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-rw-r--r--pkg/abi/linux/BUILD86
-rw-r--r--pkg/abi/linux/linux_abi_autogen_unsafe.go1030
-rw-r--r--pkg/abi/linux/linux_amd64_abi_autogen_unsafe.go585
-rw-r--r--pkg/abi/linux/linux_amd64_state_autogen.go117
-rw-r--r--pkg/abi/linux/linux_arm64_abi_autogen_unsafe.go505
-rw-r--r--pkg/abi/linux/linux_arm64_state_autogen.go47
-rw-r--r--pkg/abi/linux/linux_state_autogen.go148
-rw-r--r--pkg/abi/linux/netfilter_test.go46
8 files changed, 2432 insertions, 132 deletions
diff --git a/pkg/abi/linux/BUILD b/pkg/abi/linux/BUILD
deleted file mode 100644
index 2b789c4ec..000000000
--- a/pkg/abi/linux/BUILD
+++ /dev/null
@@ -1,86 +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",
- "dev.go",
- "elf.go",
- "epoll.go",
- "epoll_amd64.go",
- "epoll_arm64.go",
- "errors.go",
- "eventfd.go",
- "exec.go",
- "fadvise.go",
- "fcntl.go",
- "file.go",
- "file_amd64.go",
- "file_arm64.go",
- "fs.go",
- "futex.go",
- "inotify.go",
- "ioctl.go",
- "ioctl_tun.go",
- "ip.go",
- "ipc.go",
- "limits.go",
- "linux.go",
- "mm.go",
- "netdevice.go",
- "netfilter.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",
- "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/binary",
- "//pkg/bits",
- ],
-)
-
-go_test(
- name = "linux_test",
- size = "small",
- srcs = ["netfilter_test.go"],
- library = ":linux",
- deps = [
- "//pkg/binary",
- ],
-)
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..655b4ee9c
--- /dev/null
+++ b/pkg/abi/linux/linux_abi_autogen_unsafe.go
@@ -0,0 +1,1030 @@
+// Automatically generated marshal implementation. See tools/go_marshal.
+
+package linux
+
+import (
+ "gvisor.dev/gvisor/pkg/gohacks"
+ "gvisor.dev/gvisor/pkg/safecopy"
+ "gvisor.dev/gvisor/pkg/usermem"
+ "gvisor.dev/gvisor/tools/go_marshal/marshal"
+ "io"
+ "reflect"
+ "runtime"
+ "unsafe"
+)
+
+// Marshallable types used by this file.
+var _ marshal.Marshallable = (*NumaPolicy)(nil)
+var _ marshal.Marshallable = (*RSeqCriticalSection)(nil)
+var _ marshal.Marshallable = (*SignalSet)(nil)
+var _ marshal.Marshallable = (*Statfs)(nil)
+var _ marshal.Marshallable = (*Statx)(nil)
+var _ marshal.Marshallable = (*StatxTimestamp)(nil)
+var _ marshal.Marshallable = (*Timespec)(nil)
+var _ marshal.Marshallable = (*Timeval)(nil)
+var _ marshal.Marshallable = (*Utime)(nil)
+
+// 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) {
+ usermem.ByteOrder.PutUint32(dst[:4], uint32(s.Mask))
+ dst = dst[4:]
+ usermem.ByteOrder.PutUint32(dst[:4], uint32(s.Blksize))
+ dst = dst[4:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Attributes))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint32(dst[:4], uint32(s.Nlink))
+ dst = dst[4:]
+ usermem.ByteOrder.PutUint32(dst[:4], uint32(s.UID))
+ dst = dst[4:]
+ usermem.ByteOrder.PutUint32(dst[:4], uint32(s.GID))
+ dst = dst[4:]
+ usermem.ByteOrder.PutUint16(dst[:2], uint16(s.Mode))
+ dst = dst[2:]
+ // Padding: dst[:sizeof(uint16)] ~= uint16(0)
+ dst = dst[2:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Ino))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Size))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Blocks))
+ dst = dst[8:]
+ usermem.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():]
+ usermem.ByteOrder.PutUint32(dst[:4], uint32(s.RdevMajor))
+ dst = dst[4:]
+ usermem.ByteOrder.PutUint32(dst[:4], uint32(s.RdevMinor))
+ dst = dst[4:]
+ usermem.ByteOrder.PutUint32(dst[:4], uint32(s.DevMajor))
+ dst = dst[4:]
+ usermem.ByteOrder.PutUint32(dst[:4], uint32(s.DevMinor))
+ dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (s *Statx) UnmarshalBytes(src []byte) {
+ s.Mask = uint32(usermem.ByteOrder.Uint32(src[:4]))
+ src = src[4:]
+ s.Blksize = uint32(usermem.ByteOrder.Uint32(src[:4]))
+ src = src[4:]
+ s.Attributes = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ s.Nlink = uint32(usermem.ByteOrder.Uint32(src[:4]))
+ src = src[4:]
+ s.UID = uint32(usermem.ByteOrder.Uint32(src[:4]))
+ src = src[4:]
+ s.GID = uint32(usermem.ByteOrder.Uint32(src[:4]))
+ src = src[4:]
+ s.Mode = uint16(usermem.ByteOrder.Uint16(src[:2]))
+ src = src[2:]
+ // Padding: var _ uint16 ~= src[:sizeof(uint16)]
+ src = src[2:]
+ s.Ino = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ s.Size = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ s.Blocks = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ s.AttributesMask = uint64(usermem.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(usermem.ByteOrder.Uint32(src[:4]))
+ src = src[4:]
+ s.RdevMinor = uint32(usermem.ByteOrder.Uint32(src[:4]))
+ src = src[4:]
+ s.DevMajor = uint32(usermem.ByteOrder.Uint32(src[:4]))
+ src = src[4:]
+ s.DevMinor = uint32(usermem.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.Mtime.Packed() && s.Atime.Packed() && s.Btime.Packed() && s.Ctime.Packed() {
+ safecopy.CopyIn(dst, unsafe.Pointer(s))
+ } else {
+ 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() {
+ safecopy.CopyOut(unsafe.Pointer(s), src)
+ } else {
+ s.UnmarshalBytes(src)
+ }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (s *Statx) CopyOutN(task marshal.Task, addr usermem.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 := task.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
+ s.MarshalBytes(buf) // escapes: fallback.
