diff options
Diffstat (limited to 'pkg/abi/linux')
| -rw-r--r-- | pkg/abi/linux/BUILD | 95 | ||||
| -rw-r--r-- | pkg/abi/linux/linux_abi_autogen_unsafe.go | 10887 | ||||
| -rw-r--r-- | pkg/abi/linux/linux_amd64_abi_autogen_unsafe.go | 746 | ||||
| -rw-r--r-- | pkg/abi/linux/linux_amd64_state_autogen.go | 118 | ||||
| -rw-r--r-- | pkg/abi/linux/linux_arm64_abi_autogen_unsafe.go | 658 | ||||
| -rw-r--r-- | pkg/abi/linux/linux_arm64_state_autogen.go | 48 | ||||
| -rw-r--r-- | pkg/abi/linux/linux_state_autogen.go | 178 | ||||
| -rw-r--r-- | pkg/abi/linux/netfilter_test.go | 49 |
8 files changed, 12635 insertions, 144 deletions
diff --git a/pkg/abi/linux/BUILD b/pkg/abi/linux/BUILD deleted file mode 100644 index 8fa61d6f7..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", - "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/binary", - "//pkg/bits", - "//pkg/marshal", - "//pkg/marshal/primitive", - "//pkg/usermem", - ], -) - -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..9f0619503 --- /dev/null +++ b/pkg/abi/linux/linux_abi_autogen_unsafe.go @@ -0,0 +1,10887 @@ +// Automatically generated marshal implementation. See tools/go_marshal. + +package linux + +import ( + "gvisor.dev/gvisor/pkg/gohacks" + "gvisor.dev/gvisor/pkg/marshal" + "gvisor.dev/gvisor/pkg/safecopy" + "gvisor.dev/gvisor/pkg/usermem" + "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 = (*DigestMetadata)(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 = (*Inet6Addr)(nil) +var _ marshal.Marshallable = (*InetAddr)(nil) +var _ marshal.Marshallable = (*ItimerVal)(nil) +var _ marshal.Marshallable = (*Itimerspec)(nil) +var _ marshal.Marshallable = (*Linger)(nil) +var _ marshal.Marshallable = (*NumaPolicy)(nil) +var _ marshal.Marshallable = (*PollFD)(nil) +var _ marshal.Marshallable = (*RSeqCriticalSection)(nil) +var _ marshal.Marshallable = (*RobustListHead)(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 = (*Sigevent)(nil) +var _ marshal.Marshallable = (*SignalSet)(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 = (*XTGetRevision)(nil) + +// SizeBytes implements marshal.Marshallable.SizeBytes. +func (i *IOCallback) SizeBytes() int { + return 64 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (i *IOCallback) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(i.Data)) + dst = dst[8:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(i.Key)) + dst = dst[4:] + // Padding: dst[:sizeof(uint32)] ~= uint32(0) + dst = dst[4:] + usermem.ByteOrder.PutUint16(dst[:2], uint16(i.OpCode)) + dst = dst[2:] + usermem.ByteOrder.PutUint16(dst[:2], uint16(i.ReqPrio)) + dst = dst[2:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(i.FD)) + dst = dst[4:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(i.Buf)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(i.Bytes)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(i.Offset)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(i.Reserved2)) + dst = dst[8:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(i.Flags)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(i.ResFD)) + dst = dst[4:] +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (i *IOCallback) UnmarshalBytes(src []byte) { + i.Data = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + i.Key = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + // Padding: var _ uint32 ~= src[:sizeof(uint32)] + src = src[4:] + i.OpCode = uint16(usermem.ByteOrder.Uint16(src[:2])) + src = src[2:] + i.ReqPrio = int16(usermem.ByteOrder.Uint16(src[:2])) + src = src[2:] + i.FD = int32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + i.Buf = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + i.Bytes = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + i.Offset = int64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + i.Reserved2 = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + i.Flags = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + i.ResFD = int32(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(i)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (i *IOCallback) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(i), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (i *IOCallback) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(i.Data)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(i.Obj)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(i.Result)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(i.Result2)) + dst = dst[8:] +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (i *IOEvent) UnmarshalBytes(src []byte) { + i.Data = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + i.Obj = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + i.Result = int64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + i.Result2 = int64(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(i)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (i *IOEvent) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(i), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (i *IOEvent) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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) { + usermem.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:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(b.K)) + dst = dst[4:] +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (b *BPFInstruction) UnmarshalBytes(src []byte) { + b.OpCode = uint16(usermem.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(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(b)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (b *BPFInstruction) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(b), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (b *BPFInstruction) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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 usermem.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 usermem.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() + + 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) // escapes: replaced by intrinsic. + return length, err +} + +// 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() + + 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) // escapes: replaced by intrinsic. + return length, err +} + +// SizeBytes implements marshal.Marshallable.SizeBytes. +func (c *CapUserHeader) SizeBytes() int { + return 8 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (c *CapUserHeader) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint32(dst[:4], uint32(c.Version)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(c.Pid)) + dst = dst[4:] +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (c *CapUserHeader) UnmarshalBytes(src []byte) { + c.Version = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + c.Pid = int32(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(c)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (c *CapUserHeader) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(c), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (c *CapUserHeader) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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 (c *CapUserData) SizeBytes() int { + return 12 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (c *CapUserData) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint32(dst[:4], uint32(c.Effective)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(c.Permitted)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(c.Inheritable)) + dst = dst[4:] +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (c *CapUserData) UnmarshalBytes(src []byte) { + c.Effective = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + c.Permitted = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + c.Inheritable = uint32(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(c)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (c *CapUserData) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(c), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (c *CapUserData) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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 usermem.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 usermem.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() + + 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) // escapes: replaced by intrinsic. + return length, err +} + +// 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() + + 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) // escapes: replaced by intrinsic. + return 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() { + safecopy.CopyIn(dst, unsafe.Pointer(s)) + } 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() { + safecopy.CopyOut(unsafe.Pointer(s), src) + } 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 usermem.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 usermem.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 usermem.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() { + safecopy.CopyIn(dst, unsafe.Pointer(s)) + } 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() { + safecopy.CopyOut(unsafe.Pointer(s), src) + } 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 usermem.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 usermem.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 usermem.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) { + usermem.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:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.Info)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.Data)) + dst = dst[4:] +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (s *SockExtendedErr) UnmarshalBytes(src []byte) { + s.Errno = uint32(usermem.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(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + s.Data = uint32(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(s)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (s *SockExtendedErr) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(s), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (s *SockExtendedErr) CopyOutN(cc marshal.CopyContext, 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 := 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 usermem.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 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 := 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 *Flock) SizeBytes() int { + return 24 + + 1*4 + + 1*4 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (f *Flock) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint16(dst[:2], uint16(f.Type)) + dst = dst[2:] + usermem.ByteOrder.PutUint16(dst[:2], uint16(f.Whence)) + dst = dst[2:] + // Padding: dst[:sizeof(byte)*4] ~= [4]byte{0} + dst = dst[1*(4):] + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.Start)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.Len)) + dst = dst[8:] + usermem.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(usermem.ByteOrder.Uint16(src[:2])) + src = src[2:] + f.Whence = int16(usermem.ByteOrder.Uint16(src[:2])) + src = src[2:] + // Padding: ~ copy([4]byte(f._), src[:sizeof(byte)*4]) + src = src[1*(4):] + f.Start = int64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + f.Len = int64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + f.Pid = int32(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(f)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (f *Flock) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(f), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (f *Flock) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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 (f *FOwnerEx) SizeBytes() int { + return 8 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (f *FOwnerEx) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Type)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.PID)) + dst = dst[4:] +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (f *FOwnerEx) UnmarshalBytes(src []byte) { + f.Type = int32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.PID = int32(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(f)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (f *FOwnerEx) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(f), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (f *FOwnerEx) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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 (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.Atime.Packed() && s.Btime.Packed() && s.Ctime.Packed() && s.Mtime.Packed() { + safecopy.CopyIn(dst, unsafe.Pointer(s)) + } 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() { + safecopy.CopyOut(unsafe.Pointer(s), src) + } 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 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 := 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 usermem.