11 files changed, 16619 insertions, 156 deletions
diff --git a/pkg/abi/BUILD b/pkg/abi/BUILD
deleted file mode 100644
index 839f822eb..000000000
--- a/pkg/abi/BUILD
+++ /dev/null
@@ -1,13 +0,0 @@
-load("//tools:defs.bzl", "go_library")
-
-package(licenses = ["notice"])
-
-go_library(
-    name = "abi",
-    srcs = [
-        "abi.go",
-        "abi_linux.go",
-        "flag.go",
-    ],
-    visibility = ["//:sandbox"],
-)
diff --git a/pkg/abi/abi_linux_state_autogen.go b/pkg/abi/abi_linux_state_autogen.go
new file mode 100644
index 000000000..327ef0e5c
--- /dev/null
+++ b/pkg/abi/abi_linux_state_autogen.go
@@ -0,0 +1,5 @@
+// automatically generated by stateify.
+
+// +build linux
+
+package abi
diff --git a/pkg/abi/abi_state_autogen.go b/pkg/abi/abi_state_autogen.go
new file mode 100644
index 000000000..d54002c3b
--- /dev/null
+++ b/pkg/abi/abi_state_autogen.go
@@ -0,0 +1,3 @@
+// automatically generated by stateify.
+
+package abi
diff --git a/pkg/abi/linux/BUILD b/pkg/abi/linux/BUILD
deleted file mode 100644
index 38288bdb7..000000000
--- a/pkg/abi/linux/BUILD
+++ /dev/null
@@ -1,95 +0,0 @@
-load("//tools:defs.bzl", "go_library", "go_test")
-
-# Package linux contains the constants and types needed to interface with a
-# Linux kernel. It should be used instead of syscall or golang.org/x/sys/unix
-# when the host OS may not be Linux.
-
-package(licenses = ["notice"])
-
-go_library(
-    name = "linux",
-    srcs = [
-        "aio.go",
-        "arch_amd64.go",
-        "audit.go",
-        "bpf.go",
-        "capability.go",
-        "clone.go",
-        "context.go",
-        "dev.go",
-        "elf.go",
-        "epoll.go",
-        "epoll_amd64.go",
-        "epoll_arm64.go",
-        "errors.go",
-        "errqueue.go",
-        "eventfd.go",
-        "exec.go",
-        "fadvise.go",
-        "fcntl.go",
-        "file.go",
-        "file_amd64.go",
-        "file_arm64.go",
-        "fs.go",
-        "fuse.go",
-        "futex.go",
-        "inotify.go",
-        "ioctl.go",
-        "ioctl_tun.go",
-        "ip.go",
-        "ipc.go",
-        "limits.go",
-        "linux.go",
-        "membarrier.go",
-        "mm.go",
-        "netdevice.go",
-        "netfilter.go",
-        "netfilter_ipv6.go",
-        "netlink.go",
-        "netlink_route.go",
-        "poll.go",
-        "prctl.go",
-        "ptrace.go",
-        "ptrace_amd64.go",
-        "ptrace_arm64.go",
-        "rseq.go",
-        "rusage.go",
-        "sched.go",
-        "seccomp.go",
-        "sem.go",
-        "sem_amd64.go",
-        "sem_arm64.go",
-        "shm.go",
-        "signal.go",
-        "signalfd.go",
-        "socket.go",
-        "splice.go",
-        "tcp.go",
-        "time.go",
-        "timer.go",
-        "tty.go",
-        "uio.go",
-        "utsname.go",
-        "wait.go",
-        "xattr.go",
-    ],
-    marshal = True,
-    visibility = ["//visibility:public"],
-    deps = [
-        "//pkg/abi",
-        "//pkg/bits",
-        "//pkg/context",
-        "//pkg/hostarch",
-        "//pkg/marshal",
-        "//pkg/marshal/primitive",
-    ],
-)
-
-go_test(
-    name = "linux_test",
-    size = "small",
-    srcs = [
-        "netfilter_test.go",
-    ],
-    library = ":linux",
-)
diff --git a/pkg/abi/linux/linux_abi_autogen_unsafe.go b/pkg/abi/linux/linux_abi_autogen_unsafe.go
new file mode 100644
index 000000000..7e4c3730e
--- /dev/null
+++ b/pkg/abi/linux/linux_abi_autogen_unsafe.go
@@ -0,0 +1,14792 @@
+// Automatically generated marshal implementation. See tools/go_marshal.
+
+// If there are issues with build tag aggregation, see
+// tools/go_marshal/gomarshal/generator.go:writeHeader(). The build tags here
+// come from the input set of files used to generate this file. This input set
+// is filtered based on pre-defined file suffixes related to build tags, see 
+// tools/defs.bzl:calculate_sets().
+
+package linux
+
+import (
+    "gvisor.dev/gvisor/pkg/gohacks"
+    "gvisor.dev/gvisor/pkg/hostarch"
+    "gvisor.dev/gvisor/pkg/marshal"
+    "io"
+    "reflect"
+    "runtime"
+    "unsafe"
+)
+
+// Marshallable types used by this file.
+var _ marshal.Marshallable = (*BPFInstruction)(nil)
+var _ marshal.Marshallable = (*CapUserData)(nil)
+var _ marshal.Marshallable = (*CapUserHeader)(nil)
+var _ marshal.Marshallable = (*ClockT)(nil)
+var _ marshal.Marshallable = (*ControlMessageCredentials)(nil)
+var _ marshal.Marshallable = (*ControlMessageHeader)(nil)
+var _ marshal.Marshallable = (*ControlMessageIPPacketInfo)(nil)
+var _ marshal.Marshallable = (*DigestMetadata)(nil)
+var _ marshal.Marshallable = (*ElfHeader64)(nil)
+var _ marshal.Marshallable = (*ElfProg64)(nil)
+var _ marshal.Marshallable = (*ElfSection64)(nil)
+var _ marshal.Marshallable = (*ErrorName)(nil)
+var _ marshal.Marshallable = (*ExtensionName)(nil)
+var _ marshal.Marshallable = (*FOwnerEx)(nil)
+var _ marshal.Marshallable = (*FUSEAttr)(nil)
+var _ marshal.Marshallable = (*FUSECreateMeta)(nil)
+var _ marshal.Marshallable = (*FUSEDirentMeta)(nil)
+var _ marshal.Marshallable = (*FUSEEntryOut)(nil)
+var _ marshal.Marshallable = (*FUSEGetAttrIn)(nil)
+var _ marshal.Marshallable = (*FUSEGetAttrOut)(nil)
+var _ marshal.Marshallable = (*FUSEHeaderIn)(nil)
+var _ marshal.Marshallable = (*FUSEHeaderOut)(nil)
+var _ marshal.Marshallable = (*FUSEInitIn)(nil)
+var _ marshal.Marshallable = (*FUSEInitOut)(nil)
+var _ marshal.Marshallable = (*FUSEMkdirMeta)(nil)
+var _ marshal.Marshallable = (*FUSEMknodMeta)(nil)
+var _ marshal.Marshallable = (*FUSEOpID)(nil)
+var _ marshal.Marshallable = (*FUSEOpcode)(nil)
+var _ marshal.Marshallable = (*FUSEOpenIn)(nil)
+var _ marshal.Marshallable = (*FUSEOpenOut)(nil)
+var _ marshal.Marshallable = (*FUSEReadIn)(nil)
+var _ marshal.Marshallable = (*FUSEReleaseIn)(nil)
+var _ marshal.Marshallable = (*FUSESetAttrIn)(nil)
+var _ marshal.Marshallable = (*FUSEWriteIn)(nil)
+var _ marshal.Marshallable = (*FUSEWriteOut)(nil)
+var _ marshal.Marshallable = (*Flock)(nil)
+var _ marshal.Marshallable = (*IFConf)(nil)
+var _ marshal.Marshallable = (*IFReq)(nil)
+var _ marshal.Marshallable = (*IOCallback)(nil)
+var _ marshal.Marshallable = (*IOEvent)(nil)
+var _ marshal.Marshallable = (*IP6TEntry)(nil)
+var _ marshal.Marshallable = (*IP6TIP)(nil)
+var _ marshal.Marshallable = (*IP6TReplace)(nil)
+var _ marshal.Marshallable = (*IPCPerm)(nil)
+var _ marshal.Marshallable = (*IPTEntry)(nil)
+var _ marshal.Marshallable = (*IPTGetEntries)(nil)
+var _ marshal.Marshallable = (*IPTGetinfo)(nil)
+var _ marshal.Marshallable = (*IPTIP)(nil)
+var _ marshal.Marshallable = (*IPTOwnerInfo)(nil)
+var _ marshal.Marshallable = (*IPTReplace)(nil)
+var _ marshal.Marshallable = (*Inet6Addr)(nil)
+var _ marshal.Marshallable = (*Inet6MulticastRequest)(nil)
+var _ marshal.Marshallable = (*InetAddr)(nil)
+var _ marshal.Marshallable = (*InetMulticastRequest)(nil)
+var _ marshal.Marshallable = (*InetMulticastRequestWithNIC)(nil)
+var _ marshal.Marshallable = (*InterfaceAddrMessage)(nil)
+var _ marshal.Marshallable = (*InterfaceInfoMessage)(nil)
+var _ marshal.Marshallable = (*ItimerVal)(nil)
+var _ marshal.Marshallable = (*Itimerspec)(nil)
+var _ marshal.Marshallable = (*KernelIP6TEntry)(nil)
+var _ marshal.Marshallable = (*KernelIP6TGetEntries)(nil)
+var _ marshal.Marshallable = (*KernelIPTEntry)(nil)
+var _ marshal.Marshallable = (*KernelIPTGetEntries)(nil)
+var _ marshal.Marshallable = (*Linger)(nil)
+var _ marshal.Marshallable = (*NFNATRange)(nil)
+var _ marshal.Marshallable = (*NetlinkAttrHeader)(nil)
+var _ marshal.Marshallable = (*NetlinkErrorMessage)(nil)
+var _ marshal.Marshallable = (*NetlinkMessageHeader)(nil)
+var _ marshal.Marshallable = (*NfNATIPV4MultiRangeCompat)(nil)
+var _ marshal.Marshallable = (*NfNATIPV4Range)(nil)
+var _ marshal.Marshallable = (*NumaPolicy)(nil)
+var _ marshal.Marshallable = (*PollFD)(nil)
+var _ marshal.Marshallable = (*RSeqCriticalSection)(nil)
+var _ marshal.Marshallable = (*RobustListHead)(nil)
+var _ marshal.Marshallable = (*RouteMessage)(nil)
+var _ marshal.Marshallable = (*Rusage)(nil)
+var _ marshal.Marshallable = (*SeccompData)(nil)
+var _ marshal.Marshallable = (*SemInfo)(nil)
+var _ marshal.Marshallable = (*Sembuf)(nil)
+var _ marshal.Marshallable = (*ShmInfo)(nil)
+var _ marshal.Marshallable = (*ShmParams)(nil)
+var _ marshal.Marshallable = (*ShmidDS)(nil)
+var _ marshal.Marshallable = (*SigAction)(nil)
+var _ marshal.Marshallable = (*Sigevent)(nil)
+var _ marshal.Marshallable = (*SignalSet)(nil)
+var _ marshal.Marshallable = (*SignalStack)(nil)
+var _ marshal.Marshallable = (*SignalfdSiginfo)(nil)
+var _ marshal.Marshallable = (*SockAddrInet)(nil)
+var _ marshal.Marshallable = (*SockAddrInet6)(nil)
+var _ marshal.Marshallable = (*SockAddrLink)(nil)
+var _ marshal.Marshallable = (*SockAddrNetlink)(nil)
+var _ marshal.Marshallable = (*SockAddrUnix)(nil)
+var _ marshal.Marshallable = (*SockErrCMsgIPv4)(nil)
+var _ marshal.Marshallable = (*SockErrCMsgIPv6)(nil)
+var _ marshal.Marshallable = (*SockExtendedErr)(nil)
+var _ marshal.Marshallable = (*Statfs)(nil)
+var _ marshal.Marshallable = (*Statx)(nil)
+var _ marshal.Marshallable = (*StatxTimestamp)(nil)
+var _ marshal.Marshallable = (*Sysinfo)(nil)
+var _ marshal.Marshallable = (*TCPInfo)(nil)
+var _ marshal.Marshallable = (*TableName)(nil)
+var _ marshal.Marshallable = (*Termios)(nil)
+var _ marshal.Marshallable = (*TimeT)(nil)
+var _ marshal.Marshallable = (*TimerID)(nil)
+var _ marshal.Marshallable = (*Timespec)(nil)
+var _ marshal.Marshallable = (*Timeval)(nil)
+var _ marshal.Marshallable = (*Tms)(nil)
+var _ marshal.Marshallable = (*Utime)(nil)
+var _ marshal.Marshallable = (*UtsName)(nil)
+var _ marshal.Marshallable = (*WindowSize)(nil)
+var _ marshal.Marshallable = (*Winsize)(nil)
+var _ marshal.Marshallable = (*XTCounters)(nil)
+var _ marshal.Marshallable = (*XTEntryMatch)(nil)
+var _ marshal.Marshallable = (*XTEntryTarget)(nil)
+var _ marshal.Marshallable = (*XTErrorTarget)(nil)
+var _ marshal.Marshallable = (*XTGetRevision)(nil)
+var _ marshal.Marshallable = (*XTRedirectTarget)(nil)
+var _ marshal.Marshallable = (*XTSNATTarget)(nil)
+var _ marshal.Marshallable = (*XTStandardTarget)(nil)
+var _ marshal.Marshallable = (*XTTCP)(nil)
+var _ marshal.Marshallable = (*XTUDP)(nil)
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (i *IOCallback) SizeBytes() int {
+    return 64
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (i *IOCallback) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(i.Data))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.Key))
+    dst = dst[4:]
+    // Padding: dst[:sizeof(uint32)] ~= uint32(0)
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(i.OpCode))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(i.ReqPrio))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.FD))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(i.Buf))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(i.Bytes))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(i.Offset))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(i.Reserved2))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.Flags))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.ResFD))
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (i *IOCallback) UnmarshalBytes(src []byte) {
+    i.Data = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    i.Key = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    // Padding: var _ uint32 ~= src[:sizeof(uint32)]
+    src = src[4:]
+    i.OpCode = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    i.ReqPrio = int16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    i.FD = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    i.Buf = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    i.Bytes = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    i.Offset = int64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    i.Reserved2 = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    i.Flags = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    i.ResFD = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (i *IOCallback) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (i *IOCallback) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(i),  uintptr(i.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (i *IOCallback) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(i), unsafe.Pointer(&src[0]), uintptr(i.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (i *IOCallback) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (i *IOCallback) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return i.CopyOutN(cc, addr, i.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (i *IOCallback) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (i *IOCallback) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (i *IOEvent) SizeBytes() int {
+    return 32
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (i *IOEvent) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(i.Data))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(i.Obj))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(i.Result))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(i.Result2))
+    dst = dst[8:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (i *IOEvent) UnmarshalBytes(src []byte) {
+    i.Data = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    i.Obj = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    i.Result = int64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    i.Result2 = int64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (i *IOEvent) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (i *IOEvent) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(i),  uintptr(i.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (i *IOEvent) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(i), unsafe.Pointer(&src[0]), uintptr(i.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (i *IOEvent) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (i *IOEvent) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return i.CopyOutN(cc, addr, i.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (i *IOEvent) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (i *IOEvent) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (b *BPFInstruction) SizeBytes() int {
+    return 8
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (b *BPFInstruction) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(b.OpCode))
+    dst = dst[2:]
+    dst[0] = byte(b.JumpIfTrue)
+    dst = dst[1:]
+    dst[0] = byte(b.JumpIfFalse)
+    dst = dst[1:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(b.K))
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (b *BPFInstruction) UnmarshalBytes(src []byte) {
+    b.OpCode = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    b.JumpIfTrue = uint8(src[0])
+    src = src[1:]
+    b.JumpIfFalse = uint8(src[0])
+    src = src[1:]
+    b.K = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (b *BPFInstruction) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (b *BPFInstruction) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(b),  uintptr(b.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (b *BPFInstruction) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(b), unsafe.Pointer(&src[0]), uintptr(b.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (b *BPFInstruction) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(b)))
+    hdr.Len = b.SizeBytes()
+    hdr.Cap = b.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that b
+    // must live until the use above.
+    runtime.KeepAlive(b) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (b *BPFInstruction) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return b.CopyOutN(cc, addr, b.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (b *BPFInstruction) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(b)))
+    hdr.Len = b.SizeBytes()
+    hdr.Cap = b.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that b
+    // must live until the use above.
+    runtime.KeepAlive(b) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (b *BPFInstruction) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(b)))
+    hdr.Len = b.SizeBytes()
+    hdr.Cap = b.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that b
+    // must live until the use above.
+    runtime.KeepAlive(b) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// CopyBPFInstructionSliceIn copies in a slice of BPFInstruction objects from the task's memory.
+func CopyBPFInstructionSliceIn(cc marshal.CopyContext, addr hostarch.Addr, dst []BPFInstruction) (int, error) {
+    count := len(dst)
+    if count == 0 {
+        return 0, nil
+    }
+    size := (*BPFInstruction)(nil).SizeBytes()
+
+    ptr := unsafe.Pointer(&dst)
+    val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data))
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(val)
+    hdr.Len = size * count
+    hdr.Cap = size * count
+
+    length, err := cc.CopyInBytes(addr, buf)
+    // Since we bypassed the compiler's escape analysis, indicate that dst
+    // must live until the use above.
+    runtime.KeepAlive(dst) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyBPFInstructionSliceOut copies a slice of BPFInstruction objects to the task's memory.
+func CopyBPFInstructionSliceOut(cc marshal.CopyContext, addr hostarch.Addr, src []BPFInstruction) (int, error) {
+    count := len(src)
+    if count == 0 {
+        return 0, nil
+    }
+    size := (*BPFInstruction)(nil).SizeBytes()
+
+    ptr := unsafe.Pointer(&src)
+    val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data))
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(val)
+    hdr.Len = size * count
+    hdr.Cap = size * count
+
+    length, err := cc.CopyOutBytes(addr, buf)
+    // Since we bypassed the compiler's escape analysis, indicate that src
+    // must live until the use above.
+    runtime.KeepAlive(src) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// MarshalUnsafeBPFInstructionSlice is like BPFInstruction.MarshalUnsafe, but for a []BPFInstruction.
+func MarshalUnsafeBPFInstructionSlice(src []BPFInstruction, dst []byte) (int, error) {
+    count := len(src)
+    if count == 0 {
+        return 0, nil
+    }
+    size := (*BPFInstruction)(nil).SizeBytes()
+
+    dst = dst[:size*count]
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&src[0]), uintptr(len(dst)))
+    return size * count, nil
+}
+
+// UnmarshalUnsafeBPFInstructionSlice is like BPFInstruction.UnmarshalUnsafe, but for a []BPFInstruction.
+func UnmarshalUnsafeBPFInstructionSlice(dst []BPFInstruction, src []byte) (int, error) {
+    count := len(dst)
+    if count == 0 {
+        return 0, nil
+    }
+    size := (*BPFInstruction)(nil).SizeBytes()
+
+    src = src[:(size*count)]
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&src[0]), uintptr(len(src)))
+    return count*size, nil
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (c *CapUserData) SizeBytes() int {
+    return 12
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (c *CapUserData) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(c.Effective))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(c.Permitted))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(c.Inheritable))
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (c *CapUserData) UnmarshalBytes(src []byte) {
+    c.Effective = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    c.Permitted = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    c.Inheritable = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (c *CapUserData) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (c *CapUserData) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(c),  uintptr(c.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (c *CapUserData) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(c), unsafe.Pointer(&src[0]), uintptr(c.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (c *CapUserData) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(c)))
+    hdr.Len = c.SizeBytes()
+    hdr.Cap = c.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that c
+    // must live until the use above.
+    runtime.KeepAlive(c) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (c *CapUserData) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return c.CopyOutN(cc, addr, c.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (c *CapUserData) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(c)))
+    hdr.Len = c.SizeBytes()
+    hdr.Cap = c.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that c
+    // must live until the use above.
+    runtime.KeepAlive(c) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (c *CapUserData) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(c)))
+    hdr.Len = c.SizeBytes()
+    hdr.Cap = c.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that c
+    // must live until the use above.
+    runtime.KeepAlive(c) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// CopyCapUserDataSliceIn copies in a slice of CapUserData objects from the task's memory.
+func CopyCapUserDataSliceIn(cc marshal.CopyContext, addr hostarch.Addr, dst []CapUserData) (int, error) {
+    count := len(dst)
+    if count == 0 {
+        return 0, nil
+    }
+    size := (*CapUserData)(nil).SizeBytes()
+
+    ptr := unsafe.Pointer(&dst)
+    val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data))
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(val)
+    hdr.Len = size * count
+    hdr.Cap = size * count
+
+    length, err := cc.CopyInBytes(addr, buf)
+    // Since we bypassed the compiler's escape analysis, indicate that dst
+    // must live until the use above.
+    runtime.KeepAlive(dst) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyCapUserDataSliceOut copies a slice of CapUserData objects to the task's memory.
+func CopyCapUserDataSliceOut(cc marshal.CopyContext, addr hostarch.Addr, src []CapUserData) (int, error) {
+    count := len(src)
+    if count == 0 {
+        return 0, nil
+    }
+    size := (*CapUserData)(nil).SizeBytes()
+
+    ptr := unsafe.Pointer(&src)
+    val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data))
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(val)
+    hdr.Len = size * count
+    hdr.Cap = size * count
+
+    length, err := cc.CopyOutBytes(addr, buf)
+    // Since we bypassed the compiler's escape analysis, indicate that src
+    // must live until the use above.
+    runtime.KeepAlive(src) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// MarshalUnsafeCapUserDataSlice is like CapUserData.MarshalUnsafe, but for a []CapUserData.
+func MarshalUnsafeCapUserDataSlice(src []CapUserData, dst []byte) (int, error) {
+    count := len(src)
+    if count == 0 {
+        return 0, nil
+    }
+    size := (*CapUserData)(nil).SizeBytes()
+
+    dst = dst[:size*count]
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&src[0]), uintptr(len(dst)))
+    return size * count, nil
+}
+
+// UnmarshalUnsafeCapUserDataSlice is like CapUserData.UnmarshalUnsafe, but for a []CapUserData.
+func UnmarshalUnsafeCapUserDataSlice(dst []CapUserData, src []byte) (int, error) {
+    count := len(dst)
+    if count == 0 {
+        return 0, nil
+    }
+    size := (*CapUserData)(nil).SizeBytes()
+
+    src = src[:(size*count)]
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&src[0]), uintptr(len(src)))
+    return count*size, nil
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (c *CapUserHeader) SizeBytes() int {
+    return 8
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (c *CapUserHeader) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(c.Version))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(c.Pid))
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (c *CapUserHeader) UnmarshalBytes(src []byte) {
+    c.Version = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    c.Pid = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (c *CapUserHeader) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (c *CapUserHeader) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(c),  uintptr(c.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (c *CapUserHeader) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(c), unsafe.Pointer(&src[0]), uintptr(c.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (c *CapUserHeader) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(c)))
+    hdr.Len = c.SizeBytes()
+    hdr.Cap = c.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that c
+    // must live until the use above.
+    runtime.KeepAlive(c) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (c *CapUserHeader) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return c.CopyOutN(cc, addr, c.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (c *CapUserHeader) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(c)))
+    hdr.Len = c.SizeBytes()
+    hdr.Cap = c.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that c
+    // must live until the use above.
+    runtime.KeepAlive(c) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (c *CapUserHeader) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(c)))
+    hdr.Len = c.SizeBytes()
+    hdr.Cap = c.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that c
+    // must live until the use above.
+    runtime.KeepAlive(c) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (e *ElfHeader64) SizeBytes() int {
+    return 48 +
+        1*16
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (e *ElfHeader64) MarshalBytes(dst []byte) {
+    for idx := 0; idx < 16; idx++ {
+        dst[0] = byte(e.Ident[idx])
+        dst = dst[1:]
+    }
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(e.Type))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(e.Machine))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(e.Version))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(e.Entry))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(e.Phoff))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(e.Shoff))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(e.Flags))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(e.Ehsize))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(e.Phentsize))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(e.Phnum))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(e.Shentsize))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(e.Shnum))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(e.Shstrndx))
+    dst = dst[2:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (e *ElfHeader64) UnmarshalBytes(src []byte) {
+    for idx := 0; idx < 16; idx++ {
+        e.Ident[idx] = src[0]
+        src = src[1:]
+    }
+    e.Type = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    e.Machine = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    e.Version = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    e.Entry = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    e.Phoff = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    e.Shoff = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    e.Flags = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    e.Ehsize = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    e.Phentsize = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    e.Phnum = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    e.Shentsize = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    e.Shnum = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    e.Shstrndx = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (e *ElfHeader64) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (e *ElfHeader64) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(e),  uintptr(e.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (e *ElfHeader64) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(e), unsafe.Pointer(&src[0]), uintptr(e.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (e *ElfHeader64) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(e)))
+    hdr.Len = e.SizeBytes()
+    hdr.Cap = e.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that e
+    // must live until the use above.
+    runtime.KeepAlive(e) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (e *ElfHeader64) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return e.CopyOutN(cc, addr, e.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (e *ElfHeader64) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(e)))
+    hdr.Len = e.SizeBytes()
+    hdr.Cap = e.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that e
+    // must live until the use above.
+    runtime.KeepAlive(e) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (e *ElfHeader64) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(e)))
+    hdr.Len = e.SizeBytes()
+    hdr.Cap = e.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that e
+    // must live until the use above.
+    runtime.KeepAlive(e) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (e *ElfProg64) SizeBytes() int {
+    return 56
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (e *ElfProg64) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(e.Type))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(e.Flags))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(e.Off))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(e.Vaddr))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(e.Paddr))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(e.Filesz))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(e.Memsz))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(e.Align))
+    dst = dst[8:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (e *ElfProg64) UnmarshalBytes(src []byte) {
+    e.Type = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    e.Flags = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    e.Off = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    e.Vaddr = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    e.Paddr = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    e.Filesz = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    e.Memsz = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    e.Align = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (e *ElfProg64) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (e *ElfProg64) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(e),  uintptr(e.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (e *ElfProg64) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(e), unsafe.Pointer(&src[0]), uintptr(e.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (e *ElfProg64) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(e)))
+    hdr.Len = e.SizeBytes()
+    hdr.Cap = e.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that e
+    // must live until the use above.
+    runtime.KeepAlive(e) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (e *ElfProg64) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return e.CopyOutN(cc, addr, e.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (e *ElfProg64) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(e)))
+    hdr.Len = e.SizeBytes()
+    hdr.Cap = e.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that e
+    // must live until the use above.
+    runtime.KeepAlive(e) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (e *ElfProg64) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(e)))
+    hdr.Len = e.SizeBytes()
+    hdr.Cap = e.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that e
+    // must live until the use above.
+    runtime.KeepAlive(e) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (e *ElfSection64) SizeBytes() int {
+    return 64
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (e *ElfSection64) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(e.Name))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(e.Type))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(e.Flags))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(e.Addr))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(e.Off))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(e.Size))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(e.Link))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(e.Info))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(e.Addralign))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(e.Entsize))
+    dst = dst[8:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (e *ElfSection64) UnmarshalBytes(src []byte) {
+    e.Name = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    e.Type = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    e.Flags = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    e.Addr = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    e.Off = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    e.Size = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    e.Link = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    e.Info = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    e.Addralign = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    e.Entsize = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (e *ElfSection64) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (e *ElfSection64) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(e),  uintptr(e.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (e *ElfSection64) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(e), unsafe.Pointer(&src[0]), uintptr(e.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (e *ElfSection64) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(e)))
+    hdr.Len = e.SizeBytes()
+    hdr.Cap = e.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that e
+    // must live until the use above.
+    runtime.KeepAlive(e) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (e *ElfSection64) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return e.CopyOutN(cc, addr, e.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (e *ElfSection64) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(e)))
+    hdr.Len = e.SizeBytes()
+    hdr.Cap = e.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that e
+    // must live until the use above.
+    runtime.KeepAlive(e) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (e *ElfSection64) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(e)))
+    hdr.Len = e.SizeBytes()
+    hdr.Cap = e.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that e
+    // must live until the use above.
+    runtime.KeepAlive(e) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (s *SockErrCMsgIPv4) SizeBytes() int {
+    return 0 +
+        (*SockExtendedErr)(nil).SizeBytes() +
+        (*SockAddrInet)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (s *SockErrCMsgIPv4) MarshalBytes(dst []byte) {
+    s.SockExtendedErr.MarshalBytes(dst[:s.SockExtendedErr.SizeBytes()])
+    dst = dst[s.SockExtendedErr.SizeBytes():]
+    s.Offender.MarshalBytes(dst[:s.Offender.SizeBytes()])
+    dst = dst[s.Offender.SizeBytes():]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (s *SockErrCMsgIPv4) UnmarshalBytes(src []byte) {
+    s.SockExtendedErr.UnmarshalBytes(src[:s.SockExtendedErr.SizeBytes()])
+    src = src[s.SockExtendedErr.SizeBytes():]
+    s.Offender.UnmarshalBytes(src[:s.Offender.SizeBytes()])
+    src = src[s.Offender.SizeBytes():]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (s *SockErrCMsgIPv4) Packed() bool {
+    return s.Offender.Packed() && s.SockExtendedErr.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (s *SockErrCMsgIPv4) MarshalUnsafe(dst []byte) {
+    if s.Offender.Packed() && s.SockExtendedErr.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(s),  uintptr(s.SizeBytes()))
+    } else {
+        // Type SockErrCMsgIPv4 doesn't have a packed layout in memory, fallback to MarshalBytes.
+        s.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (s *SockErrCMsgIPv4) UnmarshalUnsafe(src []byte) {
+    if s.Offender.Packed() && s.SockExtendedErr.Packed() {
+        gohacks.Memmove(unsafe.Pointer(s), unsafe.Pointer(&src[0]), uintptr(s.SizeBytes()))
+    } else {
+        // Type SockErrCMsgIPv4 doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        s.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (s *SockErrCMsgIPv4) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !s.Offender.Packed() && s.SockExtendedErr.Packed() {
+        // Type SockErrCMsgIPv4 doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
+        s.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (s *SockErrCMsgIPv4) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return s.CopyOutN(cc, addr, s.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (s *SockErrCMsgIPv4) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !s.Offender.Packed() && s.SockExtendedErr.Packed() {
+        // Type SockErrCMsgIPv4 doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        s.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (s *SockErrCMsgIPv4) WriteTo(writer io.Writer) (int64, error) {
+    if !s.Offender.Packed() && s.SockExtendedErr.Packed() {
+        // Type SockErrCMsgIPv4 doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, s.SizeBytes())
+        s.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (s *SockErrCMsgIPv6) SizeBytes() int {
+    return 0 +
+        (*SockExtendedErr)(nil).SizeBytes() +
+        (*SockAddrInet6)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (s *SockErrCMsgIPv6) MarshalBytes(dst []byte) {
+    s.SockExtendedErr.MarshalBytes(dst[:s.SockExtendedErr.SizeBytes()])
+    dst = dst[s.SockExtendedErr.SizeBytes():]
+    s.Offender.MarshalBytes(dst[:s.Offender.SizeBytes()])
+    dst = dst[s.Offender.SizeBytes():]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (s *SockErrCMsgIPv6) UnmarshalBytes(src []byte) {
+    s.SockExtendedErr.UnmarshalBytes(src[:s.SockExtendedErr.SizeBytes()])
+    src = src[s.SockExtendedErr.SizeBytes():]
+    s.Offender.UnmarshalBytes(src[:s.Offender.SizeBytes()])
+    src = src[s.Offender.SizeBytes():]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (s *SockErrCMsgIPv6) Packed() bool {
+    return s.Offender.Packed() && s.SockExtendedErr.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (s *SockErrCMsgIPv6) MarshalUnsafe(dst []byte) {
+    if s.Offender.Packed() && s.SockExtendedErr.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(s),  uintptr(s.SizeBytes()))
+    } else {
+        // Type SockErrCMsgIPv6 doesn't have a packed layout in memory, fallback to MarshalBytes.
