diff options
Diffstat (limited to 'pkg')
| -rw-r--r-- | pkg/abi/linux/linux_abi_autogen_unsafe.go | 4472 | ||||
| -rw-r--r-- | pkg/sentry/arch/arch_amd64_abi_autogen_unsafe.go | 286 | ||||
| -rw-r--r-- | pkg/sentry/arch/arch_arm64_abi_autogen_unsafe.go | 322 | ||||
| -rw-r--r-- | pkg/sentry/syscalls/linux/linux_abi_autogen_unsafe.go | 142 |
4 files changed, 2611 insertions, 2611 deletions
diff --git a/pkg/abi/linux/linux_abi_autogen_unsafe.go b/pkg/abi/linux/linux_abi_autogen_unsafe.go index dbbe85673..e64c0a4da 100644 --- a/pkg/abi/linux/linux_abi_autogen_unsafe.go +++ b/pkg/abi/linux/linux_abi_autogen_unsafe.go @@ -800,65 +800,64 @@ func UnmarshalUnsafeCapUserDataSlice(dst []CapUserData, src []byte) (int, error) } // SizeBytes implements marshal.Marshallable.SizeBytes. -func (s *SockExtendedErr) SizeBytes() int { - return 16 +func (s *SockErrCMsgIPv6) SizeBytes() int { + return 0 + + (*SockExtendedErr)(nil).SizeBytes() + + (*SockAddrInet6)(nil).SizeBytes() } // 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:] +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 *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:] +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 *SockExtendedErr) Packed() bool { - return true +func (s *SockErrCMsgIPv6) Packed() bool { + return s.Offender.Packed() && s.SockExtendedErr.Packed() } // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. -func (s *SockExtendedErr) MarshalUnsafe(dst []byte) { - safecopy.CopyIn(dst, unsafe.Pointer(s)) +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 *SockExtendedErr) UnmarshalUnsafe(src []byte) { - safecopy.CopyOut(unsafe.Pointer(s), src) +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 *SockExtendedErr) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) { +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)) @@ -875,13 +874,23 @@ func (s *SockExtendedErr) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, li // CopyOut implements marshal.Marshallable.CopyOut. //go:nosplit -func (s *SockExtendedErr) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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 *SockExtendedErr) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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)) @@ -897,7 +906,15 @@ func (s *SockExtendedErr) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int } // WriteTo implements io.WriterTo.WriteTo. -func (s *SockExtendedErr) WriteTo(writer io.Writer) (int64, error) { +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)) @@ -913,64 +930,65 @@ func (s *SockExtendedErr) WriteTo(writer io.Writer) (int64, error) { } // SizeBytes implements marshal.Marshallable.SizeBytes. -func (s *SockErrCMsgIPv4) SizeBytes() int { - return 0 + - (*SockExtendedErr)(nil).SizeBytes() + - (*SockAddrInet)(nil).SizeBytes() +func (s *SockExtendedErr) SizeBytes() int { + return 16 } // 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():] +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 *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():] +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 *SockErrCMsgIPv4) Packed() bool { - return s.Offender.Packed() && s.SockExtendedErr.Packed() +func (s *SockExtendedErr) Packed() bool { + return true } // 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) - } +func (s *SockExtendedErr) MarshalUnsafe(dst []byte) { + safecopy.CopyIn(dst, unsafe.Pointer(s)) } // 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) - } +func (s *SockExtendedErr) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(s), 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. - } - +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)) @@ -987,23 +1005,13 @@ func (s *SockErrCMsgIPv4) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, li // CopyOut implements marshal.Marshallable.CopyOut. //go:nosplit -func (s *SockErrCMsgIPv4) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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 *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 - } - +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)) @@ -1019,15 +1027,7 @@ func (s *SockErrCMsgIPv4) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int } // 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 - } - +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)) @@ -1043,14 +1043,14 @@ func (s *SockErrCMsgIPv4) WriteTo(writer io.Writer) (int64, error) { } // SizeBytes implements marshal.Marshallable.SizeBytes. -func (s *SockErrCMsgIPv6) SizeBytes() int { +func (s *SockErrCMsgIPv4) SizeBytes() int { return 0 + (*SockExtendedErr)(nil).SizeBytes() + - (*SockAddrInet6)(nil).SizeBytes() + (*SockAddrInet)(nil).SizeBytes() } // MarshalBytes implements marshal.Marshallable.MarshalBytes. -func (s *SockErrCMsgIPv6) MarshalBytes(dst []byte) { +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()]) @@ -1058,7 +1058,7 @@ func (s *SockErrCMsgIPv6) MarshalBytes(dst []byte) { } // UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. -func (s *SockErrCMsgIPv6) UnmarshalBytes(src []byte) { +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()]) @@ -1067,35 +1067,35 @@ func (s *SockErrCMsgIPv6) UnmarshalBytes(src []byte) { // Packed implements marshal.Marshallable.Packed. //go:nosplit -func (s *SockErrCMsgIPv6) Packed() bool { +func (s *SockErrCMsgIPv4) Packed() bool { return s.Offender.Packed() && s.SockExtendedErr.Packed() } // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. -func (s *SockErrCMsgIPv6) MarshalUnsafe(dst []byte) { +func (s *SockErrCMsgIPv4) 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. + // Type SockErrCMsgIPv4 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) { +func (s *SockErrCMsgIPv4) 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. + // 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 *SockErrCMsgIPv6) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) { +func (s *SockErrCMsgIPv4) 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. + // 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. @@ -1117,15 +1117,15 @@ func (s *SockErrCMsgIPv6) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, li // CopyOut implements marshal.Marshallable.CopyOut. //go:nosplit -func (s *SockErrCMsgIPv6) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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 *SockErrCMsgIPv6) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +func (s *SockErrCMsgIPv4) 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. + // 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 @@ -1149,9 +1149,9 @@ func (s *SockErrCMsgIPv6) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int } // WriteTo implements io.WriterTo.WriteTo. -func (s *SockErrCMsgIPv6) WriteTo(writer io.Writer) (int64, error) { +func (s *SockErrCMsgIPv4) 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. + // 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) @@ -1728,19 +1728,19 @@ func (s *Statfs) WriteTo(writer io.Writer) (int64, error) { } // SizeBytes implements marshal.Marshallable.SizeBytes. -func (f *FUSEWriteIn) SizeBytes() int { +func (f *FUSEReadIn) SizeBytes() int { return 40 } // MarshalBytes implements marshal.Marshallable.MarshalBytes. -func (f *FUSEWriteIn) MarshalBytes(dst []byte) { +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.WriteFlags)) + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.ReadFlags)) dst = dst[4:] usermem.ByteOrder.PutUint64(dst[:8], uint64(f.LockOwner)) dst = dst[8:] @@ -1751,14 +1751,14 @@ func (f *FUSEWriteIn) MarshalBytes(dst []byte) { } // UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. -func (f *FUSEWriteIn) UnmarshalBytes(src []byte) { +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.WriteFlags = uint32(usermem.ByteOrder.Uint32(src[:4])) + f.ReadFlags = uint32(usermem.ByteOrder.Uint32(src[:4])) src = src[4:] f.LockOwner = uint64(usermem.ByteOrder.Uint64(src[:8])) src = src[8:] @@ -1770,23 +1770,23 @@ func (f *FUSEWriteIn) UnmarshalBytes(src []byte) { // Packed implements marshal.Marshallable.Packed. //go:nosplit -func (f *FUSEWriteIn) Packed() bool { +func (f *FUSEReadIn) Packed() bool { return true } // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. -func (f *FUSEWriteIn) MarshalUnsafe(dst []byte) { +func (f *FUSEReadIn) MarshalUnsafe(dst []byte) { safecopy.CopyIn(dst, unsafe.Pointer(f)) } // UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. -func (f *FUSEWriteIn) UnmarshalUnsafe(src []byte) { +func (f *FUSEReadIn) 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) { +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)) @@ -1803,13 +1803,13 @@ func (f *FUSEWriteIn) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit // CopyOut implements marshal.Marshallable.CopyOut. //go:nosplit -func (f *FUSEWriteIn) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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 *FUSEWriteIn) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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)) @@ -1825,7 +1825,7 @@ func (f *FUSEWriteIn) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, er } // WriteTo implements io.WriterTo.WriteTo. -func (f *FUSEWriteIn) WriteTo(writer io.Writer) (int64, error) { +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)) @@ -1841,53 +1841,45 @@ func (f *FUSEWriteIn) WriteTo(writer io.Writer) (int64, error) { } // SizeBytes implements marshal.Marshallable.SizeBytes. -func (f *FUSEDirentMeta) SizeBytes() int { - return 24 +func (f *FUSEWriteOut) SizeBytes() int { + return 8 } // 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)) +func (f *FUSEWriteOut) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Size)) dst = dst[4:] - usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Type)) + // Padding: dst[:sizeof(uint32)] ~= uint32(0) 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])) +func (f *FUSEWriteOut) UnmarshalBytes(src []byte) { + f.Size = uint32(usermem.ByteOrder.Uint32(src[:4])) src = src[4:] - f.Type = uint32(usermem.ByteOrder.Uint32(src[:4])) + // Padding: var _ uint32 ~= src[:sizeof(uint32)] src = src[4:] } // Packed implements marshal.Marshallable.Packed. //go:nosplit -func (f *FUSEDirentMeta) Packed() bool { +func (f *FUSEWriteOut) Packed() bool { return true } // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. -func (f *FUSEDirentMeta) MarshalUnsafe(dst []byte) { +func (f *FUSEWriteOut) MarshalUnsafe(dst []byte) { safecopy.CopyIn(dst, unsafe.Pointer(f)) } // UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. -func (f *FUSEDirentMeta) UnmarshalUnsafe(src []byte) { +func (f *FUSEWriteOut) 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) { +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)) @@ -1904,13 +1896,13 @@ func (f *FUSEDirentMeta) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, lim // CopyOut implements marshal.Marshallable.CopyOut. //go:nosplit -func (f *FUSEDirentMeta) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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 *FUSEDirentMeta) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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)) @@ -1926,7 +1918,7 @@ func (f *FUSEDirentMeta) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, } // WriteTo implements io.WriterTo.WriteTo. -func (f *FUSEDirentMeta) WriteTo(writer io.Writer) (int64, error) { +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)) @@ -1942,77 +1934,29 @@ func (f *FUSEDirentMeta) WriteTo(writer io.Writer) (int64, error) { } // SizeBytes implements marshal.Marshallable.SizeBytes. -func (f *FUSESetAttrIn) SizeBytes() int { - return 88 +func (f *FUSECreateMeta) SizeBytes() int { + return 16 } // 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)) +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:] - // 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)) + 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 *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])) +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:] - // 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])) + f.Umask = uint32(usermem.ByteOrder.Uint32(src[:4])) src = src[4:] // Padding: var _ uint32 ~= src[:sizeof(uint32)] src = src[4:] @@ -2020,23 +1964,23 @@ func (f *FUSESetAttrIn) UnmarshalBytes(src []byte) { // Packed implements marshal.Marshallable.Packed. //go:nosplit -func (f *FUSESetAttrIn) Packed() bool { +func (f *FUSECreateMeta) Packed() bool { return true } // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. -func (f *FUSESetAttrIn) MarshalUnsafe(dst []byte) { +func (f *FUSECreateMeta) MarshalUnsafe(dst []byte) { safecopy.CopyIn(dst, unsafe.Pointer(f)) } // UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. -func (f *FUSESetAttrIn) UnmarshalUnsafe(src []byte) { +func (f *FUSECreateMeta) 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) { +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)) @@ -2053,13 +1997,13 @@ func (f *FUSESetAttrIn) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limi // CopyOut implements marshal.Marshallable.CopyOut. //go:nosplit -func (f *FUSESetAttrIn) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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 *FUSESetAttrIn) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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)) @@ -2075,7 +2019,7 @@ func (f *FUSESetAttrIn) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, } // WriteTo implements io.WriterTo.WriteTo. -func (f *FUSESetAttrIn) WriteTo(writer io.Writer) (int64, error) { +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)) @@ -2091,88 +2035,53 @@ func (f *FUSESetAttrIn) WriteTo(writer io.Writer) (int64, error) { } // SizeBytes implements marshal.Marshallable.SizeBytes. -func (f *FUSEHeaderIn) SizeBytes() int { - return 28 + - (*FUSEOpcode)(nil).SizeBytes() + - (*FUSEOpID)(nil).SizeBytes() +func (f *FUSEDirentMeta) SizeBytes() int { + return 24 } // 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)) +func (f *FUSEDirentMeta) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.Ino)) 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)) + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.Off)) + dst = dst[8:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.NameLen)) dst = dst[4:] - // Padding: dst[:sizeof(uint32)] ~= uint32(0) + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Type)) 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])) +func (f *FUSEDirentMeta) UnmarshalBytes(src []byte) { + f.Ino = 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])) + f.Off = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + f.NameLen = uint32(usermem.ByteOrder.Uint32(src[:4])) src = src[4:] - // Padding: var _ uint32 ~= src[:sizeof(uint32)] + f.Type = uint32(usermem.ByteOrder.Uint32(src[:4])) src = src[4:] } // Packed implements marshal.Marshallable.Packed. //go:nosplit -func (f *FUSEHeaderIn) Packed() bool { - return f.Opcode.Packed() && f.Unique.Packed() +func (f *FUSEDirentMeta) Packed() bool { + return true } // 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) - } +func (f *FUSEDirentMeta) MarshalUnsafe(dst []byte) { + safecopy.CopyIn(dst, unsafe.Pointer(f)) } // 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) - } +func (f *FUSEDirentMeta) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(f), 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. - } - +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)) @@ -2189,23 +2098,13 @@ func (f *FUSEHeaderIn) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit // CopyOut implements marshal.Marshallable.CopyOut. //go:nosplit -func (f *FUSEHeaderIn) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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 *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 - } - +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)) @@ -2221,15 +2120,7 @@ func (f *FUSEHeaderIn) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, e } // 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 - } - +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)) @@ -2245,49 +2136,41 @@ func (f *FUSEHeaderIn) WriteTo(writer io.Writer) (int64, error) { } // SizeBytes implements marshal.Marshallable.SizeBytes. -func (f *FUSEGetAttrIn) SizeBytes() int { - return 16 +//go:nosplit +func (f *FUSEOpID) SizeBytes() int { + return 8 } // 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:] +func (f *FUSEOpID) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(*f)) } // 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:] +func (f *FUSEOpID) UnmarshalBytes(src []byte) { + *f = FUSEOpID(uint64(usermem.ByteOrder.Uint64(src[:8]))) } // Packed implements marshal.Marshallable.Packed. //go:nosplit -func (f *FUSEGetAttrIn) Packed() bool { +func (f *FUSEOpID) Packed() bool { + // Scalar newtypes are always packed. return true } // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. -func (f *FUSEGetAttrIn) MarshalUnsafe(dst []byte) { +func (f *FUSEOpID) MarshalUnsafe(dst []byte) { safecopy.CopyIn(dst, unsafe.Pointer(f)) } // UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. -func (f *FUSEGetAttrIn) UnmarshalUnsafe(src []byte) { +func (f *FUSEOpID) 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) { +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)) @@ -2304,13 +2187,13 @@ func (f *FUSEGetAttrIn) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limi // CopyOut implements marshal.Marshallable.CopyOut. //go:nosplit -func (f *FUSEGetAttrIn) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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 *FUSEGetAttrIn) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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)) @@ -2326,7 +2209,7 @@ func (f *FUSEGetAttrIn) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, } // WriteTo implements io.WriterTo.WriteTo. -func (f *FUSEGetAttrIn) WriteTo(writer io.Writer) (int64, error) { +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)) @@ -2334,7 +2217,7 @@ func (f *FUSEGetAttrIn) WriteTo(writer io.Writer) (int64, error) { hdr.Len = f.SizeBytes() hdr.Cap = f.SizeBytes() - length, err := writer.Write(buf) + 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. @@ -2342,83 +2225,82 @@ func (f *FUSEGetAttrIn) WriteTo(writer io.Writer) (int64, error) { } // SizeBytes implements marshal.Marshallable.SizeBytes. -func (f *FUSEEntryOut) SizeBytes() int { - return 40 + - (*FUSEAttr)(nil).SizeBytes() +func (f *FUSEInitOut) SizeBytes() int { + return 32 + + 4*8 } // 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)) +func (f *FUSEInitOut) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Major)) dst = dst[4:] - usermem.ByteOrder.PutUint32(dst[:4], uint32(f.AttrValidNSec)) + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Minor)) dst = dst[4:] - f.Attr.MarshalBytes(dst[:f.Attr.SizeBytes()]) - dst = dst[f.Attr.SizeBytes():] + 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 *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])) +func (f *FUSEInitOut) UnmarshalBytes(src []byte) { + f.Major = uint32(usermem.ByteOrder.Uint32(src[:4])) src = src[4:] - f.AttrValidNSec = uint32(usermem.ByteOrder.Uint32(src[:4])) + f.Minor = uint32(usermem.ByteOrder.Uint32(src[:4])) src = src[4:] - f.Attr.UnmarshalBytes(src[:f.Attr.SizeBytes()]) - src = src[f.Attr.SizeBytes():] + 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 *FUSEEntryOut) Packed() bool { - return f.Attr.Packed() +func (f *FUSEInitOut) Packed() bool { + return true } // 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) - } +func (f *FUSEInitOut) MarshalUnsafe(dst []byte) { + safecopy.CopyIn(dst, unsafe.Pointer(f)) } // 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) - } +func (f *FUSEInitOut) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(f), 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. - } - +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)) @@ -2435,23 +2317,13 @@ func (f *FUSEEntryOut) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit // CopyOut implements marshal.Marshallable.CopyOut. //go:nosplit -func (f *FUSEEntryOut) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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 *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 - } - +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)) @@ -2467,15 +2339,7 @@ func (f *FUSEEntryOut) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, e } // 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 - } - +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)) @@ -2588,65 +2452,83 @@ func (f *FUSEOpenOut) WriteTo(writer io.Writer) (int64, error) { } // SizeBytes implements marshal.Marshallable.SizeBytes. -func (f *FUSEReadIn) SizeBytes() int { - return 40 +func (f *FUSEEntryOut) SizeBytes() int { + return 40 + + (*FUSEAttr)(nil).SizeBytes() } // MarshalBytes implements marshal.Marshallable.MarshalBytes. -func (f *FUSEReadIn) MarshalBytes(dst []byte) { - usermem.ByteOrder.PutUint64(dst[:8], uint64(f.Fh)) +func (f *FUSEEntryOut) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.NodeID)) dst = dst[8:] - usermem.ByteOrder.PutUint64(dst[:8], uint64(f.Offset)) + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.Generation)) 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)) + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.EntryValid)) dst = dst[8:] - usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Flags)) + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.AttrValid)) + dst = dst[8:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.EntryValidNSec)) dst = dst[4:] - // Padding: dst[:sizeof(uint32)] ~= uint32(0) + 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 *FUSEReadIn) UnmarshalBytes(src []byte) { - f.Fh = uint64(usermem.ByteOrder.Uint64(src[:8])) +func (f *FUSEEntryOut) UnmarshalBytes(src []byte) { + f.NodeID = uint64(usermem.ByteOrder.Uint64(src[:8])) src = src[8:] - f.Offset = uint64(usermem.ByteOrder.Uint64(src[:8])) + f.Generation = 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])) + f.EntryValid = uint64(usermem.ByteOrder.Uint64(src[:8])) src = src[8:] - f.Flags = uint32(usermem.ByteOrder.Uint32(src[:4])) + f.AttrValid = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + f.EntryValidNSec = uint32(usermem.ByteOrder.Uint32(src[:4])) src = src[4:] - // Padding: var _ uint32 ~= src[:sizeof(uint32)] + 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 *FUSEReadIn) Packed() bool { - return true +func (f *FUSEEntryOut) Packed() bool { + return f.Attr.Packed() } // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. -func (f *FUSEReadIn) MarshalUnsafe(dst []byte) { - safecopy.CopyIn(dst, unsafe.Pointer(f)) +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 *FUSEReadIn) UnmarshalUnsafe(src []byte) { - safecopy.CopyOut(unsafe.Pointer(f), src) +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 *FUSEReadIn) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) { +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)) @@ -2663,13 +2545,23 @@ func (f *FUSEReadIn) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit i // CopyOut implements marshal.Marshallable.CopyOut. //go:nosplit -func (f *FUSEReadIn) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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 *FUSEReadIn) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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)) @@ -2685,7 +2577,15 @@ func (f *FUSEReadIn) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, err } // WriteTo implements io.WriterTo.WriteTo. -func (f *FUSEReadIn) WriteTo(writer io.Writer) (int64, error) { +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)) @@ -2701,41 +2601,45 @@ func (f *FUSEReadIn) WriteTo(writer io.Writer) (int64, error) { } // SizeBytes implements marshal.Marshallable.SizeBytes. -//go:nosplit -func (f *FUSEOpID) SizeBytes() int { +func (f *FUSEOpenIn) SizeBytes() int { return 8 } // MarshalBytes implements marshal.Marshallable.MarshalBytes. -func (f *FUSEOpID) MarshalBytes(dst []byte) { - usermem.ByteOrder.PutUint64(dst[:8], uint64(*f)) +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 *FUSEOpID) UnmarshalBytes(src []byte) { - *f = FUSEOpID(uint64(usermem.ByteOrder.Uint64(src[:8]))) +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 *FUSEOpID) Packed() bool { - // Scalar newtypes are always packed. +func (f *FUSEOpenIn) Packed() bool { return true } // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. -func (f *FUSEOpID) MarshalUnsafe(dst []byte) { +func (f *FUSEOpenIn) MarshalUnsafe(dst []byte) { safecopy.CopyIn(dst, unsafe.Pointer(f)) } // UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. -func (f *FUSEOpID) UnmarshalUnsafe(src []byte) { +func (f *FUSEOpenIn) 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) { +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)) @@ -2752,13 +2656,13 @@ func (f *FUSEOpID) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int // CopyOut implements marshal.Marshallable.CopyOut. //go:nosplit -func (f *FUSEOpID) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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 *FUSEOpID) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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)) @@ -2774,7 +2678,7 @@ func (f *FUSEOpID) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error } // WriteTo implements io.WriterTo.WriteTo. -func (f *FUSEOpID) WriteTo(w io.Writer) (int64, error) { +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)) @@ -2782,7 +2686,7 @@ func (f *FUSEOpID) WriteTo(w io.Writer) (int64, error) { hdr.Len = f.SizeBytes() hdr.Cap = f.SizeBytes() - length, err := w.Write(buf) + 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. @@ -2790,67 +2694,65 @@ func (f *FUSEOpID) WriteTo(w io.Writer) (int64, error) { } // SizeBytes implements marshal.Marshallable.SizeBytes. -func (f *FUSEHeaderOut) SizeBytes() int { - return 8 + - (*FUSEOpID)(nil).SizeBytes() +func (f *FUSEWriteIn) SizeBytes() int { + return 40 } // MarshalBytes implements marshal.Marshallable.MarshalBytes. -func (f *FUSEHeaderOut) MarshalBytes(dst []byte) { - usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Len)) +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.Error)) + 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:] - 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])) +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.Error = int32(usermem.ByteOrder.Uint32(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:] - 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() +func (f *FUSEWriteIn) Packed() bool { + return true } // 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) - } +func (f *FUSEWriteIn) MarshalUnsafe(dst []byte) { + safecopy.CopyIn(dst, unsafe.Pointer(f)) } // 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) - } +func (f *FUSEWriteIn) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(f), 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. - } - +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)) @@ -2867,23 +2769,13 @@ func (f *FUSEHeaderOut) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limi // CopyOut implements marshal.Marshallable.CopyOut. //go:nosplit -func (f *FUSEHeaderOut) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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 *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 - } - +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)) @@ -2899,15 +2791,7 @@ func (f *FUSEHeaderOut) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, } // 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 - } - +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)) @@ -2923,82 +2807,101 @@ func (f *FUSEHeaderOut) WriteTo(writer io.Writer) (int64, error) { } // SizeBytes implements marshal.Marshallable.SizeBytes. -func (f *FUSEInitOut) SizeBytes() int { - return 32 + - 4*8 +func (f *FUSESetAttrIn) SizeBytes() int { + return 88 } // MarshalBytes implements marshal.Marshallable.MarshalBytes. -func (f *FUSEInitOut) MarshalBytes(dst []byte) { - usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Major)) +func (f *FUSESetAttrIn) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Valid)) dst = dst[4:] - usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Minor)) + // Padding: dst[:sizeof(uint32)] ~= uint32(0) dst = dst[4:] - usermem.ByteOrder.PutUint32(dst[:4], uint32(f.MaxReadahead)) + 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.Flags)) + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.MtimeNsec)) 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)) + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.CtimeNsec)) dst = dst[4:] - usermem.ByteOrder.PutUint32(dst[:4], uint32(f.TimeGran)) + 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:] - 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])) +func (f *FUSESetAttrIn) UnmarshalBytes(src []byte) { + f.Valid = uint32(usermem.ByteOrder.Uint32(src[:4])) src = src[4:] - f.Minor = uint32(usermem.ByteOrder.Uint32(src[:4])) + // Padding: var _ uint32 ~= src[:sizeof(uint32)] src = src[4:] - f.MaxReadahead = uint32(usermem.ByteOrder.Uint32(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.Flags = uint32(usermem.ByteOrder.Uint32(src[:4])) + f.MtimeNsec = 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])) + f.CtimeNsec = uint32(usermem.ByteOrder.Uint32(src[:4])) src = src[4:] - f.TimeGran = uint32(usermem.ByteOrder.Uint32(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:] - 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 { +func (f *FUSESetAttrIn) Packed() bool { return true } // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. -func (f *FUSEInitOut) MarshalUnsafe(dst []byte) { +func (f *FUSESetAttrIn) MarshalUnsafe(dst []byte) { safecopy.CopyIn(dst, unsafe.Pointer(f)) } // UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. -func (f *FUSEInitOut) UnmarshalUnsafe(src []byte) { +func (f *FUSESetAttrIn) 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) { +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)) @@ -3015,13 +2918,13 @@ func (f *FUSEInitOut) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit // CopyOut implements marshal.Marshallable.CopyOut. //go:nosplit -func (f *FUSEInitOut) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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 *FUSEInitOut) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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)) @@ -3037,7 +2940,7 @@ func (f *FUSEInitOut) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, er } // WriteTo implements io.WriterTo.WriteTo. -func (f *FUSEInitOut) WriteTo(writer io.Writer) (int64, error) { +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)) @@ -3053,41 +2956,67 @@ func (f *FUSEInitOut) WriteTo(writer io.Writer) (int64, error) { } // SizeBytes implements marshal.Marshallable.SizeBytes. -//go:nosplit -func (f *FUSEOpcode) SizeBytes() int { - return 4 +func (f *FUSEHeaderOut) SizeBytes() int { + return 8 + + (*FUSEOpID)(nil).SizeBytes() } // MarshalBytes implements marshal.Marshallable.MarshalBytes. -func (f *FUSEOpcode) MarshalBytes(dst []byte) { - usermem.ByteOrder.PutUint32(dst[:4], uint32(*f)) +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 *FUSEOpcode) UnmarshalBytes(src []byte) { - *f = FUSEOpcode(uint32(usermem.ByteOrder.Uint32(src[:4]))) +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 *FUSEOpcode) Packed() bool { - // Scalar newtypes are always packed. - return true +func (f *FUSEHeaderOut) Packed() bool { + return f.Unique.Packed() } // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. -func (f *FUSEOpcode) MarshalUnsafe(dst []byte) { - safecopy.CopyIn(dst, unsafe.Pointer(f)) +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 *FUSEOpcode) UnmarshalUnsafe(src []byte) { - safecopy.CopyOut(unsafe.Pointer(f), src) +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 *FUSEOpcode) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) { +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)) @@ -3104,13 +3033,23 @@ func (f *FUSEOpcode) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit i // CopyOut implements marshal.Marshallable.CopyOut. //go:nosplit -func (f *FUSEOpcode) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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 *FUSEOpcode) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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)) @@ -3126,7 +3065,15 @@ func (f *FUSEOpcode) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, err } // WriteTo implements io.WriterTo.WriteTo. -func (f *FUSEOpcode) WriteTo(w io.Writer) (int64, error) { +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)) @@ -3134,7 +3081,7 @@ func (f *FUSEOpcode) WriteTo(w io.Writer) (int64, error) { hdr.Len = f.SizeBytes() hdr.Cap = f.SizeBytes() - length, err := w.Write(buf) + 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. @@ -3392,53 +3339,45 @@ func (f *FUSEAttr) WriteTo(writer io.Writer) (int64, error) { } // SizeBytes implements marshal.Marshallable.SizeBytes. -func (f *FUSEReleaseIn) SizeBytes() int { - return 24 +func (f *FUSEMkdirMeta) SizeBytes() int { + return 8 } // 