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 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 := 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) { + 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(cc marshal.CopyContext, 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 := 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 usermem.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 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 := 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 *FUSEInitIn) SizeBytes() int { + return 16 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (f *FUSEInitIn) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Major)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Minor)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.MaxReadahead)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Flags)) + dst = dst[4:] +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (f *FUSEInitIn) UnmarshalBytes(src []byte) { + f.Major = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.Minor = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.MaxReadahead = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.Flags = uint32(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(f)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (f *FUSEInitIn) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(f), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (f *FUSEInitIn) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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 *FUSEGetAttrOut) SizeBytes() int { + return 16 + + (*FUSEAttr)(nil).SizeBytes() +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (f *FUSEGetAttrOut) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.AttrValid)) + dst = dst[8:] + usermem.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(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + f.AttrValidNsec = uint32(usermem.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() { + safecopy.CopyIn(dst, unsafe.Pointer(f)) + } 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() { + safecopy.CopyOut(unsafe.Pointer(f), src) + } 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 usermem.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 usermem.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 usermem.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 *FUSEOpenOut) SizeBytes() int { + return 16 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (f *FUSEOpenOut) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.Fh)) + dst = dst[8:] + usermem.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(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + f.OpenFlag = uint32(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(f)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (f *FUSEOpenOut) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(f), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (f *FUSEOpenOut) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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 *FUSEReleaseIn) SizeBytes() int { + return 24 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (f *FUSEReleaseIn) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.Fh)) + dst = dst[8:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Flags)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.ReleaseFlags)) + dst = dst[4:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.LockOwner)) + dst = dst[8:] +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (f *FUSEReleaseIn) UnmarshalBytes(src []byte) { + f.Fh = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + f.Flags = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.ReleaseFlags = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.LockOwner = uint64(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(f)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (f *FUSEReleaseIn) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(f), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (f *FUSEReleaseIn) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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 *FUSEMkdirMeta) SizeBytes() int { + return 8 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (f *FUSEMkdirMeta) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Mode)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Umask)) + dst = dst[4:] +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (f *FUSEMkdirMeta) UnmarshalBytes(src []byte) { + f.Mode = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.Umask = uint32(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(f)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (f *FUSEMkdirMeta) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(f), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (f *FUSEMkdirMeta) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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 *FUSEDirentMeta) SizeBytes() int { + return 24 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (f *FUSEDirentMeta) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.Ino)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.Off)) + dst = dst[8:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.NameLen)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Type)) + dst = dst[4:] +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (f *FUSEDirentMeta) UnmarshalBytes(src []byte) { + f.Ino = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + f.Off = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + f.NameLen = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.Type = uint32(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(f)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (f *FUSEDirentMeta) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(f), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (f *FUSEDirentMeta) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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. +//go:nosplit +func (f *FUSEOpID) SizeBytes() int { + return 8 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (f *FUSEOpID) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(*f)) +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (f *FUSEOpID) UnmarshalBytes(src []byte) { + *f = FUSEOpID(uint64(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(f)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (f *FUSEOpID) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(f), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (f *FUSEOpID) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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. +func (f *FUSEHeaderOut) SizeBytes() int { + return 8 + + (*FUSEOpID)(nil).SizeBytes() +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (f *FUSEHeaderOut) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Len)) + dst = dst[4:] + usermem.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(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.Error = int32(usermem.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() { + safecopy.CopyIn(dst, unsafe.Pointer(f)) + } 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() { + safecopy.CopyOut(unsafe.Pointer(f), src) + } 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 usermem.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 usermem.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 usermem.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 *FUSEWriteOut) SizeBytes() int { + return 8 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (f *FUSEWriteOut) MarshalBytes(dst []byte) { + usermem.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(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(f)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (f *FUSEWriteOut) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(f), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (f *FUSEWriteOut) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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 (f *FUSEMknodMeta) SizeBytes() int { + return 16 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (f *FUSEMknodMeta) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Mode)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Rdev)) + dst = dst[4:] + usermem.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(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.Rdev = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.Umask = uint32(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(f)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (f *FUSEMknodMeta) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(f), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (f *FUSEMknodMeta) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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 *FUSEOpcode) SizeBytes() int { + return 4 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (f *FUSEOpcode) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint32(dst[:4], uint32(*f)) +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (f *FUSEOpcode) UnmarshalBytes(src []byte) { + *f = FUSEOpcode(uint32(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(f)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (f *FUSEOpcode) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(f), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (f *FUSEOpcode) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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 *FUSEInitOut) SizeBytes() int { + return 32 + + 4*8 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (f *FUSEInitOut) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Major)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Minor)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.MaxReadahead)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Flags)) + dst = dst[4:] + usermem.ByteOrder.PutUint16(dst[:2], uint16(f.MaxBackground)) + dst = dst[2:] + usermem.ByteOrder.PutUint16(dst[:2], uint16(f.CongestionThreshold)) + dst = dst[2:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.MaxWrite)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.TimeGran)) + dst = dst[4:] + usermem.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(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.Minor = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.MaxReadahead = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.Flags = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.MaxBackground = uint16(usermem.ByteOrder.Uint16(src[:2])) + src = src[2:] + f.CongestionThreshold = uint16(usermem.ByteOrder.Uint16(src[:2])) + src = src[2:] + f.MaxWrite = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.TimeGran = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.MaxPages = uint16(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(f)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (f *FUSEInitOut) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(f), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (f *FUSEInitOut) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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 *FUSEOpenIn) SizeBytes() int { + return 8 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (f *FUSEOpenIn) MarshalBytes(dst []byte) { + usermem.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(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(f)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (f *FUSEOpenIn) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(f), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (f *FUSEOpenIn) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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 *FUSEReadIn) SizeBytes() int { + return 40 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (f *FUSEReadIn) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.Fh)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.Offset)) + dst = dst[8:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Size)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.ReadFlags)) + dst = dst[4:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.LockOwner)) + dst = dst[8:] + usermem.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(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + f.Offset = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + f.Size = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.ReadFlags = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.LockOwner = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + f.Flags = uint32(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(f)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (f *FUSEReadIn) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(f), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (f *FUSEReadIn) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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 *FUSEWriteIn) SizeBytes() int { + return 40 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (f *FUSEWriteIn) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.Fh)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.Offset)) + dst = dst[8:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Size)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.WriteFlags)) + dst = dst[4:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.LockOwner)) + dst = dst[8:] + usermem.