+        s.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (s *SockErrCMsgIPv6) UnmarshalUnsafe(src []byte) {
+    if s.Offender.Packed() && s.SockExtendedErr.Packed() {
+        gohacks.Memmove(unsafe.Pointer(s), unsafe.Pointer(&src[0]), uintptr(s.SizeBytes()))
+    } else {
+        // Type SockErrCMsgIPv6 doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        s.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (s *SockErrCMsgIPv6) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !s.Offender.Packed() && s.SockExtendedErr.Packed() {
+        // Type SockErrCMsgIPv6 doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
+        s.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (s *SockErrCMsgIPv6) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return s.CopyOutN(cc, addr, s.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (s *SockErrCMsgIPv6) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !s.Offender.Packed() && s.SockExtendedErr.Packed() {
+        // Type SockErrCMsgIPv6 doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        s.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (s *SockErrCMsgIPv6) WriteTo(writer io.Writer) (int64, error) {
+    if !s.Offender.Packed() && s.SockExtendedErr.Packed() {
+        // Type SockErrCMsgIPv6 doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, s.SizeBytes())
+        s.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (s *SockExtendedErr) SizeBytes() int {
+    return 16
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (s *SockExtendedErr) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.Errno))
+    dst = dst[4:]
+    dst[0] = byte(s.Origin)
+    dst = dst[1:]
+    dst[0] = byte(s.Type)
+    dst = dst[1:]
+    dst[0] = byte(s.Code)
+    dst = dst[1:]
+    dst[0] = byte(s.Pad)
+    dst = dst[1:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.Info))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.Data))
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (s *SockExtendedErr) UnmarshalBytes(src []byte) {
+    s.Errno = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.Origin = uint8(src[0])
+    src = src[1:]
+    s.Type = uint8(src[0])
+    src = src[1:]
+    s.Code = uint8(src[0])
+    src = src[1:]
+    s.Pad = uint8(src[0])
+    src = src[1:]
+    s.Info = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.Data = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (s *SockExtendedErr) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (s *SockExtendedErr) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(s),  uintptr(s.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (s *SockExtendedErr) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(s), unsafe.Pointer(&src[0]), uintptr(s.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (s *SockExtendedErr) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (s *SockExtendedErr) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return s.CopyOutN(cc, addr, s.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (s *SockExtendedErr) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (s *SockExtendedErr) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (f *FOwnerEx) SizeBytes() int {
+    return 8
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (f *FOwnerEx) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.Type))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.PID))
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (f *FOwnerEx) UnmarshalBytes(src []byte) {
+    f.Type = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.PID = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (f *FOwnerEx) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (f *FOwnerEx) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(f),  uintptr(f.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (f *FOwnerEx) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(f), unsafe.Pointer(&src[0]), uintptr(f.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (f *FOwnerEx) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (f *FOwnerEx) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return f.CopyOutN(cc, addr, f.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (f *FOwnerEx) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (f *FOwnerEx) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (f *Flock) SizeBytes() int {
+    return 24 +
+        1*4 +
+        1*4
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (f *Flock) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(f.Type))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(f.Whence))
+    dst = dst[2:]
+    // Padding: dst[:sizeof(byte)*4] ~= [4]byte{0}
+    dst = dst[1*(4):]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(f.Start))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(f.Len))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.PID))
+    dst = dst[4:]
+    // Padding: dst[:sizeof(byte)*4] ~= [4]byte{0}
+    dst = dst[1*(4):]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (f *Flock) UnmarshalBytes(src []byte) {
+    f.Type = int16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    f.Whence = int16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    // Padding: ~ copy([4]byte(f._), src[:sizeof(byte)*4])
+    src = src[1*(4):]
+    f.Start = int64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    f.Len = int64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    f.PID = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    // Padding: ~ copy([4]byte(f._), src[:sizeof(byte)*4])
+    src = src[1*(4):]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (f *Flock) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (f *Flock) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(f),  uintptr(f.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (f *Flock) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(f), unsafe.Pointer(&src[0]), uintptr(f.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (f *Flock) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (f *Flock) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return f.CopyOutN(cc, addr, f.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (f *Flock) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (f *Flock) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (s *Statx) SizeBytes() int {
+    return 80 +
+        (*StatxTimestamp)(nil).SizeBytes() +
+        (*StatxTimestamp)(nil).SizeBytes() +
+        (*StatxTimestamp)(nil).SizeBytes() +
+        (*StatxTimestamp)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (s *Statx) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.Mask))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.Blksize))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.Attributes))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.Nlink))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.UID))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.GID))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(s.Mode))
+    dst = dst[2:]
+    // Padding: dst[:sizeof(uint16)] ~= uint16(0)
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.Ino))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.Size))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.Blocks))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.AttributesMask))
+    dst = dst[8:]
+    s.Atime.MarshalBytes(dst[:s.Atime.SizeBytes()])
+    dst = dst[s.Atime.SizeBytes():]
+    s.Btime.MarshalBytes(dst[:s.Btime.SizeBytes()])
+    dst = dst[s.Btime.SizeBytes():]
+    s.Ctime.MarshalBytes(dst[:s.Ctime.SizeBytes()])
+    dst = dst[s.Ctime.SizeBytes():]
+    s.Mtime.MarshalBytes(dst[:s.Mtime.SizeBytes()])
+    dst = dst[s.Mtime.SizeBytes():]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.RdevMajor))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.RdevMinor))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.DevMajor))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.DevMinor))
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (s *Statx) UnmarshalBytes(src []byte) {
+    s.Mask = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.Blksize = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.Attributes = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.Nlink = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.UID = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.GID = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.Mode = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    // Padding: var _ uint16 ~= src[:sizeof(uint16)]
+    src = src[2:]
+    s.Ino = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.Size = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.Blocks = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.AttributesMask = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.Atime.UnmarshalBytes(src[:s.Atime.SizeBytes()])
+    src = src[s.Atime.SizeBytes():]
+    s.Btime.UnmarshalBytes(src[:s.Btime.SizeBytes()])
+    src = src[s.Btime.SizeBytes():]
+    s.Ctime.UnmarshalBytes(src[:s.Ctime.SizeBytes()])
+    src = src[s.Ctime.SizeBytes():]
+    s.Mtime.UnmarshalBytes(src[:s.Mtime.SizeBytes()])
+    src = src[s.Mtime.SizeBytes():]
+    s.RdevMajor = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.RdevMinor = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.DevMajor = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.DevMinor = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (s *Statx) Packed() bool {
+    return s.Atime.Packed() && s.Btime.Packed() && s.Ctime.Packed() && s.Mtime.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (s *Statx) MarshalUnsafe(dst []byte) {
+    if s.Atime.Packed() && s.Btime.Packed() && s.Ctime.Packed() && s.Mtime.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(s),  uintptr(s.SizeBytes()))
+    } else {
+        // Type Statx doesn't have a packed layout in memory, fallback to MarshalBytes.
+        s.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (s *Statx) UnmarshalUnsafe(src []byte) {
+    if s.Atime.Packed() && s.Btime.Packed() && s.Ctime.Packed() && s.Mtime.Packed() {
+        gohacks.Memmove(unsafe.Pointer(s), unsafe.Pointer(&src[0]), uintptr(s.SizeBytes()))
+    } else {
+        // Type Statx doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        s.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (s *Statx) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !s.Atime.Packed() && s.Btime.Packed() && s.Ctime.Packed() && s.Mtime.Packed() {
+        // Type Statx doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
+        s.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (s *Statx) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return s.CopyOutN(cc, addr, s.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (s *Statx) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !s.Atime.Packed() && s.Btime.Packed() && s.Ctime.Packed() && s.Mtime.Packed() {
+        // Type Statx doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        s.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (s *Statx) WriteTo(writer io.Writer) (int64, error) {
+    if !s.Atime.Packed() && s.Btime.Packed() && s.Ctime.Packed() && s.Mtime.Packed() {
+        // Type Statx doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, s.SizeBytes())
+        s.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (s *Statfs) SizeBytes() int {
+    return 80 +
+        4*2 +
+        8*4
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (s *Statfs) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.Type))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.BlockSize))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.Blocks))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.BlocksFree))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.BlocksAvailable))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.Files))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.FilesFree))
+    dst = dst[8:]
+    for idx := 0; idx < 2; idx++ {
+        hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.FSID[idx]))
+        dst = dst[4:]
+    }
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.NameLength))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.FragmentSize))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.Flags))
+    dst = dst[8:]
+    for idx := 0; idx < 4; idx++ {
+        hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.Spare[idx]))
+        dst = dst[8:]
+    }
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (s *Statfs) UnmarshalBytes(src []byte) {
+    s.Type = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.BlockSize = int64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.Blocks = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.BlocksFree = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.BlocksAvailable = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.Files = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.FilesFree = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    for idx := 0; idx < 2; idx++ {
+        s.FSID[idx] = int32(hostarch.ByteOrder.Uint32(src[:4]))
+        src = src[4:]
+    }
+    s.NameLength = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.FragmentSize = int64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.Flags = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    for idx := 0; idx < 4; idx++ {
+        s.Spare[idx] = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+        src = src[8:]
+    }
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (s *Statfs) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (s *Statfs) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(s),  uintptr(s.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (s *Statfs) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(s), unsafe.Pointer(&src[0]), uintptr(s.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (s *Statfs) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (s *Statfs) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return s.CopyOutN(cc, addr, s.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (s *Statfs) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (s *Statfs) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (f *FUSEAttr) SizeBytes() int {
+    return 88
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (f *FUSEAttr) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(f.Ino))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(f.Size))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(f.Blocks))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(f.Atime))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(f.Mtime))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(f.Ctime))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.AtimeNsec))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.MtimeNsec))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.CtimeNsec))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.Mode))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.Nlink))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.UID))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.GID))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.Rdev))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.BlkSize))
+    dst = dst[4:]
+    // Padding: dst[:sizeof(uint32)] ~= uint32(0)
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (f *FUSEAttr) UnmarshalBytes(src []byte) {
+    f.Ino = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    f.Size = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    f.Blocks = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    f.Atime = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    f.Mtime = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    f.Ctime = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    f.AtimeNsec = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.MtimeNsec = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.CtimeNsec = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.Mode = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.Nlink = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.UID = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.GID = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.Rdev = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.BlkSize = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    // Padding: var _ uint32 ~= src[:sizeof(uint32)]
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (f *FUSEAttr) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (f *FUSEAttr) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(f),  uintptr(f.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (f *FUSEAttr) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(f), unsafe.Pointer(&src[0]), uintptr(f.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (f *FUSEAttr) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (f *FUSEAttr) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return f.CopyOutN(cc, addr, f.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (f *FUSEAttr) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (f *FUSEAttr) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (f *FUSECreateMeta) SizeBytes() int {
+    return 16
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (f *FUSECreateMeta) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.Flags))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.Mode))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.Umask))
+    dst = dst[4:]
+    // Padding: dst[:sizeof(uint32)] ~= uint32(0)
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (f *FUSECreateMeta) UnmarshalBytes(src []byte) {
+    f.Flags = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.Mode = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.Umask = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    // Padding: var _ uint32 ~= src[:sizeof(uint32)]
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (f *FUSECreateMeta) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (f *FUSECreateMeta) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(f),  uintptr(f.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (f *FUSECreateMeta) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(f), unsafe.Pointer(&src[0]), uintptr(f.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (f *FUSECreateMeta) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (f *FUSECreateMeta) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return f.CopyOutN(cc, addr, f.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (f *FUSECreateMeta) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (f *FUSECreateMeta) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (f *FUSEDirentMeta) SizeBytes() int {
+    return 24
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (f *FUSEDirentMeta) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(f.Ino))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(f.Off))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.NameLen))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.Type))
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (f *FUSEDirentMeta) UnmarshalBytes(src []byte) {
+    f.Ino = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    f.Off = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    f.NameLen = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.Type = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (f *FUSEDirentMeta) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (f *FUSEDirentMeta) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(f),  uintptr(f.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (f *FUSEDirentMeta) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(f), unsafe.Pointer(&src[0]), uintptr(f.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (f *FUSEDirentMeta) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (f *FUSEDirentMeta) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return f.CopyOutN(cc, addr, f.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (f *FUSEDirentMeta) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (f *FUSEDirentMeta) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (f *FUSEEntryOut) SizeBytes() int {
+    return 40 +
+        (*FUSEAttr)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (f *FUSEEntryOut) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(f.NodeID))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(f.Generation))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(f.EntryValid))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(f.AttrValid))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.EntryValidNSec))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.AttrValidNSec))
+    dst = dst[4:]
+    f.Attr.MarshalBytes(dst[:f.Attr.SizeBytes()])
+    dst = dst[f.Attr.SizeBytes():]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (f *FUSEEntryOut) UnmarshalBytes(src []byte) {
+    f.NodeID = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    f.Generation = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    f.EntryValid = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    f.AttrValid = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    f.EntryValidNSec = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.AttrValidNSec = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.Attr.UnmarshalBytes(src[:f.Attr.SizeBytes()])
+    src = src[f.Attr.SizeBytes():]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (f *FUSEEntryOut) Packed() bool {
+    return f.Attr.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (f *FUSEEntryOut) MarshalUnsafe(dst []byte) {
+    if f.Attr.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(f),  uintptr(f.SizeBytes()))
+    } else {
+        // Type FUSEEntryOut doesn't have a packed layout in memory, fallback to MarshalBytes.
+        f.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (f *FUSEEntryOut) UnmarshalUnsafe(src []byte) {
+    if f.Attr.Packed() {
+        gohacks.Memmove(unsafe.Pointer(f), unsafe.Pointer(&src[0]), uintptr(f.SizeBytes()))
+    } else {
+        // Type FUSEEntryOut doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        f.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (f *FUSEEntryOut) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !f.Attr.Packed() {
+        // Type FUSEEntryOut doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(f.SizeBytes()) // escapes: okay.
+        f.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (f *FUSEEntryOut) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return f.CopyOutN(cc, addr, f.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (f *FUSEEntryOut) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !f.Attr.Packed() {
+        // Type FUSEEntryOut doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(f.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        f.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (f *FUSEEntryOut) WriteTo(writer io.Writer) (int64, error) {
+    if !f.Attr.Packed() {
+        // Type FUSEEntryOut doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, f.SizeBytes())
+        f.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (f *FUSEGetAttrIn) SizeBytes() int {
+    return 16
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (f *FUSEGetAttrIn) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.GetAttrFlags))
+    dst = dst[4:]
+    // Padding: dst[:sizeof(uint32)] ~= uint32(0)
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(f.Fh))
+    dst = dst[8:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (f *FUSEGetAttrIn) UnmarshalBytes(src []byte) {
+    f.GetAttrFlags = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    // Padding: var _ uint32 ~= src[:sizeof(uint32)]
+    src = src[4:]
+    f.Fh = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (f *FUSEGetAttrIn) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (f *FUSEGetAttrIn) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(f),  uintptr(f.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (f *FUSEGetAttrIn) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(f), unsafe.Pointer(&src[0]), uintptr(f.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (f *FUSEGetAttrIn) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (f *FUSEGetAttrIn) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return f.CopyOutN(cc, addr, f.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (f *FUSEGetAttrIn) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (f *FUSEGetAttrIn) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (f *FUSEGetAttrOut) SizeBytes() int {
+    return 16 +
+        (*FUSEAttr)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (f *FUSEGetAttrOut) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(f.AttrValid))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.AttrValidNsec))
+    dst = dst[4:]
+    // Padding: dst[:sizeof(uint32)] ~= uint32(0)
+    dst = dst[4:]
+    f.Attr.MarshalBytes(dst[:f.Attr.SizeBytes()])
+    dst = dst[f.Attr.SizeBytes():]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (f *FUSEGetAttrOut) UnmarshalBytes(src []byte) {
+    f.AttrValid = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    f.AttrValidNsec = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    // Padding: var _ uint32 ~= src[:sizeof(uint32)]
+    src = src[4:]
+    f.Attr.UnmarshalBytes(src[:f.Attr.SizeBytes()])
+    src = src[f.Attr.SizeBytes():]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (f *FUSEGetAttrOut) Packed() bool {
+    return f.Attr.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (f *FUSEGetAttrOut) MarshalUnsafe(dst []byte) {
+    if f.Attr.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(f),  uintptr(f.SizeBytes()))
+    } else {
+        // Type FUSEGetAttrOut doesn't have a packed layout in memory, fallback to MarshalBytes.
+        f.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (f *FUSEGetAttrOut) UnmarshalUnsafe(src []byte) {
+    if f.Attr.Packed() {
+        gohacks.Memmove(unsafe.Pointer(f), unsafe.Pointer(&src[0]), uintptr(f.SizeBytes()))
+    } else {
+        // Type FUSEGetAttrOut doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        f.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (f *FUSEGetAttrOut) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !f.Attr.Packed() {
+        // Type FUSEGetAttrOut doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(f.SizeBytes()) // escapes: okay.
+        f.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (f *FUSEGetAttrOut) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return f.CopyOutN(cc, addr, f.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (f *FUSEGetAttrOut) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !f.Attr.Packed() {
+        // Type FUSEGetAttrOut doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(f.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        f.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (f *FUSEGetAttrOut) WriteTo(writer io.Writer) (int64, error) {
+    if !f.Attr.Packed() {
+        // Type FUSEGetAttrOut doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, f.SizeBytes())
+        f.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (f *FUSEHeaderIn) SizeBytes() int {
+    return 28 +
+        (*FUSEOpcode)(nil).SizeBytes() +
+        (*FUSEOpID)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (f *FUSEHeaderIn) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.Len))
+    dst = dst[4:]
+    f.Opcode.MarshalBytes(dst[:f.Opcode.SizeBytes()])
+    dst = dst[f.Opcode.SizeBytes():]
+    f.Unique.MarshalBytes(dst[:f.Unique.SizeBytes()])
+    dst = dst[f.Unique.SizeBytes():]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(f.NodeID))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.UID))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.GID))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.PID))
+    dst = dst[4:]
+    // Padding: dst[:sizeof(uint32)] ~= uint32(0)
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (f *FUSEHeaderIn) UnmarshalBytes(src []byte) {
+    f.Len = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.Opcode.UnmarshalBytes(src[:f.Opcode.SizeBytes()])
+    src = src[f.Opcode.SizeBytes():]
+    f.Unique.UnmarshalBytes(src[:f.Unique.SizeBytes()])
+    src = src[f.Unique.SizeBytes():]
+    f.NodeID = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    f.UID = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.GID = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.PID = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    // Padding: var _ uint32 ~= src[:sizeof(uint32)]
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (f *FUSEHeaderIn) Packed() bool {
+    return f.Opcode.Packed() && f.Unique.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (f *FUSEHeaderIn) MarshalUnsafe(dst []byte) {
+    if f.Opcode.Packed() && f.Unique.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(f),  uintptr(f.SizeBytes()))
+    } else {
+        // Type FUSEHeaderIn doesn't have a packed layout in memory, fallback to MarshalBytes.
+        f.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (f *FUSEHeaderIn) UnmarshalUnsafe(src []byte) {
+    if f.Opcode.Packed() && f.Unique.Packed() {
+        gohacks.Memmove(unsafe.Pointer(f), unsafe.Pointer(&src[0]), uintptr(f.SizeBytes()))
+    } else {
+        // Type FUSEHeaderIn doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        f.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (f *FUSEHeaderIn) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !f.Opcode.Packed() && f.Unique.Packed() {
+        // Type FUSEHeaderIn doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(f.SizeBytes()) // escapes: okay.
+        f.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (f *FUSEHeaderIn) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return f.CopyOutN(cc, addr, f.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (f *FUSEHeaderIn) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !f.Opcode.Packed() && f.Unique.Packed() {
+        // Type FUSEHeaderIn doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(f.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        f.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (f *FUSEHeaderIn) WriteTo(writer io.Writer) (int64, error) {
+    if !f.Opcode.Packed() && f.Unique.Packed() {
+        // Type FUSEHeaderIn doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, f.SizeBytes())
+        f.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (f *FUSEHeaderOut) SizeBytes() int {
+    return 8 +
+        (*FUSEOpID)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (f *FUSEHeaderOut) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.Len))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.Error))
+    dst = dst[4:]
+    f.Unique.MarshalBytes(dst[:f.Unique.SizeBytes()])
+    dst = dst[f.Unique.SizeBytes():]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (f *FUSEHeaderOut) UnmarshalBytes(src []byte) {
+    f.Len = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.Error = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.Unique.UnmarshalBytes(src[:f.Unique.SizeBytes()])
+    src = src[f.Unique.SizeBytes():]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (f *FUSEHeaderOut) Packed() bool {
+    return f.Unique.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (f *FUSEHeaderOut) MarshalUnsafe(dst []byte) {
+    if f.Unique.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(f),  uintptr(f.SizeBytes()))
+    } else {
+        // Type FUSEHeaderOut doesn't have a packed layout in memory, fallback to MarshalBytes.
+        f.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (f *FUSEHeaderOut) UnmarshalUnsafe(src []byte) {
+    if f.Unique.Packed() {
+        gohacks.Memmove(unsafe.Pointer(f), unsafe.Pointer(&src[0]), uintptr(f.SizeBytes()))
+    } else {
+        // Type FUSEHeaderOut doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        f.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (f *FUSEHeaderOut) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !f.Unique.Packed() {
+        // Type FUSEHeaderOut doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(f.SizeBytes()) // escapes: okay.
+        f.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (f *FUSEHeaderOut) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return f.CopyOutN(cc, addr, f.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (f *FUSEHeaderOut) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !f.Unique.Packed() {
+        // Type FUSEHeaderOut doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(f.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        f.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (f *FUSEHeaderOut) WriteTo(writer io.Writer) (int64, error) {
+    if !f.Unique.Packed() {
+        // Type FUSEHeaderOut doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, f.SizeBytes())
+        f.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (f *FUSEInitIn) SizeBytes() int {
+    return 16
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (f *FUSEInitIn) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.Major))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.Minor))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.MaxReadahead))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.Flags))
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (f *FUSEInitIn) UnmarshalBytes(src []byte) {
+    f.Major = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.Minor = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.MaxReadahead = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.Flags = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (f *FUSEInitIn) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (f *FUSEInitIn) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(f),  uintptr(f.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (f *FUSEInitIn) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(f), unsafe.Pointer(&src[0]), uintptr(f.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (f *FUSEInitIn) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (f *FUSEInitIn) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return f.CopyOutN(cc, addr, f.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (f *FUSEInitIn) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (f *FUSEInitIn) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (f *FUSEInitOut) SizeBytes() int {
+    return 32 +
+        4*8
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (f *FUSEInitOut) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.Major))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.Minor))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.MaxReadahead))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.Flags))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(f.MaxBackground))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(f.CongestionThreshold))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.MaxWrite))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.TimeGran))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(f.MaxPages))
+    dst = dst[2:]
+    // Padding: dst[:sizeof(uint16)] ~= uint16(0)
+    dst = dst[2:]
+    // Padding: dst[:sizeof(uint32)*8] ~= [8]uint32{0}
+    dst = dst[4*(8):]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (f *FUSEInitOut) UnmarshalBytes(src []byte) {
+    f.Major = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.Minor = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.MaxReadahead = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.Flags = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.MaxBackground = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    f.CongestionThreshold = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    f.MaxWrite = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.TimeGran = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.MaxPages = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    // Padding: var _ uint16 ~= src[:sizeof(uint16)]
+    src = src[2:]
+    // Padding: ~ copy([8]uint32(f._), src[:sizeof(uint32)*8])
+    src = src[4*(8):]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (f *FUSEInitOut) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (f *FUSEInitOut) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(f),  uintptr(f.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (f *FUSEInitOut) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(f), unsafe.Pointer(&src[0]), uintptr(f.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (f *FUSEInitOut) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (f *FUSEInitOut) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return f.CopyOutN(cc, addr, f.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (f *FUSEInitOut) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (f *FUSEInitOut) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (f *FUSEMkdirMeta) SizeBytes() int {
+    return 8
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (f *FUSEMkdirMeta) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.Mode))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.Umask))
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (f *FUSEMkdirMeta) UnmarshalBytes(src []byte) {
+    f.Mode = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.Umask = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (f *FUSEMkdirMeta) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (f *FUSEMkdirMeta) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(f),  uintptr(f.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (f *FUSEMkdirMeta) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(f), unsafe.Pointer(&src[0]), uintptr(f.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (f *FUSEMkdirMeta) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (f *FUSEMkdirMeta) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return f.CopyOutN(cc, addr, f.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (f *FUSEMkdirMeta) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (f *FUSEMkdirMeta) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (f *FUSEMknodMeta) SizeBytes() int {
+    return 16
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (f *FUSEMknodMeta) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.Mode))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.Rdev))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.Umask))
+    dst = dst[4:]
+    // Padding: dst[:sizeof(uint32)] ~= uint32(0)
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (f *FUSEMknodMeta) UnmarshalBytes(src []byte) {
+    f.Mode = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.Rdev = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.Umask = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    // Padding: var _ uint32 ~= src[:sizeof(uint32)]
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (f *FUSEMknodMeta) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (f *FUSEMknodMeta) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(f),  uintptr(f.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (f *FUSEMknodMeta) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(f), unsafe.Pointer(&src[0]), uintptr(f.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (f *FUSEMknodMeta) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (f *FUSEMknodMeta) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return f.CopyOutN(cc, addr, f.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (f *FUSEMknodMeta) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (f *FUSEMknodMeta) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+//go:nosplit
+func (f *FUSEOpID) SizeBytes() int {
+    return 8
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (f *FUSEOpID) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(*f))
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (f *FUSEOpID) UnmarshalBytes(src []byte) {
+    *f = FUSEOpID(uint64(hostarch.ByteOrder.Uint64(src[:8])))
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (f *FUSEOpID) Packed() bool {
+    // Scalar newtypes are always packed.
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (f *FUSEOpID) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(f), uintptr(f.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (f *FUSEOpID) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(f), unsafe.Pointer(&src[0]), uintptr(f.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (f *FUSEOpID) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (f *FUSEOpID) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return f.CopyOutN(cc, addr, f.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (f *FUSEOpID) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (f *FUSEOpID) WriteTo(w io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := w.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+//go:nosplit
+func (f *FUSEOpcode) SizeBytes() int {
+    return 4
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (f *FUSEOpcode) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(*f))
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (f *FUSEOpcode) UnmarshalBytes(src []byte) {
+    *f = FUSEOpcode(uint32(hostarch.ByteOrder.Uint32(src[:4])))
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (f *FUSEOpcode) Packed() bool {
+    // Scalar newtypes are always packed.
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (f *FUSEOpcode) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(f), uintptr(f.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (f *FUSEOpcode) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(f), unsafe.Pointer(&src[0]), uintptr(f.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (f *FUSEOpcode) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (f *FUSEOpcode) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return f.CopyOutN(cc, addr, f.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (f *FUSEOpcode) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (f *FUSEOpcode) WriteTo(w io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := w.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (f *FUSEOpenIn) SizeBytes() int {
+    return 8
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (f *FUSEOpenIn) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.Flags))
+    dst = dst[4:]
+    // Padding: dst[:sizeof(uint32)] ~= uint32(0)
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (f *FUSEOpenIn) UnmarshalBytes(src []byte) {
+    f.Flags = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    // Padding: var _ uint32 ~= src[:sizeof(uint32)]
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (f *FUSEOpenIn) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (f *FUSEOpenIn) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(f),  uintptr(f.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (f *FUSEOpenIn) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(f), unsafe.Pointer(&src[0]), uintptr(f.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (f *FUSEOpenIn) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (f *FUSEOpenIn) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return f.CopyOutN(cc, addr, f.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (f *FUSEOpenIn) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (f *FUSEOpenIn) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (f *FUSEOpenOut) SizeBytes() int {
+    return 16
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (f *FUSEOpenOut) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(f.Fh))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.OpenFlag))
+    dst = dst[4:]
+    // Padding: dst[:sizeof(uint32)] ~= uint32(0)
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (f *FUSEOpenOut) UnmarshalBytes(src []byte) {
+    f.Fh = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    f.OpenFlag = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    // Padding: var _ uint32 ~= src[:sizeof(uint32)]
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (f *FUSEOpenOut) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (f *FUSEOpenOut) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(f),  uintptr(f.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (f *FUSEOpenOut) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(f), unsafe.Pointer(&src[0]), uintptr(f.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (f *FUSEOpenOut) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (f *FUSEOpenOut) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return f.CopyOutN(cc, addr, f.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (f *FUSEOpenOut) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (f *FUSEOpenOut) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (f *FUSEReadIn) SizeBytes() int {
+    return 40
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (f *FUSEReadIn) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(f.Fh))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(f.Offset))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.Size))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.ReadFlags))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(f.LockOwner))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.Flags))
+    dst = dst[4:]
+    // Padding: dst[:sizeof(uint32)] ~= uint32(0)
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (f *FUSEReadIn) UnmarshalBytes(src []byte) {
+    f.Fh = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    f.Offset = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    f.Size = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.ReadFlags = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.LockOwner = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    f.Flags = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    // Padding: var _ uint32 ~= src[:sizeof(uint32)]
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (f *FUSEReadIn) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (f *FUSEReadIn) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(f),  uintptr(f.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (f *FUSEReadIn) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(f), unsafe.Pointer(&src[0]), uintptr(f.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (f *FUSEReadIn) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (f *FUSEReadIn) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return f.CopyOutN(cc, addr, f.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (f *FUSEReadIn) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (f *FUSEReadIn) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (f *FUSEReleaseIn) SizeBytes() int {
+    return 24
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (f *FUSEReleaseIn) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(f.Fh))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.Flags))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.ReleaseFlags))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(f.LockOwner))
+    dst = dst[8:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (f *FUSEReleaseIn) UnmarshalBytes(src []byte) {
+    f.Fh = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    f.Flags = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.ReleaseFlags = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.LockOwner = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (f *FUSEReleaseIn) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (f *FUSEReleaseIn) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(f),  uintptr(f.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (f *FUSEReleaseIn) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(f), unsafe.Pointer(&src[0]), uintptr(f.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (f *FUSEReleaseIn) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (f *FUSEReleaseIn) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return f.CopyOutN(cc, addr, f.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (f *FUSEReleaseIn) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (f *FUSEReleaseIn) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (f *FUSESetAttrIn) SizeBytes() int {
+    return 88
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (f *FUSESetAttrIn) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.Valid))
+    dst = dst[4:]
+    // Padding: dst[:sizeof(uint32)] ~= uint32(0)
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(f.Fh))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(f.Size))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(f.LockOwner))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(f.Atime))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(f.Mtime))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(f.Ctime))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.AtimeNsec))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.MtimeNsec))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.CtimeNsec))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.Mode))
+    dst = dst[4:]
+    // Padding: dst[:sizeof(uint32)] ~= uint32(0)
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.UID))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.GID))
+    dst = dst[4:]
+    // Padding: dst[:sizeof(uint32)] ~= uint32(0)
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (f *FUSESetAttrIn) UnmarshalBytes(src []byte) {
+    f.Valid = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    // Padding: var _ uint32 ~= src[:sizeof(uint32)]
+    src = src[4:]
+    f.Fh = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    f.Size = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    f.LockOwner = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    f.Atime = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    f.Mtime = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    f.Ctime = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    f.AtimeNsec = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.MtimeNsec = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.CtimeNsec = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.Mode = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    // Padding: var _ uint32 ~= src[:sizeof(uint32)]
+    src = src[4:]
+    f.UID = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.GID = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    // Padding: var _ uint32 ~= src[:sizeof(uint32)]
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (f *FUSESetAttrIn) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (f *FUSESetAttrIn) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(f),  uintptr(f.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (f *FUSESetAttrIn) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(f), unsafe.Pointer(&src[0]), uintptr(f.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (f *FUSESetAttrIn) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (f *FUSESetAttrIn) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return f.CopyOutN(cc, addr, f.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (f *FUSESetAttrIn) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (f *FUSESetAttrIn) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (f *FUSEWriteIn) SizeBytes() int {
+    return 40
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (f *FUSEWriteIn) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(f.Fh))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(f.Offset))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.Size))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.WriteFlags))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(f.LockOwner))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.Flags))
+    dst = dst[4:]
+    // Padding: dst[:sizeof(uint32)] ~= uint32(0)
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (f *FUSEWriteIn) UnmarshalBytes(src []byte) {
+    f.Fh = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    f.Offset = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    f.Size = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.WriteFlags = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    f.LockOwner = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    f.Flags = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    // Padding: var _ uint32 ~= src[:sizeof(uint32)]
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (f *FUSEWriteIn) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (f *FUSEWriteIn) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(f),  uintptr(f.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (f *FUSEWriteIn) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(f), unsafe.Pointer(&src[0]), uintptr(f.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (f *FUSEWriteIn) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (f *FUSEWriteIn) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return f.CopyOutN(cc, addr, f.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (f *FUSEWriteIn) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (f *FUSEWriteIn) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (f *FUSEWriteOut) SizeBytes() int {
+    return 8
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (f *FUSEWriteOut) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.Size))
+    dst = dst[4:]
+    // Padding: dst[:sizeof(uint32)] ~= uint32(0)
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (f *FUSEWriteOut) UnmarshalBytes(src []byte) {
+    f.Size = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    // Padding: var _ uint32 ~= src[:sizeof(uint32)]
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (f *FUSEWriteOut) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (f *FUSEWriteOut) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(f),  uintptr(f.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (f *FUSEWriteOut) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(f), unsafe.Pointer(&src[0]), uintptr(f.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (f *FUSEWriteOut) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (f *FUSEWriteOut) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return f.CopyOutN(cc, addr, f.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (f *FUSEWriteOut) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (f *FUSEWriteOut) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f)))
+    hdr.Len = f.SizeBytes()
+    hdr.Cap = f.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that f
+    // must live until the use above.
+    runtime.KeepAlive(f) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (r *RobustListHead) SizeBytes() int {
+    return 24
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (r *RobustListHead) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(r.List))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(r.FutexOffset))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(r.ListOpPending))
+    dst = dst[8:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (r *RobustListHead) UnmarshalBytes(src []byte) {
+    r.List = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    r.FutexOffset = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    r.ListOpPending = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (r *RobustListHead) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (r *RobustListHead) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(r),  uintptr(r.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (r *RobustListHead) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(r), unsafe.Pointer(&src[0]), uintptr(r.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (r *RobustListHead) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(r)))
+    hdr.Len = r.SizeBytes()
+    hdr.Cap = r.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that r
+    // must live until the use above.
+    runtime.KeepAlive(r) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (r *RobustListHead) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return r.CopyOutN(cc, addr, r.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (r *RobustListHead) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(r)))
+    hdr.Len = r.SizeBytes()
+    hdr.Cap = r.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that r
+    // must live until the use above.