+ return task.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 := task.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)
+ return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (s *Statx) CopyOut(task marshal.Task, addr usermem.Addr) (int, error) {
+ return s.CopyOutN(task, addr, s.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (s *Statx) CopyIn(task marshal.Task, addr usermem.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 := task.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
+ length, err := task.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 := task.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)
+ return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (s *Statx) WriteTo(w 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 := w.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 := w.Write(buf)
+ // Since we bypassed the compiler's escape analysis, indicate that s
+ // must live until the use above.
+ runtime.KeepAlive(s)
+ 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) {
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Type))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.BlockSize))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Blocks))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.BlocksFree))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.BlocksAvailable))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Files))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.FilesFree))
+ dst = dst[8:]
+ for idx := 0; idx < 2; idx++ {
+ usermem.ByteOrder.PutUint32(dst[:4], uint32(s.FSID[idx]))
+ dst = dst[4:]
+ }
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.NameLength))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.FragmentSize))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Flags))
+ dst = dst[8:]
+ for idx := 0; idx < 4; idx++ {
+ usermem.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(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ s.BlockSize = int64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ s.Blocks = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ s.BlocksFree = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ s.BlocksAvailable = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ s.Files = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ s.FilesFree = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ for idx := 0; idx < 2; idx++ {
+ s.FSID[idx] = int32(usermem.ByteOrder.Uint32(src[:4]))
+ src = src[4:]
+ }
+ s.NameLength = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ s.FragmentSize = int64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ s.Flags = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ for idx := 0; idx < 4; idx++ {
+ s.Spare[idx] = uint64(usermem.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) {
+ safecopy.CopyIn(dst, unsafe.Pointer(s))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (s *Statfs) UnmarshalUnsafe(src []byte) {
+ safecopy.CopyOut(unsafe.Pointer(s), src)
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (s *Statfs) CopyOutN(task marshal.Task, addr usermem.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 := task.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)
+ return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (s *Statfs) CopyOut(task marshal.Task, addr usermem.Addr) (int, error) {
+ return s.CopyOutN(task, addr, s.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (s *Statfs) CopyIn(task marshal.Task, addr usermem.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 := task.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)
+ return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (s *Statfs) 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)
+ 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) {
+ usermem.ByteOrder.PutUint32(dst[:4], uint32(*n))
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (n *NumaPolicy) UnmarshalBytes(src []byte) {
+ *n = NumaPolicy(int32(usermem.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) {
+ safecopy.CopyIn(dst, unsafe.Pointer(n))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (n *NumaPolicy) UnmarshalUnsafe(src []byte) {
+ safecopy.CopyOut(unsafe.Pointer(n), src)
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (n *NumaPolicy) CopyOutN(task marshal.Task, addr usermem.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 := task.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)
+ return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (n *NumaPolicy) CopyOut(task marshal.Task, addr usermem.Addr) (int, error) {
+ return n.CopyOutN(task, addr, n.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (n *NumaPolicy) CopyIn(task marshal.Task, addr usermem.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 := task.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)
+ 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)
+ return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (r *RSeqCriticalSection) SizeBytes() int {
+ return 32
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (r *RSeqCriticalSection) MarshalBytes(dst []byte) {
+ usermem.ByteOrder.PutUint32(dst[:4], uint32(r.Version))
+ dst = dst[4:]
+ usermem.ByteOrder.PutUint32(dst[:4], uint32(r.Flags))
+ dst = dst[4:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(r.Start))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(r.PostCommitOffset))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(r.Abort))
+ dst = dst[8:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (r *RSeqCriticalSection) UnmarshalBytes(src []byte) {
+ r.Version = uint32(usermem.ByteOrder.Uint32(src[:4]))
+ src = src[4:]
+ r.Flags = uint32(usermem.ByteOrder.Uint32(src[:4]))
+ src = src[4:]
+ r.Start = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ r.PostCommitOffset = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ r.Abort = uint64(usermem.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) {
+ safecopy.CopyIn(dst, unsafe.Pointer(r))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (r *RSeqCriticalSection) UnmarshalUnsafe(src []byte) {
+ safecopy.CopyOut(unsafe.Pointer(r), src)
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (r *RSeqCriticalSection) CopyOutN(task marshal.Task, addr usermem.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 := task.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)
+ return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (r *RSeqCriticalSection) CopyOut(task marshal.Task, addr usermem.Addr) (int, error) {
+ return r.CopyOutN(task, addr, r.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (r *RSeqCriticalSection) CopyIn(task marshal.Task, addr usermem.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 := task.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)
+ return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (r *RSeqCriticalSection) 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(r)))
+ hdr.Len = r.SizeBytes()
+ hdr.Cap = r.SizeBytes()
+
+ length, err := w.Write(buf)
+ // Since we bypassed the compiler's escape analysis, indicate that r
+ // must live until the use above.