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(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + f.Offset = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + f.Size = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.WriteFlags = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.LockOwner = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + f.Flags = uint32(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(f)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (f *FUSEWriteIn) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(f), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (f *FUSEWriteIn) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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 *FUSECreateMeta) SizeBytes() int { + return 16 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (f *FUSECreateMeta) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Flags)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Mode)) + dst = dst[4:] + usermem.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(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.Mode = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.Umask = uint32(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(f)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (f *FUSECreateMeta) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(f), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (f *FUSECreateMeta) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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 *FUSEHeaderIn) SizeBytes() int { + return 28 + + (*FUSEOpcode)(nil).SizeBytes() + + (*FUSEOpID)(nil).SizeBytes() +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (f *FUSEHeaderIn) MarshalBytes(dst []byte) { + usermem.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():] + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.NodeID)) + dst = dst[8:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.UID)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.GID)) + dst = dst[4:] + usermem.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(usermem.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(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + f.UID = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.GID = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.PID = uint32(usermem.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() { + safecopy.CopyIn(dst, unsafe.Pointer(f)) + } 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() { + safecopy.CopyOut(unsafe.Pointer(f), src) + } 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 usermem.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 usermem.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 usermem.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 *FUSEAttr) SizeBytes() int { + return 88 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (f *FUSEAttr) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.Ino)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.Size)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.Blocks)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.Atime)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.Mtime)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.Ctime)) + dst = dst[8:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.AtimeNsec)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.MtimeNsec)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.CtimeNsec)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Mode)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Nlink)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.UID)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.GID)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Rdev)) + dst = dst[4:] + usermem.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(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + f.Size = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + f.Blocks = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + f.Atime = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + f.Mtime = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + f.Ctime = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + f.AtimeNsec = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.MtimeNsec = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.CtimeNsec = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.Mode = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.Nlink = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.UID = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.GID = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.Rdev = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.BlkSize = uint32(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(f)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (f *FUSEAttr) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(f), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (f *FUSEAttr) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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 *FUSESetAttrIn) SizeBytes() int { + return 88 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (f *FUSESetAttrIn) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Valid)) + dst = dst[4:] + // Padding: dst[:sizeof(uint32)] ~= uint32(0) + dst = dst[4:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.Fh)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.Size)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.LockOwner)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.Atime)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.Mtime)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.Ctime)) + dst = dst[8:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.AtimeNsec)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.MtimeNsec)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.CtimeNsec)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Mode)) + dst = dst[4:] + // Padding: dst[:sizeof(uint32)] ~= uint32(0) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.UID)) + dst = dst[4:] + usermem.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(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + // Padding: var _ uint32 ~= src[:sizeof(uint32)] + src = src[4:] + f.Fh = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + f.Size = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + f.LockOwner = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + f.Atime = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + f.Mtime = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + f.Ctime = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + f.AtimeNsec = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.MtimeNsec = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.CtimeNsec = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.Mode = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + // Padding: var _ uint32 ~= src[:sizeof(uint32)] + src = src[4:] + f.UID = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.GID = uint32(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(f)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (f *FUSESetAttrIn) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(f), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (f *FUSESetAttrIn) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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 *FUSEGetAttrIn) SizeBytes() int { + return 16 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (f *FUSEGetAttrIn) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.GetAttrFlags)) + dst = dst[4:] + // Padding: dst[:sizeof(uint32)] ~= uint32(0) + dst = dst[4:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.Fh)) + dst = dst[8:] +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (f *FUSEGetAttrIn) UnmarshalBytes(src []byte) { + f.GetAttrFlags = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + // Padding: var _ uint32 ~= src[:sizeof(uint32)] + src = src[4:] + f.Fh = uint64(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(f)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (f *FUSEGetAttrIn) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(f), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (f *FUSEGetAttrIn) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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 *FUSEEntryOut) SizeBytes() int { + return 40 + + (*FUSEAttr)(nil).SizeBytes() +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (f *FUSEEntryOut) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.NodeID)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.Generation)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.EntryValid)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.AttrValid)) + dst = dst[8:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.EntryValidNSec)) + dst = dst[4:] + usermem.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(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + f.Generation = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + f.EntryValid = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + f.AttrValid = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + f.EntryValidNSec = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.AttrValidNSec = uint32(usermem.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() { + safecopy.CopyIn(dst, unsafe.Pointer(f)) + } 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() { + safecopy.CopyOut(unsafe.Pointer(f), src) + } 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 usermem.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 usermem.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 usermem.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 (r *RobustListHead) SizeBytes() int { + return 24 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (r *RobustListHead) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(r.List)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(r.FutexOffset)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(r.ListOpPending)) + dst = dst[8:] +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (r *RobustListHead) UnmarshalBytes(src []byte) { + r.List = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + r.FutexOffset = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + r.ListOpPending = uint64(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(r)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (r *RobustListHead) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(r), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (r *RobustListHead) CopyOutN(cc marshal.CopyContext, 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 := 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 usermem.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 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 := 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) { + usermem.ByteOrder.PutUint16(dst[:2], uint16(d.DigestAlgorithm)) + dst = dst[2:] + usermem.ByteOrder.PutUint16(dst[:2], uint16(d.DigestSize)) + dst = dst[2:] +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (d *DigestMetadata) UnmarshalBytes(src []byte) { + d.DigestAlgorithm = uint16(usermem.ByteOrder.Uint16(src[:2])) + src = src[2:] + d.DigestSize = uint16(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(d)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (d *DigestMetadata) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(d), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (d *DigestMetadata) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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) { + usermem.ByteOrder.PutUint32(dst[:4], uint32(i.Key)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(i.UID)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(i.GID)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(i.CUID)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(i.CGID)) + dst = dst[4:] + usermem.ByteOrder.PutUint16(dst[:2], uint16(i.Mode)) + dst = dst[2:] + // Padding: dst[:sizeof(uint16)] ~= uint16(0) + dst = dst[2:] + usermem.