+    runtime.KeepAlive(r) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (r *RobustListHead) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(r)))
+    hdr.Len = r.SizeBytes()
+    hdr.Cap = r.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that r
+    // must live until the use above.
+    runtime.KeepAlive(r) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (d *DigestMetadata) SizeBytes() int {
+    return 4
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (d *DigestMetadata) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(d.DigestAlgorithm))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(d.DigestSize))
+    dst = dst[2:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (d *DigestMetadata) UnmarshalBytes(src []byte) {
+    d.DigestAlgorithm = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    d.DigestSize = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (d *DigestMetadata) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (d *DigestMetadata) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(d),  uintptr(d.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (d *DigestMetadata) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(d), unsafe.Pointer(&src[0]), uintptr(d.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (d *DigestMetadata) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(d)))
+    hdr.Len = d.SizeBytes()
+    hdr.Cap = d.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that d
+    // must live until the use above.
+    runtime.KeepAlive(d) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (d *DigestMetadata) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return d.CopyOutN(cc, addr, d.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (d *DigestMetadata) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(d)))
+    hdr.Len = d.SizeBytes()
+    hdr.Cap = d.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that d
+    // must live until the use above.
+    runtime.KeepAlive(d) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (d *DigestMetadata) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(d)))
+    hdr.Len = d.SizeBytes()
+    hdr.Cap = d.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that d
+    // must live until the use above.
+    runtime.KeepAlive(d) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (i *IPCPerm) SizeBytes() int {
+    return 48
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (i *IPCPerm) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.Key))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.UID))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.GID))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.CUID))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.CGID))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(i.Mode))
+    dst = dst[2:]
+    // Padding: dst[:sizeof(uint16)] ~= uint16(0)
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(i.Seq))
+    dst = dst[2:]
+    // Padding: dst[:sizeof(uint16)] ~= uint16(0)
+    dst = dst[2:]
+    // Padding: dst[:sizeof(uint32)] ~= uint32(0)
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(i.unused1))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(i.unused2))
+    dst = dst[8:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (i *IPCPerm) UnmarshalBytes(src []byte) {
+    i.Key = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    i.UID = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    i.GID = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    i.CUID = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    i.CGID = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    i.Mode = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    // Padding: var _ uint16 ~= src[:sizeof(uint16)]
+    src = src[2:]
+    i.Seq = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    // Padding: var _ uint16 ~= src[:sizeof(uint16)]
+    src = src[2:]
+    // Padding: var _ uint32 ~= src[:sizeof(uint32)]
+    src = src[4:]
+    i.unused1 = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    i.unused2 = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (i *IPCPerm) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (i *IPCPerm) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(i),  uintptr(i.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (i *IPCPerm) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(i), unsafe.Pointer(&src[0]), uintptr(i.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (i *IPCPerm) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (i *IPCPerm) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return i.CopyOutN(cc, addr, i.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (i *IPCPerm) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (i *IPCPerm) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (s *Sysinfo) SizeBytes() int {
+    return 78 +
+        8*3 +
+        1*6
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (s *Sysinfo) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.Uptime))
+    dst = dst[8:]
+    for idx := 0; idx < 3; idx++ {
+        hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.Loads[idx]))
+        dst = dst[8:]
+    }
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.TotalRAM))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.FreeRAM))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.SharedRAM))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.BufferRAM))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.TotalSwap))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.FreeSwap))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(s.Procs))
+    dst = dst[2:]
+    // Padding: dst[:sizeof(byte)*6] ~= [6]byte{0}
+    dst = dst[1*(6):]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.TotalHigh))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.FreeHigh))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.Unit))
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (s *Sysinfo) UnmarshalBytes(src []byte) {
+    s.Uptime = int64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    for idx := 0; idx < 3; idx++ {
+        s.Loads[idx] = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+        src = src[8:]
+    }
+    s.TotalRAM = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.FreeRAM = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.SharedRAM = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.BufferRAM = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.TotalSwap = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.FreeSwap = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.Procs = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    // Padding: ~ copy([6]byte(s._), src[:sizeof(byte)*6])
+    src = src[1*(6):]
+    s.TotalHigh = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.FreeHigh = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.Unit = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (s *Sysinfo) Packed() bool {
+    return false
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (s *Sysinfo) MarshalUnsafe(dst []byte) {
+    // Type Sysinfo doesn't have a packed layout in memory, fallback to MarshalBytes.
+    s.MarshalBytes(dst)
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (s *Sysinfo) UnmarshalUnsafe(src []byte) {
+    // Type Sysinfo doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+    s.UnmarshalBytes(src)
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (s *Sysinfo) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Type Sysinfo doesn't have a packed layout in memory, fall back to MarshalBytes.
+    buf := cc.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
+    s.MarshalBytes(buf) // escapes: fallback.
+    return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (s *Sysinfo) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return s.CopyOutN(cc, addr, s.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (s *Sysinfo) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Type Sysinfo doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+    buf := cc.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Unmarshal unconditionally. If we had a short copy-in, this results in a
+    // partially unmarshalled struct.
+    s.UnmarshalBytes(buf) // escapes: fallback.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (s *Sysinfo) WriteTo(writer io.Writer) (int64, error) {
+    // Type Sysinfo doesn't have a packed layout in memory, fall back to MarshalBytes.
+    buf := make([]byte, s.SizeBytes())
+    s.MarshalBytes(buf)
+    length, err := writer.Write(buf)
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+//go:nosplit
+func (n *NumaPolicy) SizeBytes() int {
+    return 4
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (n *NumaPolicy) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(*n))
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (n *NumaPolicy) UnmarshalBytes(src []byte) {
+    *n = NumaPolicy(int32(hostarch.ByteOrder.Uint32(src[:4])))
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (n *NumaPolicy) Packed() bool {
+    // Scalar newtypes are always packed.
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (n *NumaPolicy) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(n), uintptr(n.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (n *NumaPolicy) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(n), unsafe.Pointer(&src[0]), uintptr(n.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (n *NumaPolicy) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (n *NumaPolicy) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return n.CopyOutN(cc, addr, n.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (n *NumaPolicy) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (n *NumaPolicy) WriteTo(w io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := w.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (i *IFConf) SizeBytes() int {
+    return 12 +
+        1*4
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (i *IFConf) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.Len))
+    dst = dst[4:]
+    // Padding: dst[:sizeof(byte)*4] ~= [4]byte{0}
+    dst = dst[1*(4):]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(i.Ptr))
+    dst = dst[8:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (i *IFConf) UnmarshalBytes(src []byte) {
+    i.Len = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    // Padding: ~ copy([4]byte(i._), src[:sizeof(byte)*4])
+    src = src[1*(4):]
+    i.Ptr = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (i *IFConf) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (i *IFConf) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(i),  uintptr(i.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (i *IFConf) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(i), unsafe.Pointer(&src[0]), uintptr(i.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (i *IFConf) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (i *IFConf) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return i.CopyOutN(cc, addr, i.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (i *IFConf) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (i *IFConf) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (ifr *IFReq) SizeBytes() int {
+    return 0 +
+        1*IFNAMSIZ +
+        1*24
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (ifr *IFReq) MarshalBytes(dst []byte) {
+    for idx := 0; idx < IFNAMSIZ; idx++ {
+        dst[0] = byte(ifr.IFName[idx])
+        dst = dst[1:]
+    }
+    for idx := 0; idx < 24; idx++ {
+        dst[0] = byte(ifr.Data[idx])
+        dst = dst[1:]
+    }
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (ifr *IFReq) UnmarshalBytes(src []byte) {
+    for idx := 0; idx < IFNAMSIZ; idx++ {
+        ifr.IFName[idx] = src[0]
+        src = src[1:]
+    }
+    for idx := 0; idx < 24; idx++ {
+        ifr.Data[idx] = src[0]
+        src = src[1:]
+    }
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (ifr *IFReq) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (ifr *IFReq) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(ifr),  uintptr(ifr.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (ifr *IFReq) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(ifr), unsafe.Pointer(&src[0]), uintptr(ifr.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (ifr *IFReq) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(ifr)))
+    hdr.Len = ifr.SizeBytes()
+    hdr.Cap = ifr.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that ifr
+    // must live until the use above.
+    runtime.KeepAlive(ifr) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (ifr *IFReq) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return ifr.CopyOutN(cc, addr, ifr.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (ifr *IFReq) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(ifr)))
+    hdr.Len = ifr.SizeBytes()
+    hdr.Cap = ifr.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that ifr
+    // must live until the use above.
+    runtime.KeepAlive(ifr) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (ifr *IFReq) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(ifr)))
+    hdr.Len = ifr.SizeBytes()
+    hdr.Cap = ifr.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that ifr
+    // must live until the use above.
+    runtime.KeepAlive(ifr) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+//go:nosplit
+func (en *ErrorName) SizeBytes() int {
+    return 1 * XT_FUNCTION_MAXNAMELEN
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (en *ErrorName) MarshalBytes(dst []byte) {
+    for idx := 0; idx < XT_FUNCTION_MAXNAMELEN; idx++ {
+        dst[0] = byte(en[idx])
+        dst = dst[1:]
+    }
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (en *ErrorName) UnmarshalBytes(src []byte) {
+    for idx := 0; idx < XT_FUNCTION_MAXNAMELEN; idx++ {
+        en[idx] = src[0]
+        src = src[1:]
+    }
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (en *ErrorName) Packed() bool {
+    // Array newtypes are always packed.
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (en *ErrorName) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&en[0]), uintptr(en.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (en *ErrorName) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(en), unsafe.Pointer(&src[0]), uintptr(en.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (en *ErrorName) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(en)))
+    hdr.Len = en.SizeBytes()
+    hdr.Cap = en.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that en
+    // must live until the use above.
+    runtime.KeepAlive(en) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (en *ErrorName) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return en.CopyOutN(cc, addr, en.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (en *ErrorName) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(en)))
+    hdr.Len = en.SizeBytes()
+    hdr.Cap = en.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that en
+    // must live until the use above.
+    runtime.KeepAlive(en) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (en *ErrorName) WriteTo(w io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(en)))
+    hdr.Len = en.SizeBytes()
+    hdr.Cap = en.SizeBytes()
+
+    length, err := w.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that en
+    // must live until the use above.
+    runtime.KeepAlive(en) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+//go:nosplit
+func (en *ExtensionName) SizeBytes() int {
+    return 1 * XT_EXTENSION_MAXNAMELEN
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (en *ExtensionName) MarshalBytes(dst []byte) {
+    for idx := 0; idx < XT_EXTENSION_MAXNAMELEN; idx++ {
+        dst[0] = byte(en[idx])
+        dst = dst[1:]
+    }
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (en *ExtensionName) UnmarshalBytes(src []byte) {
+    for idx := 0; idx < XT_EXTENSION_MAXNAMELEN; idx++ {
+        en[idx] = src[0]
+        src = src[1:]
+    }
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (en *ExtensionName) Packed() bool {
+    // Array newtypes are always packed.
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (en *ExtensionName) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&en[0]), uintptr(en.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (en *ExtensionName) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(en), unsafe.Pointer(&src[0]), uintptr(en.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (en *ExtensionName) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(en)))
+    hdr.Len = en.SizeBytes()
+    hdr.Cap = en.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that en
+    // must live until the use above.
+    runtime.KeepAlive(en) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (en *ExtensionName) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return en.CopyOutN(cc, addr, en.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (en *ExtensionName) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(en)))
+    hdr.Len = en.SizeBytes()
+    hdr.Cap = en.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that en
+    // must live until the use above.
+    runtime.KeepAlive(en) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (en *ExtensionName) WriteTo(w io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(en)))
+    hdr.Len = en.SizeBytes()
+    hdr.Cap = en.SizeBytes()
+
+    length, err := w.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that en
+    // must live until the use above.
+    runtime.KeepAlive(en) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (i *IPTEntry) SizeBytes() int {
+    return 12 +
+        (*IPTIP)(nil).SizeBytes() +
+        (*XTCounters)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (i *IPTEntry) MarshalBytes(dst []byte) {
+    i.IP.MarshalBytes(dst[:i.IP.SizeBytes()])
+    dst = dst[i.IP.SizeBytes():]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.NFCache))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(i.TargetOffset))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(i.NextOffset))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.Comeback))
+    dst = dst[4:]
+    i.Counters.MarshalBytes(dst[:i.Counters.SizeBytes()])
+    dst = dst[i.Counters.SizeBytes():]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (i *IPTEntry) UnmarshalBytes(src []byte) {
+    i.IP.UnmarshalBytes(src[:i.IP.SizeBytes()])
+    src = src[i.IP.SizeBytes():]
+    i.NFCache = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    i.TargetOffset = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    i.NextOffset = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    i.Comeback = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    i.Counters.UnmarshalBytes(src[:i.Counters.SizeBytes()])
+    src = src[i.Counters.SizeBytes():]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (i *IPTEntry) Packed() bool {
+    return i.Counters.Packed() && i.IP.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (i *IPTEntry) MarshalUnsafe(dst []byte) {
+    if i.Counters.Packed() && i.IP.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(i),  uintptr(i.SizeBytes()))
+    } else {
+        // Type IPTEntry doesn't have a packed layout in memory, fallback to MarshalBytes.
+        i.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (i *IPTEntry) UnmarshalUnsafe(src []byte) {
+    if i.Counters.Packed() && i.IP.Packed() {
+        gohacks.Memmove(unsafe.Pointer(i), unsafe.Pointer(&src[0]), uintptr(i.SizeBytes()))
+    } else {
+        // Type IPTEntry doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        i.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (i *IPTEntry) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !i.Counters.Packed() && i.IP.Packed() {
+        // Type IPTEntry doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+        i.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (i *IPTEntry) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return i.CopyOutN(cc, addr, i.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (i *IPTEntry) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !i.Counters.Packed() && i.IP.Packed() {
+        // Type IPTEntry doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        i.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (i *IPTEntry) WriteTo(writer io.Writer) (int64, error) {
+    if !i.Counters.Packed() && i.IP.Packed() {
+        // Type IPTEntry doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, i.SizeBytes())
+        i.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (i *IPTGetEntries) SizeBytes() int {
+    return 4 +
+        (*TableName)(nil).SizeBytes() +
+        1*4
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (i *IPTGetEntries) MarshalBytes(dst []byte) {
+    i.Name.MarshalBytes(dst[:i.Name.SizeBytes()])
+    dst = dst[i.Name.SizeBytes():]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.Size))
+    dst = dst[4:]
+    // Padding: dst[:sizeof(byte)*4] ~= [4]byte{0}
+    dst = dst[1*(4):]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (i *IPTGetEntries) UnmarshalBytes(src []byte) {
+    i.Name.UnmarshalBytes(src[:i.Name.SizeBytes()])
+    src = src[i.Name.SizeBytes():]
+    i.Size = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    // Padding: ~ copy([4]byte(i._), src[:sizeof(byte)*4])
+    src = src[1*(4):]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (i *IPTGetEntries) Packed() bool {
+    return i.Name.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (i *IPTGetEntries) MarshalUnsafe(dst []byte) {
+    if i.Name.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(i),  uintptr(i.SizeBytes()))
+    } else {
+        // Type IPTGetEntries doesn't have a packed layout in memory, fallback to MarshalBytes.
+        i.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (i *IPTGetEntries) UnmarshalUnsafe(src []byte) {
+    if i.Name.Packed() {
+        gohacks.Memmove(unsafe.Pointer(i), unsafe.Pointer(&src[0]), uintptr(i.SizeBytes()))
+    } else {
+        // Type IPTGetEntries doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        i.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (i *IPTGetEntries) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !i.Name.Packed() {
+        // Type IPTGetEntries doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+        i.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (i *IPTGetEntries) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return i.CopyOutN(cc, addr, i.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (i *IPTGetEntries) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !i.Name.Packed() {
+        // Type IPTGetEntries doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        i.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (i *IPTGetEntries) WriteTo(writer io.Writer) (int64, error) {
+    if !i.Name.Packed() {
+        // Type IPTGetEntries doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, i.SizeBytes())
+        i.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (i *IPTGetinfo) SizeBytes() int {
+    return 12 +
+        (*TableName)(nil).SizeBytes() +
+        4*NF_INET_NUMHOOKS +
+        4*NF_INET_NUMHOOKS
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (i *IPTGetinfo) MarshalBytes(dst []byte) {
+    i.Name.MarshalBytes(dst[:i.Name.SizeBytes()])
+    dst = dst[i.Name.SizeBytes():]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.ValidHooks))
+    dst = dst[4:]
+    for idx := 0; idx < NF_INET_NUMHOOKS; idx++ {
+        hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.HookEntry[idx]))
+        dst = dst[4:]
+    }
+    for idx := 0; idx < NF_INET_NUMHOOKS; idx++ {
+        hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.Underflow[idx]))
+        dst = dst[4:]
+    }
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.NumEntries))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.Size))
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (i *IPTGetinfo) UnmarshalBytes(src []byte) {
+    i.Name.UnmarshalBytes(src[:i.Name.SizeBytes()])
+    src = src[i.Name.SizeBytes():]
+    i.ValidHooks = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    for idx := 0; idx < NF_INET_NUMHOOKS; idx++ {
+        i.HookEntry[idx] = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+        src = src[4:]
+    }
+    for idx := 0; idx < NF_INET_NUMHOOKS; idx++ {
+        i.Underflow[idx] = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+        src = src[4:]
+    }
+    i.NumEntries = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    i.Size = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (i *IPTGetinfo) Packed() bool {
+    return i.Name.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (i *IPTGetinfo) MarshalUnsafe(dst []byte) {
+    if i.Name.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(i),  uintptr(i.SizeBytes()))
+    } else {
+        // Type IPTGetinfo doesn't have a packed layout in memory, fallback to MarshalBytes.
+        i.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (i *IPTGetinfo) UnmarshalUnsafe(src []byte) {
+    if i.Name.Packed() {
+        gohacks.Memmove(unsafe.Pointer(i), unsafe.Pointer(&src[0]), uintptr(i.SizeBytes()))
+    } else {
+        // Type IPTGetinfo doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        i.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (i *IPTGetinfo) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !i.Name.Packed() {
+        // Type IPTGetinfo doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+        i.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (i *IPTGetinfo) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return i.CopyOutN(cc, addr, i.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (i *IPTGetinfo) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !i.Name.Packed() {
+        // Type IPTGetinfo doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        i.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (i *IPTGetinfo) WriteTo(writer io.Writer) (int64, error) {
+    if !i.Name.Packed() {
+        // Type IPTGetinfo doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, i.SizeBytes())
+        i.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (i *IPTIP) SizeBytes() int {
+    return 4 +
+        (*InetAddr)(nil).SizeBytes() +
+        (*InetAddr)(nil).SizeBytes() +
+        (*InetAddr)(nil).SizeBytes() +
+        (*InetAddr)(nil).SizeBytes() +
+        1*IFNAMSIZ +
+        1*IFNAMSIZ +
+        1*IFNAMSIZ +
+        1*IFNAMSIZ
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (i *IPTIP) MarshalBytes(dst []byte) {
+    i.Src.MarshalBytes(dst[:i.Src.SizeBytes()])
+    dst = dst[i.Src.SizeBytes():]
+    i.Dst.MarshalBytes(dst[:i.Dst.SizeBytes()])
+    dst = dst[i.Dst.SizeBytes():]
+    i.SrcMask.MarshalBytes(dst[:i.SrcMask.SizeBytes()])
+    dst = dst[i.SrcMask.SizeBytes():]
+    i.DstMask.MarshalBytes(dst[:i.DstMask.SizeBytes()])
+    dst = dst[i.DstMask.SizeBytes():]
+    for idx := 0; idx < IFNAMSIZ; idx++ {
+        dst[0] = byte(i.InputInterface[idx])
+        dst = dst[1:]
+    }
+    for idx := 0; idx < IFNAMSIZ; idx++ {
+        dst[0] = byte(i.OutputInterface[idx])
+        dst = dst[1:]
+    }
+    for idx := 0; idx < IFNAMSIZ; idx++ {
+        dst[0] = byte(i.InputInterfaceMask[idx])
+        dst = dst[1:]
+    }
+    for idx := 0; idx < IFNAMSIZ; idx++ {
+        dst[0] = byte(i.OutputInterfaceMask[idx])
+        dst = dst[1:]
+    }
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(i.Protocol))
+    dst = dst[2:]
+    dst[0] = byte(i.Flags)
+    dst = dst[1:]
+    dst[0] = byte(i.InverseFlags)
+    dst = dst[1:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (i *IPTIP) UnmarshalBytes(src []byte) {
+    i.Src.UnmarshalBytes(src[:i.Src.SizeBytes()])
+    src = src[i.Src.SizeBytes():]
+    i.Dst.UnmarshalBytes(src[:i.Dst.SizeBytes()])
+    src = src[i.Dst.SizeBytes():]
+    i.SrcMask.UnmarshalBytes(src[:i.SrcMask.SizeBytes()])
+    src = src[i.SrcMask.SizeBytes():]
+    i.DstMask.UnmarshalBytes(src[:i.DstMask.SizeBytes()])
+    src = src[i.DstMask.SizeBytes():]
+    for idx := 0; idx < IFNAMSIZ; idx++ {
+        i.InputInterface[idx] = src[0]
+        src = src[1:]
+    }
+    for idx := 0; idx < IFNAMSIZ; idx++ {
+        i.OutputInterface[idx] = src[0]
+        src = src[1:]
+    }
+    for idx := 0; idx < IFNAMSIZ; idx++ {
+        i.InputInterfaceMask[idx] = src[0]
+        src = src[1:]
+    }
+    for idx := 0; idx < IFNAMSIZ; idx++ {
+        i.OutputInterfaceMask[idx] = src[0]
+        src = src[1:]
+    }
+    i.Protocol = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    i.Flags = uint8(src[0])
+    src = src[1:]
+    i.InverseFlags = uint8(src[0])
+    src = src[1:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (i *IPTIP) Packed() bool {
+    return i.Dst.Packed() && i.DstMask.Packed() && i.Src.Packed() && i.SrcMask.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (i *IPTIP) MarshalUnsafe(dst []byte) {
+    if i.Dst.Packed() && i.DstMask.Packed() && i.Src.Packed() && i.SrcMask.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(i),  uintptr(i.SizeBytes()))
+    } else {
+        // Type IPTIP doesn't have a packed layout in memory, fallback to MarshalBytes.
+        i.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (i *IPTIP) UnmarshalUnsafe(src []byte) {
+    if i.Dst.Packed() && i.DstMask.Packed() && i.Src.Packed() && i.SrcMask.Packed() {
+        gohacks.Memmove(unsafe.Pointer(i), unsafe.Pointer(&src[0]), uintptr(i.SizeBytes()))
+    } else {
+        // Type IPTIP doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        i.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (i *IPTIP) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !i.Dst.Packed() && i.DstMask.Packed() && i.Src.Packed() && i.SrcMask.Packed() {
+        // Type IPTIP doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+        i.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (i *IPTIP) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return i.CopyOutN(cc, addr, i.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (i *IPTIP) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !i.Dst.Packed() && i.DstMask.Packed() && i.Src.Packed() && i.SrcMask.Packed() {
+        // Type IPTIP doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        i.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (i *IPTIP) WriteTo(writer io.Writer) (int64, error) {
+    if !i.Dst.Packed() && i.DstMask.Packed() && i.Src.Packed() && i.SrcMask.Packed() {
+        // Type IPTIP doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, i.SizeBytes())
+        i.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (i *IPTOwnerInfo) SizeBytes() int {
+    return 18 +
+        1*16
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (i *IPTOwnerInfo) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.UID))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.GID))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.PID))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.SID))
+    dst = dst[4:]
+    for idx := 0; idx < 16; idx++ {
+        dst[0] = byte(i.Comm[idx])
+        dst = dst[1:]
+    }
+    dst[0] = byte(i.Match)
+    dst = dst[1:]
+    dst[0] = byte(i.Invert)
+    dst = dst[1:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (i *IPTOwnerInfo) UnmarshalBytes(src []byte) {
+    i.UID = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    i.GID = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    i.PID = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    i.SID = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    for idx := 0; idx < 16; idx++ {
+        i.Comm[idx] = src[0]
+        src = src[1:]
+    }
+    i.Match = uint8(src[0])
+    src = src[1:]
+    i.Invert = uint8(src[0])
+    src = src[1:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (i *IPTOwnerInfo) Packed() bool {
+    return false
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (i *IPTOwnerInfo) MarshalUnsafe(dst []byte) {
+    // Type IPTOwnerInfo doesn't have a packed layout in memory, fallback to MarshalBytes.
+    i.MarshalBytes(dst)
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (i *IPTOwnerInfo) UnmarshalUnsafe(src []byte) {
+    // Type IPTOwnerInfo doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+    i.UnmarshalBytes(src)
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (i *IPTOwnerInfo) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Type IPTOwnerInfo doesn't have a packed layout in memory, fall back to MarshalBytes.
+    buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+    i.MarshalBytes(buf) // escapes: fallback.
+    return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (i *IPTOwnerInfo) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return i.CopyOutN(cc, addr, i.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (i *IPTOwnerInfo) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Type IPTOwnerInfo doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+    buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Unmarshal unconditionally. If we had a short copy-in, this results in a
+    // partially unmarshalled struct.
+    i.UnmarshalBytes(buf) // escapes: fallback.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (i *IPTOwnerInfo) WriteTo(writer io.Writer) (int64, error) {
+    // Type IPTOwnerInfo doesn't have a packed layout in memory, fall back to MarshalBytes.
+    buf := make([]byte, i.SizeBytes())
+    i.MarshalBytes(buf)
+    length, err := writer.Write(buf)
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (i *IPTReplace) SizeBytes() int {
+    return 24 +
+        (*TableName)(nil).SizeBytes() +
+        4*NF_INET_NUMHOOKS +
+        4*NF_INET_NUMHOOKS
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (i *IPTReplace) MarshalBytes(dst []byte) {
+    i.Name.MarshalBytes(dst[:i.Name.SizeBytes()])
+    dst = dst[i.Name.SizeBytes():]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.ValidHooks))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.NumEntries))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.Size))
+    dst = dst[4:]
+    for idx := 0; idx < NF_INET_NUMHOOKS; idx++ {
+        hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.HookEntry[idx]))
+        dst = dst[4:]
+    }
+    for idx := 0; idx < NF_INET_NUMHOOKS; idx++ {
+        hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.Underflow[idx]))
+        dst = dst[4:]
+    }
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.NumCounters))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(i.Counters))
+    dst = dst[8:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (i *IPTReplace) UnmarshalBytes(src []byte) {
+    i.Name.UnmarshalBytes(src[:i.Name.SizeBytes()])
+    src = src[i.Name.SizeBytes():]
+    i.ValidHooks = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    i.NumEntries = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    i.Size = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    for idx := 0; idx < NF_INET_NUMHOOKS; idx++ {
+        i.HookEntry[idx] = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+        src = src[4:]
+    }
+    for idx := 0; idx < NF_INET_NUMHOOKS; idx++ {
+        i.Underflow[idx] = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+        src = src[4:]
+    }
+    i.NumCounters = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    i.Counters = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (i *IPTReplace) Packed() bool {
+    return i.Name.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (i *IPTReplace) MarshalUnsafe(dst []byte) {
+    if i.Name.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(i),  uintptr(i.SizeBytes()))
+    } else {
+        // Type IPTReplace doesn't have a packed layout in memory, fallback to MarshalBytes.
+        i.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (i *IPTReplace) UnmarshalUnsafe(src []byte) {
+    if i.Name.Packed() {
+        gohacks.Memmove(unsafe.Pointer(i), unsafe.Pointer(&src[0]), uintptr(i.SizeBytes()))
+    } else {
+        // Type IPTReplace doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        i.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (i *IPTReplace) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !i.Name.Packed() {
+        // Type IPTReplace doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+        i.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (i *IPTReplace) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return i.CopyOutN(cc, addr, i.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (i *IPTReplace) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !i.Name.Packed() {
+        // Type IPTReplace doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        i.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (i *IPTReplace) WriteTo(writer io.Writer) (int64, error) {
+    if !i.Name.Packed() {
+        // Type IPTReplace doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, i.SizeBytes())
+        i.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (ke *KernelIPTEntry) Packed() bool {
+    // Type KernelIPTEntry is dynamic so it might have slice/string headers. Hence, it is not packed.
+    return false
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (ke *KernelIPTEntry) MarshalUnsafe(dst []byte) {
+    // Type KernelIPTEntry doesn't have a packed layout in memory, fallback to MarshalBytes.
+    ke.MarshalBytes(dst)
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (ke *KernelIPTEntry) UnmarshalUnsafe(src []byte) {
+    // Type KernelIPTEntry doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+    ke.UnmarshalBytes(src)
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (ke *KernelIPTEntry) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Type KernelIPTEntry doesn't have a packed layout in memory, fall back to MarshalBytes.
+    buf := cc.CopyScratchBuffer(ke.SizeBytes()) // escapes: okay.
+    ke.MarshalBytes(buf) // escapes: fallback.
+    return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (ke *KernelIPTEntry) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return ke.CopyOutN(cc, addr, ke.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (ke *KernelIPTEntry) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Type KernelIPTEntry doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+    buf := cc.CopyScratchBuffer(ke.SizeBytes()) // escapes: okay.
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Unmarshal unconditionally. If we had a short copy-in, this results in a
+    // partially unmarshalled struct.
+    ke.UnmarshalBytes(buf) // escapes: fallback.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (ke *KernelIPTEntry) WriteTo(writer io.Writer) (int64, error) {
+    // Type KernelIPTEntry doesn't have a packed layout in memory, fall back to MarshalBytes.
+    buf := make([]byte, ke.SizeBytes())
+    ke.MarshalBytes(buf)
+    length, err := writer.Write(buf)
+    return int64(length), err
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (ke *KernelIPTGetEntries) Packed() bool {
+    // Type KernelIPTGetEntries is dynamic so it might have slice/string headers. Hence, it is not packed.
+    return false
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (ke *KernelIPTGetEntries) MarshalUnsafe(dst []byte) {
+    // Type KernelIPTGetEntries doesn't have a packed layout in memory, fallback to MarshalBytes.
+    ke.MarshalBytes(dst)
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (ke *KernelIPTGetEntries) UnmarshalUnsafe(src []byte) {
+    // Type KernelIPTGetEntries doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+    ke.UnmarshalBytes(src)
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (ke *KernelIPTGetEntries) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Type KernelIPTGetEntries doesn't have a packed layout in memory, fall back to MarshalBytes.
+    buf := cc.CopyScratchBuffer(ke.SizeBytes()) // escapes: okay.
+    ke.MarshalBytes(buf) // escapes: fallback.
+    return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (ke *KernelIPTGetEntries) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return ke.CopyOutN(cc, addr, ke.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (ke *KernelIPTGetEntries) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Type KernelIPTGetEntries doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+    buf := cc.CopyScratchBuffer(ke.SizeBytes()) // escapes: okay.
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Unmarshal unconditionally. If we had a short copy-in, this results in a
+    // partially unmarshalled struct.
+    ke.UnmarshalBytes(buf) // escapes: fallback.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (ke *KernelIPTGetEntries) WriteTo(writer io.Writer) (int64, error) {
+    // Type KernelIPTGetEntries doesn't have a packed layout in memory, fall back to MarshalBytes.
+    buf := make([]byte, ke.SizeBytes())
+    ke.MarshalBytes(buf)
+    length, err := writer.Write(buf)
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (n *NfNATIPV4MultiRangeCompat) SizeBytes() int {
+    return 4 +
+        (*NfNATIPV4Range)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (n *NfNATIPV4MultiRangeCompat) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(n.RangeSize))
+    dst = dst[4:]
+    n.RangeIPV4.MarshalBytes(dst[:n.RangeIPV4.SizeBytes()])
+    dst = dst[n.RangeIPV4.SizeBytes():]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (n *NfNATIPV4MultiRangeCompat) UnmarshalBytes(src []byte) {
+    n.RangeSize = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    n.RangeIPV4.UnmarshalBytes(src[:n.RangeIPV4.SizeBytes()])
+    src = src[n.RangeIPV4.SizeBytes():]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (n *NfNATIPV4MultiRangeCompat) Packed() bool {
+    return n.RangeIPV4.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (n *NfNATIPV4MultiRangeCompat) MarshalUnsafe(dst []byte) {
+    if n.RangeIPV4.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(n),  uintptr(n.SizeBytes()))
+    } else {
+        // Type NfNATIPV4MultiRangeCompat doesn't have a packed layout in memory, fallback to MarshalBytes.
+        n.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (n *NfNATIPV4MultiRangeCompat) UnmarshalUnsafe(src []byte) {
+    if n.RangeIPV4.Packed() {
+        gohacks.Memmove(unsafe.Pointer(n), unsafe.Pointer(&src[0]), uintptr(n.SizeBytes()))
+    } else {
+        // Type NfNATIPV4MultiRangeCompat doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        n.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (n *NfNATIPV4MultiRangeCompat) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !n.RangeIPV4.Packed() {
+        // Type NfNATIPV4MultiRangeCompat doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(n.SizeBytes()) // escapes: okay.