+ runtime.KeepAlive(r)
+ 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) {
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(*s))
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (s *SignalSet) UnmarshalBytes(src []byte) {
+ *s = SignalSet(uint64(usermem.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) {
+ safecopy.CopyIn(dst, unsafe.Pointer(s))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (s *SignalSet) UnmarshalUnsafe(src []byte) {
+ safecopy.CopyOut(unsafe.Pointer(s), src)
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (s *SignalSet) CopyOutN(task marshal.Task, addr usermem.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 := task.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)
+ return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (s *SignalSet) CopyOut(task marshal.Task, addr usermem.Addr) (int, error) {
+ return s.CopyOutN(task, addr, s.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (s *SignalSet) CopyIn(task marshal.Task, addr usermem.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 := task.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)
+ 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)
+ return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (t *Timespec) SizeBytes() int {
+ return 16
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (t *Timespec) MarshalBytes(dst []byte) {
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(t.Sec))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(t.Nsec))
+ dst = dst[8:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (t *Timespec) UnmarshalBytes(src []byte) {
+ t.Sec = int64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ t.Nsec = int64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (t *Timespec) Packed() bool {
+ return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (t *Timespec) MarshalUnsafe(dst []byte) {
+ safecopy.CopyIn(dst, unsafe.Pointer(t))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (t *Timespec) UnmarshalUnsafe(src []byte) {
+ safecopy.CopyOut(unsafe.Pointer(t), src)
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (t *Timespec) CopyOutN(task marshal.Task, addr usermem.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 := task.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)
+ return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (t *Timespec) CopyOut(task marshal.Task, addr usermem.Addr) (int, error) {
+ return t.CopyOutN(task, addr, t.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (t *Timespec) CopyIn(task marshal.Task, addr usermem.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 := task.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)
+ return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (t *Timespec) 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)
+ return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (t *Timeval) SizeBytes() int {
+ return 16
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (t *Timeval) MarshalBytes(dst []byte) {
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(t.Sec))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(t.Usec))
+ dst = dst[8:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (t *Timeval) UnmarshalBytes(src []byte) {
+ t.Sec = int64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ t.Usec = int64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (t *Timeval) Packed() bool {
+ return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (t *Timeval) MarshalUnsafe(dst []byte) {
+ safecopy.CopyIn(dst, unsafe.Pointer(t))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (t *Timeval) UnmarshalUnsafe(src []byte) {
+ safecopy.CopyOut(unsafe.Pointer(t), src)
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (t *Timeval) CopyOutN(task marshal.Task, addr usermem.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 := task.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)
+ return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (t *Timeval) CopyOut(task marshal.Task, addr usermem.Addr) (int, error) {
+ return t.CopyOutN(task, addr, t.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (t *Timeval) CopyIn(task marshal.Task, addr usermem.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 := task.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)
+ return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (t *Timeval) 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)
+ return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (s *StatxTimestamp) SizeBytes() int {
+ return 16
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (s *StatxTimestamp) MarshalBytes(dst []byte) {
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Sec))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint32(dst[:4], uint32(s.Nsec))
+ dst = dst[4:]
+ // Padding: dst[:sizeof(int32)] ~= int32(0)
+ dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (s *StatxTimestamp) UnmarshalBytes(src []byte) {
+ s.Sec = int64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ s.Nsec = uint32(usermem.ByteOrder.Uint32(src[:4]))
+ src = src[4:]
+ // Padding: var _ int32 ~= src[:sizeof(int32)]
+ src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (s *StatxTimestamp) Packed() bool {
+ return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (s *StatxTimestamp) MarshalUnsafe(dst []byte) {
+ safecopy.CopyIn(dst, unsafe.Pointer(s))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (s *StatxTimestamp) UnmarshalUnsafe(src []byte) {
+ safecopy.CopyOut(unsafe.Pointer(s), src)
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (s *StatxTimestamp) CopyOutN(task marshal.Task, addr usermem.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 := task.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)
+ return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (s *StatxTimestamp) CopyOut(task marshal.Task, addr usermem.Addr) (int, error) {
+ return s.CopyOutN(task, addr, s.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (s *StatxTimestamp) CopyIn(task marshal.Task, addr usermem.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 := task.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)
+ return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (s *StatxTimestamp) 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)
+ 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) {
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(u.Actime))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(u.Modtime))
+ dst = dst[8:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (u *Utime) UnmarshalBytes(src []byte) {
+ u.Actime = int64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ u.Modtime = int64(usermem.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) {
+ safecopy.CopyIn(dst, unsafe.Pointer(u))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (u *Utime) UnmarshalUnsafe(src []byte) {
+ safecopy.CopyOut(unsafe.Pointer(u), src)
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (u *Utime) CopyOutN(task marshal.Task, addr usermem.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 := task.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)
+ return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (u *Utime) CopyOut(task marshal.Task, addr usermem.Addr) (int, error) {
+ return u.CopyOutN(task, addr, u.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (u *Utime) CopyIn(task marshal.Task, addr usermem.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 := task.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)
+ return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (u *Utime) 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(u)))
+ hdr.Len = u.SizeBytes()
+ hdr.Cap = u.SizeBytes()
+
+ length, err := w.Write(buf)
+ // Since we bypassed the compiler's escape analysis, indicate that u
+ // must live until the use above.