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:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(i.unused1)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(i.unused2)) + dst = dst[8:] +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (i *IPCPerm) UnmarshalBytes(src []byte) { + i.Key = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + i.UID = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + i.GID = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + i.CUID = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + i.CGID = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + i.Mode = uint16(usermem.ByteOrder.Uint16(src[:2])) + src = src[2:] + // Padding: var _ uint16 ~= src[:sizeof(uint16)] + src = src[2:] + i.Seq = uint16(usermem.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(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + i.unused2 = uint64(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(i)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (i *IPCPerm) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(i), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (i *IPCPerm) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Uptime)) + dst = dst[8:] + for idx := 0; idx < 3; idx++ { + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Loads[idx])) + dst = dst[8:] + } + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.TotalRAM)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.FreeRAM)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.SharedRAM)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.BufferRAM)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.TotalSwap)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.FreeSwap)) + dst = dst[8:] + usermem.ByteOrder.PutUint16(dst[:2], uint16(s.Procs)) + dst = dst[2:] + // Padding: dst[:sizeof(byte)*6] ~= [6]byte{0} + dst = dst[1*(6):] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.TotalHigh)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.FreeHigh)) + dst = dst[8:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.Unit)) + dst = dst[4:] +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (s *Sysinfo) UnmarshalBytes(src []byte) { + s.Uptime = int64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + for idx := 0; idx < 3; idx++ { + s.Loads[idx] = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + } + s.TotalRAM = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.FreeRAM = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.SharedRAM = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.BufferRAM = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.TotalSwap = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.FreeSwap = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.Procs = uint16(usermem.ByteOrder.Uint16(src[:2])) + src = src[2:] + // Padding: ~ copy([6]byte(s._), src[:sizeof(byte)*6]) + src = src[1*(6):] + s.TotalHigh = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.FreeHigh = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.Unit = uint32(usermem.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 usermem.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 usermem.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 usermem.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) { + 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(cc marshal.CopyContext, 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 := 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 usermem.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 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 := 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 (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) { + safecopy.CopyIn(dst, unsafe.Pointer(ifr)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (ifr *IFReq) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(ifr), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (ifr *IFReq) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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. +func (i *IFConf) SizeBytes() int { + return 12 + + 1*4 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (i *IFConf) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint32(dst[:4], uint32(i.Len)) + dst = dst[4:] + // Padding: dst[:sizeof(byte)*4] ~= [4]byte{0} + dst = dst[1*(4):] + usermem.ByteOrder.PutUint64(dst[:8], uint64(i.Ptr)) + dst = dst[8:] +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (i *IFConf) UnmarshalBytes(src []byte) { + i.Len = int32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + // Padding: ~ copy([4]byte(i._), src[:sizeof(byte)*4]) + src = src[1*(4):] + i.Ptr = uint64(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(i)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (i *IFConf) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(i), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (i *IFConf) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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 (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():] + usermem.ByteOrder.PutUint32(dst[:4], uint32(i.NFCache)) + dst = dst[4:] + usermem.ByteOrder.PutUint16(dst[:2], uint16(i.TargetOffset)) + dst = dst[2:] + usermem.ByteOrder.PutUint16(dst[:2], uint16(i.NextOffset)) + dst = dst[2:] + usermem.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(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + i.TargetOffset = uint16(usermem.ByteOrder.Uint16(src[:2])) + src = src[2:] + i.NextOffset = uint16(usermem.ByteOrder.Uint16(src[:2])) + src = src[2:] + i.Comeback = uint32(usermem.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() { + safecopy.CopyIn(dst, unsafe.Pointer(i)) + } 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() { + safecopy.CopyOut(unsafe.Pointer(i), src) + } 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 usermem.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 usermem.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 usermem.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 *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:] + } + usermem.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(usermem.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() { + safecopy.CopyIn(dst, unsafe.Pointer(i)) + } 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() { + safecopy.CopyOut(unsafe.Pointer(i), src) + } 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 usermem.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 usermem.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 usermem.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 (x *XTCounters) SizeBytes() int { + return 16 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (x *XTCounters) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(x.Pcnt)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(x.Bcnt)) + dst = dst[8:] +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (x *XTCounters) UnmarshalBytes(src []byte) { + x.Pcnt = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + x.Bcnt = uint64(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(x)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (x *XTCounters) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(x), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (x *XTCounters) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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 *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() { + safecopy.CopyIn(dst, unsafe.Pointer(x)) + } 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() { + safecopy.CopyOut(unsafe.Pointer(x), src) + } 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 usermem.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 usermem.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 usermem.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 (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():] + usermem.ByteOrder.PutUint32(dst[:4], uint32(i.ValidHooks)) + dst = dst[4:] + for idx := 0; idx < NF_INET_NUMHOOKS; idx++ { + usermem.ByteOrder.PutUint32(dst[:4], uint32(i.HookEntry[idx])) + dst = dst[4:] + } + for idx := 0; idx < NF_INET_NUMHOOKS; idx++ { + usermem.ByteOrder.PutUint32(dst[:4], uint32(i.Underflow[idx])) + dst = dst[4:] + } + usermem.ByteOrder.PutUint32(dst[:4], uint32(i.NumEntries)) + dst = dst[4:] + usermem.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(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + for idx := 0; idx < NF_INET_NUMHOOKS; idx++ { + i.HookEntry[idx] = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + } + for idx := 0; idx < NF_INET_NUMHOOKS; idx++ { + i.Underflow[idx] = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + } + i.NumEntries = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + i.Size = uint32(usermem.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() { + safecopy.CopyIn(dst, unsafe.Pointer(i)) + } 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() { + safecopy.CopyOut(unsafe.Pointer(i), src) + } 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 usermem.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 usermem.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 usermem.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 *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():] + usermem.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(usermem.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() { + safecopy.CopyIn(dst, unsafe.Pointer(i)) + } 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() { + safecopy.CopyOut(unsafe.Pointer(i), src) + } 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 usermem.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 usermem.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 usermem.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. +//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) { + safecopy.CopyIn(dst, unsafe.Pointer(en)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (en *ExtensionName) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(en), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (en *ExtensionName) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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. +//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) { + safecopy.CopyIn(dst, unsafe.Pointer(tn)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (tn *TableName) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(tn), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (tn *TableName) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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 (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:] + } + usermem.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(usermem.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() { + safecopy.CopyIn(dst, unsafe.Pointer(i)) + } 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() { + safecopy.CopyOut(unsafe.Pointer(i), src) + } 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 usermem.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 usermem.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 usermem.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():] + usermem.ByteOrder.PutUint32(dst[:4], uint32(i.ValidHooks)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(i.NumEntries)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(i.Size)) + dst = dst[4:] + for idx := 0; idx < NF_INET_NUMHOOKS; idx++ { + usermem.ByteOrder.PutUint32(dst[:4], uint32(i.HookEntry[idx])) + dst = dst[4:] + } + for idx := 0; idx < NF_INET_NUMHOOKS; idx++ { + usermem.ByteOrder.PutUint32(dst[:4], uint32(i.Underflow[idx])) + dst = dst[4:] + } + usermem.ByteOrder.PutUint32(dst[:4], uint32(i.NumCounters)) + dst = dst[4:] + usermem.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(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + i.NumEntries = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + i.Size = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + for idx := 0; idx < NF_INET_NUMHOOKS; idx++ { + i.HookEntry[idx] = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + } + for idx := 0; idx < NF_INET_NUMHOOKS; idx++ { + i.Underflow[idx] = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + } + i.NumCounters = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + i.Counters = uint64(usermem.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() { + safecopy.CopyIn(dst, unsafe.Pointer(i)) + } 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() { + safecopy.CopyOut(unsafe.Pointer(i), src) + } 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 usermem.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 usermem.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 usermem.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 +} + +// 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():] + usermem.ByteOrder.PutUint32(dst[:4], uint32(i.NFCache)) + dst = dst[4:] + usermem.ByteOrder.PutUint16(dst[:2], uint16(i.TargetOffset)) + dst = dst[2:] + usermem.ByteOrder.PutUint16(dst[:2], uint16(i.NextOffset)) + dst = dst[2:] + usermem.