+        n.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (n *NfNATIPV4MultiRangeCompat) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return n.CopyOutN(cc, addr, n.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (n *NfNATIPV4MultiRangeCompat) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !n.RangeIPV4.Packed() {
+        // Type NfNATIPV4MultiRangeCompat doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(n.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        n.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (n *NfNATIPV4MultiRangeCompat) WriteTo(writer io.Writer) (int64, error) {
+    if !n.RangeIPV4.Packed() {
+        // Type NfNATIPV4MultiRangeCompat doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, n.SizeBytes())
+        n.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (n *NfNATIPV4Range) SizeBytes() int {
+    return 8 +
+        1*4 +
+        1*4
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (n *NfNATIPV4Range) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(n.Flags))
+    dst = dst[4:]
+    for idx := 0; idx < 4; idx++ {
+        dst[0] = byte(n.MinIP[idx])
+        dst = dst[1:]
+    }
+    for idx := 0; idx < 4; idx++ {
+        dst[0] = byte(n.MaxIP[idx])
+        dst = dst[1:]
+    }
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(n.MinPort))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(n.MaxPort))
+    dst = dst[2:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (n *NfNATIPV4Range) UnmarshalBytes(src []byte) {
+    n.Flags = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    for idx := 0; idx < 4; idx++ {
+        n.MinIP[idx] = src[0]
+        src = src[1:]
+    }
+    for idx := 0; idx < 4; idx++ {
+        n.MaxIP[idx] = src[0]
+        src = src[1:]
+    }
+    n.MinPort = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    n.MaxPort = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (n *NfNATIPV4Range) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (n *NfNATIPV4Range) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(n),  uintptr(n.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (n *NfNATIPV4Range) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(n), unsafe.Pointer(&src[0]), uintptr(n.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (n *NfNATIPV4Range) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (n *NfNATIPV4Range) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return n.CopyOutN(cc, addr, n.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (n *NfNATIPV4Range) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (n *NfNATIPV4Range) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+//go:nosplit
+func (tn *TableName) SizeBytes() int {
+    return 1 * XT_TABLE_MAXNAMELEN
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (tn *TableName) MarshalBytes(dst []byte) {
+    for idx := 0; idx < XT_TABLE_MAXNAMELEN; idx++ {
+        dst[0] = byte(tn[idx])
+        dst = dst[1:]
+    }
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (tn *TableName) UnmarshalBytes(src []byte) {
+    for idx := 0; idx < XT_TABLE_MAXNAMELEN; idx++ {
+        tn[idx] = src[0]
+        src = src[1:]
+    }
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (tn *TableName) Packed() bool {
+    // Array newtypes are always packed.
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (tn *TableName) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&tn[0]), uintptr(tn.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (tn *TableName) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(tn), unsafe.Pointer(&src[0]), uintptr(tn.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (tn *TableName) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(tn)))
+    hdr.Len = tn.SizeBytes()
+    hdr.Cap = tn.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that tn
+    // must live until the use above.
+    runtime.KeepAlive(tn) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (tn *TableName) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return tn.CopyOutN(cc, addr, tn.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (tn *TableName) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(tn)))
+    hdr.Len = tn.SizeBytes()
+    hdr.Cap = tn.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that tn
+    // must live until the use above.
+    runtime.KeepAlive(tn) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (tn *TableName) WriteTo(w io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(tn)))
+    hdr.Len = tn.SizeBytes()
+    hdr.Cap = tn.SizeBytes()
+
+    length, err := w.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that tn
+    // must live until the use above.
+    runtime.KeepAlive(tn) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (x *XTCounters) SizeBytes() int {
+    return 16
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (x *XTCounters) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(x.Pcnt))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(x.Bcnt))
+    dst = dst[8:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (x *XTCounters) UnmarshalBytes(src []byte) {
+    x.Pcnt = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    x.Bcnt = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (x *XTCounters) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (x *XTCounters) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(x),  uintptr(x.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (x *XTCounters) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(x), unsafe.Pointer(&src[0]), uintptr(x.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (x *XTCounters) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (x *XTCounters) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return x.CopyOutN(cc, addr, x.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (x *XTCounters) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (x *XTCounters) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (x *XTEntryMatch) SizeBytes() int {
+    return 3 +
+        (*ExtensionName)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (x *XTEntryMatch) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(x.MatchSize))
+    dst = dst[2:]
+    x.Name.MarshalBytes(dst[:x.Name.SizeBytes()])
+    dst = dst[x.Name.SizeBytes():]
+    dst[0] = byte(x.Revision)
+    dst = dst[1:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (x *XTEntryMatch) UnmarshalBytes(src []byte) {
+    x.MatchSize = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    x.Name.UnmarshalBytes(src[:x.Name.SizeBytes()])
+    src = src[x.Name.SizeBytes():]
+    x.Revision = uint8(src[0])
+    src = src[1:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (x *XTEntryMatch) Packed() bool {
+    return x.Name.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (x *XTEntryMatch) MarshalUnsafe(dst []byte) {
+    if x.Name.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(x),  uintptr(x.SizeBytes()))
+    } else {
+        // Type XTEntryMatch doesn't have a packed layout in memory, fallback to MarshalBytes.
+        x.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (x *XTEntryMatch) UnmarshalUnsafe(src []byte) {
+    if x.Name.Packed() {
+        gohacks.Memmove(unsafe.Pointer(x), unsafe.Pointer(&src[0]), uintptr(x.SizeBytes()))
+    } else {
+        // Type XTEntryMatch doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        x.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (x *XTEntryMatch) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !x.Name.Packed() {
+        // Type XTEntryMatch doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(x.SizeBytes()) // escapes: okay.
+        x.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (x *XTEntryMatch) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return x.CopyOutN(cc, addr, x.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (x *XTEntryMatch) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !x.Name.Packed() {
+        // Type XTEntryMatch doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(x.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        x.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (x *XTEntryMatch) WriteTo(writer io.Writer) (int64, error) {
+    if !x.Name.Packed() {
+        // Type XTEntryMatch doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, x.SizeBytes())
+        x.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (x *XTEntryTarget) SizeBytes() int {
+    return 3 +
+        (*ExtensionName)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (x *XTEntryTarget) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(x.TargetSize))
+    dst = dst[2:]
+    x.Name.MarshalBytes(dst[:x.Name.SizeBytes()])
+    dst = dst[x.Name.SizeBytes():]
+    dst[0] = byte(x.Revision)
+    dst = dst[1:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (x *XTEntryTarget) UnmarshalBytes(src []byte) {
+    x.TargetSize = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    x.Name.UnmarshalBytes(src[:x.Name.SizeBytes()])
+    src = src[x.Name.SizeBytes():]
+    x.Revision = uint8(src[0])
+    src = src[1:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (x *XTEntryTarget) Packed() bool {
+    return x.Name.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (x *XTEntryTarget) MarshalUnsafe(dst []byte) {
+    if x.Name.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(x),  uintptr(x.SizeBytes()))
+    } else {
+        // Type XTEntryTarget doesn't have a packed layout in memory, fallback to MarshalBytes.
+        x.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (x *XTEntryTarget) UnmarshalUnsafe(src []byte) {
+    if x.Name.Packed() {
+        gohacks.Memmove(unsafe.Pointer(x), unsafe.Pointer(&src[0]), uintptr(x.SizeBytes()))
+    } else {
+        // Type XTEntryTarget doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        x.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (x *XTEntryTarget) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !x.Name.Packed() {
+        // Type XTEntryTarget doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(x.SizeBytes()) // escapes: okay.
+        x.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (x *XTEntryTarget) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return x.CopyOutN(cc, addr, x.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (x *XTEntryTarget) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !x.Name.Packed() {
+        // Type XTEntryTarget doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(x.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        x.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (x *XTEntryTarget) WriteTo(writer io.Writer) (int64, error) {
+    if !x.Name.Packed() {
+        // Type XTEntryTarget doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, x.SizeBytes())
+        x.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (x *XTErrorTarget) SizeBytes() int {
+    return 0 +
+        (*XTEntryTarget)(nil).SizeBytes() +
+        (*ErrorName)(nil).SizeBytes() +
+        1*2
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (x *XTErrorTarget) MarshalBytes(dst []byte) {
+    x.Target.MarshalBytes(dst[:x.Target.SizeBytes()])
+    dst = dst[x.Target.SizeBytes():]
+    x.Name.MarshalBytes(dst[:x.Name.SizeBytes()])
+    dst = dst[x.Name.SizeBytes():]
+    // Padding: dst[:sizeof(byte)*2] ~= [2]byte{0}
+    dst = dst[1*(2):]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (x *XTErrorTarget) UnmarshalBytes(src []byte) {
+    x.Target.UnmarshalBytes(src[:x.Target.SizeBytes()])
+    src = src[x.Target.SizeBytes():]
+    x.Name.UnmarshalBytes(src[:x.Name.SizeBytes()])
+    src = src[x.Name.SizeBytes():]
+    // Padding: ~ copy([2]byte(x._), src[:sizeof(byte)*2])
+    src = src[1*(2):]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (x *XTErrorTarget) Packed() bool {
+    return x.Name.Packed() && x.Target.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (x *XTErrorTarget) MarshalUnsafe(dst []byte) {
+    if x.Name.Packed() && x.Target.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(x),  uintptr(x.SizeBytes()))
+    } else {
+        // Type XTErrorTarget doesn't have a packed layout in memory, fallback to MarshalBytes.
+        x.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (x *XTErrorTarget) UnmarshalUnsafe(src []byte) {
+    if x.Name.Packed() && x.Target.Packed() {
+        gohacks.Memmove(unsafe.Pointer(x), unsafe.Pointer(&src[0]), uintptr(x.SizeBytes()))
+    } else {
+        // Type XTErrorTarget doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        x.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (x *XTErrorTarget) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !x.Name.Packed() && x.Target.Packed() {
+        // Type XTErrorTarget doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(x.SizeBytes()) // escapes: okay.
+        x.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (x *XTErrorTarget) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return x.CopyOutN(cc, addr, x.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (x *XTErrorTarget) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !x.Name.Packed() && x.Target.Packed() {
+        // Type XTErrorTarget doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(x.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        x.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (x *XTErrorTarget) WriteTo(writer io.Writer) (int64, error) {
+    if !x.Name.Packed() && x.Target.Packed() {
+        // Type XTErrorTarget doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, x.SizeBytes())
+        x.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (x *XTGetRevision) SizeBytes() int {
+    return 1 +
+        (*ExtensionName)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (x *XTGetRevision) MarshalBytes(dst []byte) {
+    x.Name.MarshalBytes(dst[:x.Name.SizeBytes()])
+    dst = dst[x.Name.SizeBytes():]
+    dst[0] = byte(x.Revision)
+    dst = dst[1:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (x *XTGetRevision) UnmarshalBytes(src []byte) {
+    x.Name.UnmarshalBytes(src[:x.Name.SizeBytes()])
+    src = src[x.Name.SizeBytes():]
+    x.Revision = uint8(src[0])
+    src = src[1:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (x *XTGetRevision) Packed() bool {
+    return x.Name.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (x *XTGetRevision) MarshalUnsafe(dst []byte) {
+    if x.Name.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(x),  uintptr(x.SizeBytes()))
+    } else {
+        // Type XTGetRevision doesn't have a packed layout in memory, fallback to MarshalBytes.
+        x.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (x *XTGetRevision) UnmarshalUnsafe(src []byte) {
+    if x.Name.Packed() {
+        gohacks.Memmove(unsafe.Pointer(x), unsafe.Pointer(&src[0]), uintptr(x.SizeBytes()))
+    } else {
+        // Type XTGetRevision doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        x.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (x *XTGetRevision) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !x.Name.Packed() {
+        // Type XTGetRevision doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(x.SizeBytes()) // escapes: okay.
+        x.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (x *XTGetRevision) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return x.CopyOutN(cc, addr, x.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (x *XTGetRevision) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !x.Name.Packed() {
+        // Type XTGetRevision doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(x.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        x.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (x *XTGetRevision) WriteTo(writer io.Writer) (int64, error) {
+    if !x.Name.Packed() {
+        // Type XTGetRevision doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, x.SizeBytes())
+        x.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (x *XTRedirectTarget) SizeBytes() int {
+    return 0 +
+        (*XTEntryTarget)(nil).SizeBytes() +
+        (*NfNATIPV4MultiRangeCompat)(nil).SizeBytes() +
+        1*4
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (x *XTRedirectTarget) MarshalBytes(dst []byte) {
+    x.Target.MarshalBytes(dst[:x.Target.SizeBytes()])
+    dst = dst[x.Target.SizeBytes():]
+    x.NfRange.MarshalBytes(dst[:x.NfRange.SizeBytes()])
+    dst = dst[x.NfRange.SizeBytes():]
+    // Padding: dst[:sizeof(byte)*4] ~= [4]byte{0}
+    dst = dst[1*(4):]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (x *XTRedirectTarget) UnmarshalBytes(src []byte) {
+    x.Target.UnmarshalBytes(src[:x.Target.SizeBytes()])
+    src = src[x.Target.SizeBytes():]
+    x.NfRange.UnmarshalBytes(src[:x.NfRange.SizeBytes()])
+    src = src[x.NfRange.SizeBytes():]
+    // Padding: ~ copy([4]byte(x._), src[:sizeof(byte)*4])
+    src = src[1*(4):]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (x *XTRedirectTarget) Packed() bool {
+    return x.NfRange.Packed() && x.Target.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (x *XTRedirectTarget) MarshalUnsafe(dst []byte) {
+    if x.NfRange.Packed() && x.Target.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(x),  uintptr(x.SizeBytes()))
+    } else {
+        // Type XTRedirectTarget doesn't have a packed layout in memory, fallback to MarshalBytes.
+        x.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (x *XTRedirectTarget) UnmarshalUnsafe(src []byte) {
+    if x.NfRange.Packed() && x.Target.Packed() {
+        gohacks.Memmove(unsafe.Pointer(x), unsafe.Pointer(&src[0]), uintptr(x.SizeBytes()))
+    } else {
+        // Type XTRedirectTarget doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        x.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (x *XTRedirectTarget) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !x.NfRange.Packed() && x.Target.Packed() {
+        // Type XTRedirectTarget doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(x.SizeBytes()) // escapes: okay.
+        x.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (x *XTRedirectTarget) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return x.CopyOutN(cc, addr, x.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (x *XTRedirectTarget) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !x.NfRange.Packed() && x.Target.Packed() {
+        // Type XTRedirectTarget doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(x.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        x.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (x *XTRedirectTarget) WriteTo(writer io.Writer) (int64, error) {
+    if !x.NfRange.Packed() && x.Target.Packed() {
+        // Type XTRedirectTarget doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, x.SizeBytes())
+        x.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (x *XTSNATTarget) SizeBytes() int {
+    return 0 +
+        (*XTEntryTarget)(nil).SizeBytes() +
+        (*NfNATIPV4MultiRangeCompat)(nil).SizeBytes() +
+        1*4
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (x *XTSNATTarget) MarshalBytes(dst []byte) {
+    x.Target.MarshalBytes(dst[:x.Target.SizeBytes()])
+    dst = dst[x.Target.SizeBytes():]
+    x.NfRange.MarshalBytes(dst[:x.NfRange.SizeBytes()])
+    dst = dst[x.NfRange.SizeBytes():]
+    // Padding: dst[:sizeof(byte)*4] ~= [4]byte{0}
+    dst = dst[1*(4):]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (x *XTSNATTarget) UnmarshalBytes(src []byte) {
+    x.Target.UnmarshalBytes(src[:x.Target.SizeBytes()])
+    src = src[x.Target.SizeBytes():]
+    x.NfRange.UnmarshalBytes(src[:x.NfRange.SizeBytes()])
+    src = src[x.NfRange.SizeBytes():]
+    // Padding: ~ copy([4]byte(x._), src[:sizeof(byte)*4])
+    src = src[1*(4):]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (x *XTSNATTarget) Packed() bool {
+    return x.NfRange.Packed() && x.Target.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (x *XTSNATTarget) MarshalUnsafe(dst []byte) {
+    if x.NfRange.Packed() && x.Target.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(x),  uintptr(x.SizeBytes()))
+    } else {
+        // Type XTSNATTarget doesn't have a packed layout in memory, fallback to MarshalBytes.
+        x.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (x *XTSNATTarget) UnmarshalUnsafe(src []byte) {
+    if x.NfRange.Packed() && x.Target.Packed() {
+        gohacks.Memmove(unsafe.Pointer(x), unsafe.Pointer(&src[0]), uintptr(x.SizeBytes()))
+    } else {
+        // Type XTSNATTarget doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        x.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (x *XTSNATTarget) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !x.NfRange.Packed() && x.Target.Packed() {
+        // Type XTSNATTarget doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(x.SizeBytes()) // escapes: okay.
+        x.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (x *XTSNATTarget) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return x.CopyOutN(cc, addr, x.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (x *XTSNATTarget) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !x.NfRange.Packed() && x.Target.Packed() {
+        // Type XTSNATTarget doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(x.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        x.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (x *XTSNATTarget) WriteTo(writer io.Writer) (int64, error) {
+    if !x.NfRange.Packed() && x.Target.Packed() {
+        // Type XTSNATTarget doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, x.SizeBytes())
+        x.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (x *XTStandardTarget) SizeBytes() int {
+    return 4 +
+        (*XTEntryTarget)(nil).SizeBytes() +
+        1*4
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (x *XTStandardTarget) MarshalBytes(dst []byte) {
+    x.Target.MarshalBytes(dst[:x.Target.SizeBytes()])
+    dst = dst[x.Target.SizeBytes():]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(x.Verdict))
+    dst = dst[4:]
+    // Padding: dst[:sizeof(byte)*4] ~= [4]byte{0}
+    dst = dst[1*(4):]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (x *XTStandardTarget) UnmarshalBytes(src []byte) {
+    x.Target.UnmarshalBytes(src[:x.Target.SizeBytes()])
+    src = src[x.Target.SizeBytes():]
+    x.Verdict = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    // Padding: ~ copy([4]byte(x._), src[:sizeof(byte)*4])
+    src = src[1*(4):]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (x *XTStandardTarget) Packed() bool {
+    return x.Target.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (x *XTStandardTarget) MarshalUnsafe(dst []byte) {
+    if x.Target.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(x),  uintptr(x.SizeBytes()))
+    } else {
+        // Type XTStandardTarget doesn't have a packed layout in memory, fallback to MarshalBytes.
+        x.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (x *XTStandardTarget) UnmarshalUnsafe(src []byte) {
+    if x.Target.Packed() {
+        gohacks.Memmove(unsafe.Pointer(x), unsafe.Pointer(&src[0]), uintptr(x.SizeBytes()))
+    } else {
+        // Type XTStandardTarget doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        x.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (x *XTStandardTarget) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !x.Target.Packed() {
+        // Type XTStandardTarget doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(x.SizeBytes()) // escapes: okay.
+        x.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (x *XTStandardTarget) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return x.CopyOutN(cc, addr, x.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (x *XTStandardTarget) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !x.Target.Packed() {
+        // Type XTStandardTarget doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(x.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        x.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (x *XTStandardTarget) WriteTo(writer io.Writer) (int64, error) {
+    if !x.Target.Packed() {
+        // Type XTStandardTarget doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, x.SizeBytes())
+        x.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (x *XTTCP) SizeBytes() int {
+    return 12
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (x *XTTCP) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(x.SourcePortStart))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(x.SourcePortEnd))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(x.DestinationPortStart))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(x.DestinationPortEnd))
+    dst = dst[2:]
+    dst[0] = byte(x.Option)
+    dst = dst[1:]
+    dst[0] = byte(x.FlagMask)
+    dst = dst[1:]
+    dst[0] = byte(x.FlagCompare)
+    dst = dst[1:]
+    dst[0] = byte(x.InverseFlags)
+    dst = dst[1:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (x *XTTCP) UnmarshalBytes(src []byte) {
+    x.SourcePortStart = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    x.SourcePortEnd = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    x.DestinationPortStart = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    x.DestinationPortEnd = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    x.Option = uint8(src[0])
+    src = src[1:]
+    x.FlagMask = uint8(src[0])
+    src = src[1:]
+    x.FlagCompare = uint8(src[0])
+    src = src[1:]
+    x.InverseFlags = uint8(src[0])
+    src = src[1:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (x *XTTCP) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (x *XTTCP) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(x),  uintptr(x.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (x *XTTCP) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(x), unsafe.Pointer(&src[0]), uintptr(x.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (x *XTTCP) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (x *XTTCP) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return x.CopyOutN(cc, addr, x.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (x *XTTCP) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (x *XTTCP) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (x *XTUDP) SizeBytes() int {
+    return 10
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (x *XTUDP) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(x.SourcePortStart))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(x.SourcePortEnd))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(x.DestinationPortStart))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(x.DestinationPortEnd))
+    dst = dst[2:]
+    dst[0] = byte(x.InverseFlags)
+    dst = dst[1:]
+    // Padding: dst[:sizeof(uint8)] ~= uint8(0)
+    dst = dst[1:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (x *XTUDP) UnmarshalBytes(src []byte) {
+    x.SourcePortStart = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    x.SourcePortEnd = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    x.DestinationPortStart = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    x.DestinationPortEnd = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    x.InverseFlags = uint8(src[0])
+    src = src[1:]
+    // Padding: var _ uint8 ~= src[:sizeof(uint8)]
+    src = src[1:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (x *XTUDP) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (x *XTUDP) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(x),  uintptr(x.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (x *XTUDP) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(x), unsafe.Pointer(&src[0]), uintptr(x.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (x *XTUDP) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (x *XTUDP) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return x.CopyOutN(cc, addr, x.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (x *XTUDP) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (x *XTUDP) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (i *IP6TEntry) SizeBytes() int {
+    return 12 +
+        (*IP6TIP)(nil).SizeBytes() +
+        1*4 +
+        (*XTCounters)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (i *IP6TEntry) MarshalBytes(dst []byte) {
+    i.IPv6.MarshalBytes(dst[:i.IPv6.SizeBytes()])
+    dst = dst[i.IPv6.SizeBytes():]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.NFCache))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(i.TargetOffset))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(i.NextOffset))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.Comeback))
+    dst = dst[4:]
+    // Padding: dst[:sizeof(byte)*4] ~= [4]byte{0}
+    dst = dst[1*(4):]
+    i.Counters.MarshalBytes(dst[:i.Counters.SizeBytes()])
+    dst = dst[i.Counters.SizeBytes():]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (i *IP6TEntry) UnmarshalBytes(src []byte) {
+    i.IPv6.UnmarshalBytes(src[:i.IPv6.SizeBytes()])
+    src = src[i.IPv6.SizeBytes():]
+    i.NFCache = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    i.TargetOffset = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    i.NextOffset = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    i.Comeback = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    // Padding: ~ copy([4]byte(i._), src[:sizeof(byte)*4])
+    src = src[1*(4):]
+    i.Counters.UnmarshalBytes(src[:i.Counters.SizeBytes()])
+    src = src[i.Counters.SizeBytes():]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (i *IP6TEntry) Packed() bool {
+    return i.Counters.Packed() && i.IPv6.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (i *IP6TEntry) MarshalUnsafe(dst []byte) {
+    if i.Counters.Packed() && i.IPv6.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(i),  uintptr(i.SizeBytes()))
+    } else {
+        // Type IP6TEntry doesn't have a packed layout in memory, fallback to MarshalBytes.
+        i.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (i *IP6TEntry) UnmarshalUnsafe(src []byte) {
+    if i.Counters.Packed() && i.IPv6.Packed() {
+        gohacks.Memmove(unsafe.Pointer(i), unsafe.Pointer(&src[0]), uintptr(i.SizeBytes()))
+    } else {
+        // Type IP6TEntry doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        i.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (i *IP6TEntry) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !i.Counters.Packed() && i.IPv6.Packed() {
+        // Type IP6TEntry doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+        i.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (i *IP6TEntry) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return i.CopyOutN(cc, addr, i.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (i *IP6TEntry) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !i.Counters.Packed() && i.IPv6.Packed() {
+        // Type IP6TEntry doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        i.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (i *IP6TEntry) WriteTo(writer io.Writer) (int64, error) {
+    if !i.Counters.Packed() && i.IPv6.Packed() {
+        // Type IP6TEntry doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, i.SizeBytes())
+        i.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (i *IP6TIP) SizeBytes() int {
+    return 5 +
+        (*Inet6Addr)(nil).SizeBytes() +
+        (*Inet6Addr)(nil).SizeBytes() +
+        (*Inet6Addr)(nil).SizeBytes() +
+        (*Inet6Addr)(nil).SizeBytes() +
+        1*IFNAMSIZ +
+        1*IFNAMSIZ +
+        1*IFNAMSIZ +
+        1*IFNAMSIZ +
+        1*3
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (i *IP6TIP) MarshalBytes(dst []byte) {
+    i.Src.MarshalBytes(dst[:i.Src.SizeBytes()])
+    dst = dst[i.Src.SizeBytes():]
+    i.Dst.MarshalBytes(dst[:i.Dst.SizeBytes()])
+    dst = dst[i.Dst.SizeBytes():]
+    i.SrcMask.MarshalBytes(dst[:i.SrcMask.SizeBytes()])
+    dst = dst[i.SrcMask.SizeBytes():]
+    i.DstMask.MarshalBytes(dst[:i.DstMask.SizeBytes()])
+    dst = dst[i.DstMask.SizeBytes():]
+    for idx := 0; idx < IFNAMSIZ; idx++ {
+        dst[0] = byte(i.InputInterface[idx])
+        dst = dst[1:]
+    }
+    for idx := 0; idx < IFNAMSIZ; idx++ {
+        dst[0] = byte(i.OutputInterface[idx])
+        dst = dst[1:]
+    }
+    for idx := 0; idx < IFNAMSIZ; idx++ {
+        dst[0] = byte(i.InputInterfaceMask[idx])
+        dst = dst[1:]
+    }
+    for idx := 0; idx < IFNAMSIZ; idx++ {
+        dst[0] = byte(i.OutputInterfaceMask[idx])
+        dst = dst[1:]
+    }
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(i.Protocol))
+    dst = dst[2:]
+    dst[0] = byte(i.TOS)
+    dst = dst[1:]
+    dst[0] = byte(i.Flags)
+    dst = dst[1:]
+    dst[0] = byte(i.InverseFlags)
+    dst = dst[1:]
+    // Padding: dst[:sizeof(byte)*3] ~= [3]byte{0}
+    dst = dst[1*(3):]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (i *IP6TIP) UnmarshalBytes(src []byte) {
+    i.Src.UnmarshalBytes(src[:i.Src.SizeBytes()])
+    src = src[i.Src.SizeBytes():]
+    i.Dst.UnmarshalBytes(src[:i.Dst.SizeBytes()])
+    src = src[i.Dst.SizeBytes():]
+    i.SrcMask.UnmarshalBytes(src[:i.SrcMask.SizeBytes()])
+    src = src[i.SrcMask.SizeBytes():]
+    i.DstMask.UnmarshalBytes(src[:i.DstMask.SizeBytes()])
+    src = src[i.DstMask.SizeBytes():]
+    for idx := 0; idx < IFNAMSIZ; idx++ {
+        i.InputInterface[idx] = src[0]
+        src = src[1:]
+    }
+    for idx := 0; idx < IFNAMSIZ; idx++ {
+        i.OutputInterface[idx] = src[0]
+        src = src[1:]
+    }
+    for idx := 0; idx < IFNAMSIZ; idx++ {
+        i.InputInterfaceMask[idx] = src[0]
+        src = src[1:]
+    }
+    for idx := 0; idx < IFNAMSIZ; idx++ {
+        i.OutputInterfaceMask[idx] = src[0]
+        src = src[1:]
+    }
+    i.Protocol = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    i.TOS = uint8(src[0])
+    src = src[1:]
+    i.Flags = uint8(src[0])
+    src = src[1:]
+    i.InverseFlags = uint8(src[0])
+    src = src[1:]
+    // Padding: ~ copy([3]byte(i._), src[:sizeof(byte)*3])
+    src = src[1*(3):]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (i *IP6TIP) Packed() bool {
+    return i.Dst.Packed() && i.DstMask.Packed() && i.Src.Packed() && i.SrcMask.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (i *IP6TIP) MarshalUnsafe(dst []byte) {
+    if i.Dst.Packed() && i.DstMask.Packed() && i.Src.Packed() && i.SrcMask.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(i),  uintptr(i.SizeBytes()))
+    } else {
+        // Type IP6TIP doesn't have a packed layout in memory, fallback to MarshalBytes.
+        i.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (i *IP6TIP) UnmarshalUnsafe(src []byte) {
+    if i.Dst.Packed() && i.DstMask.Packed() && i.Src.Packed() && i.SrcMask.Packed() {
+        gohacks.Memmove(unsafe.Pointer(i), unsafe.Pointer(&src[0]), uintptr(i.SizeBytes()))
+    } else {
+        // Type IP6TIP doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        i.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (i *IP6TIP) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !i.Dst.Packed() && i.DstMask.Packed() && i.Src.Packed() && i.SrcMask.Packed() {
+        // Type IP6TIP doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+        i.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (i *IP6TIP) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return i.CopyOutN(cc, addr, i.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (i *IP6TIP) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !i.Dst.Packed() && i.DstMask.Packed() && i.Src.Packed() && i.SrcMask.Packed() {
+        // Type IP6TIP doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        i.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (i *IP6TIP) WriteTo(writer io.Writer) (int64, error) {
+    if !i.Dst.Packed() && i.DstMask.Packed() && i.Src.Packed() && i.SrcMask.Packed() {
+        // Type IP6TIP doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, i.SizeBytes())
+        i.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (i *IP6TReplace) SizeBytes() int {
+    return 24 +
+        (*TableName)(nil).SizeBytes() +
+        4*NF_INET_NUMHOOKS +
+        4*NF_INET_NUMHOOKS
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (i *IP6TReplace) MarshalBytes(dst []byte) {
+    i.Name.MarshalBytes(dst[:i.Name.SizeBytes()])
+    dst = dst[i.Name.SizeBytes():]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.ValidHooks))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.NumEntries))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.Size))
+    dst = dst[4:]
+    for idx := 0; idx < NF_INET_NUMHOOKS; idx++ {
+        hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.HookEntry[idx]))
+        dst = dst[4:]
+    }
+    for idx := 0; idx < NF_INET_NUMHOOKS; idx++ {
+        hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.Underflow[idx]))
+        dst = dst[4:]
+    }
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.NumCounters))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(i.Counters))
+    dst = dst[8:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (i *IP6TReplace) UnmarshalBytes(src []byte) {
+    i.Name.UnmarshalBytes(src[:i.Name.SizeBytes()])
+    src = src[i.Name.SizeBytes():]
+    i.ValidHooks = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    i.NumEntries = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    i.Size = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    for idx := 0; idx < NF_INET_NUMHOOKS; idx++ {
+        i.HookEntry[idx] = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+        src = src[4:]
+    }
+    for idx := 0; idx < NF_INET_NUMHOOKS; idx++ {
+        i.Underflow[idx] = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+        src = src[4:]
+    }
+    i.NumCounters = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    i.Counters = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (i *IP6TReplace) Packed() bool {
+    return i.Name.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (i *IP6TReplace) MarshalUnsafe(dst []byte) {
+    if i.Name.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(i),  uintptr(i.SizeBytes()))
+    } else {
+        // Type IP6TReplace doesn't have a packed layout in memory, fallback to MarshalBytes.
+        i.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (i *IP6TReplace) UnmarshalUnsafe(src []byte) {
+    if i.Name.Packed() {
+        gohacks.Memmove(unsafe.Pointer(i), unsafe.Pointer(&src[0]), uintptr(i.SizeBytes()))
+    } else {
+        // Type IP6TReplace doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        i.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (i *IP6TReplace) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !i.Name.Packed() {
+        // Type IP6TReplace doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+        i.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (i *IP6TReplace) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return i.CopyOutN(cc, addr, i.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (i *IP6TReplace) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !i.Name.Packed() {
+        // Type IP6TReplace doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        i.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (i *IP6TReplace) WriteTo(writer io.Writer) (int64, error) {
+    if !i.Name.Packed() {
+        // Type IP6TReplace doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, i.SizeBytes())
+        i.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (ke *KernelIP6TEntry) Packed() bool {
+    // Type KernelIP6TEntry is dynamic so it might have slice/string headers. Hence, it is not packed.
+    return false
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (ke *KernelIP6TEntry) MarshalUnsafe(dst []byte) {
+    // Type KernelIP6TEntry doesn't have a packed layout in memory, fallback to MarshalBytes.
+    ke.MarshalBytes(dst)
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (ke *KernelIP6TEntry) UnmarshalUnsafe(src []byte) {
+    // Type KernelIP6TEntry doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+    ke.UnmarshalBytes(src)
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (ke *KernelIP6TEntry) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Type KernelIP6TEntry doesn't have a packed layout in memory, fall back to MarshalBytes.
+    buf := cc.CopyScratchBuffer(ke.SizeBytes()) // escapes: okay.
+    ke.MarshalBytes(buf) // escapes: fallback.
+    return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (ke *KernelIP6TEntry) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return ke.CopyOutN(cc, addr, ke.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (ke *KernelIP6TEntry) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Type KernelIP6TEntry doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+    buf := cc.CopyScratchBuffer(ke.SizeBytes()) // escapes: okay.
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Unmarshal unconditionally. If we had a short copy-in, this results in a
+    // partially unmarshalled struct.
+    ke.UnmarshalBytes(buf) // escapes: fallback.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (ke *KernelIP6TEntry) WriteTo(writer io.Writer) (int64, error) {
+    // Type KernelIP6TEntry doesn't have a packed layout in memory, fall back to MarshalBytes.