+ runtime.KeepAlive(u)
+ 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..ad674f6de
--- /dev/null
+++ b/pkg/abi/linux/linux_amd64_abi_autogen_unsafe.go
@@ -0,0 +1,585 @@
+// Automatically generated marshal implementation. See tools/go_marshal.
+
+// +build amd64
+// +build amd64
+// +build amd64
+// +build amd64
+
+package linux
+
+import (
+ "gvisor.dev/gvisor/pkg/gohacks"
+ "gvisor.dev/gvisor/pkg/safecopy"
+ "gvisor.dev/gvisor/pkg/usermem"
+ "gvisor.dev/gvisor/tools/go_marshal/marshal"
+ "io"
+ "reflect"
+ "runtime"
+ "unsafe"
+)
+
+// Marshallable types used by this file.
+var _ marshal.Marshallable = (*EpollEvent)(nil)
+var _ marshal.Marshallable = (*PtraceRegs)(nil)
+var _ marshal.Marshallable = (*Stat)(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) {
+ usermem.ByteOrder.PutUint32(dst[:4], uint32(e.Events))
+ dst = dst[4:]
+ for idx := 0; idx < 2; idx++ {
+ usermem.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(usermem.ByteOrder.Uint32(src[:4]))
+ src = src[4:]
+ for idx := 0; idx < 2; idx++ {
+ e.Data[idx] = int32(usermem.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) {
+ safecopy.CopyIn(dst, unsafe.Pointer(e))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (e *EpollEvent) UnmarshalUnsafe(src []byte) {
+ safecopy.CopyOut(unsafe.Pointer(e), src)
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (e *EpollEvent) CopyOutN(task marshal.Task, addr usermem.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 := task.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)
+ return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (e *EpollEvent) CopyOut(task marshal.Task, addr usermem.Addr) (int, error) {
+ return e.CopyOutN(task, addr, e.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (e *EpollEvent) CopyIn(task marshal.Task, addr usermem.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 := task.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)
+ return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (e *EpollEvent) 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(e)))
+ hdr.Len = e.SizeBytes()
+ hdr.Cap = e.SizeBytes()
+
+ length, err := w.Write(buf)
+ // Since we bypassed the compiler's escape analysis, indicate that e
+ // must live until the use above.
+ runtime.KeepAlive(e)
+ return int64(length), err
+}
+
+// CopyEpollEventSliceIn copies in a slice of EpollEvent objects from the task's memory.
+func CopyEpollEventSliceIn(task marshal.Task, addr usermem.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 := task.CopyInBytes(addr, buf)
+ // Since we bypassed the compiler's escape analysis, indicate that dst
+ // must live until the use above.
+ runtime.KeepAlive(dst)
+ return length, err
+}
+
+// CopyEpollEventSliceOut copies a slice of EpollEvent objects to the task's memory.
+func CopyEpollEventSliceOut(task marshal.Task, addr usermem.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 := task.CopyOutBytes(addr, buf)
+ // Since we bypassed the compiler's escape analysis, indicate that src
+ // must live until the use above.
+ runtime.KeepAlive(src)
+ 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()
+
+ ptr := unsafe.Pointer(&src)
+ val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data))
+
+ length, err := safecopy.CopyIn(dst[:(size*count)], val)
+ // Since we bypassed the compiler's escape analysis, indicate that src
+ // must live until the use above.
+ runtime.KeepAlive(src)
+ return length, err
+}
+
+// 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()
+
+ ptr := unsafe.Pointer(&dst)
+ val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data))
+
+ length, err := safecopy.CopyOut(val, src[:(size*count)])
+ // Since we bypassed the compiler's escape analysis, indicate that dst
+ // must live until the use above.
+ runtime.KeepAlive(dst)
+ return length, err
+}
+
+// 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) {
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Dev))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Ino))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Nlink))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint32(dst[:4], uint32(s.Mode))
+ dst = dst[4:]
+ usermem.ByteOrder.PutUint32(dst[:4], uint32(s.UID))
+ dst = dst[4:]
+ usermem.ByteOrder.PutUint32(dst[:4], uint32(s.GID))
+ dst = dst[4:]
+ // Padding: dst[:sizeof(int32)] ~= int32(0)
+ dst = dst[4:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Rdev))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Size))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Blksize))
+ dst = dst[8:]
+ usermem.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(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ s.Ino = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ s.Nlink = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ s.Mode = uint32(usermem.ByteOrder.Uint32(src[:4]))
+ src = src[4:]
+ s.UID = uint32(usermem.ByteOrder.Uint32(src[:4]))
+ src = src[4:]
+ s.GID = uint32(usermem.ByteOrder.Uint32(src[:4]))
+ src = src[4:]
+ // Padding: var _ int32 ~= src[:sizeof(int32)]
+ src = src[4:]
+ s.Rdev = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ s.Size = int64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ s.Blksize = int64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ s.Blocks = int64(usermem.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.MTime.Packed() && s.CTime.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (s *Stat) MarshalUnsafe(dst []byte) {
+ if s.MTime.Packed() && s.CTime.Packed() && s.ATime.Packed() {
+ safecopy.CopyIn(dst, unsafe.Pointer(s))
+ } else {
+ s.MarshalBytes(dst)
+ }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (s *Stat) UnmarshalUnsafe(src []byte) {
+ if s.ATime.Packed() && s.MTime.Packed() && s.CTime.Packed() {
+ safecopy.CopyOut(unsafe.Pointer(s), src)
+ } else {
+ s.UnmarshalBytes(src)
+ }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (s *Stat) CopyOutN(task marshal.Task, addr usermem.Addr, limit int) (int, error) {
+ if !s.ATime.Packed() && s.MTime.Packed() && s.CTime.Packed() {
+ // Type Stat doesn't have a packed layout in memory, fall back to MarshalBytes.