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(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + i.TargetOffset = uint16(usermem.ByteOrder.Uint16(src[:2])) + src = src[2:] + i.NextOffset = uint16(usermem.ByteOrder.Uint16(src[:2])) + src = src[2:] + i.Comeback = uint32(usermem.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() { + safecopy.CopyIn(dst, unsafe.Pointer(i)) + } 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() { + safecopy.CopyOut(unsafe.Pointer(i), src) + } 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 usermem.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 usermem.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 usermem.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 (s *SockAddrNetlink) SizeBytes() int { + return 12 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (s *SockAddrNetlink) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint16(dst[:2], uint16(s.Family)) + dst = dst[2:] + // Padding: dst[:sizeof(uint16)] ~= uint16(0) + dst = dst[2:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.PortID)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.Groups)) + dst = dst[4:] +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (s *SockAddrNetlink) UnmarshalBytes(src []byte) { + s.Family = uint16(usermem.ByteOrder.Uint16(src[:2])) + src = src[2:] + // Padding: var _ uint16 ~= src[:sizeof(uint16)] + src = src[2:] + s.PortID = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + s.Groups = uint32(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(s)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (s *SockAddrNetlink) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(s), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (s *SockAddrNetlink) CopyOutN(cc marshal.CopyContext, 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 := 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 usermem.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 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 := 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 (p *PollFD) SizeBytes() int { + return 8 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (p *PollFD) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint32(dst[:4], uint32(p.FD)) + dst = dst[4:] + usermem.ByteOrder.PutUint16(dst[:2], uint16(p.Events)) + dst = dst[2:] + usermem.ByteOrder.PutUint16(dst[:2], uint16(p.REvents)) + dst = dst[2:] +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (p *PollFD) UnmarshalBytes(src []byte) { + p.FD = int32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + p.Events = int16(usermem.ByteOrder.Uint16(src[:2])) + src = src[2:] + p.REvents = int16(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(p)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (p *PollFD) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(p), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (p *PollFD) CopyOutN(cc marshal.CopyContext, 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 := 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 usermem.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 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 := 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 usermem.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 usermem.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() + + 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) // escapes: replaced by intrinsic. + return length, err +} + +// 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() + + 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) // escapes: replaced by intrinsic. + return 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(cc marshal.CopyContext, 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 := 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 usermem.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 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 := 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():] + usermem.ByteOrder.PutUint64(dst[:8], uint64(r.MaxRSS)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(r.IXRSS)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(r.IDRSS)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(r.ISRSS)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(r.MinFlt)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(r.MajFlt)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(r.NSwap)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(r.InBlock)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(r.OuBlock)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(r.MsgSnd)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(r.MsgRcv)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(r.NSignals)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(r.NVCSw)) + dst = dst[8:] + usermem.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(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + r.IXRSS = int64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + r.IDRSS = int64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + r.ISRSS = int64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + r.MinFlt = int64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + r.MajFlt = int64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + r.NSwap = int64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + r.InBlock = int64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + r.OuBlock = int64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + r.MsgSnd = int64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + r.MsgRcv = int64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + r.NSignals = int64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + r.NVCSw = int64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + r.NIvCSw = int64(usermem.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() { + safecopy.CopyIn(dst, unsafe.Pointer(r)) + } 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() { + safecopy.CopyOut(unsafe.Pointer(r), src) + } 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 usermem.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 usermem.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 usermem.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) { + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.Nr)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.Arch)) + dst = dst[4:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.InstructionPointer)) + dst = dst[8:] + for idx := 0; idx < 6; idx++ { + usermem.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(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + s.Arch = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + s.InstructionPointer = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + for idx := 0; idx < 6; idx++ { + s.Args[idx] = uint64(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(s)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (s *SeccompData) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(s), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (s *SeccompData) CopyOutN(cc marshal.CopyContext, 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 := 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 usermem.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 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 := 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 *Sembuf) SizeBytes() int { + return 6 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (s *Sembuf) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint16(dst[:2], uint16(s.SemNum)) + dst = dst[2:] + usermem.ByteOrder.PutUint16(dst[:2], uint16(s.SemOp)) + dst = dst[2:] + usermem.ByteOrder.PutUint16(dst[:2], uint16(s.SemFlg)) + dst = dst[2:] +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (s *Sembuf) UnmarshalBytes(src []byte) { + s.SemNum = uint16(usermem.ByteOrder.Uint16(src[:2])) + src = src[2:] + s.SemOp = int16(usermem.ByteOrder.Uint16(src[:2])) + src = src[2:] + s.SemFlg = int16(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(s)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (s *Sembuf) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(s), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (s *Sembuf) CopyOutN(cc marshal.CopyContext, 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 := 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 usermem.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 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 := 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 usermem.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 usermem.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() + + 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) // escapes: replaced by intrinsic. + return length, err +} + +// 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() + + 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) // escapes: replaced by intrinsic. + return 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) { + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.SemMap)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.SemMni)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.SemMns)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.SemMnu)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.SemMsl)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.SemOpm)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.SemUme)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.SemUsz)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.SemVmx)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.SemAem)) + dst = dst[4:] +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (s *SemInfo) UnmarshalBytes(src []byte) { + s.SemMap = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + s.SemMni = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + s.SemMns = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + s.SemMnu = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + s.SemMsl = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + s.SemOpm = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + s.SemUme = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + s.SemUsz = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + s.SemVmx = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + s.SemAem = uint32(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(s)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (s *SemInfo) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(s), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (s *SemInfo) CopyOutN(cc marshal.CopyContext, 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 := 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 usermem.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 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 := 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 *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():] + usermem.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():] + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.ShmCpid)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.ShmLpid)) + dst = dst[4:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.ShmNattach)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Unused4)) + dst = dst[8:] + usermem.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(usermem.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(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + s.ShmLpid = int32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + s.ShmNattach = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.Unused4 = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.Unused5 = uint64(usermem.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() { + safecopy.CopyIn(dst, unsafe.Pointer(s)) + } 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() { + safecopy.CopyOut(unsafe.Pointer(s), src) + } 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 usermem.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 usermem.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 usermem.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 *ShmParams) SizeBytes() int { + return 40 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (s *ShmParams) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.ShmMax)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.ShmMin)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.ShmMni)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.ShmSeg)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.ShmAll)) + dst = dst[8:] +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (s *ShmParams) UnmarshalBytes(src []byte) { + s.ShmMax = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.ShmMin = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.ShmMni = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.ShmSeg = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.ShmAll = uint64(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(s)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (s *ShmParams) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(s), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (s *ShmParams) CopyOutN(cc marshal.CopyContext, 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 := 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 usermem.