+    buf := make([]byte, ke.SizeBytes())
+    ke.MarshalBytes(buf)
+    length, err := writer.Write(buf)
+    return int64(length), err
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (ke *KernelIP6TGetEntries) Packed() bool {
+    // Type KernelIP6TGetEntries is dynamic so it might have slice/string headers. Hence, it is not packed.
+    return false
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (ke *KernelIP6TGetEntries) MarshalUnsafe(dst []byte) {
+    // Type KernelIP6TGetEntries doesn't have a packed layout in memory, fallback to MarshalBytes.
+    ke.MarshalBytes(dst)
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (ke *KernelIP6TGetEntries) UnmarshalUnsafe(src []byte) {
+    // Type KernelIP6TGetEntries doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+    ke.UnmarshalBytes(src)
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (ke *KernelIP6TGetEntries) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Type KernelIP6TGetEntries doesn't have a packed layout in memory, fall back to MarshalBytes.
+    buf := cc.CopyScratchBuffer(ke.SizeBytes()) // escapes: okay.
+    ke.MarshalBytes(buf) // escapes: fallback.
+    return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (ke *KernelIP6TGetEntries) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return ke.CopyOutN(cc, addr, ke.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (ke *KernelIP6TGetEntries) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Type KernelIP6TGetEntries doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+    buf := cc.CopyScratchBuffer(ke.SizeBytes()) // escapes: okay.
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Unmarshal unconditionally. If we had a short copy-in, this results in a
+    // partially unmarshalled struct.
+    ke.UnmarshalBytes(buf) // escapes: fallback.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (ke *KernelIP6TGetEntries) WriteTo(writer io.Writer) (int64, error) {
+    // Type KernelIP6TGetEntries doesn't have a packed layout in memory, fall back to MarshalBytes.
+    buf := make([]byte, ke.SizeBytes())
+    ke.MarshalBytes(buf)
+    length, err := writer.Write(buf)
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (n *NFNATRange) SizeBytes() int {
+    return 8 +
+        (*Inet6Addr)(nil).SizeBytes() +
+        (*Inet6Addr)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (n *NFNATRange) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(n.Flags))
+    dst = dst[4:]
+    n.MinAddr.MarshalBytes(dst[:n.MinAddr.SizeBytes()])
+    dst = dst[n.MinAddr.SizeBytes():]
+    n.MaxAddr.MarshalBytes(dst[:n.MaxAddr.SizeBytes()])
+    dst = dst[n.MaxAddr.SizeBytes():]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(n.MinProto))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(n.MaxProto))
+    dst = dst[2:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (n *NFNATRange) UnmarshalBytes(src []byte) {
+    n.Flags = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    n.MinAddr.UnmarshalBytes(src[:n.MinAddr.SizeBytes()])
+    src = src[n.MinAddr.SizeBytes():]
+    n.MaxAddr.UnmarshalBytes(src[:n.MaxAddr.SizeBytes()])
+    src = src[n.MaxAddr.SizeBytes():]
+    n.MinProto = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    n.MaxProto = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (n *NFNATRange) Packed() bool {
+    return n.MaxAddr.Packed() && n.MinAddr.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (n *NFNATRange) MarshalUnsafe(dst []byte) {
+    if n.MaxAddr.Packed() && n.MinAddr.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(n),  uintptr(n.SizeBytes()))
+    } else {
+        // Type NFNATRange doesn't have a packed layout in memory, fallback to MarshalBytes.
+        n.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (n *NFNATRange) UnmarshalUnsafe(src []byte) {
+    if n.MaxAddr.Packed() && n.MinAddr.Packed() {
+        gohacks.Memmove(unsafe.Pointer(n), unsafe.Pointer(&src[0]), uintptr(n.SizeBytes()))
+    } else {
+        // Type NFNATRange doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        n.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (n *NFNATRange) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !n.MaxAddr.Packed() && n.MinAddr.Packed() {
+        // Type NFNATRange doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(n.SizeBytes()) // escapes: okay.
+        n.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (n *NFNATRange) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return n.CopyOutN(cc, addr, n.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (n *NFNATRange) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !n.MaxAddr.Packed() && n.MinAddr.Packed() {
+        // Type NFNATRange doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(n.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        n.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (n *NFNATRange) WriteTo(writer io.Writer) (int64, error) {
+    if !n.MaxAddr.Packed() && n.MinAddr.Packed() {
+        // Type NFNATRange doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, n.SizeBytes())
+        n.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (n *NetlinkAttrHeader) SizeBytes() int {
+    return 4
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (n *NetlinkAttrHeader) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(n.Length))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(n.Type))
+    dst = dst[2:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (n *NetlinkAttrHeader) UnmarshalBytes(src []byte) {
+    n.Length = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    n.Type = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (n *NetlinkAttrHeader) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (n *NetlinkAttrHeader) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(n),  uintptr(n.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (n *NetlinkAttrHeader) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(n), unsafe.Pointer(&src[0]), uintptr(n.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (n *NetlinkAttrHeader) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (n *NetlinkAttrHeader) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return n.CopyOutN(cc, addr, n.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (n *NetlinkAttrHeader) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (n *NetlinkAttrHeader) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (n *NetlinkErrorMessage) SizeBytes() int {
+    return 4 +
+        (*NetlinkMessageHeader)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (n *NetlinkErrorMessage) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(n.Error))
+    dst = dst[4:]
+    n.Header.MarshalBytes(dst[:n.Header.SizeBytes()])
+    dst = dst[n.Header.SizeBytes():]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (n *NetlinkErrorMessage) UnmarshalBytes(src []byte) {
+    n.Error = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    n.Header.UnmarshalBytes(src[:n.Header.SizeBytes()])
+    src = src[n.Header.SizeBytes():]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (n *NetlinkErrorMessage) Packed() bool {
+    return n.Header.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (n *NetlinkErrorMessage) MarshalUnsafe(dst []byte) {
+    if n.Header.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(n),  uintptr(n.SizeBytes()))
+    } else {
+        // Type NetlinkErrorMessage doesn't have a packed layout in memory, fallback to MarshalBytes.
+        n.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (n *NetlinkErrorMessage) UnmarshalUnsafe(src []byte) {
+    if n.Header.Packed() {
+        gohacks.Memmove(unsafe.Pointer(n), unsafe.Pointer(&src[0]), uintptr(n.SizeBytes()))
+    } else {
+        // Type NetlinkErrorMessage doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        n.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (n *NetlinkErrorMessage) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !n.Header.Packed() {
+        // Type NetlinkErrorMessage doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(n.SizeBytes()) // escapes: okay.
+        n.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (n *NetlinkErrorMessage) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return n.CopyOutN(cc, addr, n.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (n *NetlinkErrorMessage) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !n.Header.Packed() {
+        // Type NetlinkErrorMessage doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(n.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        n.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (n *NetlinkErrorMessage) WriteTo(writer io.Writer) (int64, error) {
+    if !n.Header.Packed() {
+        // Type NetlinkErrorMessage doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, n.SizeBytes())
+        n.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (n *NetlinkMessageHeader) SizeBytes() int {
+    return 16
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (n *NetlinkMessageHeader) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(n.Length))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(n.Type))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(n.Flags))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(n.Seq))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(n.PortID))
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (n *NetlinkMessageHeader) UnmarshalBytes(src []byte) {
+    n.Length = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    n.Type = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    n.Flags = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    n.Seq = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    n.PortID = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (n *NetlinkMessageHeader) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (n *NetlinkMessageHeader) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(n),  uintptr(n.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (n *NetlinkMessageHeader) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(n), unsafe.Pointer(&src[0]), uintptr(n.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (n *NetlinkMessageHeader) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (n *NetlinkMessageHeader) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return n.CopyOutN(cc, addr, n.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (n *NetlinkMessageHeader) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (n *NetlinkMessageHeader) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (s *SockAddrNetlink) SizeBytes() int {
+    return 12
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (s *SockAddrNetlink) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(s.Family))
+    dst = dst[2:]
+    // Padding: dst[:sizeof(uint16)] ~= uint16(0)
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.PortID))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.Groups))
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (s *SockAddrNetlink) UnmarshalBytes(src []byte) {
+    s.Family = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    // Padding: var _ uint16 ~= src[:sizeof(uint16)]
+    src = src[2:]
+    s.PortID = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.Groups = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (s *SockAddrNetlink) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (s *SockAddrNetlink) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(s),  uintptr(s.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (s *SockAddrNetlink) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(s), unsafe.Pointer(&src[0]), uintptr(s.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (s *SockAddrNetlink) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (s *SockAddrNetlink) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return s.CopyOutN(cc, addr, s.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (s *SockAddrNetlink) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (s *SockAddrNetlink) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (i *InterfaceAddrMessage) SizeBytes() int {
+    return 8
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (i *InterfaceAddrMessage) MarshalBytes(dst []byte) {
+    dst[0] = byte(i.Family)
+    dst = dst[1:]
+    dst[0] = byte(i.PrefixLen)
+    dst = dst[1:]
+    dst[0] = byte(i.Flags)
+    dst = dst[1:]
+    dst[0] = byte(i.Scope)
+    dst = dst[1:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.Index))
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (i *InterfaceAddrMessage) UnmarshalBytes(src []byte) {
+    i.Family = uint8(src[0])
+    src = src[1:]
+    i.PrefixLen = uint8(src[0])
+    src = src[1:]
+    i.Flags = uint8(src[0])
+    src = src[1:]
+    i.Scope = uint8(src[0])
+    src = src[1:]
+    i.Index = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (i *InterfaceAddrMessage) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (i *InterfaceAddrMessage) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(i),  uintptr(i.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (i *InterfaceAddrMessage) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(i), unsafe.Pointer(&src[0]), uintptr(i.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (i *InterfaceAddrMessage) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (i *InterfaceAddrMessage) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return i.CopyOutN(cc, addr, i.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (i *InterfaceAddrMessage) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (i *InterfaceAddrMessage) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (i *InterfaceInfoMessage) SizeBytes() int {
+    return 16
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (i *InterfaceInfoMessage) MarshalBytes(dst []byte) {
+    dst[0] = byte(i.Family)
+    dst = dst[1:]
+    // Padding: dst[:sizeof(uint8)] ~= uint8(0)
+    dst = dst[1:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(i.Type))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.Index))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.Flags))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.Change))
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (i *InterfaceInfoMessage) UnmarshalBytes(src []byte) {
+    i.Family = uint8(src[0])
+    src = src[1:]
+    // Padding: var _ uint8 ~= src[:sizeof(uint8)]
+    src = src[1:]
+    i.Type = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    i.Index = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    i.Flags = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    i.Change = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (i *InterfaceInfoMessage) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (i *InterfaceInfoMessage) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(i),  uintptr(i.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (i *InterfaceInfoMessage) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(i), unsafe.Pointer(&src[0]), uintptr(i.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (i *InterfaceInfoMessage) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (i *InterfaceInfoMessage) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return i.CopyOutN(cc, addr, i.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (i *InterfaceInfoMessage) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (i *InterfaceInfoMessage) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (r *RouteMessage) SizeBytes() int {
+    return 12
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (r *RouteMessage) MarshalBytes(dst []byte) {
+    dst[0] = byte(r.Family)
+    dst = dst[1:]
+    dst[0] = byte(r.DstLen)
+    dst = dst[1:]
+    dst[0] = byte(r.SrcLen)
+    dst = dst[1:]
+    dst[0] = byte(r.TOS)
+    dst = dst[1:]
+    dst[0] = byte(r.Table)
+    dst = dst[1:]
+    dst[0] = byte(r.Protocol)
+    dst = dst[1:]
+    dst[0] = byte(r.Scope)
+    dst = dst[1:]
+    dst[0] = byte(r.Type)
+    dst = dst[1:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(r.Flags))
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (r *RouteMessage) UnmarshalBytes(src []byte) {
+    r.Family = uint8(src[0])
+    src = src[1:]
+    r.DstLen = uint8(src[0])
+    src = src[1:]
+    r.SrcLen = uint8(src[0])
+    src = src[1:]
+    r.TOS = uint8(src[0])
+    src = src[1:]
+    r.Table = uint8(src[0])
+    src = src[1:]
+    r.Protocol = uint8(src[0])
+    src = src[1:]
+    r.Scope = uint8(src[0])
+    src = src[1:]
+    r.Type = uint8(src[0])
+    src = src[1:]
+    r.Flags = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (r *RouteMessage) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (r *RouteMessage) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(r),  uintptr(r.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (r *RouteMessage) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(r), unsafe.Pointer(&src[0]), uintptr(r.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (r *RouteMessage) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(r)))
+    hdr.Len = r.SizeBytes()
+    hdr.Cap = r.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that r
+    // must live until the use above.
+    runtime.KeepAlive(r) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (r *RouteMessage) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return r.CopyOutN(cc, addr, r.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (r *RouteMessage) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(r)))
+    hdr.Len = r.SizeBytes()
+    hdr.Cap = r.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that r
+    // must live until the use above.
+    runtime.KeepAlive(r) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (r *RouteMessage) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(r)))
+    hdr.Len = r.SizeBytes()
+    hdr.Cap = r.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that r
+    // must live until the use above.
+    runtime.KeepAlive(r) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (p *PollFD) SizeBytes() int {
+    return 8
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (p *PollFD) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(p.FD))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(p.Events))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(p.REvents))
+    dst = dst[2:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (p *PollFD) UnmarshalBytes(src []byte) {
+    p.FD = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    p.Events = int16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    p.REvents = int16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (p *PollFD) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (p *PollFD) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(p),  uintptr(p.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (p *PollFD) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(p), unsafe.Pointer(&src[0]), uintptr(p.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (p *PollFD) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(p)))
+    hdr.Len = p.SizeBytes()
+    hdr.Cap = p.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that p
+    // must live until the use above.
+    runtime.KeepAlive(p) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (p *PollFD) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return p.CopyOutN(cc, addr, p.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (p *PollFD) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(p)))
+    hdr.Len = p.SizeBytes()
+    hdr.Cap = p.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that p
+    // must live until the use above.
+    runtime.KeepAlive(p) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (p *PollFD) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(p)))
+    hdr.Len = p.SizeBytes()
+    hdr.Cap = p.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that p
+    // must live until the use above.
+    runtime.KeepAlive(p) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// CopyPollFDSliceIn copies in a slice of PollFD objects from the task's memory.
+func CopyPollFDSliceIn(cc marshal.CopyContext, addr hostarch.Addr, dst []PollFD) (int, error) {
+    count := len(dst)
+    if count == 0 {
+        return 0, nil
+    }
+    size := (*PollFD)(nil).SizeBytes()
+
+    ptr := unsafe.Pointer(&dst)
+    val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data))
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(val)
+    hdr.Len = size * count
+    hdr.Cap = size * count
+
+    length, err := cc.CopyInBytes(addr, buf)
+    // Since we bypassed the compiler's escape analysis, indicate that dst
+    // must live until the use above.
+    runtime.KeepAlive(dst) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyPollFDSliceOut copies a slice of PollFD objects to the task's memory.
+func CopyPollFDSliceOut(cc marshal.CopyContext, addr hostarch.Addr, src []PollFD) (int, error) {
+    count := len(src)
+    if count == 0 {
+        return 0, nil
+    }
+    size := (*PollFD)(nil).SizeBytes()
+
+    ptr := unsafe.Pointer(&src)
+    val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data))
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(val)
+    hdr.Len = size * count
+    hdr.Cap = size * count
+
+    length, err := cc.CopyOutBytes(addr, buf)
+    // Since we bypassed the compiler's escape analysis, indicate that src
+    // must live until the use above.
+    runtime.KeepAlive(src) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// MarshalUnsafePollFDSlice is like PollFD.MarshalUnsafe, but for a []PollFD.
+func MarshalUnsafePollFDSlice(src []PollFD, dst []byte) (int, error) {
+    count := len(src)
+    if count == 0 {
+        return 0, nil
+    }
+    size := (*PollFD)(nil).SizeBytes()
+
+    dst = dst[:size*count]
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&src[0]), uintptr(len(dst)))
+    return size * count, nil
+}
+
+// UnmarshalUnsafePollFDSlice is like PollFD.UnmarshalUnsafe, but for a []PollFD.
+func UnmarshalUnsafePollFDSlice(dst []PollFD, src []byte) (int, error) {
+    count := len(dst)
+    if count == 0 {
+        return 0, nil
+    }
+    size := (*PollFD)(nil).SizeBytes()
+
+    src = src[:(size*count)]
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&src[0]), uintptr(len(src)))
+    return count*size, nil
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (r *RSeqCriticalSection) SizeBytes() int {
+    return 32
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (r *RSeqCriticalSection) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(r.Version))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(r.Flags))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(r.Start))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(r.PostCommitOffset))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(r.Abort))
+    dst = dst[8:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (r *RSeqCriticalSection) UnmarshalBytes(src []byte) {
+    r.Version = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    r.Flags = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    r.Start = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    r.PostCommitOffset = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    r.Abort = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (r *RSeqCriticalSection) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (r *RSeqCriticalSection) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(r),  uintptr(r.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (r *RSeqCriticalSection) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(r), unsafe.Pointer(&src[0]), uintptr(r.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (r *RSeqCriticalSection) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(r)))
+    hdr.Len = r.SizeBytes()
+    hdr.Cap = r.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that r
+    // must live until the use above.
+    runtime.KeepAlive(r) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (r *RSeqCriticalSection) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return r.CopyOutN(cc, addr, r.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (r *RSeqCriticalSection) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(r)))
+    hdr.Len = r.SizeBytes()
+    hdr.Cap = r.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that r
+    // must live until the use above.
+    runtime.KeepAlive(r) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (r *RSeqCriticalSection) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(r)))
+    hdr.Len = r.SizeBytes()
+    hdr.Cap = r.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that r
+    // must live until the use above.
+    runtime.KeepAlive(r) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (r *Rusage) SizeBytes() int {
+    return 112 +
+        (*Timeval)(nil).SizeBytes() +
+        (*Timeval)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (r *Rusage) MarshalBytes(dst []byte) {
+    r.UTime.MarshalBytes(dst[:r.UTime.SizeBytes()])
+    dst = dst[r.UTime.SizeBytes():]
+    r.STime.MarshalBytes(dst[:r.STime.SizeBytes()])
+    dst = dst[r.STime.SizeBytes():]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(r.MaxRSS))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(r.IXRSS))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(r.IDRSS))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(r.ISRSS))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(r.MinFlt))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(r.MajFlt))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(r.NSwap))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(r.InBlock))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(r.OuBlock))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(r.MsgSnd))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(r.MsgRcv))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(r.NSignals))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(r.NVCSw))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(r.NIvCSw))
+    dst = dst[8:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (r *Rusage) UnmarshalBytes(src []byte) {
+    r.UTime.UnmarshalBytes(src[:r.UTime.SizeBytes()])
+    src = src[r.UTime.SizeBytes():]
+    r.STime.UnmarshalBytes(src[:r.STime.SizeBytes()])
+    src = src[r.STime.SizeBytes():]
+    r.MaxRSS = int64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    r.IXRSS = int64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    r.IDRSS = int64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    r.ISRSS = int64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    r.MinFlt = int64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    r.MajFlt = int64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    r.NSwap = int64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    r.InBlock = int64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    r.OuBlock = int64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    r.MsgSnd = int64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    r.MsgRcv = int64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    r.NSignals = int64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    r.NVCSw = int64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    r.NIvCSw = int64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (r *Rusage) Packed() bool {
+    return r.STime.Packed() && r.UTime.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (r *Rusage) MarshalUnsafe(dst []byte) {
+    if r.STime.Packed() && r.UTime.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(r),  uintptr(r.SizeBytes()))
+    } else {
+        // Type Rusage doesn't have a packed layout in memory, fallback to MarshalBytes.
+        r.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (r *Rusage) UnmarshalUnsafe(src []byte) {
+    if r.STime.Packed() && r.UTime.Packed() {
+        gohacks.Memmove(unsafe.Pointer(r), unsafe.Pointer(&src[0]), uintptr(r.SizeBytes()))
+    } else {
+        // Type Rusage doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        r.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (r *Rusage) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !r.STime.Packed() && r.UTime.Packed() {
+        // Type Rusage doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(r.SizeBytes()) // escapes: okay.
+        r.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(r)))
+    hdr.Len = r.SizeBytes()
+    hdr.Cap = r.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that r
+    // must live until the use above.
+    runtime.KeepAlive(r) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (r *Rusage) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return r.CopyOutN(cc, addr, r.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (r *Rusage) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !r.STime.Packed() && r.UTime.Packed() {
+        // Type Rusage doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(r.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        r.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(r)))
+    hdr.Len = r.SizeBytes()
+    hdr.Cap = r.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that r
+    // must live until the use above.
+    runtime.KeepAlive(r) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (r *Rusage) WriteTo(writer io.Writer) (int64, error) {
+    if !r.STime.Packed() && r.UTime.Packed() {
+        // Type Rusage doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, r.SizeBytes())
+        r.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(r)))
+    hdr.Len = r.SizeBytes()
+    hdr.Cap = r.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that r
+    // must live until the use above.
+    runtime.KeepAlive(r) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (s *SeccompData) SizeBytes() int {
+    return 16 +
+        8*6
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (s *SeccompData) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.Nr))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.Arch))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.InstructionPointer))
+    dst = dst[8:]
+    for idx := 0; idx < 6; idx++ {
+        hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.Args[idx]))
+        dst = dst[8:]
+    }
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (s *SeccompData) UnmarshalBytes(src []byte) {
+    s.Nr = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.Arch = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.InstructionPointer = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    for idx := 0; idx < 6; idx++ {
+        s.Args[idx] = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+        src = src[8:]
+    }
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (s *SeccompData) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (s *SeccompData) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(s),  uintptr(s.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (s *SeccompData) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(s), unsafe.Pointer(&src[0]), uintptr(s.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (s *SeccompData) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (s *SeccompData) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return s.CopyOutN(cc, addr, s.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (s *SeccompData) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (s *SeccompData) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (s *SemInfo) SizeBytes() int {
+    return 40
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (s *SemInfo) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.SemMap))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.SemMni))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.SemMns))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.SemMnu))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.SemMsl))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.SemOpm))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.SemUme))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.SemUsz))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.SemVmx))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.SemAem))
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (s *SemInfo) UnmarshalBytes(src []byte) {
+    s.SemMap = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.SemMni = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.SemMns = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.SemMnu = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.SemMsl = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.SemOpm = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.SemUme = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.SemUsz = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.SemVmx = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.SemAem = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (s *SemInfo) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (s *SemInfo) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(s),  uintptr(s.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (s *SemInfo) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(s), unsafe.Pointer(&src[0]), uintptr(s.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (s *SemInfo) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (s *SemInfo) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return s.CopyOutN(cc, addr, s.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (s *SemInfo) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (s *SemInfo) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (s *Sembuf) SizeBytes() int {
+    return 6
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (s *Sembuf) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(s.SemNum))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(s.SemOp))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(s.SemFlg))
+    dst = dst[2:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (s *Sembuf) UnmarshalBytes(src []byte) {
+    s.SemNum = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    s.SemOp = int16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    s.SemFlg = int16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (s *Sembuf) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (s *Sembuf) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(s),  uintptr(s.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (s *Sembuf) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(s), unsafe.Pointer(&src[0]), uintptr(s.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (s *Sembuf) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (s *Sembuf) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return s.CopyOutN(cc, addr, s.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (s *Sembuf) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (s *Sembuf) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// CopySembufSliceIn copies in a slice of Sembuf objects from the task's memory.
+func CopySembufSliceIn(cc marshal.CopyContext, addr hostarch.Addr, dst []Sembuf) (int, error) {
+    count := len(dst)
+    if count == 0 {
+        return 0, nil
+    }
+    size := (*Sembuf)(nil).SizeBytes()
+
+    ptr := unsafe.Pointer(&dst)
+    val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data))
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(val)
+    hdr.Len = size * count
+    hdr.Cap = size * count
+
+    length, err := cc.CopyInBytes(addr, buf)
+    // Since we bypassed the compiler's escape analysis, indicate that dst
+    // must live until the use above.
+    runtime.KeepAlive(dst) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopySembufSliceOut copies a slice of Sembuf objects to the task's memory.
+func CopySembufSliceOut(cc marshal.CopyContext, addr hostarch.Addr, src []Sembuf) (int, error) {
+    count := len(src)
+    if count == 0 {
+        return 0, nil
+    }
+    size := (*Sembuf)(nil).SizeBytes()
+
+    ptr := unsafe.Pointer(&src)
+    val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data))
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(val)
+    hdr.Len = size * count
+    hdr.Cap = size * count
+
+    length, err := cc.CopyOutBytes(addr, buf)
+    // Since we bypassed the compiler's escape analysis, indicate that src
+    // must live until the use above.
+    runtime.KeepAlive(src) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// MarshalUnsafeSembufSlice is like Sembuf.MarshalUnsafe, but for a []Sembuf.
+func MarshalUnsafeSembufSlice(src []Sembuf, dst []byte) (int, error) {
+    count := len(src)
+    if count == 0 {
+        return 0, nil
+    }
+    size := (*Sembuf)(nil).SizeBytes()
+
+    dst = dst[:size*count]
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&src[0]), uintptr(len(dst)))
+    return size * count, nil
+}
+
+// UnmarshalUnsafeSembufSlice is like Sembuf.UnmarshalUnsafe, but for a []Sembuf.
+func UnmarshalUnsafeSembufSlice(dst []Sembuf, src []byte) (int, error) {
+    count := len(dst)
+    if count == 0 {
+        return 0, nil
+    }
+    size := (*Sembuf)(nil).SizeBytes()
+
+    src = src[:(size*count)]
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&src[0]), uintptr(len(src)))
+    return count*size, nil
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (s *ShmInfo) SizeBytes() int {
+    return 44 +
+        1*4
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (s *ShmInfo) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.UsedIDs))
+    dst = dst[4:]
+    // Padding: dst[:sizeof(byte)*4] ~= [4]byte{0}
+    dst = dst[1*(4):]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.ShmTot))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.ShmRss))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.ShmSwp))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.SwapAttempts))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.SwapSuccesses))
+    dst = dst[8:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (s *ShmInfo) UnmarshalBytes(src []byte) {
+    s.UsedIDs = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    // Padding: ~ copy([4]byte(s._), src[:sizeof(byte)*4])
+    src = src[1*(4):]
+    s.ShmTot = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.ShmRss = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.ShmSwp = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.SwapAttempts = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.SwapSuccesses = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (s *ShmInfo) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (s *ShmInfo) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(s),  uintptr(s.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (s *ShmInfo) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(s), unsafe.Pointer(&src[0]), uintptr(s.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (s *ShmInfo) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (s *ShmInfo) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return s.CopyOutN(cc, addr, s.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (s *ShmInfo) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (s *ShmInfo) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (s *ShmParams) SizeBytes() int {
+    return 40
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (s *ShmParams) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.ShmMax))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.ShmMin))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.ShmMni))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.ShmSeg))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.ShmAll))
+    dst = dst[8:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (s *ShmParams) UnmarshalBytes(src []byte) {
+    s.ShmMax = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.ShmMin = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.ShmMni = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.ShmSeg = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.ShmAll = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (s *ShmParams) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (s *ShmParams) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(s),  uintptr(s.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (s *ShmParams) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(s), unsafe.Pointer(&src[0]), uintptr(s.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (s *ShmParams) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (s *ShmParams) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return s.CopyOutN(cc, addr, s.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (s *ShmParams) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (s *ShmParams) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (s *ShmidDS) SizeBytes() int {
+    return 40 +
+        (*IPCPerm)(nil).SizeBytes() +
+        (*TimeT)(nil).SizeBytes() +
+        (*TimeT)(nil).SizeBytes() +
+        (*TimeT)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (s *ShmidDS) MarshalBytes(dst []byte) {
+    s.ShmPerm.MarshalBytes(dst[:s.ShmPerm.SizeBytes()])
+    dst = dst[s.ShmPerm.SizeBytes():]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.ShmSegsz))
+    dst = dst[8:]
+    s.ShmAtime.MarshalBytes(dst[:s.ShmAtime.SizeBytes()])
+    dst = dst[s.ShmAtime.SizeBytes():]
+    s.ShmDtime.MarshalBytes(dst[:s.ShmDtime.SizeBytes()])
+    dst = dst[s.ShmDtime.SizeBytes():]
+    s.ShmCtime.MarshalBytes(dst[:s.ShmCtime.SizeBytes()])
+    dst = dst[s.ShmCtime.SizeBytes():]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.ShmCpid))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.ShmLpid))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.ShmNattach))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.Unused4))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.Unused5))
+    dst = dst[8:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (s *ShmidDS) UnmarshalBytes(src []byte) {
+    s.ShmPerm.UnmarshalBytes(src[:s.ShmPerm.SizeBytes()])
+    src = src[s.ShmPerm.SizeBytes():]
+    s.ShmSegsz = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.ShmAtime.UnmarshalBytes(src[:s.ShmAtime.SizeBytes()])
+    src = src[s.ShmAtime.SizeBytes():]
+    s.ShmDtime.UnmarshalBytes(src[:s.ShmDtime.SizeBytes()])
+    src = src[s.ShmDtime.SizeBytes():]
+    s.ShmCtime.UnmarshalBytes(src[:s.ShmCtime.SizeBytes()])
+    src = src[s.ShmCtime.SizeBytes():]
+    s.ShmCpid = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.ShmLpid = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.ShmNattach = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.Unused4 = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.Unused5 = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (s *ShmidDS) Packed() bool {
+    return s.ShmAtime.Packed() && s.ShmCtime.Packed() && s.ShmDtime.Packed() && s.ShmPerm.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (s *ShmidDS) MarshalUnsafe(dst []byte) {
+    if s.ShmAtime.Packed() && s.ShmCtime.Packed() && s.ShmDtime.Packed() && s.ShmPerm.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(s),  uintptr(s.SizeBytes()))
+    } else {
+        // Type ShmidDS doesn't have a packed layout in memory, fallback to MarshalBytes.
+        s.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (s *ShmidDS) UnmarshalUnsafe(src []byte) {
+    if s.ShmAtime.Packed() && s.ShmCtime.Packed() && s.ShmDtime.Packed() && s.ShmPerm.Packed() {
+        gohacks.Memmove(unsafe.Pointer(s), unsafe.Pointer(&src[0]), uintptr(s.SizeBytes()))
+    } else {
+        // Type ShmidDS doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        s.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (s *ShmidDS) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !s.ShmAtime.Packed() && s.ShmCtime.Packed() && s.ShmDtime.Packed() && s.ShmPerm.Packed() {
+        // Type ShmidDS doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
+        s.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (s *ShmidDS) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return s.CopyOutN(cc, addr, s.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (s *ShmidDS) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !s.ShmAtime.Packed() && s.ShmCtime.Packed() && s.ShmDtime.Packed() && s.ShmPerm.Packed() {
+        // Type ShmidDS doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        s.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (s *ShmidDS) WriteTo(writer io.Writer) (int64, error) {
+    if !s.ShmAtime.Packed() && s.ShmCtime.Packed() && s.ShmDtime.Packed() && s.ShmPerm.Packed() {
+        // Type ShmidDS doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, s.SizeBytes())
+        s.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (s *SigAction) SizeBytes() int {
+    return 24 +
+        (*SignalSet)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (s *SigAction) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.Handler))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.Flags))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.Restorer))
+    dst = dst[8:]
+    s.Mask.MarshalBytes(dst[:s.Mask.SizeBytes()])
+    dst = dst[s.Mask.SizeBytes():]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (s *SigAction) UnmarshalBytes(src []byte) {
+    s.Handler = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.Flags = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.Restorer = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.Mask.UnmarshalBytes(src[:s.Mask.SizeBytes()])
+    src = src[s.Mask.SizeBytes():]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (s *SigAction) Packed() bool {
+    return s.Mask.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (s *SigAction) MarshalUnsafe(dst []byte) {
+    if s.Mask.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(s),  uintptr(s.SizeBytes()))
+    } else {
+        // Type SigAction doesn't have a packed layout in memory, fallback to MarshalBytes.
+        s.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (s *SigAction) UnmarshalUnsafe(src []byte) {
+    if s.Mask.Packed() {
+        gohacks.Memmove(unsafe.Pointer(s), unsafe.Pointer(&src[0]), uintptr(s.SizeBytes()))
+    } else {
+        // Type SigAction doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        s.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (s *SigAction) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !s.Mask.Packed() {
+        // Type SigAction doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
+        s.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (s *SigAction) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return s.CopyOutN(cc, addr, s.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (s *SigAction) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !s.Mask.Packed() {
+        // Type SigAction doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        s.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (s *SigAction) WriteTo(writer io.Writer) (int64, error) {
+    if !s.Mask.Packed() {
+        // Type SigAction doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, s.SizeBytes())
+        s.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (s *Sigevent) SizeBytes() int {
+    return 20 +
+        1*44
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (s *Sigevent) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.Value))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.Signo))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.Notify))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.Tid))
+    dst = dst[4:]
+    for idx := 0; idx < 44; idx++ {
+        dst[0] = byte(s.UnRemainder[idx])
+        dst = dst[1:]
+    }
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (s *Sigevent) UnmarshalBytes(src []byte) {
+    s.Value = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.Signo = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.Notify = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.Tid = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    for idx := 0; idx < 44; idx++ {
+        s.UnRemainder[idx] = src[0]
+        src = src[1:]
+    }
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (s *Sigevent) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (s *Sigevent) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(s),  uintptr(s.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (s *Sigevent) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(s), unsafe.Pointer(&src[0]), uintptr(s.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (s *Sigevent) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (s *Sigevent) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return s.CopyOutN(cc, addr, s.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (s *Sigevent) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (s *Sigevent) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+//go:nosplit
+func (s *SignalSet) SizeBytes() int {
+    return 8
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (s *SignalSet) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(*s))
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (s *SignalSet) UnmarshalBytes(src []byte) {
+    *s = SignalSet(uint64(hostarch.ByteOrder.Uint64(src[:8])))
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (s *SignalSet) Packed() bool {
+    // Scalar newtypes are always packed.