+ buf := task.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
+ s.MarshalBytes(buf) // escapes: fallback.
+ return task.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 := task.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)
+ return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (s *Stat) CopyOut(task marshal.Task, addr usermem.Addr) (int, error) {
+ return s.CopyOutN(task, addr, s.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (s *Stat) CopyIn(task marshal.Task, addr usermem.Addr) (int, error) {
+ if !s.MTime.Packed() && s.CTime.Packed() && s.ATime.Packed() {
+ // Type Stat doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+ buf := task.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
+ length, err := task.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 := task.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)
+ return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (s *Stat) WriteTo(w io.Writer) (int64, error) {
+ if !s.ATime.Packed() && s.MTime.Packed() && s.CTime.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 := w.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 := w.Write(buf)
+ // Since we bypassed the compiler's escape analysis, indicate that s
+ // must live until the use above.
+ runtime.KeepAlive(s)
+ 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) {
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(p.R15))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(p.R14))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(p.R13))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(p.R12))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(p.Rbp))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(p.Rbx))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(p.R11))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(p.R10))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(p.R9))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(p.R8))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(p.Rax))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(p.Rcx))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(p.Rdx))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(p.Rsi))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(p.Rdi))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(p.Orig_rax))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(p.Rip))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(p.Cs))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(p.Eflags))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(p.Rsp))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(p.Ss))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(p.Fs_base))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(p.Gs_base))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(p.Ds))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(p.Es))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(p.Fs))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(p.Gs))
+ dst = dst[8:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (p *PtraceRegs) UnmarshalBytes(src []byte) {
+ p.R15 = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ p.R14 = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ p.R13 = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ p.R12 = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ p.Rbp = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ p.Rbx = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ p.R11 = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ p.R10 = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ p.R9 = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ p.R8 = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ p.Rax = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ p.Rcx = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ p.Rdx = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ p.Rsi = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ p.Rdi = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ p.Orig_rax = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ p.Rip = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ p.Cs = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ p.Eflags = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ p.Rsp = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ p.Ss = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ p.Fs_base = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ p.Gs_base = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ p.Ds = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ p.Es = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ p.Fs = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ p.Gs = uint64(usermem.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) {
+ safecopy.CopyIn(dst, unsafe.Pointer(p))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (p *PtraceRegs) UnmarshalUnsafe(src []byte) {
+ safecopy.CopyOut(unsafe.Pointer(p), src)
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (p *PtraceRegs) CopyOutN(task marshal.Task, addr usermem.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 := task.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)
+ return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (p *PtraceRegs) CopyOut(task marshal.Task, addr usermem.Addr) (int, error) {
+ return p.CopyOutN(task, addr, p.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (p *PtraceRegs) CopyIn(task marshal.Task, addr usermem.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 := task.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)
+ return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (p *PtraceRegs) 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(p)))
+ hdr.Len = p.SizeBytes()
+ hdr.Cap = p.SizeBytes()
+
+ length, err := w.Write(buf)
+ // Since we bypassed the compiler's escape analysis, indicate that p
+ // must live until the use above.
+ runtime.KeepAlive(p)
+ 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..474bb3e65
--- /dev/null
+++ b/pkg/abi/linux/linux_amd64_state_autogen.go
@@ -0,0 +1,117 @@
+// automatically generated by stateify.