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 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 := 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 *ShmInfo) SizeBytes() int { + return 44 + + 1*4 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (s *ShmInfo) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.UsedIDs)) + dst = dst[4:] + // Padding: dst[:sizeof(byte)*4] ~= [4]byte{0} + dst = dst[1*(4):] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.ShmTot)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.ShmRss)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.ShmSwp)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.SwapAttempts)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.SwapSuccesses)) + dst = dst[8:] +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (s *ShmInfo) UnmarshalBytes(src []byte) { + s.UsedIDs = int32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + // Padding: ~ copy([4]byte(s._), src[:sizeof(byte)*4]) + src = src[1*(4):] + s.ShmTot = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.ShmRss = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.ShmSwp = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.SwapAttempts = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.SwapSuccesses = uint64(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(s)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (s *ShmInfo) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(s), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (s *ShmInfo) CopyOutN(cc marshal.CopyContext, 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 := 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 usermem.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 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 := 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. +//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(cc marshal.CopyContext, 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 := 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 usermem.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 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 := 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 *Sigevent) SizeBytes() int { + return 20 + + 1*44 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (s *Sigevent) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Value)) + dst = dst[8:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.Signo)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.Notify)) + dst = dst[4:] + usermem.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(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.Signo = int32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + s.Notify = int32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + s.Tid = int32(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(s)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (s *Sigevent) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(s), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (s *Sigevent) CopyOutN(cc marshal.CopyContext, 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 := 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 usermem.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 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 := 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. +func (s *SignalfdSiginfo) SizeBytes() int { + return 82 + + 1*48 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (s *SignalfdSiginfo) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.Signo)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.Errno)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.Code)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.PID)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.UID)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.FD)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.TID)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.Band)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.Overrun)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.TrapNo)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.Status)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.Int)) + dst = dst[4:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Ptr)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.UTime)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.STime)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Addr)) + dst = dst[8:] + usermem.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(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + s.Errno = int32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + s.Code = int32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + s.PID = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + s.UID = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + s.FD = int32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + s.TID = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + s.Band = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + s.Overrun = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + s.TrapNo = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + s.Status = int32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + s.Int = int32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + s.Ptr = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.UTime = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.STime = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.Addr = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.AddrLSB = uint16(usermem.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 usermem.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 usermem.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 usermem.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 (l *Linger) SizeBytes() int { + return 8 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (l *Linger) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint32(dst[:4], uint32(l.OnOff)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(l.Linger)) + dst = dst[4:] +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (l *Linger) UnmarshalBytes(src []byte) { + l.OnOff = int32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + l.Linger = int32(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(l)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (l *Linger) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(l), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (l *Linger) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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 (t *TCPInfo) SizeBytes() int { + return 192 +} + +// 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:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(t.RTO)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(t.ATO)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(t.SndMss)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(t.RcvMss)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(t.Unacked)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(t.Sacked)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(t.Lost)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(t.Retrans)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(t.Fackets)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(t.LastDataSent)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(t.LastAckSent)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(t.LastDataRecv)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(t.LastAckRecv)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(t.PMTU)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(t.RcvSsthresh)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(t.RTT)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(t.RTTVar)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(t.SndSsthresh)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(t.SndCwnd)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(t.Advmss)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(t.Reordering)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(t.RcvRTT)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(t.RcvSpace)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(t.TotalRetrans)) + dst = dst[4:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(t.PacingRate)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(t.MaxPacingRate)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(t.BytesAcked)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(t.BytesReceived)) + dst = dst[8:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(t.SegsOut)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(t.SegsIn)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(t.NotSentBytes)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(t.MinRTT)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(t.DataSegsIn)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(t.DataSegsOut)) + dst = dst[4:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(t.DeliveryRate)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(t.BusyTime)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(t.RwndLimited)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(t.SndBufLimited)) + dst = dst[8:] +} + +// 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(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + t.ATO = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + t.SndMss = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + t.RcvMss = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + t.Unacked = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + t.Sacked = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + t.Lost = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + t.Retrans = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + t.Fackets = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + t.LastDataSent = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + t.LastAckSent = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + t.LastDataRecv = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + t.LastAckRecv = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + t.PMTU = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + t.RcvSsthresh = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + t.RTT = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + t.RTTVar = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + t.SndSsthresh = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + t.SndCwnd = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + t.Advmss = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + t.Reordering = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + t.RcvRTT = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + t.RcvSpace = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + t.TotalRetrans = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + t.PacingRate = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + t.MaxPacingRate = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + t.BytesAcked = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + t.BytesReceived = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + t.SegsOut = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + t.SegsIn = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + t.NotSentBytes = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + t.MinRTT = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + t.DataSegsIn = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + t.DataSegsOut = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + t.DeliveryRate = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + t.BusyTime = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + t.RwndLimited = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + t.SndBufLimited = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] +} + +// 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) { + safecopy.CopyIn(dst, unsafe.Pointer(t)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (t *TCPInfo) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(t), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (t *TCPInfo) CopyOutN(cc marshal.CopyContext, 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 := 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 usermem.