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (s *SignalSet) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(s), uintptr(s.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (s *SignalSet) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(s), unsafe.Pointer(&src[0]), uintptr(s.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (s *SignalSet) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (s *SignalSet) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return s.CopyOutN(cc, addr, s.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (s *SignalSet) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (s *SignalSet) WriteTo(w io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := w.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (s *SignalStack) SizeBytes() int {
+    return 24
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (s *SignalStack) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.Addr))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.Flags))
+    dst = dst[4:]
+    // Padding: dst[:sizeof(uint32)] ~= uint32(0)
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.Size))
+    dst = dst[8:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (s *SignalStack) UnmarshalBytes(src []byte) {
+    s.Addr = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.Flags = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    // Padding: var _ uint32 ~= src[:sizeof(uint32)]
+    src = src[4:]
+    s.Size = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (s *SignalStack) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (s *SignalStack) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(s),  uintptr(s.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (s *SignalStack) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(s), unsafe.Pointer(&src[0]), uintptr(s.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (s *SignalStack) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (s *SignalStack) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return s.CopyOutN(cc, addr, s.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (s *SignalStack) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (s *SignalStack) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (s *SignalfdSiginfo) SizeBytes() int {
+    return 82 +
+        1*48
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (s *SignalfdSiginfo) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.Signo))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.Errno))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.Code))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.PID))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.UID))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.FD))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.TID))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.Band))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.Overrun))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.TrapNo))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.Status))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.Int))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.Ptr))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.UTime))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.STime))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.Addr))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(s.AddrLSB))
+    dst = dst[2:]
+    // Padding: dst[:sizeof(uint8)*48] ~= [48]uint8{0}
+    dst = dst[1*(48):]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (s *SignalfdSiginfo) UnmarshalBytes(src []byte) {
+    s.Signo = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.Errno = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.Code = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.PID = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.UID = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.FD = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.TID = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.Band = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.Overrun = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.TrapNo = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.Status = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.Int = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.Ptr = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.UTime = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.STime = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.Addr = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.AddrLSB = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    // Padding: ~ copy([48]uint8(s._), src[:sizeof(uint8)*48])
+    src = src[1*(48):]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (s *SignalfdSiginfo) Packed() bool {
+    return false
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (s *SignalfdSiginfo) MarshalUnsafe(dst []byte) {
+    // Type SignalfdSiginfo doesn't have a packed layout in memory, fallback to MarshalBytes.
+    s.MarshalBytes(dst)
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (s *SignalfdSiginfo) UnmarshalUnsafe(src []byte) {
+    // Type SignalfdSiginfo doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+    s.UnmarshalBytes(src)
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (s *SignalfdSiginfo) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Type SignalfdSiginfo doesn't have a packed layout in memory, fall back to MarshalBytes.
+    buf := cc.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
+    s.MarshalBytes(buf) // escapes: fallback.
+    return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (s *SignalfdSiginfo) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return s.CopyOutN(cc, addr, s.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (s *SignalfdSiginfo) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Type SignalfdSiginfo doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+    buf := cc.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Unmarshal unconditionally. If we had a short copy-in, this results in a
+    // partially unmarshalled struct.
+    s.UnmarshalBytes(buf) // escapes: fallback.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (s *SignalfdSiginfo) WriteTo(writer io.Writer) (int64, error) {
+    // Type SignalfdSiginfo doesn't have a packed layout in memory, fall back to MarshalBytes.
+    buf := make([]byte, s.SizeBytes())
+    s.MarshalBytes(buf)
+    length, err := writer.Write(buf)
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (c *ControlMessageCredentials) SizeBytes() int {
+    return 12
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (c *ControlMessageCredentials) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(c.PID))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(c.UID))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(c.GID))
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (c *ControlMessageCredentials) UnmarshalBytes(src []byte) {
+    c.PID = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    c.UID = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    c.GID = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (c *ControlMessageCredentials) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (c *ControlMessageCredentials) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(c),  uintptr(c.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (c *ControlMessageCredentials) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(c), unsafe.Pointer(&src[0]), uintptr(c.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (c *ControlMessageCredentials) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(c)))
+    hdr.Len = c.SizeBytes()
+    hdr.Cap = c.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that c
+    // must live until the use above.
+    runtime.KeepAlive(c) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (c *ControlMessageCredentials) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return c.CopyOutN(cc, addr, c.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (c *ControlMessageCredentials) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(c)))
+    hdr.Len = c.SizeBytes()
+    hdr.Cap = c.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that c
+    // must live until the use above.
+    runtime.KeepAlive(c) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (c *ControlMessageCredentials) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(c)))
+    hdr.Len = c.SizeBytes()
+    hdr.Cap = c.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that c
+    // must live until the use above.
+    runtime.KeepAlive(c) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (c *ControlMessageHeader) SizeBytes() int {
+    return 16
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (c *ControlMessageHeader) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(c.Length))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(c.Level))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(c.Type))
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (c *ControlMessageHeader) UnmarshalBytes(src []byte) {
+    c.Length = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    c.Level = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    c.Type = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (c *ControlMessageHeader) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (c *ControlMessageHeader) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(c),  uintptr(c.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (c *ControlMessageHeader) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(c), unsafe.Pointer(&src[0]), uintptr(c.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (c *ControlMessageHeader) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(c)))
+    hdr.Len = c.SizeBytes()
+    hdr.Cap = c.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that c
+    // must live until the use above.
+    runtime.KeepAlive(c) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (c *ControlMessageHeader) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return c.CopyOutN(cc, addr, c.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (c *ControlMessageHeader) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(c)))
+    hdr.Len = c.SizeBytes()
+    hdr.Cap = c.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that c
+    // must live until the use above.
+    runtime.KeepAlive(c) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (c *ControlMessageHeader) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(c)))
+    hdr.Len = c.SizeBytes()
+    hdr.Cap = c.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that c
+    // must live until the use above.
+    runtime.KeepAlive(c) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (c *ControlMessageIPPacketInfo) SizeBytes() int {
+    return 4 +
+        (*InetAddr)(nil).SizeBytes() +
+        (*InetAddr)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (c *ControlMessageIPPacketInfo) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(c.NIC))
+    dst = dst[4:]
+    c.LocalAddr.MarshalBytes(dst[:c.LocalAddr.SizeBytes()])
+    dst = dst[c.LocalAddr.SizeBytes():]
+    c.DestinationAddr.MarshalBytes(dst[:c.DestinationAddr.SizeBytes()])
+    dst = dst[c.DestinationAddr.SizeBytes():]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (c *ControlMessageIPPacketInfo) UnmarshalBytes(src []byte) {
+    c.NIC = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    c.LocalAddr.UnmarshalBytes(src[:c.LocalAddr.SizeBytes()])
+    src = src[c.LocalAddr.SizeBytes():]
+    c.DestinationAddr.UnmarshalBytes(src[:c.DestinationAddr.SizeBytes()])
+    src = src[c.DestinationAddr.SizeBytes():]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (c *ControlMessageIPPacketInfo) Packed() bool {
+    return c.DestinationAddr.Packed() && c.LocalAddr.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (c *ControlMessageIPPacketInfo) MarshalUnsafe(dst []byte) {
+    if c.DestinationAddr.Packed() && c.LocalAddr.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(c),  uintptr(c.SizeBytes()))
+    } else {
+        // Type ControlMessageIPPacketInfo doesn't have a packed layout in memory, fallback to MarshalBytes.
+        c.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (c *ControlMessageIPPacketInfo) UnmarshalUnsafe(src []byte) {
+    if c.DestinationAddr.Packed() && c.LocalAddr.Packed() {
+        gohacks.Memmove(unsafe.Pointer(c), unsafe.Pointer(&src[0]), uintptr(c.SizeBytes()))
+    } else {
+        // Type ControlMessageIPPacketInfo doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        c.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (c *ControlMessageIPPacketInfo) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !c.DestinationAddr.Packed() && c.LocalAddr.Packed() {
+        // Type ControlMessageIPPacketInfo doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(c.SizeBytes()) // escapes: okay.
+        c.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(c)))
+    hdr.Len = c.SizeBytes()
+    hdr.Cap = c.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that c
+    // must live until the use above.
+    runtime.KeepAlive(c) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (c *ControlMessageIPPacketInfo) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return c.CopyOutN(cc, addr, c.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (c *ControlMessageIPPacketInfo) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !c.DestinationAddr.Packed() && c.LocalAddr.Packed() {
+        // Type ControlMessageIPPacketInfo doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(c.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        c.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(c)))
+    hdr.Len = c.SizeBytes()
+    hdr.Cap = c.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that c
+    // must live until the use above.
+    runtime.KeepAlive(c) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (c *ControlMessageIPPacketInfo) WriteTo(writer io.Writer) (int64, error) {
+    if !c.DestinationAddr.Packed() && c.LocalAddr.Packed() {
+        // Type ControlMessageIPPacketInfo doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, c.SizeBytes())
+        c.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(c)))
+    hdr.Len = c.SizeBytes()
+    hdr.Cap = c.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that c
+    // must live until the use above.
+    runtime.KeepAlive(c) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+//go:nosplit
+func (i *Inet6Addr) SizeBytes() int {
+    return 1 * 16
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (i *Inet6Addr) MarshalBytes(dst []byte) {
+    for idx := 0; idx < 16; idx++ {
+        dst[0] = byte(i[idx])
+        dst = dst[1:]
+    }
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (i *Inet6Addr) UnmarshalBytes(src []byte) {
+    for idx := 0; idx < 16; idx++ {
+        i[idx] = src[0]
+        src = src[1:]
+    }
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (i *Inet6Addr) Packed() bool {
+    // Array newtypes are always packed.
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (i *Inet6Addr) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&i[0]), uintptr(i.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (i *Inet6Addr) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(i), unsafe.Pointer(&src[0]), uintptr(i.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (i *Inet6Addr) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (i *Inet6Addr) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return i.CopyOutN(cc, addr, i.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (i *Inet6Addr) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (i *Inet6Addr) WriteTo(w io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := w.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (i *Inet6MulticastRequest) SizeBytes() int {
+    return 4 +
+        (*Inet6Addr)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (i *Inet6MulticastRequest) MarshalBytes(dst []byte) {
+    i.MulticastAddr.MarshalBytes(dst[:i.MulticastAddr.SizeBytes()])
+    dst = dst[i.MulticastAddr.SizeBytes():]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.InterfaceIndex))
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (i *Inet6MulticastRequest) UnmarshalBytes(src []byte) {
+    i.MulticastAddr.UnmarshalBytes(src[:i.MulticastAddr.SizeBytes()])
+    src = src[i.MulticastAddr.SizeBytes():]
+    i.InterfaceIndex = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (i *Inet6MulticastRequest) Packed() bool {
+    return i.MulticastAddr.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (i *Inet6MulticastRequest) MarshalUnsafe(dst []byte) {
+    if i.MulticastAddr.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(i),  uintptr(i.SizeBytes()))
+    } else {
+        // Type Inet6MulticastRequest doesn't have a packed layout in memory, fallback to MarshalBytes.
+        i.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (i *Inet6MulticastRequest) UnmarshalUnsafe(src []byte) {
+    if i.MulticastAddr.Packed() {
+        gohacks.Memmove(unsafe.Pointer(i), unsafe.Pointer(&src[0]), uintptr(i.SizeBytes()))
+    } else {
+        // Type Inet6MulticastRequest doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        i.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (i *Inet6MulticastRequest) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !i.MulticastAddr.Packed() {
+        // Type Inet6MulticastRequest doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+        i.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (i *Inet6MulticastRequest) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return i.CopyOutN(cc, addr, i.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (i *Inet6MulticastRequest) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !i.MulticastAddr.Packed() {
+        // Type Inet6MulticastRequest doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        i.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (i *Inet6MulticastRequest) WriteTo(writer io.Writer) (int64, error) {
+    if !i.MulticastAddr.Packed() {
+        // Type Inet6MulticastRequest doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, i.SizeBytes())
+        i.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+//go:nosplit
+func (i *InetAddr) SizeBytes() int {
+    return 1 * 4
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (i *InetAddr) MarshalBytes(dst []byte) {
+    for idx := 0; idx < 4; idx++ {
+        dst[0] = byte(i[idx])
+        dst = dst[1:]
+    }
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (i *InetAddr) UnmarshalBytes(src []byte) {
+    for idx := 0; idx < 4; idx++ {
+        i[idx] = src[0]
+        src = src[1:]
+    }
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (i *InetAddr) Packed() bool {
+    // Array newtypes are always packed.
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (i *InetAddr) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&i[0]), uintptr(i.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (i *InetAddr) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(i), unsafe.Pointer(&src[0]), uintptr(i.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (i *InetAddr) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (i *InetAddr) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return i.CopyOutN(cc, addr, i.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (i *InetAddr) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (i *InetAddr) WriteTo(w io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := w.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (i *InetMulticastRequest) SizeBytes() int {
+    return 0 +
+        (*InetAddr)(nil).SizeBytes() +
+        (*InetAddr)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (i *InetMulticastRequest) MarshalBytes(dst []byte) {
+    i.MulticastAddr.MarshalBytes(dst[:i.MulticastAddr.SizeBytes()])
+    dst = dst[i.MulticastAddr.SizeBytes():]
+    i.InterfaceAddr.MarshalBytes(dst[:i.InterfaceAddr.SizeBytes()])
+    dst = dst[i.InterfaceAddr.SizeBytes():]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (i *InetMulticastRequest) UnmarshalBytes(src []byte) {
+    i.MulticastAddr.UnmarshalBytes(src[:i.MulticastAddr.SizeBytes()])
+    src = src[i.MulticastAddr.SizeBytes():]
+    i.InterfaceAddr.UnmarshalBytes(src[:i.InterfaceAddr.SizeBytes()])
+    src = src[i.InterfaceAddr.SizeBytes():]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (i *InetMulticastRequest) Packed() bool {
+    return i.InterfaceAddr.Packed() && i.MulticastAddr.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (i *InetMulticastRequest) MarshalUnsafe(dst []byte) {
+    if i.InterfaceAddr.Packed() && i.MulticastAddr.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(i),  uintptr(i.SizeBytes()))
+    } else {
+        // Type InetMulticastRequest doesn't have a packed layout in memory, fallback to MarshalBytes.
+        i.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (i *InetMulticastRequest) UnmarshalUnsafe(src []byte) {
+    if i.InterfaceAddr.Packed() && i.MulticastAddr.Packed() {
+        gohacks.Memmove(unsafe.Pointer(i), unsafe.Pointer(&src[0]), uintptr(i.SizeBytes()))
+    } else {
+        // Type InetMulticastRequest doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        i.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (i *InetMulticastRequest) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !i.InterfaceAddr.Packed() && i.MulticastAddr.Packed() {
+        // Type InetMulticastRequest doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+        i.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (i *InetMulticastRequest) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return i.CopyOutN(cc, addr, i.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (i *InetMulticastRequest) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !i.InterfaceAddr.Packed() && i.MulticastAddr.Packed() {
+        // Type InetMulticastRequest doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        i.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (i *InetMulticastRequest) WriteTo(writer io.Writer) (int64, error) {
+    if !i.InterfaceAddr.Packed() && i.MulticastAddr.Packed() {
+        // Type InetMulticastRequest doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, i.SizeBytes())
+        i.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (i *InetMulticastRequestWithNIC) SizeBytes() int {
+    return 4 +
+        (*InetMulticastRequest)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (i *InetMulticastRequestWithNIC) MarshalBytes(dst []byte) {
+    i.InetMulticastRequest.MarshalBytes(dst[:i.InetMulticastRequest.SizeBytes()])
+    dst = dst[i.InetMulticastRequest.SizeBytes():]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.InterfaceIndex))
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (i *InetMulticastRequestWithNIC) UnmarshalBytes(src []byte) {
+    i.InetMulticastRequest.UnmarshalBytes(src[:i.InetMulticastRequest.SizeBytes()])
+    src = src[i.InetMulticastRequest.SizeBytes():]
+    i.InterfaceIndex = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (i *InetMulticastRequestWithNIC) Packed() bool {
+    return i.InetMulticastRequest.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (i *InetMulticastRequestWithNIC) MarshalUnsafe(dst []byte) {
+    if i.InetMulticastRequest.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(i),  uintptr(i.SizeBytes()))
+    } else {
+        // Type InetMulticastRequestWithNIC doesn't have a packed layout in memory, fallback to MarshalBytes.
+        i.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (i *InetMulticastRequestWithNIC) UnmarshalUnsafe(src []byte) {
+    if i.InetMulticastRequest.Packed() {
+        gohacks.Memmove(unsafe.Pointer(i), unsafe.Pointer(&src[0]), uintptr(i.SizeBytes()))
+    } else {
+        // Type InetMulticastRequestWithNIC doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        i.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (i *InetMulticastRequestWithNIC) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !i.InetMulticastRequest.Packed() {
+        // Type InetMulticastRequestWithNIC doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+        i.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (i *InetMulticastRequestWithNIC) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return i.CopyOutN(cc, addr, i.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (i *InetMulticastRequestWithNIC) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !i.InetMulticastRequest.Packed() {
+        // Type InetMulticastRequestWithNIC doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        i.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (i *InetMulticastRequestWithNIC) WriteTo(writer io.Writer) (int64, error) {
+    if !i.InetMulticastRequest.Packed() {
+        // Type InetMulticastRequestWithNIC doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, i.SizeBytes())
+        i.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (l *Linger) SizeBytes() int {
+    return 8
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (l *Linger) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(l.OnOff))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(l.Linger))
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (l *Linger) UnmarshalBytes(src []byte) {
+    l.OnOff = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    l.Linger = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (l *Linger) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (l *Linger) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(l),  uintptr(l.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (l *Linger) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(l), unsafe.Pointer(&src[0]), uintptr(l.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (l *Linger) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(l)))
+    hdr.Len = l.SizeBytes()
+    hdr.Cap = l.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that l
+    // must live until the use above.
+    runtime.KeepAlive(l) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (l *Linger) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return l.CopyOutN(cc, addr, l.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (l *Linger) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(l)))
+    hdr.Len = l.SizeBytes()
+    hdr.Cap = l.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that l
+    // must live until the use above.
+    runtime.KeepAlive(l) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (l *Linger) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(l)))
+    hdr.Len = l.SizeBytes()
+    hdr.Cap = l.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that l
+    // must live until the use above.
+    runtime.KeepAlive(l) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (s *SockAddrInet) SizeBytes() int {
+    return 4 +
+        (*InetAddr)(nil).SizeBytes() +
+        1*8
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (s *SockAddrInet) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(s.Family))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(s.Port))
+    dst = dst[2:]
+    s.Addr.MarshalBytes(dst[:s.Addr.SizeBytes()])
+    dst = dst[s.Addr.SizeBytes():]
+    // Padding: dst[:sizeof(uint8)*8] ~= [8]uint8{0}
+    dst = dst[1*(8):]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (s *SockAddrInet) UnmarshalBytes(src []byte) {
+    s.Family = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    s.Port = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    s.Addr.UnmarshalBytes(src[:s.Addr.SizeBytes()])
+    src = src[s.Addr.SizeBytes():]
+    // Padding: ~ copy([8]uint8(s._), src[:sizeof(uint8)*8])
+    src = src[1*(8):]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (s *SockAddrInet) Packed() bool {
+    return s.Addr.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (s *SockAddrInet) MarshalUnsafe(dst []byte) {
+    if s.Addr.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(s),  uintptr(s.SizeBytes()))
+    } else {
+        // Type SockAddrInet doesn't have a packed layout in memory, fallback to MarshalBytes.
+        s.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (s *SockAddrInet) UnmarshalUnsafe(src []byte) {
+    if s.Addr.Packed() {
+        gohacks.Memmove(unsafe.Pointer(s), unsafe.Pointer(&src[0]), uintptr(s.SizeBytes()))
+    } else {
+        // Type SockAddrInet doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        s.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (s *SockAddrInet) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !s.Addr.Packed() {
+        // Type SockAddrInet doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
+        s.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (s *SockAddrInet) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return s.CopyOutN(cc, addr, s.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (s *SockAddrInet) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !s.Addr.Packed() {
+        // Type SockAddrInet doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        s.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (s *SockAddrInet) WriteTo(writer io.Writer) (int64, error) {
+    if !s.Addr.Packed() {
+        // Type SockAddrInet doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, s.SizeBytes())
+        s.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (s *SockAddrInet6) SizeBytes() int {
+    return 12 +
+        1*16
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (s *SockAddrInet6) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(s.Family))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(s.Port))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.Flowinfo))
+    dst = dst[4:]
+    for idx := 0; idx < 16; idx++ {
+        dst[0] = byte(s.Addr[idx])
+        dst = dst[1:]
+    }
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.Scope_id))
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (s *SockAddrInet6) UnmarshalBytes(src []byte) {
+    s.Family = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    s.Port = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    s.Flowinfo = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    for idx := 0; idx < 16; idx++ {
+        s.Addr[idx] = src[0]
+        src = src[1:]
+    }
+    s.Scope_id = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (s *SockAddrInet6) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (s *SockAddrInet6) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(s),  uintptr(s.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (s *SockAddrInet6) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(s), unsafe.Pointer(&src[0]), uintptr(s.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (s *SockAddrInet6) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (s *SockAddrInet6) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return s.CopyOutN(cc, addr, s.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (s *SockAddrInet6) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (s *SockAddrInet6) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (s *SockAddrLink) SizeBytes() int {
+    return 12 +
+        1*8
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (s *SockAddrLink) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(s.Family))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(s.Protocol))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.InterfaceIndex))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(s.ARPHardwareType))
+    dst = dst[2:]
+    dst[0] = byte(s.PacketType)
+    dst = dst[1:]
+    dst[0] = byte(s.HardwareAddrLen)
+    dst = dst[1:]
+    for idx := 0; idx < 8; idx++ {
+        dst[0] = byte(s.HardwareAddr[idx])
+        dst = dst[1:]
+    }
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (s *SockAddrLink) UnmarshalBytes(src []byte) {
+    s.Family = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    s.Protocol = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    s.InterfaceIndex = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.ARPHardwareType = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    s.PacketType = src[0]
+    src = src[1:]
+    s.HardwareAddrLen = src[0]
+    src = src[1:]
+    for idx := 0; idx < 8; idx++ {
+        s.HardwareAddr[idx] = src[0]
+        src = src[1:]
+    }
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (s *SockAddrLink) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (s *SockAddrLink) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(s),  uintptr(s.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (s *SockAddrLink) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(s), unsafe.Pointer(&src[0]), uintptr(s.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (s *SockAddrLink) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (s *SockAddrLink) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return s.CopyOutN(cc, addr, s.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (s *SockAddrLink) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (s *SockAddrLink) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (s *SockAddrUnix) SizeBytes() int {
+    return 2 +
+        1*UnixPathMax
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (s *SockAddrUnix) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(s.Family))
+    dst = dst[2:]
+    for idx := 0; idx < UnixPathMax; idx++ {
+        dst[0] = byte(s.Path[idx])
+        dst = dst[1:]
+    }
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (s *SockAddrUnix) UnmarshalBytes(src []byte) {
+    s.Family = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    for idx := 0; idx < UnixPathMax; idx++ {
+        s.Path[idx] = int8(src[0])
+        src = src[1:]
+    }
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (s *SockAddrUnix) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (s *SockAddrUnix) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(s),  uintptr(s.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (s *SockAddrUnix) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(s), unsafe.Pointer(&src[0]), uintptr(s.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (s *SockAddrUnix) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (s *SockAddrUnix) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return s.CopyOutN(cc, addr, s.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (s *SockAddrUnix) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (s *SockAddrUnix) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (t *TCPInfo) SizeBytes() int {
+    return 224
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (t *TCPInfo) MarshalBytes(dst []byte) {
+    dst[0] = byte(t.State)
+    dst = dst[1:]
+    dst[0] = byte(t.CaState)
+    dst = dst[1:]
+    dst[0] = byte(t.Retransmits)
+    dst = dst[1:]
+    dst[0] = byte(t.Probes)
+    dst = dst[1:]
+    dst[0] = byte(t.Backoff)
+    dst = dst[1:]
+    dst[0] = byte(t.Options)
+    dst = dst[1:]
+    dst[0] = byte(t.WindowScale)
+    dst = dst[1:]
+    dst[0] = byte(t.DeliveryRateAppLimited)
+    dst = dst[1:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.RTO))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.ATO))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.SndMss))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.RcvMss))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.Unacked))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.Sacked))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.Lost))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.Retrans))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.Fackets))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.LastDataSent))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.LastAckSent))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.LastDataRecv))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.LastAckRecv))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.PMTU))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.RcvSsthresh))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.RTT))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.RTTVar))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.SndSsthresh))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.SndCwnd))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.Advmss))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.Reordering))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.RcvRTT))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.RcvSpace))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.TotalRetrans))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(t.PacingRate))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(t.MaxPacingRate))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(t.BytesAcked))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(t.BytesReceived))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.SegsOut))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.SegsIn))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.NotSentBytes))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.MinRTT))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.DataSegsIn))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.DataSegsOut))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(t.DeliveryRate))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(t.BusyTime))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(t.RwndLimited))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(t.SndBufLimited))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.Delivered))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.DeliveredCE))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(t.BytesSent))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(t.BytesRetrans))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.DSACKDups))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.ReordSeen))
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (t *TCPInfo) UnmarshalBytes(src []byte) {
+    t.State = uint8(src[0])
+    src = src[1:]
+    t.CaState = uint8(src[0])
+    src = src[1:]
+    t.Retransmits = uint8(src[0])
+    src = src[1:]
+    t.Probes = uint8(src[0])
+    src = src[1:]
+    t.Backoff = uint8(src[0])
+    src = src[1:]
+    t.Options = uint8(src[0])
+    src = src[1:]
+    t.WindowScale = uint8(src[0])
+    src = src[1:]
+    t.DeliveryRateAppLimited = uint8(src[0])
+    src = src[1:]
+    t.RTO = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.ATO = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.SndMss = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.RcvMss = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.Unacked = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.Sacked = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.Lost = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.Retrans = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.Fackets = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.LastDataSent = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.LastAckSent = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.LastDataRecv = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.LastAckRecv = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.PMTU = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.RcvSsthresh = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.RTT = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.RTTVar = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.SndSsthresh = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.SndCwnd = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.Advmss = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.Reordering = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.RcvRTT = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.RcvSpace = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.TotalRetrans = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.PacingRate = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    t.MaxPacingRate = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    t.BytesAcked = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    t.BytesReceived = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    t.SegsOut = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.SegsIn = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.NotSentBytes = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.MinRTT = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.DataSegsIn = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.DataSegsOut = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.DeliveryRate = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    t.BusyTime = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    t.RwndLimited = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    t.SndBufLimited = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    t.Delivered = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.DeliveredCE = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.BytesSent = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    t.BytesRetrans = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    t.DSACKDups = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.ReordSeen = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (t *TCPInfo) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (t *TCPInfo) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(t),  uintptr(t.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (t *TCPInfo) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(t), unsafe.Pointer(&src[0]), uintptr(t.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (t *TCPInfo) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(t)))
+    hdr.Len = t.SizeBytes()
+    hdr.Cap = t.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that t
+    // must live until the use above.
+    runtime.KeepAlive(t) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (t *TCPInfo) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return t.CopyOutN(cc, addr, t.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (t *TCPInfo) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(t)))
+    hdr.Len = t.SizeBytes()
+    hdr.Cap = t.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that t
+    // must live until the use above.
+    runtime.KeepAlive(t) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (t *TCPInfo) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(t)))
+    hdr.Len = t.SizeBytes()
+    hdr.Cap = t.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that t
+    // must live until the use above.
+    runtime.KeepAlive(t) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+//go:nosplit
+func (c *ClockT) SizeBytes() int {
+    return 8
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (c *ClockT) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(*c))
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (c *ClockT) UnmarshalBytes(src []byte) {
+    *c = ClockT(int64(hostarch.ByteOrder.Uint64(src[:8])))
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (c *ClockT) Packed() bool {
+    // Scalar newtypes are always packed.
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (c *ClockT) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(c), uintptr(c.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (c *ClockT) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(c), unsafe.Pointer(&src[0]), uintptr(c.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (c *ClockT) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(c)))
+    hdr.Len = c.SizeBytes()
+    hdr.Cap = c.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that c
+    // must live until the use above.
+    runtime.KeepAlive(c) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (c *ClockT) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return c.CopyOutN(cc, addr, c.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (c *ClockT) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(c)))
+    hdr.Len = c.SizeBytes()
+    hdr.Cap = c.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that c
+    // must live until the use above.
+    runtime.KeepAlive(c) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (c *ClockT) WriteTo(w io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(c)))
+    hdr.Len = c.SizeBytes()
+    hdr.Cap = c.SizeBytes()
+
+    length, err := w.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that c
+    // must live until the use above.
+    runtime.KeepAlive(c) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (i *ItimerVal) SizeBytes() int {
+    return 0 +
+        (*Timeval)(nil).SizeBytes() +
+        (*Timeval)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (i *ItimerVal) MarshalBytes(dst []byte) {
+    i.Interval.MarshalBytes(dst[:i.Interval.SizeBytes()])
+    dst = dst[i.Interval.SizeBytes():]
+    i.Value.MarshalBytes(dst[:i.Value.SizeBytes()])
+    dst = dst[i.Value.SizeBytes():]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (i *ItimerVal) UnmarshalBytes(src []byte) {
+    i.Interval.UnmarshalBytes(src[:i.Interval.SizeBytes()])
+    src = src[i.Interval.SizeBytes():]
+    i.Value.UnmarshalBytes(src[:i.Value.SizeBytes()])
+    src = src[i.Value.SizeBytes():]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (i *ItimerVal) Packed() bool {
+    return i.Interval.Packed() && i.Value.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (i *ItimerVal) MarshalUnsafe(dst []byte) {
+    if i.Interval.Packed() && i.Value.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(i),  uintptr(i.SizeBytes()))
+    } else {
+        // Type ItimerVal doesn't have a packed layout in memory, fallback to MarshalBytes.
+        i.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (i *ItimerVal) UnmarshalUnsafe(src []byte) {
+    if i.Interval.Packed() && i.Value.Packed() {
+        gohacks.Memmove(unsafe.Pointer(i), unsafe.Pointer(&src[0]), uintptr(i.SizeBytes()))
+    } else {
+        // Type ItimerVal doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        i.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (i *ItimerVal) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !i.Interval.Packed() && i.Value.Packed() {
+        // Type ItimerVal doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+        i.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (i *ItimerVal) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return i.CopyOutN(cc, addr, i.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (i *ItimerVal) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !i.Interval.Packed() && i.Value.Packed() {
+        // Type ItimerVal doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        i.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (i *ItimerVal) WriteTo(writer io.Writer) (int64, error) {
+    if !i.Interval.Packed() && i.Value.Packed() {
+        // Type ItimerVal doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, i.SizeBytes())
+        i.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (i *Itimerspec) SizeBytes() int {
+    return 0 +
+        (*Timespec)(nil).SizeBytes() +
+        (*Timespec)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (i *Itimerspec) MarshalBytes(dst []byte) {
+    i.Interval.MarshalBytes(dst[:i.Interval.SizeBytes()])
+    dst = dst[i.Interval.SizeBytes():]
+    i.Value.MarshalBytes(dst[:i.Value.SizeBytes()])
+    dst = dst[i.Value.SizeBytes():]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (i *Itimerspec) UnmarshalBytes(src []byte) {
+    i.Interval.UnmarshalBytes(src[:i.Interval.SizeBytes()])
+    src = src[i.Interval.SizeBytes():]
+    i.Value.UnmarshalBytes(src[:i.Value.SizeBytes()])
+    src = src[i.Value.SizeBytes():]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (i *Itimerspec) Packed() bool {
+    return i.Interval.Packed() && i.Value.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (i *Itimerspec) MarshalUnsafe(dst []byte) {
+    if i.Interval.Packed() && i.Value.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(i),  uintptr(i.SizeBytes()))
+    } else {
+        // Type Itimerspec doesn't have a packed layout in memory, fallback to MarshalBytes.