+
+// +build amd64
+// +build amd64
+// +build amd64
+// +build amd64
+
+package linux
+
+import (
+ "gvisor.dev/gvisor/pkg/state"
+)
+
+func (x *PtraceRegs) StateTypeName() string {
+ return "pkg/abi/linux.PtraceRegs"
+}
+
+func (x *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 (x *PtraceRegs) beforeSave() {}
+
+func (x *PtraceRegs) StateSave(m state.Sink) {
+ x.beforeSave()
+ m.Save(0, &x.R15)
+ m.Save(1, &x.R14)
+ m.Save(2, &x.R13)
+ m.Save(3, &x.R12)
+ m.Save(4, &x.Rbp)
+ m.Save(5, &x.Rbx)
+ m.Save(6, &x.R11)
+ m.Save(7, &x.R10)
+ m.Save(8, &x.R9)
+ m.Save(9, &x.R8)
+ m.Save(10, &x.Rax)
+ m.Save(11, &x.Rcx)
+ m.Save(12, &x.Rdx)
+ m.Save(13, &x.Rsi)
+ m.Save(14, &x.Rdi)
+ m.Save(15, &x.Orig_rax)
+ m.Save(16, &x.Rip)
+ m.Save(17, &x.Cs)
+ m.Save(18, &x.Eflags)
+ m.Save(19, &x.Rsp)
+ m.Save(20, &x.Ss)
+ m.Save(21, &x.Fs_base)
+ m.Save(22, &x.Gs_base)
+ m.Save(23, &x.Ds)
+ m.Save(24, &x.Es)
+ m.Save(25, &x.Fs)
+ m.Save(26, &x.Gs)
+}
+
+func (x *PtraceRegs) afterLoad() {}
+
+func (x *PtraceRegs) StateLoad(m state.Source) {
+ m.Load(0, &x.R15)
+ m.Load(1, &x.R14)
+ m.Load(2, &x.R13)
+ m.Load(3, &x.R12)
+ m.Load(4, &x.Rbp)
+ m.Load(5, &x.Rbx)
+ m.Load(6, &x.R11)
+ m.Load(7, &x.R10)
+ m.Load(8, &x.R9)
+ m.Load(9, &x.R8)
+ m.Load(10, &x.Rax)
+ m.Load(11, &x.Rcx)
+ m.Load(12, &x.Rdx)
+ m.Load(13, &x.Rsi)
+ m.Load(14, &x.Rdi)
+ m.Load(15, &x.Orig_rax)
+ m.Load(16, &x.Rip)
+ m.Load(17, &x.Cs)
+ m.Load(18, &x.Eflags)
+ m.Load(19, &x.Rsp)
+ m.Load(20, &x.Ss)
+ m.Load(21, &x.Fs_base)
+ m.Load(22, &x.Gs_base)
+ m.Load(23, &x.Ds)
+ m.Load(24, &x.Es)
+ m.Load(25, &x.Fs)
+ m.Load(26, &x.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..69d75f6bc
--- /dev/null
+++ b/pkg/abi/linux/linux_arm64_abi_autogen_unsafe.go
@@ -0,0 +1,505 @@
+// Automatically generated marshal implementation. See tools/go_marshal.
+
+// +build arm64
+// +build arm64
+// +build arm64
+
+package linux
+
+import (
+ "gvisor.dev/gvisor/pkg/gohacks"
+ "gvisor.dev/gvisor/pkg/safecopy"
+ "gvisor.dev/gvisor/pkg/usermem"
+ "gvisor.dev/gvisor/tools/go_marshal/marshal"
+ "io"
+ "reflect"
+ "runtime"
+ "unsafe"
+)
+
+// Marshallable types used by this file.
+var _ marshal.Marshallable = (*EpollEvent)(nil)
+var _ marshal.Marshallable = (*PtraceRegs)(nil)
+var _ marshal.Marshallable = (*Stat)(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) {
+ usermem.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++ {
+ usermem.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(usermem.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(usermem.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) {
+ safecopy.CopyIn(dst, unsafe.Pointer(e))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (e *EpollEvent) UnmarshalUnsafe(src []byte) {
+ safecopy.CopyOut(unsafe.Pointer(e), src)
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (e *EpollEvent) CopyOutN(task marshal.Task, addr usermem.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 := task.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)
+ return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (e *EpollEvent) CopyOut(task marshal.Task, addr usermem.Addr) (int, error) {
+ return e.CopyOutN(task, addr, e.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (e *EpollEvent) CopyIn(task marshal.Task, addr usermem.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 := task.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)
+ return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (e *EpollEvent) 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(e)))
+ hdr.Len = e.SizeBytes()
+ hdr.Cap = e.SizeBytes()
+
+ length, err := w.Write(buf)
+ // Since we bypassed the compiler's escape analysis, indicate that e
+ // must live until the use above.
+ runtime.KeepAlive(e)
+ return int64(length), err
+}
+
+// CopyEpollEventSliceIn copies in a slice of EpollEvent objects from the task's memory.
+func CopyEpollEventSliceIn(task marshal.Task, addr usermem.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 := task.CopyInBytes(addr, buf)
+ // Since we bypassed the compiler's escape analysis, indicate that dst
+ // must live until the use above.
+ runtime.KeepAlive(dst)
+ return length, err
+}
+
+// CopyEpollEventSliceOut copies a slice of EpollEvent objects to the task's memory.
+func CopyEpollEventSliceOut(task marshal.Task, addr usermem.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 := task.CopyOutBytes(addr, buf)
+ // Since we bypassed the compiler's escape analysis, indicate that src
+ // must live until the use above.
+ runtime.KeepAlive(src)
+ 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()
+
+ ptr := unsafe.Pointer(&src)
+ val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data))
+
+ length, err := safecopy.CopyIn(dst[:(size*count)], val)
+ // Since we bypassed the compiler's escape analysis, indicate that src
+ // must live until the use above.
+ runtime.KeepAlive(src)
+ return length, err
+}
+
+// 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()
+
+ ptr := unsafe.Pointer(&dst)
+ val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data))
+
+ length, err := safecopy.CopyOut(val, src[:(size*count)])
+ // Since we bypassed the compiler's escape analysis, indicate that dst
+ // must live until the use above.