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 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 := 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. +func (c *ControlMessageCredentials) SizeBytes() int { + return 12 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (c *ControlMessageCredentials) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint32(dst[:4], uint32(c.PID)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(c.UID)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(c.GID)) + dst = dst[4:] +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (c *ControlMessageCredentials) UnmarshalBytes(src []byte) { + c.PID = int32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + c.UID = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + c.GID = uint32(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(c)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (c *ControlMessageCredentials) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(c), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (c *ControlMessageCredentials) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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. +//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) { + safecopy.CopyIn(dst, unsafe.Pointer(i)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (i *InetAddr) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(i), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (i *InetAddr) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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 (s *SockAddrLink) SizeBytes() int { + return 12 + + 1*8 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (s *SockAddrLink) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint16(dst[:2], uint16(s.Family)) + dst = dst[2:] + usermem.ByteOrder.PutUint16(dst[:2], uint16(s.Protocol)) + dst = dst[2:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.InterfaceIndex)) + dst = dst[4:] + usermem.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(usermem.ByteOrder.Uint16(src[:2])) + src = src[2:] + s.Protocol = uint16(usermem.ByteOrder.Uint16(src[:2])) + src = src[2:] + s.InterfaceIndex = int32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + s.ARPHardwareType = uint16(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(s)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (s *SockAddrLink) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(s), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (s *SockAddrLink) CopyOutN(cc marshal.CopyContext, 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 := 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 usermem.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 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 := 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 *SockAddrInet6) SizeBytes() int { + return 12 + + 1*16 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (s *SockAddrInet6) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint16(dst[:2], uint16(s.Family)) + dst = dst[2:] + usermem.ByteOrder.PutUint16(dst[:2], uint16(s.Port)) + dst = dst[2:] + usermem.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:] + } + usermem.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(usermem.ByteOrder.Uint16(src[:2])) + src = src[2:] + s.Port = uint16(usermem.ByteOrder.Uint16(src[:2])) + src = src[2:] + s.Flowinfo = uint32(usermem.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(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(s)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (s *SockAddrInet6) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(s), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (s *SockAddrInet6) CopyOutN(cc marshal.CopyContext, 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 := 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 usermem.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 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 := 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 *SockAddrUnix) SizeBytes() int { + return 2 + + 1*UnixPathMax +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (s *SockAddrUnix) MarshalBytes(dst []byte) { + usermem.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(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(s)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (s *SockAddrUnix) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(s), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (s *SockAddrUnix) CopyOutN(cc marshal.CopyContext, 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 := 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 usermem.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 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 := 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 (s *SockAddrInet) SizeBytes() int { + return 4 + + (*InetAddr)(nil).SizeBytes() + + 1*8 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (s *SockAddrInet) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint16(dst[:2], uint16(s.Family)) + dst = dst[2:] + usermem.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(usermem.ByteOrder.Uint16(src[:2])) + src = src[2:] + s.Port = uint16(usermem.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() { + safecopy.CopyIn(dst, unsafe.Pointer(s)) + } 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() { + safecopy.CopyOut(unsafe.Pointer(s), src) + } 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 usermem.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 usermem.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 usermem.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. +//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) { + safecopy.CopyIn(dst, unsafe.Pointer(i)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (i *Inet6Addr) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(i), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (i *Inet6Addr) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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. +//go:nosplit +func (c *ClockT) SizeBytes() int { + return 8 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (c *ClockT) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(*c)) +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (c *ClockT) UnmarshalBytes(src []byte) { + *c = ClockT(int64(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(c)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (c *ClockT) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(c), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (c *ClockT) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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 (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() { + safecopy.CopyIn(dst, unsafe.Pointer(t)) + } 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() { + safecopy.CopyOut(unsafe.Pointer(t), src) + } 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 usermem.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 usermem.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 usermem.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 (sxts *StatxTimestamp) SizeBytes() int { + return 16 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (sxts *StatxTimestamp) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(sxts.Sec)) + dst = dst[8:] + usermem.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(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + sxts.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 (sxts *StatxTimestamp) Packed() bool { + return true +} + +// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. +func (sxts *StatxTimestamp) MarshalUnsafe(dst []byte) { + safecopy.CopyIn(dst, unsafe.Pointer(sxts)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (sxts *StatxTimestamp) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(sxts), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (sxts *StatxTimestamp) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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 *TimerID) SizeBytes() int { + return 4 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (t *TimerID) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint32(dst[:4], uint32(*t)) +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (t *TimerID) UnmarshalBytes(src []byte) { + *t = TimerID(int32(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(t)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (t *TimerID) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(t), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (t *TimerID) CopyOutN(cc marshal.CopyContext, 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 := 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 usermem.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 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 := 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 (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(cc marshal.CopyContext, 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 := 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 usermem.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 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 := 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. +//go:nosplit +func (t *TimeT) SizeBytes() int { + return 8 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (t *TimeT) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(*t)) +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (t *TimeT) UnmarshalBytes(src []byte) { + *t = TimeT(int64(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(t)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (t *TimeT) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(t), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (t *TimeT) CopyOutN(cc marshal.CopyContext, 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 := 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 usermem.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 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 := 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. +func (ts *Timespec) SizeBytes() int { + return 16 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (ts *Timespec) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(ts.Sec)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(ts.Nsec)) + dst = dst[8:] +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (ts *Timespec) UnmarshalBytes(src []byte) { + ts.Sec = int64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + ts.Nsec = int64(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(ts)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (ts *Timespec) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(ts), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (ts *Timespec) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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 usermem.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 usermem.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() + + 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) // escapes: replaced by intrinsic. + return length, err +} + +// 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() + + 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) // escapes: replaced by intrinsic. + return length, err +} + +// SizeBytes implements marshal.Marshallable.SizeBytes. +func (tv *Timeval) SizeBytes() int { + return 16 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (tv *Timeval) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(tv.Sec)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(tv.Usec)) + dst = dst[8:] +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (tv *Timeval) UnmarshalBytes(src []byte) { + tv.Sec = int64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + tv.Usec = int64(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(tv)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (tv *Timeval) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(tv), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (tv *Timeval) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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 usermem.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 usermem.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() + + 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) // escapes: replaced by intrinsic. + return length, err +} + +// 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() + + 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) // escapes: replaced by intrinsic. + return 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() { + safecopy.CopyIn(dst, unsafe.Pointer(i)) + } 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() { + safecopy.CopyOut(unsafe.Pointer(i), src) + } 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 usermem.