+        i.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (i *Itimerspec) UnmarshalUnsafe(src []byte) {
+    if i.Interval.Packed() && i.Value.Packed() {
+        gohacks.Memmove(unsafe.Pointer(i), unsafe.Pointer(&src[0]), uintptr(i.SizeBytes()))
+    } else {
+        // Type Itimerspec doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        i.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (i *Itimerspec) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !i.Interval.Packed() && i.Value.Packed() {
+        // Type Itimerspec doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+        i.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (i *Itimerspec) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return i.CopyOutN(cc, addr, i.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (i *Itimerspec) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !i.Interval.Packed() && i.Value.Packed() {
+        // Type Itimerspec doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        i.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (i *Itimerspec) WriteTo(writer io.Writer) (int64, error) {
+    if !i.Interval.Packed() && i.Value.Packed() {
+        // Type Itimerspec doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, i.SizeBytes())
+        i.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (sxts *StatxTimestamp) SizeBytes() int {
+    return 16
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (sxts *StatxTimestamp) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(sxts.Sec))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(sxts.Nsec))
+    dst = dst[4:]
+    // Padding: dst[:sizeof(int32)] ~= int32(0)
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (sxts *StatxTimestamp) UnmarshalBytes(src []byte) {
+    sxts.Sec = int64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    sxts.Nsec = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    // Padding: var _ int32 ~= src[:sizeof(int32)]
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (sxts *StatxTimestamp) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (sxts *StatxTimestamp) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(sxts),  uintptr(sxts.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (sxts *StatxTimestamp) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(sxts), unsafe.Pointer(&src[0]), uintptr(sxts.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (sxts *StatxTimestamp) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(sxts)))
+    hdr.Len = sxts.SizeBytes()
+    hdr.Cap = sxts.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that sxts
+    // must live until the use above.
+    runtime.KeepAlive(sxts) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (sxts *StatxTimestamp) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return sxts.CopyOutN(cc, addr, sxts.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (sxts *StatxTimestamp) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(sxts)))
+    hdr.Len = sxts.SizeBytes()
+    hdr.Cap = sxts.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that sxts
+    // must live until the use above.
+    runtime.KeepAlive(sxts) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (sxts *StatxTimestamp) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(sxts)))
+    hdr.Len = sxts.SizeBytes()
+    hdr.Cap = sxts.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that sxts
+    // must live until the use above.
+    runtime.KeepAlive(sxts) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+//go:nosplit
+func (t *TimeT) SizeBytes() int {
+    return 8
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (t *TimeT) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(*t))
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (t *TimeT) UnmarshalBytes(src []byte) {
+    *t = TimeT(int64(hostarch.ByteOrder.Uint64(src[:8])))
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (t *TimeT) Packed() bool {
+    // Scalar newtypes are always packed.
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (t *TimeT) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(t), uintptr(t.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (t *TimeT) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(t), unsafe.Pointer(&src[0]), uintptr(t.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (t *TimeT) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(t)))
+    hdr.Len = t.SizeBytes()
+    hdr.Cap = t.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that t
+    // must live until the use above.
+    runtime.KeepAlive(t) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (t *TimeT) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return t.CopyOutN(cc, addr, t.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (t *TimeT) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(t)))
+    hdr.Len = t.SizeBytes()
+    hdr.Cap = t.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that t
+    // must live until the use above.
+    runtime.KeepAlive(t) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (t *TimeT) WriteTo(w io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(t)))
+    hdr.Len = t.SizeBytes()
+    hdr.Cap = t.SizeBytes()
+
+    length, err := w.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that t
+    // must live until the use above.
+    runtime.KeepAlive(t) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+//go:nosplit
+func (t *TimerID) SizeBytes() int {
+    return 4
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (t *TimerID) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(*t))
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (t *TimerID) UnmarshalBytes(src []byte) {
+    *t = TimerID(int32(hostarch.ByteOrder.Uint32(src[:4])))
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (t *TimerID) Packed() bool {
+    // Scalar newtypes are always packed.
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (t *TimerID) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(t), uintptr(t.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (t *TimerID) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(t), unsafe.Pointer(&src[0]), uintptr(t.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (t *TimerID) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(t)))
+    hdr.Len = t.SizeBytes()
+    hdr.Cap = t.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that t
+    // must live until the use above.
+    runtime.KeepAlive(t) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (t *TimerID) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return t.CopyOutN(cc, addr, t.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (t *TimerID) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(t)))
+    hdr.Len = t.SizeBytes()
+    hdr.Cap = t.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that t
+    // must live until the use above.
+    runtime.KeepAlive(t) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (t *TimerID) WriteTo(w io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(t)))
+    hdr.Len = t.SizeBytes()
+    hdr.Cap = t.SizeBytes()
+
+    length, err := w.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that t
+    // must live until the use above.
+    runtime.KeepAlive(t) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (ts *Timespec) SizeBytes() int {
+    return 16
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (ts *Timespec) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(ts.Sec))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(ts.Nsec))
+    dst = dst[8:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (ts *Timespec) UnmarshalBytes(src []byte) {
+    ts.Sec = int64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    ts.Nsec = int64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (ts *Timespec) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (ts *Timespec) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(ts),  uintptr(ts.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (ts *Timespec) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(ts), unsafe.Pointer(&src[0]), uintptr(ts.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (ts *Timespec) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(ts)))
+    hdr.Len = ts.SizeBytes()
+    hdr.Cap = ts.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that ts
+    // must live until the use above.
+    runtime.KeepAlive(ts) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (ts *Timespec) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return ts.CopyOutN(cc, addr, ts.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (ts *Timespec) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(ts)))
+    hdr.Len = ts.SizeBytes()
+    hdr.Cap = ts.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that ts
+    // must live until the use above.
+    runtime.KeepAlive(ts) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (ts *Timespec) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(ts)))
+    hdr.Len = ts.SizeBytes()
+    hdr.Cap = ts.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that ts
+    // must live until the use above.
+    runtime.KeepAlive(ts) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// CopyTimespecSliceIn copies in a slice of Timespec objects from the task's memory.
+func CopyTimespecSliceIn(cc marshal.CopyContext, addr hostarch.Addr, dst []Timespec) (int, error) {
+    count := len(dst)
+    if count == 0 {
+        return 0, nil
+    }
+    size := (*Timespec)(nil).SizeBytes()
+
+    ptr := unsafe.Pointer(&dst)
+    val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data))
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(val)
+    hdr.Len = size * count
+    hdr.Cap = size * count
+
+    length, err := cc.CopyInBytes(addr, buf)
+    // Since we bypassed the compiler's escape analysis, indicate that dst
+    // must live until the use above.
+    runtime.KeepAlive(dst) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyTimespecSliceOut copies a slice of Timespec objects to the task's memory.
+func CopyTimespecSliceOut(cc marshal.CopyContext, addr hostarch.Addr, src []Timespec) (int, error) {
+    count := len(src)
+    if count == 0 {
+        return 0, nil
+    }
+    size := (*Timespec)(nil).SizeBytes()
+
+    ptr := unsafe.Pointer(&src)
+    val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data))
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(val)
+    hdr.Len = size * count
+    hdr.Cap = size * count
+
+    length, err := cc.CopyOutBytes(addr, buf)
+    // Since we bypassed the compiler's escape analysis, indicate that src
+    // must live until the use above.
+    runtime.KeepAlive(src) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// MarshalUnsafeTimespecSlice is like Timespec.MarshalUnsafe, but for a []Timespec.
+func MarshalUnsafeTimespecSlice(src []Timespec, dst []byte) (int, error) {
+    count := len(src)
+    if count == 0 {
+        return 0, nil
+    }
+    size := (*Timespec)(nil).SizeBytes()
+
+    dst = dst[:size*count]
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&src[0]), uintptr(len(dst)))
+    return size * count, nil
+}
+
+// UnmarshalUnsafeTimespecSlice is like Timespec.UnmarshalUnsafe, but for a []Timespec.
+func UnmarshalUnsafeTimespecSlice(dst []Timespec, src []byte) (int, error) {
+    count := len(dst)
+    if count == 0 {
+        return 0, nil
+    }
+    size := (*Timespec)(nil).SizeBytes()
+
+    src = src[:(size*count)]
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&src[0]), uintptr(len(src)))
+    return count*size, nil
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (tv *Timeval) SizeBytes() int {
+    return 16
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (tv *Timeval) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(tv.Sec))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(tv.Usec))
+    dst = dst[8:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (tv *Timeval) UnmarshalBytes(src []byte) {
+    tv.Sec = int64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    tv.Usec = int64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (tv *Timeval) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (tv *Timeval) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(tv),  uintptr(tv.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (tv *Timeval) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(tv), unsafe.Pointer(&src[0]), uintptr(tv.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (tv *Timeval) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(tv)))
+    hdr.Len = tv.SizeBytes()
+    hdr.Cap = tv.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that tv
+    // must live until the use above.
+    runtime.KeepAlive(tv) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (tv *Timeval) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return tv.CopyOutN(cc, addr, tv.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (tv *Timeval) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(tv)))
+    hdr.Len = tv.SizeBytes()
+    hdr.Cap = tv.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that tv
+    // must live until the use above.
+    runtime.KeepAlive(tv) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (tv *Timeval) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(tv)))
+    hdr.Len = tv.SizeBytes()
+    hdr.Cap = tv.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that tv
+    // must live until the use above.
+    runtime.KeepAlive(tv) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// CopyTimevalSliceIn copies in a slice of Timeval objects from the task's memory.
+func CopyTimevalSliceIn(cc marshal.CopyContext, addr hostarch.Addr, dst []Timeval) (int, error) {
+    count := len(dst)
+    if count == 0 {
+        return 0, nil
+    }
+    size := (*Timeval)(nil).SizeBytes()
+
+    ptr := unsafe.Pointer(&dst)
+    val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data))
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(val)
+    hdr.Len = size * count
+    hdr.Cap = size * count
+
+    length, err := cc.CopyInBytes(addr, buf)
+    // Since we bypassed the compiler's escape analysis, indicate that dst
+    // must live until the use above.
+    runtime.KeepAlive(dst) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyTimevalSliceOut copies a slice of Timeval objects to the task's memory.
+func CopyTimevalSliceOut(cc marshal.CopyContext, addr hostarch.Addr, src []Timeval) (int, error) {
+    count := len(src)
+    if count == 0 {
+        return 0, nil
+    }
+    size := (*Timeval)(nil).SizeBytes()
+
+    ptr := unsafe.Pointer(&src)
+    val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data))
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(val)
+    hdr.Len = size * count
+    hdr.Cap = size * count
+
+    length, err := cc.CopyOutBytes(addr, buf)
+    // Since we bypassed the compiler's escape analysis, indicate that src
+    // must live until the use above.
+    runtime.KeepAlive(src) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// MarshalUnsafeTimevalSlice is like Timeval.MarshalUnsafe, but for a []Timeval.
+func MarshalUnsafeTimevalSlice(src []Timeval, dst []byte) (int, error) {
+    count := len(src)
+    if count == 0 {
+        return 0, nil
+    }
+    size := (*Timeval)(nil).SizeBytes()
+
+    dst = dst[:size*count]
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&src[0]), uintptr(len(dst)))
+    return size * count, nil
+}
+
+// UnmarshalUnsafeTimevalSlice is like Timeval.UnmarshalUnsafe, but for a []Timeval.
+func UnmarshalUnsafeTimevalSlice(dst []Timeval, src []byte) (int, error) {
+    count := len(dst)
+    if count == 0 {
+        return 0, nil
+    }
+    size := (*Timeval)(nil).SizeBytes()
+
+    src = src[:(size*count)]
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&src[0]), uintptr(len(src)))
+    return count*size, nil
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (t *Tms) SizeBytes() int {
+    return 0 +
+        (*ClockT)(nil).SizeBytes() +
+        (*ClockT)(nil).SizeBytes() +
+        (*ClockT)(nil).SizeBytes() +
+        (*ClockT)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (t *Tms) MarshalBytes(dst []byte) {
+    t.UTime.MarshalBytes(dst[:t.UTime.SizeBytes()])
+    dst = dst[t.UTime.SizeBytes():]
+    t.STime.MarshalBytes(dst[:t.STime.SizeBytes()])
+    dst = dst[t.STime.SizeBytes():]
+    t.CUTime.MarshalBytes(dst[:t.CUTime.SizeBytes()])
+    dst = dst[t.CUTime.SizeBytes():]
+    t.CSTime.MarshalBytes(dst[:t.CSTime.SizeBytes()])
+    dst = dst[t.CSTime.SizeBytes():]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (t *Tms) UnmarshalBytes(src []byte) {
+    t.UTime.UnmarshalBytes(src[:t.UTime.SizeBytes()])
+    src = src[t.UTime.SizeBytes():]
+    t.STime.UnmarshalBytes(src[:t.STime.SizeBytes()])
+    src = src[t.STime.SizeBytes():]
+    t.CUTime.UnmarshalBytes(src[:t.CUTime.SizeBytes()])
+    src = src[t.CUTime.SizeBytes():]
+    t.CSTime.UnmarshalBytes(src[:t.CSTime.SizeBytes()])
+    src = src[t.CSTime.SizeBytes():]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (t *Tms) Packed() bool {
+    return t.CSTime.Packed() && t.CUTime.Packed() && t.STime.Packed() && t.UTime.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (t *Tms) MarshalUnsafe(dst []byte) {
+    if t.CSTime.Packed() && t.CUTime.Packed() && t.STime.Packed() && t.UTime.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(t),  uintptr(t.SizeBytes()))
+    } else {
+        // Type Tms doesn't have a packed layout in memory, fallback to MarshalBytes.
+        t.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (t *Tms) UnmarshalUnsafe(src []byte) {
+    if t.CSTime.Packed() && t.CUTime.Packed() && t.STime.Packed() && t.UTime.Packed() {
+        gohacks.Memmove(unsafe.Pointer(t), unsafe.Pointer(&src[0]), uintptr(t.SizeBytes()))
+    } else {
+        // Type Tms doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        t.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (t *Tms) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !t.CSTime.Packed() && t.CUTime.Packed() && t.STime.Packed() && t.UTime.Packed() {
+        // Type Tms doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(t.SizeBytes()) // escapes: okay.
+        t.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(t)))
+    hdr.Len = t.SizeBytes()
+    hdr.Cap = t.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that t
+    // must live until the use above.
+    runtime.KeepAlive(t) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (t *Tms) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return t.CopyOutN(cc, addr, t.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (t *Tms) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !t.CSTime.Packed() && t.CUTime.Packed() && t.STime.Packed() && t.UTime.Packed() {
+        // Type Tms doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(t.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        t.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(t)))
+    hdr.Len = t.SizeBytes()
+    hdr.Cap = t.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that t
+    // must live until the use above.
+    runtime.KeepAlive(t) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (t *Tms) WriteTo(writer io.Writer) (int64, error) {
+    if !t.CSTime.Packed() && t.CUTime.Packed() && t.STime.Packed() && t.UTime.Packed() {
+        // Type Tms doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, t.SizeBytes())
+        t.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(t)))
+    hdr.Len = t.SizeBytes()
+    hdr.Cap = t.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that t
+    // must live until the use above.
+    runtime.KeepAlive(t) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (u *Utime) SizeBytes() int {
+    return 16
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (u *Utime) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(u.Actime))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(u.Modtime))
+    dst = dst[8:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (u *Utime) UnmarshalBytes(src []byte) {
+    u.Actime = int64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    u.Modtime = int64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (u *Utime) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (u *Utime) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(u),  uintptr(u.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (u *Utime) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(u), unsafe.Pointer(&src[0]), uintptr(u.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (u *Utime) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(u)))
+    hdr.Len = u.SizeBytes()
+    hdr.Cap = u.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that u
+    // must live until the use above.
+    runtime.KeepAlive(u) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (u *Utime) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return u.CopyOutN(cc, addr, u.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (u *Utime) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(u)))
+    hdr.Len = u.SizeBytes()
+    hdr.Cap = u.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that u
+    // must live until the use above.
+    runtime.KeepAlive(u) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (u *Utime) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(u)))
+    hdr.Len = u.SizeBytes()
+    hdr.Cap = u.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that u
+    // must live until the use above.
+    runtime.KeepAlive(u) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (t *Termios) SizeBytes() int {
+    return 17 +
+        1*NumControlCharacters
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (t *Termios) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.InputFlags))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.OutputFlags))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.ControlFlags))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(t.LocalFlags))
+    dst = dst[4:]
+    dst[0] = byte(t.LineDiscipline)
+    dst = dst[1:]
+    for idx := 0; idx < NumControlCharacters; idx++ {
+        dst[0] = byte(t.ControlCharacters[idx])
+        dst = dst[1:]
+    }
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (t *Termios) UnmarshalBytes(src []byte) {
+    t.InputFlags = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.OutputFlags = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.ControlFlags = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.LocalFlags = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    t.LineDiscipline = uint8(src[0])
+    src = src[1:]
+    for idx := 0; idx < NumControlCharacters; idx++ {
+        t.ControlCharacters[idx] = uint8(src[0])
+        src = src[1:]
+    }
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (t *Termios) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (t *Termios) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(t),  uintptr(t.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (t *Termios) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(t), unsafe.Pointer(&src[0]), uintptr(t.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (t *Termios) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(t)))
+    hdr.Len = t.SizeBytes()
+    hdr.Cap = t.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that t
+    // must live until the use above.
+    runtime.KeepAlive(t) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (t *Termios) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return t.CopyOutN(cc, addr, t.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (t *Termios) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(t)))
+    hdr.Len = t.SizeBytes()
+    hdr.Cap = t.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that t
+    // must live until the use above.
+    runtime.KeepAlive(t) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (t *Termios) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(t)))
+    hdr.Len = t.SizeBytes()
+    hdr.Cap = t.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that t
+    // must live until the use above.
+    runtime.KeepAlive(t) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (w *WindowSize) SizeBytes() int {
+    return 4 +
+        1*4
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (w *WindowSize) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(w.Rows))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(w.Cols))
+    dst = dst[2:]
+    // Padding: dst[:sizeof(byte)*4] ~= [4]byte{0}
+    dst = dst[1*(4):]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (w *WindowSize) UnmarshalBytes(src []byte) {
+    w.Rows = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    w.Cols = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    // Padding: ~ copy([4]byte(w._), src[:sizeof(byte)*4])
+    src = src[1*(4):]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (w *WindowSize) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (w *WindowSize) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(w),  uintptr(w.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (w *WindowSize) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(w), unsafe.Pointer(&src[0]), uintptr(w.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (w *WindowSize) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(w)))
+    hdr.Len = w.SizeBytes()
+    hdr.Cap = w.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that w
+    // must live until the use above.
+    runtime.KeepAlive(w) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (w *WindowSize) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return w.CopyOutN(cc, addr, w.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (w *WindowSize) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(w)))
+    hdr.Len = w.SizeBytes()
+    hdr.Cap = w.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that w
+    // must live until the use above.
+    runtime.KeepAlive(w) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (w *WindowSize) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(w)))
+    hdr.Len = w.SizeBytes()
+    hdr.Cap = w.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that w
+    // must live until the use above.
+    runtime.KeepAlive(w) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (w *Winsize) SizeBytes() int {
+    return 8
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (w *Winsize) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(w.Row))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(w.Col))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(w.Xpixel))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(w.Ypixel))
+    dst = dst[2:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (w *Winsize) UnmarshalBytes(src []byte) {
+    w.Row = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    w.Col = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    w.Xpixel = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    w.Ypixel = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (w *Winsize) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (w *Winsize) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(w),  uintptr(w.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (w *Winsize) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(w), unsafe.Pointer(&src[0]), uintptr(w.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (w *Winsize) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(w)))
+    hdr.Len = w.SizeBytes()
+    hdr.Cap = w.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that w
+    // must live until the use above.
+    runtime.KeepAlive(w) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (w *Winsize) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return w.CopyOutN(cc, addr, w.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (w *Winsize) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(w)))
+    hdr.Len = w.SizeBytes()
+    hdr.Cap = w.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that w
+    // must live until the use above.
+    runtime.KeepAlive(w) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (w *Winsize) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(w)))
+    hdr.Len = w.SizeBytes()
+    hdr.Cap = w.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that w
+    // must live until the use above.
+    runtime.KeepAlive(w) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (u *UtsName) SizeBytes() int {
+    return 0 +
+        1*(UTSLen+1) +
+        1*(UTSLen+1) +
+        1*(UTSLen+1) +
+        1*(UTSLen+1) +
+        1*(UTSLen+1) +
+        1*(UTSLen+1)
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (u *UtsName) MarshalBytes(dst []byte) {
+    for idx := 0; idx < (UTSLen+1); idx++ {
+        dst[0] = byte(u.Sysname[idx])
+        dst = dst[1:]
+    }
+    for idx := 0; idx < (UTSLen+1); idx++ {
+        dst[0] = byte(u.Nodename[idx])
+        dst = dst[1:]
+    }
+    for idx := 0; idx < (UTSLen+1); idx++ {
+        dst[0] = byte(u.Release[idx])
+        dst = dst[1:]
+    }
+    for idx := 0; idx < (UTSLen+1); idx++ {
+        dst[0] = byte(u.Version[idx])
+        dst = dst[1:]
+    }
+    for idx := 0; idx < (UTSLen+1); idx++ {
+        dst[0] = byte(u.Machine[idx])
+        dst = dst[1:]
+    }
+    for idx := 0; idx < (UTSLen+1); idx++ {
+        dst[0] = byte(u.Domainname[idx])
+        dst = dst[1:]
+    }
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (u *UtsName) UnmarshalBytes(src []byte) {
+    for idx := 0; idx < (UTSLen+1); idx++ {
+        u.Sysname[idx] = src[0]
+        src = src[1:]
+    }
+    for idx := 0; idx < (UTSLen+1); idx++ {
+        u.Nodename[idx] = src[0]
+        src = src[1:]
+    }
+    for idx := 0; idx < (UTSLen+1); idx++ {
+        u.Release[idx] = src[0]
+        src = src[1:]
+    }
+    for idx := 0; idx < (UTSLen+1); idx++ {
+        u.Version[idx] = src[0]
+        src = src[1:]
+    }
+    for idx := 0; idx < (UTSLen+1); idx++ {
+        u.Machine[idx] = src[0]
+        src = src[1:]
+    }
+    for idx := 0; idx < (UTSLen+1); idx++ {
+        u.Domainname[idx] = src[0]
+        src = src[1:]
+    }
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (u *UtsName) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (u *UtsName) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(u),  uintptr(u.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (u *UtsName) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(u), unsafe.Pointer(&src[0]), uintptr(u.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (u *UtsName) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(u)))
+    hdr.Len = u.SizeBytes()
+    hdr.Cap = u.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that u
+    // must live until the use above.
+    runtime.KeepAlive(u) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (u *UtsName) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return u.CopyOutN(cc, addr, u.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (u *UtsName) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(u)))
+    hdr.Len = u.SizeBytes()
+    hdr.Cap = u.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that u
+    // must live until the use above.
+    runtime.KeepAlive(u) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (u *UtsName) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(u)))
+    hdr.Len = u.SizeBytes()
+    hdr.Cap = u.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that u
+    // must live until the use above.
+    runtime.KeepAlive(u) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
diff --git a/pkg/abi/linux/linux_amd64_abi_autogen_unsafe.go b/pkg/abi/linux/linux_amd64_abi_autogen_unsafe.go
new file mode 100644
index 000000000..1d479c196
--- /dev/null
+++ b/pkg/abi/linux/linux_amd64_abi_autogen_unsafe.go
@@ -0,0 +1,741 @@
+// Automatically generated marshal implementation. See tools/go_marshal.
+
+// If there are issues with build tag aggregation, see
+// tools/go_marshal/gomarshal/generator.go:writeHeader(). The build tags here
+// come from the input set of files used to generate this file. This input set
+// is filtered based on pre-defined file suffixes related to build tags, see 
+// tools/defs.bzl:calculate_sets().
+
+// +build amd64
+// +build amd64
+// +build amd64
+// +build amd64
+// +build amd64
+
+package linux
+
+import (
+    "gvisor.dev/gvisor/pkg/gohacks"
+    "gvisor.dev/gvisor/pkg/hostarch"
+    "gvisor.dev/gvisor/pkg/marshal"
+    "io"
+    "reflect"
+    "runtime"
+    "unsafe"
+)
+
+// Marshallable types used by this file.
+var _ marshal.Marshallable = (*EpollEvent)(nil)
+var _ marshal.Marshallable = (*IPCPerm)(nil)
+var _ marshal.Marshallable = (*PtraceRegs)(nil)
+var _ marshal.Marshallable = (*SemidDS)(nil)
+var _ marshal.Marshallable = (*Stat)(nil)
+var _ marshal.Marshallable = (*TimeT)(nil)
+var _ marshal.Marshallable = (*Timespec)(nil)
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (e *EpollEvent) SizeBytes() int {
+    return 4 +
+        4*2
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (e *EpollEvent) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(e.Events))
+    dst = dst[4:]
+    for idx := 0; idx < 2; idx++ {
+        hostarch.ByteOrder.PutUint32(dst[:4], uint32(e.Data[idx]))
+        dst = dst[4:]
+    }
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (e *EpollEvent) UnmarshalBytes(src []byte) {
+    e.Events = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    for idx := 0; idx < 2; idx++ {
+        e.Data[idx] = int32(hostarch.ByteOrder.Uint32(src[:4]))
+        src = src[4:]
+    }
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (e *EpollEvent) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (e *EpollEvent) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(e),  uintptr(e.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (e *EpollEvent) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(e), unsafe.Pointer(&src[0]), uintptr(e.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (e *EpollEvent) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(e)))
+    hdr.Len = e.SizeBytes()
+    hdr.Cap = e.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that e
+    // must live until the use above.
+    runtime.KeepAlive(e) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (e *EpollEvent) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return e.CopyOutN(cc, addr, e.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (e *EpollEvent) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(e)))
+    hdr.Len = e.SizeBytes()
+    hdr.Cap = e.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that e
+    // must live until the use above.
+    runtime.KeepAlive(e) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (e *EpollEvent) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(e)))
+    hdr.Len = e.SizeBytes()
+    hdr.Cap = e.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that e
+    // must live until the use above.
+    runtime.KeepAlive(e) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// CopyEpollEventSliceIn copies in a slice of EpollEvent objects from the task's memory.
+func CopyEpollEventSliceIn(cc marshal.CopyContext, addr hostarch.Addr, dst []EpollEvent) (int, error) {
+    count := len(dst)
+    if count == 0 {
+        return 0, nil
+    }
+    size := (*EpollEvent)(nil).SizeBytes()
+
+    ptr := unsafe.Pointer(&dst)
+    val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data))
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(val)
+    hdr.Len = size * count
+    hdr.Cap = size * count
+
+    length, err := cc.CopyInBytes(addr, buf)
+    // Since we bypassed the compiler's escape analysis, indicate that dst
+    // must live until the use above.
+    runtime.KeepAlive(dst) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyEpollEventSliceOut copies a slice of EpollEvent objects to the task's memory.
+func CopyEpollEventSliceOut(cc marshal.CopyContext, addr hostarch.Addr, src []EpollEvent) (int, error) {
+    count := len(src)
+    if count == 0 {
+        return 0, nil
+    }
+    size := (*EpollEvent)(nil).SizeBytes()
+
+    ptr := unsafe.Pointer(&src)
+    val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data))
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(val)
+    hdr.Len = size * count
+    hdr.Cap = size * count
+
+    length, err := cc.CopyOutBytes(addr, buf)
+    // Since we bypassed the compiler's escape analysis, indicate that src
+    // must live until the use above.
+    runtime.KeepAlive(src) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// MarshalUnsafeEpollEventSlice is like EpollEvent.MarshalUnsafe, but for a []EpollEvent.
+func MarshalUnsafeEpollEventSlice(src []EpollEvent, dst []byte) (int, error) {
+    count := len(src)
+    if count == 0 {
+        return 0, nil
+    }
+    size := (*EpollEvent)(nil).SizeBytes()
+
+    dst = dst[:size*count]
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&src[0]), uintptr(len(dst)))
+    return size * count, nil
+}
+
+// UnmarshalUnsafeEpollEventSlice is like EpollEvent.UnmarshalUnsafe, but for a []EpollEvent.
+func UnmarshalUnsafeEpollEventSlice(dst []EpollEvent, src []byte) (int, error) {
+    count := len(dst)
+    if count == 0 {
+        return 0, nil
+    }
+    size := (*EpollEvent)(nil).SizeBytes()
+
+    src = src[:(size*count)]
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&src[0]), uintptr(len(src)))
+    return count*size, nil
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (s *Stat) SizeBytes() int {
+    return 72 +
+        (*Timespec)(nil).SizeBytes() +
+        (*Timespec)(nil).SizeBytes() +
+        (*Timespec)(nil).SizeBytes() +
+        8*3
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (s *Stat) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.Dev))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.Ino))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.Nlink))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.Mode))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.UID))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.GID))
+    dst = dst[4:]
+    // Padding: dst[:sizeof(int32)] ~= int32(0)
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.Rdev))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.Size))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.Blksize))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.Blocks))
+    dst = dst[8:]
+    s.ATime.MarshalBytes(dst[:s.ATime.SizeBytes()])
+    dst = dst[s.ATime.SizeBytes():]
+    s.MTime.MarshalBytes(dst[:s.MTime.SizeBytes()])
+    dst = dst[s.MTime.SizeBytes():]
+    s.CTime.MarshalBytes(dst[:s.CTime.SizeBytes()])
+    dst = dst[s.CTime.SizeBytes():]
+    // Padding: dst[:sizeof(int64)*3] ~= [3]int64{0}
+    dst = dst[8*(3):]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (s *Stat) UnmarshalBytes(src []byte) {
+    s.Dev = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.Ino = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.Nlink = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.Mode = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.UID = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.GID = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    // Padding: var _ int32 ~= src[:sizeof(int32)]
+    src = src[4:]
+    s.Rdev = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.Size = int64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.Blksize = int64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.Blocks = int64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.ATime.UnmarshalBytes(src[:s.ATime.SizeBytes()])
+    src = src[s.ATime.SizeBytes():]
+    s.MTime.UnmarshalBytes(src[:s.MTime.SizeBytes()])
+    src = src[s.MTime.SizeBytes():]
+    s.CTime.UnmarshalBytes(src[:s.CTime.SizeBytes()])
+    src = src[s.CTime.SizeBytes():]
+    // Padding: ~ copy([3]int64(s._), src[:sizeof(int64)*3])
+    src = src[8*(3):]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (s *Stat) Packed() bool {
+    return s.ATime.Packed() && s.CTime.Packed() && s.MTime.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (s *Stat) MarshalUnsafe(dst []byte) {
+    if s.ATime.Packed() && s.CTime.Packed() && s.MTime.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(s),  uintptr(s.SizeBytes()))
+    } else {
+        // Type Stat doesn't have a packed layout in memory, fallback to MarshalBytes.
+        s.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (s *Stat) UnmarshalUnsafe(src []byte) {
+    if s.ATime.Packed() && s.CTime.Packed() && s.MTime.Packed() {
+        gohacks.Memmove(unsafe.Pointer(s), unsafe.Pointer(&src[0]), uintptr(s.SizeBytes()))
+    } else {
+        // Type Stat doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        s.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (s *Stat) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !s.ATime.Packed() && s.CTime.Packed() && s.MTime.Packed() {
+        // Type Stat doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
+        s.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (s *Stat) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return s.CopyOutN(cc, addr, s.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (s *Stat) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !s.ATime.Packed() && s.CTime.Packed() && s.MTime.Packed() {
+        // Type Stat doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        s.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (s *Stat) WriteTo(writer io.Writer) (int64, error) {
+    if !s.ATime.Packed() && s.CTime.Packed() && s.MTime.Packed() {
+        // Type Stat doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, s.SizeBytes())
+        s.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (p *PtraceRegs) SizeBytes() int {
+    return 216
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (p *PtraceRegs) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(p.R15))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(p.R14))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(p.R13))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(p.R12))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(p.Rbp))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(p.Rbx))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(p.R11))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(p.R10))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(p.R9))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(p.R8))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(p.Rax))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(p.Rcx))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(p.Rdx))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(p.Rsi))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(p.Rdi))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(p.Orig_rax))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(p.Rip))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(p.Cs))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(p.Eflags))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(p.Rsp))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(p.Ss))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(p.Fs_base))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(p.Gs_base))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(p.Ds))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(p.Es))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(p.Fs))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(p.Gs))
+    dst = dst[8:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (p *PtraceRegs) UnmarshalBytes(src []byte) {
+    p.R15 = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    p.R14 = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    p.R13 = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    p.R12 = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    p.Rbp = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    p.Rbx = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    p.R11 = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    p.R10 = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    p.R9 = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    p.R8 = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    p.Rax = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    p.Rcx = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    p.Rdx = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    p.Rsi = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    p.Rdi = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    p.Orig_rax = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    p.Rip = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    p.Cs = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    p.Eflags = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    p.Rsp = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    p.Ss = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    p.Fs_base = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    p.Gs_base = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    p.Ds = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    p.Es = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    p.Fs = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    p.Gs = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (p *PtraceRegs) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (p *PtraceRegs) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(p),  uintptr(p.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (p *PtraceRegs) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(p), unsafe.Pointer(&src[0]), uintptr(p.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (p *PtraceRegs) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(p)))
+    hdr.Len = p.SizeBytes()
+    hdr.Cap = p.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that p
+    // must live until the use above.
+    runtime.KeepAlive(p) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (p *PtraceRegs) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return p.CopyOutN(cc, addr, p.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (p *PtraceRegs) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(p)))
+    hdr.Len = p.SizeBytes()
+    hdr.Cap = p.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that p
+    // must live until the use above.
+    runtime.KeepAlive(p) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (p *PtraceRegs) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(p)))
+    hdr.Len = p.SizeBytes()
+    hdr.Cap = p.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that p
+    // must live until the use above.