+ runtime.KeepAlive(dst)
+ return length, err
+}
+
+// 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) {
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Dev))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Ino))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint32(dst[:4], uint32(s.Mode))
+ dst = dst[4:]
+ usermem.ByteOrder.PutUint32(dst[:4], uint32(s.Nlink))
+ dst = dst[4:]
+ usermem.ByteOrder.PutUint32(dst[:4], uint32(s.UID))
+ dst = dst[4:]
+ usermem.ByteOrder.PutUint32(dst[:4], uint32(s.GID))
+ dst = dst[4:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Rdev))
+ dst = dst[8:]
+ // Padding: dst[:sizeof(uint64)] ~= uint64(0)
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Size))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint32(dst[:4], uint32(s.Blksize))
+ dst = dst[4:]
+ // Padding: dst[:sizeof(int32)] ~= int32(0)
+ dst = dst[4:]
+ usermem.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(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ s.Ino = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ s.Mode = uint32(usermem.ByteOrder.Uint32(src[:4]))
+ src = src[4:]
+ s.Nlink = uint32(usermem.ByteOrder.Uint32(src[:4]))
+ src = src[4:]
+ s.UID = uint32(usermem.ByteOrder.Uint32(src[:4]))
+ src = src[4:]
+ s.GID = uint32(usermem.ByteOrder.Uint32(src[:4]))
+ src = src[4:]
+ s.Rdev = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ // Padding: var _ uint64 ~= src[:sizeof(uint64)]
+ src = src[8:]
+ s.Size = int64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ s.Blksize = int32(usermem.ByteOrder.Uint32(src[:4]))
+ src = src[4:]
+ // Padding: var _ int32 ~= src[:sizeof(int32)]
+ src = src[4:]
+ s.Blocks = int64(usermem.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.MTime.Packed() && s.CTime.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (s *Stat) MarshalUnsafe(dst []byte) {
+ if s.ATime.Packed() && s.MTime.Packed() && s.CTime.Packed() {
+ safecopy.CopyIn(dst, unsafe.Pointer(s))
+ } else {
+ s.MarshalBytes(dst)
+ }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (s *Stat) UnmarshalUnsafe(src []byte) {
+ if s.ATime.Packed() && s.MTime.Packed() && s.CTime.Packed() {
+ safecopy.CopyOut(unsafe.Pointer(s), src)
+ } else {
+ s.UnmarshalBytes(src)
+ }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (s *Stat) CopyOutN(task marshal.Task, addr usermem.Addr, limit int) (int, error) {
+ if !s.ATime.Packed() && s.MTime.Packed() && s.CTime.Packed() {
+ // Type Stat doesn't have a packed layout in memory, fall back to MarshalBytes.
+ buf := task.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
+ s.MarshalBytes(buf) // escapes: fallback.
+ return task.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 := task.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)
+ return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (s *Stat) CopyOut(task marshal.Task, addr usermem.Addr) (int, error) {
+ return s.CopyOutN(task, addr, s.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (s *Stat) CopyIn(task marshal.Task, addr usermem.Addr) (int, error) {
+ if !s.ATime.Packed() && s.MTime.Packed() && s.CTime.Packed() {
+ // Type Stat doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+ buf := task.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
+ length, err := task.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 := task.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)
+ return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (s *Stat) WriteTo(w io.Writer) (int64, error) {
+ if !s.ATime.Packed() && s.MTime.Packed() && s.CTime.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 := w.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 := w.Write(buf)
+ // Since we bypassed the compiler's escape analysis, indicate that s
+ // must live until the use above.
+ runtime.KeepAlive(s)
+ 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++ {
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(p.Regs[idx]))
+ dst = dst[8:]
+ }
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(p.Sp))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(p.Pc))
+ dst = dst[8:]
+ usermem.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(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ }
+ p.Sp = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ p.Pc = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ p.Pstate = uint64(usermem.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) {
+ safecopy.CopyIn(dst, unsafe.Pointer(p))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (p *PtraceRegs) UnmarshalUnsafe(src []byte) {
+ safecopy.CopyOut(unsafe.Pointer(p), src)
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (p *PtraceRegs) CopyOutN(task marshal.Task, addr usermem.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 := task.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)
+ return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (p *PtraceRegs) CopyOut(task marshal.Task, addr usermem.Addr) (int, error) {
+ return p.CopyOutN(task, addr, p.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (p *PtraceRegs) CopyIn(task marshal.Task, addr usermem.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 := task.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)
+ return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (p *PtraceRegs) 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(p)))
+ hdr.Len = p.SizeBytes()
+ hdr.Cap = p.SizeBytes()
+
+ length, err := w.Write(buf)
+ // Since we bypassed the compiler's escape analysis, indicate that p
+ // must live until the use above.
+ runtime.KeepAlive(p)
+ 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..30c6bef55
--- /dev/null
+++ b/pkg/abi/linux/linux_arm64_state_autogen.go
@@ -0,0 +1,47 @@
+// automatically generated by stateify.
+
+// +build arm64
+// +build arm64
+// +build arm64
+
+package linux
+
+import (
+ "gvisor.dev/gvisor/pkg/state"
+)
+
+func (x *PtraceRegs) StateTypeName() string {
+ return "pkg/abi/linux.PtraceRegs"
+}
+
+func (x *PtraceRegs) StateFields() []string {
+ return []string{
+ "Regs",
+ "Sp",
+ "Pc",
+ "Pstate",
+ }
+}
+
+func (x *PtraceRegs) beforeSave() {}
+
+func (x *PtraceRegs) StateSave(m state.Sink) {
+ x.beforeSave()
+ m.Save(0, &x.Regs)
+ m.Save(1, &x.Sp)
+ m.Save(2, &x.Pc)
+ m.Save(3, &x.Pstate)
+}
+
+func (x *PtraceRegs) afterLoad() {}
+
+func (x *PtraceRegs) StateLoad(m state.Source) {
+ m.Load(0, &x.Regs)
+ m.Load(1, &x.Sp)
+ m.Load(2, &x.Pc)
+ m.Load(3, &x.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..a2bfcd215
--- /dev/null
+++ b/pkg/abi/linux/linux_state_autogen.go
@@ -0,0 +1,148 @@
+// automatically generated by stateify.