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 usermem.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 usermem.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 (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() { + safecopy.CopyIn(dst, unsafe.Pointer(i)) + } 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() { + safecopy.CopyOut(unsafe.Pointer(i), src) + } 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 usermem.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 usermem.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 usermem.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 (w *Winsize) SizeBytes() int { + return 8 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (w *Winsize) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint16(dst[:2], uint16(w.Row)) + dst = dst[2:] + usermem.ByteOrder.PutUint16(dst[:2], uint16(w.Col)) + dst = dst[2:] + usermem.ByteOrder.PutUint16(dst[:2], uint16(w.Xpixel)) + dst = dst[2:] + usermem.ByteOrder.PutUint16(dst[:2], uint16(w.Ypixel)) + dst = dst[2:] +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (w *Winsize) UnmarshalBytes(src []byte) { + w.Row = uint16(usermem.ByteOrder.Uint16(src[:2])) + src = src[2:] + w.Col = uint16(usermem.ByteOrder.Uint16(src[:2])) + src = src[2:] + w.Xpixel = uint16(usermem.ByteOrder.Uint16(src[:2])) + src = src[2:] + w.Ypixel = uint16(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(w)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (w *Winsize) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(w), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (w *Winsize) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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 (t *Termios) SizeBytes() int { + return 17 + + 1*NumControlCharacters +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (t *Termios) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint32(dst[:4], uint32(t.InputFlags)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(t.OutputFlags)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(t.ControlFlags)) + dst = dst[4:] + usermem.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(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + t.OutputFlags = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + t.ControlFlags = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + t.LocalFlags = uint32(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(t)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (t *Termios) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(t), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (t *Termios) CopyOutN(cc marshal.CopyContext, 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 := 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 usermem.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 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 := 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) { + usermem.ByteOrder.PutUint16(dst[:2], uint16(w.Rows)) + dst = dst[2:] + usermem.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(usermem.ByteOrder.Uint16(src[:2])) + src = src[2:] + w.Cols = uint16(usermem.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) { + safecopy.CopyIn(dst, unsafe.Pointer(w)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (w *WindowSize) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(w), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (w *WindowSize) CopyOutN(cc marshal.CopyContext, 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(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 usermem.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 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(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 (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) { + safecopy.CopyIn(dst, unsafe.Pointer(u)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (u *UtsName) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(u), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (u *UtsName) CopyOutN(cc marshal.CopyContext, 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 := 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 usermem.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 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 := 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..f556eae68 --- /dev/null +++ b/pkg/abi/linux/linux_amd64_abi_autogen_unsafe.go @@ -0,0 +1,746 @@ +// Automatically generated marshal implementation. See tools/go_marshal. + +// +build amd64 +// +build amd64 +// +build amd64 +// +build amd64 +// +build amd64 + +package linux + +import ( + "gvisor.dev/gvisor/pkg/gohacks" + "gvisor.dev/gvisor/pkg/marshal" + "gvisor.dev/gvisor/pkg/safecopy" + "gvisor.dev/gvisor/pkg/usermem" + "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) { + 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(cc marshal.CopyContext, 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 := 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 usermem.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 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 := 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 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 := 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 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 := 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() + + 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) // escapes: replaced by intrinsic. + 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) // escapes: replaced by intrinsic. + 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.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() { + safecopy.CopyIn(dst, unsafe.Pointer(s)) + } 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() { + safecopy.CopyOut(unsafe.Pointer(s), src) + } 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 usermem.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 usermem.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 usermem.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) { + 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(cc marshal.CopyContext, 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 := 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 usermem.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 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 := 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():] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.unused1)) + dst = dst[8:] + s.SemCTime.MarshalBytes(dst[:s.SemCTime.SizeBytes()]) + dst = dst[s.SemCTime.SizeBytes():] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.unused2)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.SemNSems)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.unused3)) + dst = dst[8:] + usermem.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(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.SemCTime.UnmarshalBytes(src[:s.SemCTime.SizeBytes()]) + src = src[s.SemCTime.SizeBytes():] + s.unused2 = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.SemNSems = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.unused3 = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.unused4 = uint64(usermem.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() { + safecopy.CopyIn(dst, unsafe.Pointer(s)) + } 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() { + safecopy.CopyOut(unsafe.Pointer(s), src) + } 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 usermem.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 usermem.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 usermem.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..3d3dea994 --- /dev/null +++ b/pkg/abi/linux/linux_amd64_state_autogen.go @@ -0,0 +1,118 @@ +// 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() {} + +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() {} + +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..7b643ba4c --- /dev/null +++ b/pkg/abi/linux/linux_arm64_abi_autogen_unsafe.go @@ -0,0 +1,658 @@ +// Automatically generated marshal implementation. See tools/go_marshal. + +// +build arm64 +// +build arm64 +// +build arm64 +// +build arm64 + +package linux + +import ( + "gvisor.dev/gvisor/pkg/gohacks" + "gvisor.dev/gvisor/pkg/marshal" + "gvisor.dev/gvisor/pkg/safecopy" + "gvisor.dev/gvisor/pkg/usermem" + "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) { + 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(cc marshal.CopyContext, 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 := 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 usermem.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 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 := 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 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 := 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 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 := 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() + + 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) // escapes: replaced by intrinsic. + 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) // escapes: replaced by intrinsic. + 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.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() { + safecopy.CopyIn(dst, unsafe.Pointer(s)) + } 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() { + safecopy.CopyOut(unsafe.Pointer(s), src) + } 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 usermem.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 usermem.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 usermem.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++ { + 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(cc marshal.CopyContext, 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 := 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 usermem.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 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 := 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():] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.SemNSems)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.unused3)) + dst = dst[8:] + usermem.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(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.unused3 = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.unused4 = uint64(usermem.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() { + safecopy.CopyIn(dst, unsafe.Pointer(s)) + } 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() { + safecopy.CopyOut(unsafe.Pointer(s), src) + } 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 usermem.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 usermem.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 usermem.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..adc1f568e --- /dev/null +++ b/pkg/abi/linux/linux_arm64_state_autogen.go @@ -0,0 +1,48 @@ +// 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() {} + +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() {} + +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..3791000da --- /dev/null +++ b/pkg/abi/linux/linux_state_autogen.go @@ -0,0 +1,178 @@ +// 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() {} + +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() {} + +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() {} + +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() {} + +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 (c *ControlMessageIPPacketInfo) StateTypeName() string { + return "pkg/abi/linux.ControlMessageIPPacketInfo" +} + +func (c *ControlMessageIPPacketInfo) StateFields() []string { + return []string{ + "NIC", + "LocalAddr", + "DestinationAddr", + } +} + +func (c *ControlMessageIPPacketInfo) beforeSave() {} + +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() {} + +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() {} + +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() {} + +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() {} + +func (w *WindowSize) StateSave(stateSinkObject state.Sink) { + w.beforeSave() + stateSinkObject.Save(0, &w.Rows) + stateSinkObject.Save(1, &w.Cols) +} + +func (w *WindowSize) afterLoad() {} + +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((*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 bf73271c6..000000000 --- a/pkg/abi/linux/netfilter_test.go +++ /dev/null @@ -1,49 +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}, - {IP6TReplace{}, SizeOfIP6TReplace}, - {IP6TEntry{}, SizeOfIP6TEntry}, - {IP6TIP{}, SizeOfIP6TIP}, - } - - 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) - } - } -} |