+    runtime.KeepAlive(p) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (s *SemidDS) SizeBytes() int {
+    return 40 +
+        (*IPCPerm)(nil).SizeBytes() +
+        (*TimeT)(nil).SizeBytes() +
+        (*TimeT)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (s *SemidDS) MarshalBytes(dst []byte) {
+    s.SemPerm.MarshalBytes(dst[:s.SemPerm.SizeBytes()])
+    dst = dst[s.SemPerm.SizeBytes():]
+    s.SemOTime.MarshalBytes(dst[:s.SemOTime.SizeBytes()])
+    dst = dst[s.SemOTime.SizeBytes():]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.unused1))
+    dst = dst[8:]
+    s.SemCTime.MarshalBytes(dst[:s.SemCTime.SizeBytes()])
+    dst = dst[s.SemCTime.SizeBytes():]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.unused2))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.SemNSems))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.unused3))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.unused4))
+    dst = dst[8:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (s *SemidDS) UnmarshalBytes(src []byte) {
+    s.SemPerm.UnmarshalBytes(src[:s.SemPerm.SizeBytes()])
+    src = src[s.SemPerm.SizeBytes():]
+    s.SemOTime.UnmarshalBytes(src[:s.SemOTime.SizeBytes()])
+    src = src[s.SemOTime.SizeBytes():]
+    s.unused1 = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.SemCTime.UnmarshalBytes(src[:s.SemCTime.SizeBytes()])
+    src = src[s.SemCTime.SizeBytes():]
+    s.unused2 = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.SemNSems = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.unused3 = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.unused4 = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (s *SemidDS) Packed() bool {
+    return s.SemCTime.Packed() && s.SemOTime.Packed() && s.SemPerm.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (s *SemidDS) MarshalUnsafe(dst []byte) {
+    if s.SemCTime.Packed() && s.SemOTime.Packed() && s.SemPerm.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(s),  uintptr(s.SizeBytes()))
+    } else {
+        // Type SemidDS doesn't have a packed layout in memory, fallback to MarshalBytes.
+        s.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (s *SemidDS) UnmarshalUnsafe(src []byte) {
+    if s.SemCTime.Packed() && s.SemOTime.Packed() && s.SemPerm.Packed() {
+        gohacks.Memmove(unsafe.Pointer(s), unsafe.Pointer(&src[0]), uintptr(s.SizeBytes()))
+    } else {
+        // Type SemidDS doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        s.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (s *SemidDS) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !s.SemCTime.Packed() && s.SemOTime.Packed() && s.SemPerm.Packed() {
+        // Type SemidDS doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
+        s.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (s *SemidDS) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return s.CopyOutN(cc, addr, s.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (s *SemidDS) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !s.SemCTime.Packed() && s.SemOTime.Packed() && s.SemPerm.Packed() {
+        // Type SemidDS doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        s.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (s *SemidDS) WriteTo(writer io.Writer) (int64, error) {
+    if !s.SemCTime.Packed() && s.SemOTime.Packed() && s.SemPerm.Packed() {
+        // Type SemidDS doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, s.SizeBytes())
+        s.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
diff --git a/pkg/abi/linux/linux_amd64_state_autogen.go b/pkg/abi/linux/linux_amd64_state_autogen.go
new file mode 100644
index 000000000..d233a69df
--- /dev/null
+++ b/pkg/abi/linux/linux_amd64_state_autogen.go
@@ -0,0 +1,120 @@
+// automatically generated by stateify.
+
+// +build amd64
+// +build amd64
+// +build amd64
+// +build amd64
+// +build amd64
+
+package linux
+
+import (
+	"gvisor.dev/gvisor/pkg/state"
+)
+
+func (p *PtraceRegs) StateTypeName() string {
+	return "pkg/abi/linux.PtraceRegs"
+}
+
+func (p *PtraceRegs) StateFields() []string {
+	return []string{
+		"R15",
+		"R14",
+		"R13",
+		"R12",
+		"Rbp",
+		"Rbx",
+		"R11",
+		"R10",
+		"R9",
+		"R8",
+		"Rax",
+		"Rcx",
+		"Rdx",
+		"Rsi",
+		"Rdi",
+		"Orig_rax",
+		"Rip",
+		"Cs",
+		"Eflags",
+		"Rsp",
+		"Ss",
+		"Fs_base",
+		"Gs_base",
+		"Ds",
+		"Es",
+		"Fs",
+		"Gs",
+	}
+}
+
+func (p *PtraceRegs) beforeSave() {}
+
+// +checklocksignore
+func (p *PtraceRegs) StateSave(stateSinkObject state.Sink) {
+	p.beforeSave()
+	stateSinkObject.Save(0, &p.R15)
+	stateSinkObject.Save(1, &p.R14)
+	stateSinkObject.Save(2, &p.R13)
+	stateSinkObject.Save(3, &p.R12)
+	stateSinkObject.Save(4, &p.Rbp)
+	stateSinkObject.Save(5, &p.Rbx)
+	stateSinkObject.Save(6, &p.R11)
+	stateSinkObject.Save(7, &p.R10)
+	stateSinkObject.Save(8, &p.R9)
+	stateSinkObject.Save(9, &p.R8)
+	stateSinkObject.Save(10, &p.Rax)
+	stateSinkObject.Save(11, &p.Rcx)
+	stateSinkObject.Save(12, &p.Rdx)
+	stateSinkObject.Save(13, &p.Rsi)
+	stateSinkObject.Save(14, &p.Rdi)
+	stateSinkObject.Save(15, &p.Orig_rax)
+	stateSinkObject.Save(16, &p.Rip)
+	stateSinkObject.Save(17, &p.Cs)
+	stateSinkObject.Save(18, &p.Eflags)
+	stateSinkObject.Save(19, &p.Rsp)
+	stateSinkObject.Save(20, &p.Ss)
+	stateSinkObject.Save(21, &p.Fs_base)
+	stateSinkObject.Save(22, &p.Gs_base)
+	stateSinkObject.Save(23, &p.Ds)
+	stateSinkObject.Save(24, &p.Es)
+	stateSinkObject.Save(25, &p.Fs)
+	stateSinkObject.Save(26, &p.Gs)
+}
+
+func (p *PtraceRegs) afterLoad() {}
+
+// +checklocksignore
+func (p *PtraceRegs) StateLoad(stateSourceObject state.Source) {
+	stateSourceObject.Load(0, &p.R15)
+	stateSourceObject.Load(1, &p.R14)
+	stateSourceObject.Load(2, &p.R13)
+	stateSourceObject.Load(3, &p.R12)
+	stateSourceObject.Load(4, &p.Rbp)
+	stateSourceObject.Load(5, &p.Rbx)
+	stateSourceObject.Load(6, &p.R11)
+	stateSourceObject.Load(7, &p.R10)
+	stateSourceObject.Load(8, &p.R9)
+	stateSourceObject.Load(9, &p.R8)
+	stateSourceObject.Load(10, &p.Rax)
+	stateSourceObject.Load(11, &p.Rcx)
+	stateSourceObject.Load(12, &p.Rdx)
+	stateSourceObject.Load(13, &p.Rsi)
+	stateSourceObject.Load(14, &p.Rdi)
+	stateSourceObject.Load(15, &p.Orig_rax)
+	stateSourceObject.Load(16, &p.Rip)
+	stateSourceObject.Load(17, &p.Cs)
+	stateSourceObject.Load(18, &p.Eflags)
+	stateSourceObject.Load(19, &p.Rsp)
+	stateSourceObject.Load(20, &p.Ss)
+	stateSourceObject.Load(21, &p.Fs_base)
+	stateSourceObject.Load(22, &p.Gs_base)
+	stateSourceObject.Load(23, &p.Ds)
+	stateSourceObject.Load(24, &p.Es)
+	stateSourceObject.Load(25, &p.Fs)
+	stateSourceObject.Load(26, &p.Gs)
+}
+
+func init() {
+	state.Register((*PtraceRegs)(nil))
+}
diff --git a/pkg/abi/linux/linux_arm64_abi_autogen_unsafe.go b/pkg/abi/linux/linux_arm64_abi_autogen_unsafe.go
new file mode 100644
index 000000000..db4980c14
--- /dev/null
+++ b/pkg/abi/linux/linux_arm64_abi_autogen_unsafe.go
@@ -0,0 +1,653 @@
+// Automatically generated marshal implementation. See tools/go_marshal.
+
+// If there are issues with build tag aggregation, see
+// tools/go_marshal/gomarshal/generator.go:writeHeader(). The build tags here
+// come from the input set of files used to generate this file. This input set
+// is filtered based on pre-defined file suffixes related to build tags, see 
+// tools/defs.bzl:calculate_sets().
+
+// +build arm64
+// +build arm64
+// +build arm64
+// +build arm64
+
+package linux
+
+import (
+    "gvisor.dev/gvisor/pkg/gohacks"
+    "gvisor.dev/gvisor/pkg/hostarch"
+    "gvisor.dev/gvisor/pkg/marshal"
+    "io"
+    "reflect"
+    "runtime"
+    "unsafe"
+)
+
+// Marshallable types used by this file.
+var _ marshal.Marshallable = (*EpollEvent)(nil)
+var _ marshal.Marshallable = (*IPCPerm)(nil)
+var _ marshal.Marshallable = (*PtraceRegs)(nil)
+var _ marshal.Marshallable = (*SemidDS)(nil)
+var _ marshal.Marshallable = (*Stat)(nil)
+var _ marshal.Marshallable = (*TimeT)(nil)
+var _ marshal.Marshallable = (*Timespec)(nil)
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (e *EpollEvent) SizeBytes() int {
+    return 8 +
+        4*2
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (e *EpollEvent) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(e.Events))
+    dst = dst[4:]
+    // Padding: dst[:sizeof(int32)] ~= int32(0)
+    dst = dst[4:]
+    for idx := 0; idx < 2; idx++ {
+        hostarch.ByteOrder.PutUint32(dst[:4], uint32(e.Data[idx]))
+        dst = dst[4:]
+    }
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (e *EpollEvent) UnmarshalBytes(src []byte) {
+    e.Events = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    // Padding: var _ int32 ~= src[:sizeof(int32)]
+    src = src[4:]
+    for idx := 0; idx < 2; idx++ {
+        e.Data[idx] = int32(hostarch.ByteOrder.Uint32(src[:4]))
+        src = src[4:]
+    }
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (e *EpollEvent) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (e *EpollEvent) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(e),  uintptr(e.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (e *EpollEvent) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(e), unsafe.Pointer(&src[0]), uintptr(e.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (e *EpollEvent) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(e)))
+    hdr.Len = e.SizeBytes()
+    hdr.Cap = e.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that e
+    // must live until the use above.
+    runtime.KeepAlive(e) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (e *EpollEvent) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return e.CopyOutN(cc, addr, e.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (e *EpollEvent) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(e)))
+    hdr.Len = e.SizeBytes()
+    hdr.Cap = e.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that e
+    // must live until the use above.
+    runtime.KeepAlive(e) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (e *EpollEvent) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(e)))
+    hdr.Len = e.SizeBytes()
+    hdr.Cap = e.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that e
+    // must live until the use above.
+    runtime.KeepAlive(e) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// CopyEpollEventSliceIn copies in a slice of EpollEvent objects from the task's memory.
+func CopyEpollEventSliceIn(cc marshal.CopyContext, addr hostarch.Addr, dst []EpollEvent) (int, error) {
+    count := len(dst)
+    if count == 0 {
+        return 0, nil
+    }
+    size := (*EpollEvent)(nil).SizeBytes()
+
+    ptr := unsafe.Pointer(&dst)
+    val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data))
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(val)
+    hdr.Len = size * count
+    hdr.Cap = size * count
+
+    length, err := cc.CopyInBytes(addr, buf)
+    // Since we bypassed the compiler's escape analysis, indicate that dst
+    // must live until the use above.
+    runtime.KeepAlive(dst) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyEpollEventSliceOut copies a slice of EpollEvent objects to the task's memory.
+func CopyEpollEventSliceOut(cc marshal.CopyContext, addr hostarch.Addr, src []EpollEvent) (int, error) {
+    count := len(src)
+    if count == 0 {
+        return 0, nil
+    }
+    size := (*EpollEvent)(nil).SizeBytes()
+
+    ptr := unsafe.Pointer(&src)
+    val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data))
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(val)
+    hdr.Len = size * count
+    hdr.Cap = size * count
+
+    length, err := cc.CopyOutBytes(addr, buf)
+    // Since we bypassed the compiler's escape analysis, indicate that src
+    // must live until the use above.
+    runtime.KeepAlive(src) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// MarshalUnsafeEpollEventSlice is like EpollEvent.MarshalUnsafe, but for a []EpollEvent.
+func MarshalUnsafeEpollEventSlice(src []EpollEvent, dst []byte) (int, error) {
+    count := len(src)
+    if count == 0 {
+        return 0, nil
+    }
+    size := (*EpollEvent)(nil).SizeBytes()
+
+    dst = dst[:size*count]
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&src[0]), uintptr(len(dst)))
+    return size * count, nil
+}
+
+// UnmarshalUnsafeEpollEventSlice is like EpollEvent.UnmarshalUnsafe, but for a []EpollEvent.
+func UnmarshalUnsafeEpollEventSlice(dst []EpollEvent, src []byte) (int, error) {
+    count := len(dst)
+    if count == 0 {
+        return 0, nil
+    }
+    size := (*EpollEvent)(nil).SizeBytes()
+
+    src = src[:(size*count)]
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&src[0]), uintptr(len(src)))
+    return count*size, nil
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (s *Stat) SizeBytes() int {
+    return 72 +
+        (*Timespec)(nil).SizeBytes() +
+        (*Timespec)(nil).SizeBytes() +
+        (*Timespec)(nil).SizeBytes() +
+        4*2
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (s *Stat) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.Dev))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.Ino))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.Mode))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.Nlink))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.UID))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.GID))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.Rdev))
+    dst = dst[8:]
+    // Padding: dst[:sizeof(uint64)] ~= uint64(0)
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.Size))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(s.Blksize))
+    dst = dst[4:]
+    // Padding: dst[:sizeof(int32)] ~= int32(0)
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.Blocks))
+    dst = dst[8:]
+    s.ATime.MarshalBytes(dst[:s.ATime.SizeBytes()])
+    dst = dst[s.ATime.SizeBytes():]
+    s.MTime.MarshalBytes(dst[:s.MTime.SizeBytes()])
+    dst = dst[s.MTime.SizeBytes():]
+    s.CTime.MarshalBytes(dst[:s.CTime.SizeBytes()])
+    dst = dst[s.CTime.SizeBytes():]
+    // Padding: dst[:sizeof(int32)*2] ~= [2]int32{0}
+    dst = dst[4*(2):]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (s *Stat) UnmarshalBytes(src []byte) {
+    s.Dev = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.Ino = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.Mode = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.Nlink = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.UID = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.GID = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    s.Rdev = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    // Padding: var _ uint64 ~= src[:sizeof(uint64)]
+    src = src[8:]
+    s.Size = int64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.Blksize = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    // Padding: var _ int32 ~= src[:sizeof(int32)]
+    src = src[4:]
+    s.Blocks = int64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.ATime.UnmarshalBytes(src[:s.ATime.SizeBytes()])
+    src = src[s.ATime.SizeBytes():]
+    s.MTime.UnmarshalBytes(src[:s.MTime.SizeBytes()])
+    src = src[s.MTime.SizeBytes():]
+    s.CTime.UnmarshalBytes(src[:s.CTime.SizeBytes()])
+    src = src[s.CTime.SizeBytes():]
+    // Padding: ~ copy([2]int32(s._), src[:sizeof(int32)*2])
+    src = src[4*(2):]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (s *Stat) Packed() bool {
+    return s.ATime.Packed() && s.CTime.Packed() && s.MTime.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (s *Stat) MarshalUnsafe(dst []byte) {
+    if s.ATime.Packed() && s.CTime.Packed() && s.MTime.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(s),  uintptr(s.SizeBytes()))
+    } else {
+        // Type Stat doesn't have a packed layout in memory, fallback to MarshalBytes.
+        s.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (s *Stat) UnmarshalUnsafe(src []byte) {
+    if s.ATime.Packed() && s.CTime.Packed() && s.MTime.Packed() {
+        gohacks.Memmove(unsafe.Pointer(s), unsafe.Pointer(&src[0]), uintptr(s.SizeBytes()))
+    } else {
+        // Type Stat doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        s.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (s *Stat) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !s.ATime.Packed() && s.CTime.Packed() && s.MTime.Packed() {
+        // Type Stat doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
+        s.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (s *Stat) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return s.CopyOutN(cc, addr, s.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (s *Stat) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !s.ATime.Packed() && s.CTime.Packed() && s.MTime.Packed() {
+        // Type Stat doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        s.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (s *Stat) WriteTo(writer io.Writer) (int64, error) {
+    if !s.ATime.Packed() && s.CTime.Packed() && s.MTime.Packed() {
+        // Type Stat doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, s.SizeBytes())
+        s.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (p *PtraceRegs) SizeBytes() int {
+    return 24 +
+        8*31
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (p *PtraceRegs) MarshalBytes(dst []byte) {
+    for idx := 0; idx < 31; idx++ {
+        hostarch.ByteOrder.PutUint64(dst[:8], uint64(p.Regs[idx]))
+        dst = dst[8:]
+    }
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(p.Sp))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(p.Pc))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(p.Pstate))
+    dst = dst[8:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (p *PtraceRegs) UnmarshalBytes(src []byte) {
+    for idx := 0; idx < 31; idx++ {
+        p.Regs[idx] = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+        src = src[8:]
+    }
+    p.Sp = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    p.Pc = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    p.Pstate = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (p *PtraceRegs) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (p *PtraceRegs) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(p),  uintptr(p.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (p *PtraceRegs) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(p), unsafe.Pointer(&src[0]), uintptr(p.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (p *PtraceRegs) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(p)))
+    hdr.Len = p.SizeBytes()
+    hdr.Cap = p.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that p
+    // must live until the use above.
+    runtime.KeepAlive(p) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (p *PtraceRegs) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return p.CopyOutN(cc, addr, p.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (p *PtraceRegs) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(p)))
+    hdr.Len = p.SizeBytes()
+    hdr.Cap = p.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that p
+    // must live until the use above.
+    runtime.KeepAlive(p) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (p *PtraceRegs) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(p)))
+    hdr.Len = p.SizeBytes()
+    hdr.Cap = p.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that p
+    // must live until the use above.
+    runtime.KeepAlive(p) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (s *SemidDS) SizeBytes() int {
+    return 24 +
+        (*IPCPerm)(nil).SizeBytes() +
+        (*TimeT)(nil).SizeBytes() +
+        (*TimeT)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (s *SemidDS) MarshalBytes(dst []byte) {
+    s.SemPerm.MarshalBytes(dst[:s.SemPerm.SizeBytes()])
+    dst = dst[s.SemPerm.SizeBytes():]
+    s.SemOTime.MarshalBytes(dst[:s.SemOTime.SizeBytes()])
+    dst = dst[s.SemOTime.SizeBytes():]
+    s.SemCTime.MarshalBytes(dst[:s.SemCTime.SizeBytes()])
+    dst = dst[s.SemCTime.SizeBytes():]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.SemNSems))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.unused3))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(s.unused4))
+    dst = dst[8:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (s *SemidDS) UnmarshalBytes(src []byte) {
+    s.SemPerm.UnmarshalBytes(src[:s.SemPerm.SizeBytes()])
+    src = src[s.SemPerm.SizeBytes():]
+    s.SemOTime.UnmarshalBytes(src[:s.SemOTime.SizeBytes()])
+    src = src[s.SemOTime.SizeBytes():]
+    s.SemCTime.UnmarshalBytes(src[:s.SemCTime.SizeBytes()])
+    src = src[s.SemCTime.SizeBytes():]
+    s.SemNSems = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.unused3 = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    s.unused4 = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (s *SemidDS) Packed() bool {
+    return s.SemCTime.Packed() && s.SemOTime.Packed() && s.SemPerm.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (s *SemidDS) MarshalUnsafe(dst []byte) {
+    if s.SemCTime.Packed() && s.SemOTime.Packed() && s.SemPerm.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(s),  uintptr(s.SizeBytes()))
+    } else {
+        // Type SemidDS doesn't have a packed layout in memory, fallback to MarshalBytes.
+        s.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (s *SemidDS) UnmarshalUnsafe(src []byte) {
+    if s.SemCTime.Packed() && s.SemOTime.Packed() && s.SemPerm.Packed() {
+        gohacks.Memmove(unsafe.Pointer(s), unsafe.Pointer(&src[0]), uintptr(s.SizeBytes()))
+    } else {
+        // Type SemidDS doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        s.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (s *SemidDS) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !s.SemCTime.Packed() && s.SemOTime.Packed() && s.SemPerm.Packed() {
+        // Type SemidDS doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
+        s.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (s *SemidDS) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return s.CopyOutN(cc, addr, s.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (s *SemidDS) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !s.SemCTime.Packed() && s.SemOTime.Packed() && s.SemPerm.Packed() {
+        // Type SemidDS doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        s.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (s *SemidDS) WriteTo(writer io.Writer) (int64, error) {
+    if !s.SemCTime.Packed() && s.SemOTime.Packed() && s.SemPerm.Packed() {
+        // Type SemidDS doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, s.SizeBytes())
+        s.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s)))
+    hdr.Len = s.SizeBytes()
+    hdr.Cap = s.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that s
+    // must live until the use above.
+    runtime.KeepAlive(s) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
diff --git a/pkg/abi/linux/linux_arm64_state_autogen.go b/pkg/abi/linux/linux_arm64_state_autogen.go
new file mode 100644
index 000000000..8b08b2925
--- /dev/null
+++ b/pkg/abi/linux/linux_arm64_state_autogen.go
@@ -0,0 +1,50 @@
+// automatically generated by stateify.
+
+// +build arm64
+// +build arm64
+// +build arm64
+// +build arm64
+
+package linux
+
+import (
+	"gvisor.dev/gvisor/pkg/state"
+)
+
+func (p *PtraceRegs) StateTypeName() string {
+	return "pkg/abi/linux.PtraceRegs"
+}
+
+func (p *PtraceRegs) StateFields() []string {
+	return []string{
+		"Regs",
+		"Sp",
+		"Pc",
+		"Pstate",
+	}
+}
+
+func (p *PtraceRegs) beforeSave() {}
+
+// +checklocksignore
+func (p *PtraceRegs) StateSave(stateSinkObject state.Sink) {
+	p.beforeSave()
+	stateSinkObject.Save(0, &p.Regs)
+	stateSinkObject.Save(1, &p.Sp)
+	stateSinkObject.Save(2, &p.Pc)
+	stateSinkObject.Save(3, &p.Pstate)
+}
+
+func (p *PtraceRegs) afterLoad() {}
+
+// +checklocksignore
+func (p *PtraceRegs) StateLoad(stateSourceObject state.Source) {
+	stateSourceObject.Load(0, &p.Regs)
+	stateSourceObject.Load(1, &p.Sp)
+	stateSourceObject.Load(2, &p.Pc)
+	stateSourceObject.Load(3, &p.Pstate)
+}
+
+func init() {
+	state.Register((*PtraceRegs)(nil))
+}
diff --git a/pkg/abi/linux/linux_state_autogen.go b/pkg/abi/linux/linux_state_autogen.go
new file mode 100644
index 000000000..58d85e2ff
--- /dev/null
+++ b/pkg/abi/linux/linux_state_autogen.go
@@ -0,0 +1,255 @@
+// automatically generated by stateify.
+
+package linux
+
+import (
+	"gvisor.dev/gvisor/pkg/state"
+)
+
+func (i *IOEvent) StateTypeName() string {
+	return "pkg/abi/linux.IOEvent"
+}
+
+func (i *IOEvent) StateFields() []string {
+	return []string{
+		"Data",
+		"Obj",
+		"Result",
+		"Result2",
+	}
+}
+
+func (i *IOEvent) beforeSave() {}
+
+// +checklocksignore
+func (i *IOEvent) StateSave(stateSinkObject state.Sink) {
+	i.beforeSave()
+	stateSinkObject.Save(0, &i.Data)
+	stateSinkObject.Save(1, &i.Obj)
+	stateSinkObject.Save(2, &i.Result)
+	stateSinkObject.Save(3, &i.Result2)
+}
+
+func (i *IOEvent) afterLoad() {}
+
+// +checklocksignore
+func (i *IOEvent) StateLoad(stateSourceObject state.Source) {
+	stateSourceObject.Load(0, &i.Data)
+	stateSourceObject.Load(1, &i.Obj)
+	stateSourceObject.Load(2, &i.Result)
+	stateSourceObject.Load(3, &i.Result2)
+}
+
+func (b *BPFInstruction) StateTypeName() string {
+	return "pkg/abi/linux.BPFInstruction"
+}
+
+func (b *BPFInstruction) StateFields() []string {
+	return []string{
+		"OpCode",
+		"JumpIfTrue",
+		"JumpIfFalse",
+		"K",
+	}
+}
+
+func (b *BPFInstruction) beforeSave() {}
+
+// +checklocksignore
+func (b *BPFInstruction) StateSave(stateSinkObject state.Sink) {
+	b.beforeSave()
+	stateSinkObject.Save(0, &b.OpCode)
+	stateSinkObject.Save(1, &b.JumpIfTrue)
+	stateSinkObject.Save(2, &b.JumpIfFalse)
+	stateSinkObject.Save(3, &b.K)
+}
+
+func (b *BPFInstruction) afterLoad() {}
+
+// +checklocksignore
+func (b *BPFInstruction) StateLoad(stateSourceObject state.Source) {
+	stateSourceObject.Load(0, &b.OpCode)
+	stateSourceObject.Load(1, &b.JumpIfTrue)
+	stateSourceObject.Load(2, &b.JumpIfFalse)
+	stateSourceObject.Load(3, &b.K)
+}
+
+func (s *SigAction) StateTypeName() string {
+	return "pkg/abi/linux.SigAction"
+}
+
+func (s *SigAction) StateFields() []string {
+	return []string{
+		"Handler",
+		"Flags",
+		"Restorer",
+		"Mask",
+	}
+}
+
+func (s *SigAction) beforeSave() {}
+
+// +checklocksignore
+func (s *SigAction) StateSave(stateSinkObject state.Sink) {
+	s.beforeSave()
+	stateSinkObject.Save(0, &s.Handler)
+	stateSinkObject.Save(1, &s.Flags)
+	stateSinkObject.Save(2, &s.Restorer)
+	stateSinkObject.Save(3, &s.Mask)
+}
+
+func (s *SigAction) afterLoad() {}
+
+// +checklocksignore
+func (s *SigAction) StateLoad(stateSourceObject state.Source) {
+	stateSourceObject.Load(0, &s.Handler)
+	stateSourceObject.Load(1, &s.Flags)
+	stateSourceObject.Load(2, &s.Restorer)
+	stateSourceObject.Load(3, &s.Mask)
+}
+
+func (s *SignalStack) StateTypeName() string {
+	return "pkg/abi/linux.SignalStack"
+}
+
+func (s *SignalStack) StateFields() []string {
+	return []string{
+		"Addr",
+		"Flags",
+		"Size",
+	}
+}
+
+func (s *SignalStack) beforeSave() {}
+
+// +checklocksignore
+func (s *SignalStack) StateSave(stateSinkObject state.Sink) {
+	s.beforeSave()
+	stateSinkObject.Save(0, &s.Addr)
+	stateSinkObject.Save(1, &s.Flags)
+	stateSinkObject.Save(2, &s.Size)
+}
+
+func (s *SignalStack) afterLoad() {}
+
+// +checklocksignore
+func (s *SignalStack) StateLoad(stateSourceObject state.Source) {
+	stateSourceObject.Load(0, &s.Addr)
+	stateSourceObject.Load(1, &s.Flags)
+	stateSourceObject.Load(2, &s.Size)
+}
+
+func (c *ControlMessageIPPacketInfo) StateTypeName() string {
+	return "pkg/abi/linux.ControlMessageIPPacketInfo"
+}
+
+func (c *ControlMessageIPPacketInfo) StateFields() []string {
+	return []string{
+		"NIC",
+		"LocalAddr",
+		"DestinationAddr",
+	}
+}
+
+func (c *ControlMessageIPPacketInfo) beforeSave() {}
+
+// +checklocksignore
+func (c *ControlMessageIPPacketInfo) StateSave(stateSinkObject state.Sink) {
+	c.beforeSave()
+	stateSinkObject.Save(0, &c.NIC)
+	stateSinkObject.Save(1, &c.LocalAddr)
+	stateSinkObject.Save(2, &c.DestinationAddr)
+}
+
+func (c *ControlMessageIPPacketInfo) afterLoad() {}
+
+// +checklocksignore
+func (c *ControlMessageIPPacketInfo) StateLoad(stateSourceObject state.Source) {
+	stateSourceObject.Load(0, &c.NIC)
+	stateSourceObject.Load(1, &c.LocalAddr)
+	stateSourceObject.Load(2, &c.DestinationAddr)
+}
+
+func (t *KernelTermios) StateTypeName() string {
+	return "pkg/abi/linux.KernelTermios"
+}
+
+func (t *KernelTermios) StateFields() []string {
+	return []string{
+		"InputFlags",
+		"OutputFlags",
+		"ControlFlags",
+		"LocalFlags",
+		"LineDiscipline",
+		"ControlCharacters",
+		"InputSpeed",
+		"OutputSpeed",
+	}
+}
+
+func (t *KernelTermios) beforeSave() {}
+
+// +checklocksignore
+func (t *KernelTermios) StateSave(stateSinkObject state.Sink) {
+	t.beforeSave()
+	stateSinkObject.Save(0, &t.InputFlags)
+	stateSinkObject.Save(1, &t.OutputFlags)
+	stateSinkObject.Save(2, &t.ControlFlags)
+	stateSinkObject.Save(3, &t.LocalFlags)
+	stateSinkObject.Save(4, &t.LineDiscipline)
+	stateSinkObject.Save(5, &t.ControlCharacters)
+	stateSinkObject.Save(6, &t.InputSpeed)
+	stateSinkObject.Save(7, &t.OutputSpeed)
+}
+
+func (t *KernelTermios) afterLoad() {}
+
+// +checklocksignore
+func (t *KernelTermios) StateLoad(stateSourceObject state.Source) {
+	stateSourceObject.Load(0, &t.InputFlags)
+	stateSourceObject.Load(1, &t.OutputFlags)
+	stateSourceObject.Load(2, &t.ControlFlags)
+	stateSourceObject.Load(3, &t.LocalFlags)
+	stateSourceObject.Load(4, &t.LineDiscipline)
+	stateSourceObject.Load(5, &t.ControlCharacters)
+	stateSourceObject.Load(6, &t.InputSpeed)
+	stateSourceObject.Load(7, &t.OutputSpeed)
+}
+
+func (w *WindowSize) StateTypeName() string {
+	return "pkg/abi/linux.WindowSize"
+}
+
+func (w *WindowSize) StateFields() []string {
+	return []string{
+		"Rows",
+		"Cols",
+	}
+}
+
+func (w *WindowSize) beforeSave() {}
+
+// +checklocksignore
+func (w *WindowSize) StateSave(stateSinkObject state.Sink) {
+	w.beforeSave()
+	stateSinkObject.Save(0, &w.Rows)
+	stateSinkObject.Save(1, &w.Cols)
+}
+
+func (w *WindowSize) afterLoad() {}
+
+// +checklocksignore
+func (w *WindowSize) StateLoad(stateSourceObject state.Source) {
+	stateSourceObject.Load(0, &w.Rows)
+	stateSourceObject.Load(1, &w.Cols)
+}
+
+func init() {
+	state.Register((*IOEvent)(nil))
+	state.Register((*BPFInstruction)(nil))
+	state.Register((*SigAction)(nil))
+	state.Register((*SignalStack)(nil))
+	state.Register((*ControlMessageIPPacketInfo)(nil))
+	state.Register((*KernelTermios)(nil))
+	state.Register((*WindowSize)(nil))
+}
diff --git a/pkg/abi/linux/netfilter_test.go b/pkg/abi/linux/netfilter_test.go
deleted file mode 100644
index 600820a0b..000000000
--- a/pkg/abi/linux/netfilter_test.go
+++ /dev/null
@@ -1,48 +0,0 @@
-// Copyright 2019 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package linux
-
-import (
-	"encoding/binary"
-	"testing"
-)
-
-func TestSizes(t *testing.T) {
-	testCases := []struct {
-		typ     interface{}
-		defined uintptr
-	}{
-		{IPTEntry{}, SizeOfIPTEntry},
-		{IPTGetEntries{}, SizeOfIPTGetEntries},
-		{IPTGetinfo{}, SizeOfIPTGetinfo},
-		{IPTIP{}, SizeOfIPTIP},
-		{IPTOwnerInfo{}, SizeOfIPTOwnerInfo},
-		{IPTReplace{}, SizeOfIPTReplace},
-		{XTCounters{}, SizeOfXTCounters},
-		{XTEntryMatch{}, SizeOfXTEntryMatch},
-		{XTEntryTarget{}, SizeOfXTEntryTarget},
-		{XTErrorTarget{}, SizeOfXTErrorTarget},
-		{XTStandardTarget{}, SizeOfXTStandardTarget},
-		{IP6TReplace{}, SizeOfIP6TReplace},
-		{IP6TEntry{}, SizeOfIP6TEntry},
-		{IP6TIP{}, SizeOfIP6TIP},
-	}
-
-	for _, tc := range testCases {
-		if calculated := uintptr(binary.Size(tc.typ)); calculated != tc.defined {
-			t.Errorf("%T has a defined size of %d and calculated size of %d", tc.typ, tc.defined, calculated)
-		}
-	}
-}