+
+package linux
+
+import (
+ "gvisor.dev/gvisor/pkg/state"
+)
+
+func (x *IOEvent) StateTypeName() string {
+ return "pkg/abi/linux.IOEvent"
+}
+
+func (x *IOEvent) StateFields() []string {
+ return []string{
+ "Data",
+ "Obj",
+ "Result",
+ "Result2",
+ }
+}
+
+func (x *IOEvent) beforeSave() {}
+
+func (x *IOEvent) StateSave(m state.Sink) {
+ x.beforeSave()
+ m.Save(0, &x.Data)
+ m.Save(1, &x.Obj)
+ m.Save(2, &x.Result)
+ m.Save(3, &x.Result2)
+}
+
+func (x *IOEvent) afterLoad() {}
+
+func (x *IOEvent) StateLoad(m state.Source) {
+ m.Load(0, &x.Data)
+ m.Load(1, &x.Obj)
+ m.Load(2, &x.Result)
+ m.Load(3, &x.Result2)
+}
+
+func (x *BPFInstruction) StateTypeName() string {
+ return "pkg/abi/linux.BPFInstruction"
+}
+
+func (x *BPFInstruction) StateFields() []string {
+ return []string{
+ "OpCode",
+ "JumpIfTrue",
+ "JumpIfFalse",
+ "K",
+ }
+}
+
+func (x *BPFInstruction) beforeSave() {}
+
+func (x *BPFInstruction) StateSave(m state.Sink) {
+ x.beforeSave()
+ m.Save(0, &x.OpCode)
+ m.Save(1, &x.JumpIfTrue)
+ m.Save(2, &x.JumpIfFalse)
+ m.Save(3, &x.K)
+}
+
+func (x *BPFInstruction) afterLoad() {}
+
+func (x *BPFInstruction) StateLoad(m state.Source) {
+ m.Load(0, &x.OpCode)
+ m.Load(1, &x.JumpIfTrue)
+ m.Load(2, &x.JumpIfFalse)
+ m.Load(3, &x.K)
+}
+
+func (x *KernelTermios) StateTypeName() string {
+ return "pkg/abi/linux.KernelTermios"
+}
+
+func (x *KernelTermios) StateFields() []string {
+ return []string{
+ "InputFlags",
+ "OutputFlags",
+ "ControlFlags",
+ "LocalFlags",
+ "LineDiscipline",
+ "ControlCharacters",
+ "InputSpeed",
+ "OutputSpeed",
+ }
+}
+
+func (x *KernelTermios) beforeSave() {}
+
+func (x *KernelTermios) StateSave(m state.Sink) {
+ x.beforeSave()
+ m.Save(0, &x.InputFlags)
+ m.Save(1, &x.OutputFlags)
+ m.Save(2, &x.ControlFlags)
+ m.Save(3, &x.LocalFlags)
+ m.Save(4, &x.LineDiscipline)
+ m.Save(5, &x.ControlCharacters)
+ m.Save(6, &x.InputSpeed)
+ m.Save(7, &x.OutputSpeed)
+}
+
+func (x *KernelTermios) afterLoad() {}
+
+func (x *KernelTermios) StateLoad(m state.Source) {
+ m.Load(0, &x.InputFlags)
+ m.Load(1, &x.OutputFlags)
+ m.Load(2, &x.ControlFlags)
+ m.Load(3, &x.LocalFlags)
+ m.Load(4, &x.LineDiscipline)
+ m.Load(5, &x.ControlCharacters)
+ m.Load(6, &x.InputSpeed)
+ m.Load(7, &x.OutputSpeed)
+}
+
+func (x *WindowSize) StateTypeName() string {
+ return "pkg/abi/linux.WindowSize"
+}
+
+func (x *WindowSize) StateFields() []string {
+ return []string{
+ "Rows",
+ "Cols",
+ }
+}
+
+func (x *WindowSize) beforeSave() {}
+
+func (x *WindowSize) StateSave(m state.Sink) {
+ x.beforeSave()
+ m.Save(0, &x.Rows)
+ m.Save(1, &x.Cols)
+}
+
+func (x *WindowSize) afterLoad() {}
+
+func (x *WindowSize) StateLoad(m state.Source) {
+ m.Load(0, &x.Rows)
+ m.Load(1, &x.Cols)
+}
+
+func init() {
+ state.Register((*IOEvent)(nil))
+ state.Register((*BPFInstruction)(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 565dd550e..000000000
--- a/pkg/abi/linux/netfilter_test.go
+++ /dev/null
@@ -1,46 +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 (
- "testing"
-
- "gvisor.dev/gvisor/pkg/binary"
-)
-
-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},
- }
-
- for _, tc := range testCases {
- if calculated := 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)
- }
- }
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-21 10:38:26 +0000