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)) +func (f *FUSEMkdirMeta) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Mode)) dst = dst[4:] - usermem.ByteOrder.PutUint32(dst[:4], uint32(f.ReleaseFlags)) + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Umask)) 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])) +func (f *FUSEMkdirMeta) UnmarshalBytes(src []byte) { + f.Mode = uint32(usermem.ByteOrder.Uint32(src[:4])) src = src[4:] - f.ReleaseFlags = uint32(usermem.ByteOrder.Uint32(src[:4])) + f.Umask = 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 { +func (f *FUSEMkdirMeta) Packed() bool { return true } // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. -func (f *FUSEReleaseIn) MarshalUnsafe(dst []byte) { +func (f *FUSEMkdirMeta) MarshalUnsafe(dst []byte) { safecopy.CopyIn(dst, unsafe.Pointer(f)) } // UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. -func (f *FUSEReleaseIn) UnmarshalUnsafe(src []byte) { +func (f *FUSEMkdirMeta) 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) { +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)) @@ -3455,13 +3394,13 @@ func (f *FUSEReleaseIn) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limi // CopyOut implements marshal.Marshallable.CopyOut. //go:nosplit -func (f *FUSEReleaseIn) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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 *FUSEReleaseIn) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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)) @@ -3477,7 +3416,7 @@ func (f *FUSEReleaseIn) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, } // WriteTo implements io.WriterTo.WriteTo. -func (f *FUSEReleaseIn) WriteTo(writer io.Writer) (int64, error) { +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)) @@ -3493,45 +3432,49 @@ func (f *FUSEReleaseIn) WriteTo(writer io.Writer) (int64, error) { } // SizeBytes implements marshal.Marshallable.SizeBytes. -func (f *FUSEMkdirMeta) SizeBytes() int { - return 8 +func (f *FUSEGetAttrIn) SizeBytes() int { + return 16 } // MarshalBytes implements marshal.Marshallable.MarshalBytes. -func (f *FUSEMkdirMeta) MarshalBytes(dst []byte) { - usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Mode)) +func (f *FUSEGetAttrIn) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.GetAttrFlags)) dst = dst[4:] - usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Umask)) + // 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 *FUSEMkdirMeta) UnmarshalBytes(src []byte) { - f.Mode = uint32(usermem.ByteOrder.Uint32(src[:4])) +func (f *FUSEGetAttrIn) UnmarshalBytes(src []byte) { + f.GetAttrFlags = uint32(usermem.ByteOrder.Uint32(src[:4])) src = src[4:] - f.Umask = uint32(usermem.ByteOrder.Uint32(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 *FUSEMkdirMeta) Packed() bool { +func (f *FUSEGetAttrIn) Packed() bool { return true } // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. -func (f *FUSEMkdirMeta) MarshalUnsafe(dst []byte) { +func (f *FUSEGetAttrIn) MarshalUnsafe(dst []byte) { safecopy.CopyIn(dst, unsafe.Pointer(f)) } // UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. -func (f *FUSEMkdirMeta) UnmarshalUnsafe(src []byte) { +func (f *FUSEGetAttrIn) 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) { +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)) @@ -3548,13 +3491,13 @@ func (f *FUSEMkdirMeta) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limi // CopyOut implements marshal.Marshallable.CopyOut. //go:nosplit -func (f *FUSEMkdirMeta) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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 *FUSEMkdirMeta) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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)) @@ -3570,7 +3513,7 @@ func (f *FUSEMkdirMeta) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, } // WriteTo implements io.WriterTo.WriteTo. -func (f *FUSEMkdirMeta) WriteTo(writer io.Writer) (int64, error) { +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)) @@ -3586,71 +3529,53 @@ func (f *FUSEMkdirMeta) WriteTo(writer io.Writer) (int64, error) { } // SizeBytes implements marshal.Marshallable.SizeBytes. -func (f *FUSEGetAttrOut) SizeBytes() int { - return 16 + - (*FUSEAttr)(nil).SizeBytes() +func (f *FUSEReleaseIn) SizeBytes() int { + return 24 } // MarshalBytes implements marshal.Marshallable.MarshalBytes. -func (f *FUSEGetAttrOut) MarshalBytes(dst []byte) { - usermem.ByteOrder.PutUint64(dst[:8], uint64(f.AttrValid)) +func (f *FUSEReleaseIn) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.Fh)) dst = dst[8:] - usermem.ByteOrder.PutUint32(dst[:4], uint32(f.AttrValidNsec)) + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Flags)) dst = dst[4:] - // Padding: dst[:sizeof(uint32)] ~= uint32(0) + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.ReleaseFlags)) dst = dst[4:] - f.Attr.MarshalBytes(dst[:f.Attr.SizeBytes()]) - dst = dst[f.Attr.SizeBytes():] + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.LockOwner)) + dst = dst[8:] } // UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. -func (f *FUSEGetAttrOut) UnmarshalBytes(src []byte) { - f.AttrValid = uint64(usermem.ByteOrder.Uint64(src[:8])) +func (f *FUSEReleaseIn) UnmarshalBytes(src []byte) { + f.Fh = uint64(usermem.ByteOrder.Uint64(src[:8])) src = src[8:] - f.AttrValidNsec = uint32(usermem.ByteOrder.Uint32(src[:4])) + f.Flags = uint32(usermem.ByteOrder.Uint32(src[:4])) src = src[4:] - // Padding: var _ uint32 ~= src[:sizeof(uint32)] + f.ReleaseFlags = uint32(usermem.ByteOrder.Uint32(src[:4])) src = src[4:] - f.Attr.UnmarshalBytes(src[:f.Attr.SizeBytes()]) - src = src[f.Attr.SizeBytes():] + f.LockOwner = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] } // Packed implements marshal.Marshallable.Packed. //go:nosplit -func (f *FUSEGetAttrOut) Packed() bool { - return f.Attr.Packed() +func (f *FUSEReleaseIn) Packed() bool { + return true } // 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) - } +func (f *FUSEReleaseIn) MarshalUnsafe(dst []byte) { + safecopy.CopyIn(dst, unsafe.Pointer(f)) } // 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) - } +func (f *FUSEReleaseIn) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(f), 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. - } - +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)) @@ -3667,23 +3592,13 @@ func (f *FUSEGetAttrOut) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, lim // CopyOut implements marshal.Marshallable.CopyOut. //go:nosplit -func (f *FUSEGetAttrOut) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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 *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 - } - +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)) @@ -3699,15 +3614,7 @@ func (f *FUSEGetAttrOut) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, } // 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 - } - +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)) @@ -3723,21 +3630,29 @@ func (f *FUSEGetAttrOut) WriteTo(writer io.Writer) (int64, error) { } // SizeBytes implements marshal.Marshallable.SizeBytes. -func (f *FUSEOpenIn) SizeBytes() int { - return 8 +func (f *FUSEMknodMeta) SizeBytes() int { + return 16 } // MarshalBytes implements marshal.Marshallable.MarshalBytes. -func (f *FUSEOpenIn) MarshalBytes(dst []byte) { - usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Flags)) +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 *FUSEOpenIn) UnmarshalBytes(src []byte) { - f.Flags = uint32(usermem.ByteOrder.Uint32(src[:4])) +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:] @@ -3745,23 +3660,23 @@ func (f *FUSEOpenIn) UnmarshalBytes(src []byte) { // Packed implements marshal.Marshallable.Packed. //go:nosplit -func (f *FUSEOpenIn) Packed() bool { +func (f *FUSEMknodMeta) Packed() bool { return true } // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. -func (f *FUSEOpenIn) MarshalUnsafe(dst []byte) { +func (f *FUSEMknodMeta) MarshalUnsafe(dst []byte) { safecopy.CopyIn(dst, unsafe.Pointer(f)) } // UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. -func (f *FUSEOpenIn) UnmarshalUnsafe(src []byte) { +func (f *FUSEMknodMeta) 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) { +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)) @@ -3778,13 +3693,13 @@ func (f *FUSEOpenIn) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit i // CopyOut implements marshal.Marshallable.CopyOut. //go:nosplit -func (f *FUSEOpenIn) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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 *FUSEOpenIn) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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)) @@ -3800,7 +3715,7 @@ func (f *FUSEOpenIn) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, err } // WriteTo implements io.WriterTo.WriteTo. -func (f *FUSEOpenIn) WriteTo(writer io.Writer) (int64, error) { +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)) @@ -3816,45 +3731,41 @@ func (f *FUSEOpenIn) WriteTo(writer io.Writer) (int64, error) { } // SizeBytes implements marshal.Marshallable.SizeBytes. -func (f *FUSEWriteOut) SizeBytes() int { - return 8 +//go:nosplit +func (f *FUSEOpcode) SizeBytes() int { + return 4 } // 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:] +func (f *FUSEOpcode) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint32(dst[:4], uint32(*f)) } // 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:] +func (f *FUSEOpcode) UnmarshalBytes(src []byte) { + *f = FUSEOpcode(uint32(usermem.ByteOrder.Uint32(src[:4]))) } // Packed implements marshal.Marshallable.Packed. //go:nosplit -func (f *FUSEWriteOut) Packed() bool { +func (f *FUSEOpcode) Packed() bool { + // Scalar newtypes are always packed. return true } // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. -func (f *FUSEWriteOut) MarshalUnsafe(dst []byte) { +func (f *FUSEOpcode) MarshalUnsafe(dst []byte) { safecopy.CopyIn(dst, unsafe.Pointer(f)) } // UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. -func (f *FUSEWriteOut) UnmarshalUnsafe(src []byte) { +func (f *FUSEOpcode) 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) { +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)) @@ -3871,13 +3782,13 @@ func (f *FUSEWriteOut) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit // CopyOut implements marshal.Marshallable.CopyOut. //go:nosplit -func (f *FUSEWriteOut) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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 *FUSEWriteOut) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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)) @@ -3893,7 +3804,7 @@ func (f *FUSEWriteOut) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, e } // WriteTo implements io.WriterTo.WriteTo. -func (f *FUSEWriteOut) WriteTo(writer io.Writer) (int64, error) { +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)) @@ -3901,7 +3812,7 @@ func (f *FUSEWriteOut) WriteTo(writer io.Writer) (int64, error) { hdr.Len = f.SizeBytes() hdr.Cap = f.SizeBytes() - length, err := writer.Write(buf) + 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. @@ -3909,29 +3820,47 @@ func (f *FUSEWriteOut) WriteTo(writer io.Writer) (int64, error) { } // SizeBytes implements marshal.Marshallable.SizeBytes. -func (f *FUSECreateMeta) SizeBytes() int { - return 16 +func (f *FUSEHeaderIn) SizeBytes() int { + return 28 + + (*FUSEOpcode)(nil).SizeBytes() + + (*FUSEOpID)(nil).SizeBytes() } // MarshalBytes implements marshal.Marshallable.MarshalBytes. -func (f *FUSECreateMeta) MarshalBytes(dst []byte) { - usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Flags)) +func (f *FUSEHeaderIn) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Len)) dst = dst[4:] - usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Mode)) + 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.Umask)) + 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 *FUSECreateMeta) UnmarshalBytes(src []byte) { - f.Flags = uint32(usermem.ByteOrder.Uint32(src[:4])) +func (f *FUSEHeaderIn) UnmarshalBytes(src []byte) { + f.Len = uint32(usermem.ByteOrder.Uint32(src[:4])) src = src[4:] - f.Mode = uint32(usermem.ByteOrder.Uint32(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.Umask = uint32(usermem.ByteOrder.Uint32(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:] @@ -3939,23 +3868,40 @@ func (f *FUSECreateMeta) UnmarshalBytes(src []byte) { // Packed implements marshal.Marshallable.Packed. //go:nosplit -func (f *FUSECreateMeta) Packed() bool { - return true +func (f *FUSEHeaderIn) Packed() bool { + return f.Opcode.Packed() && f.Unique.Packed() } // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. -func (f *FUSECreateMeta) MarshalUnsafe(dst []byte) { - safecopy.CopyIn(dst, unsafe.Pointer(f)) +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 *FUSECreateMeta) UnmarshalUnsafe(src []byte) { - safecopy.CopyOut(unsafe.Pointer(f), src) +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 *FUSECreateMeta) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) { +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)) @@ -3972,13 +3918,23 @@ func (f *FUSECreateMeta) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, lim // CopyOut implements marshal.Marshallable.CopyOut. //go:nosplit -func (f *FUSECreateMeta) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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 *FUSECreateMeta) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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)) @@ -3994,7 +3950,15 @@ func (f *FUSECreateMeta) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, } // WriteTo implements io.WriterTo.WriteTo. -func (f *FUSECreateMeta) WriteTo(writer io.Writer) (int64, error) { +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)) @@ -4010,53 +3974,71 @@ func (f *FUSECreateMeta) WriteTo(writer io.Writer) (int64, error) { } // SizeBytes implements marshal.Marshallable.SizeBytes. -func (f *FUSEMknodMeta) SizeBytes() int { - return 16 +func (f *FUSEGetAttrOut) SizeBytes() int { + return 16 + + (*FUSEAttr)(nil).SizeBytes() } // 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)) +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 *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])) +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 *FUSEMknodMeta) Packed() bool { - return true +func (f *FUSEGetAttrOut) Packed() bool { + return f.Attr.Packed() } // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. -func (f *FUSEMknodMeta) MarshalUnsafe(dst []byte) { - safecopy.CopyIn(dst, unsafe.Pointer(f)) +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 *FUSEMknodMeta) UnmarshalUnsafe(src []byte) { - safecopy.CopyOut(unsafe.Pointer(f), src) +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 *FUSEMknodMeta) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) { +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)) @@ -4073,13 +4055,23 @@ func (f *FUSEMknodMeta) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limi // CopyOut implements marshal.Marshallable.CopyOut. //go:nosplit -func (f *FUSEMknodMeta) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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 *FUSEMknodMeta) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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)) @@ -4095,7 +4087,15 @@ func (f *FUSEMknodMeta) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, } // WriteTo implements io.WriterTo.WriteTo. -func (f *FUSEMknodMeta) WriteTo(writer io.Writer) (int64, error) { +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)) @@ -4648,6 +4648,104 @@ func (n *NumaPolicy) WriteTo(w io.Writer) (int64, error) { } // 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 (ifr *IFReq) SizeBytes() int { return 0 + 1*IFNAMSIZ + @@ -4751,50 +4849,175 @@ func (ifr *IFReq) WriteTo(writer io.Writer) (int64, error) { } // SizeBytes implements marshal.Marshallable.SizeBytes. -func (i *IFConf) SizeBytes() int { +//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 *IPTEntry) SizeBytes() int { return 12 + - 1*4 + (*IPTIP)(nil).SizeBytes() + + (*XTCounters)(nil).SizeBytes() } // MarshalBytes implements marshal.Marshallable.MarshalBytes. -func (i *IFConf) MarshalBytes(dst []byte) { - usermem.ByteOrder.PutUint32(dst[:4], uint32(i.Len)) +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:] - // Padding: dst[:sizeof(byte)*4] ~= [4]byte{0} - dst = dst[1*(4):] - usermem.ByteOrder.PutUint64(dst[:8], uint64(i.Ptr)) - dst = dst[8:] + 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 *IFConf) UnmarshalBytes(src []byte) { - i.Len = int32(usermem.ByteOrder.Uint32(src[:4])) +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:] - // Padding: ~ copy([4]byte(i._), src[:sizeof(byte)*4]) - src = src[1*(4):] - i.Ptr = uint64(usermem.ByteOrder.Uint64(src[:8])) - src = src[8:] + 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 *IFConf) Packed() bool { - return true +func (i *IPTEntry) Packed() bool { + return i.Counters.Packed() && i.IP.Packed() } // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. -func (i *IFConf) MarshalUnsafe(dst []byte) { - safecopy.CopyIn(dst, unsafe.Pointer(i)) +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 *IFConf) UnmarshalUnsafe(src []byte) { - safecopy.CopyOut(unsafe.Pointer(i), src) +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 *IFConf) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) { +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)) @@ -4811,13 +5034,23 @@ func (i *IFConf) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) // CopyOut implements marshal.Marshallable.CopyOut. //go:nosplit -func (i *IFConf) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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 *IFConf) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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)) @@ -4833,7 +5066,203 @@ func (i *IFConf) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) } // WriteTo implements io.WriterTo.WriteTo. -func (i *IFConf) WriteTo(writer io.Writer) (int64, error) { +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)) @@ -5455,435 +5884,6 @@ func (en *ExtensionName) WriteTo(w io.Writer) (int64, error) { } // 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 *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 (i *IP6TReplace) SizeBytes() int { return 24 + (*TableName)(nil).SizeBytes() + @@ -7384,57 +7384,98 @@ func (s *SemInfo) WriteTo(writer io.Writer) (int64, error) { } // SizeBytes implements marshal.Marshallable.SizeBytes. -func (s *ShmParams) SizeBytes() int { - return 40 +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 *ShmParams) MarshalBytes(dst []byte) { - usermem.ByteOrder.PutUint64(dst[:8], uint64(s.ShmMax)) - dst = dst[8:] - usermem.ByteOrder.PutUint64(dst[:8], uint64(s.ShmMin)) +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:] - usermem.ByteOrder.PutUint64(dst[:8], uint64(s.ShmMni)) + 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.ShmSeg)) + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Unused4)) dst = dst[8:] - usermem.ByteOrder.PutUint64(dst[:8], uint64(s.ShmAll)) + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Unused5)) 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])) +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.ShmMni = uint64(usermem.ByteOrder.Uint64(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.ShmSeg = uint64(usermem.ByteOrder.Uint64(src[:8])) + s.Unused4 = uint64(usermem.ByteOrder.Uint64(src[:8])) src = src[8:] - s.ShmAll = uint64(usermem.ByteOrder.Uint64(src[:8])) + s.Unused5 = uint64(usermem.ByteOrder.Uint64(src[:8])) src = src[8:] } // Packed implements marshal.Marshallable.Packed. //go:nosplit -func (s *ShmParams) Packed() bool { - return true +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 *ShmParams) MarshalUnsafe(dst []byte) { - safecopy.CopyIn(dst, unsafe.Pointer(s)) +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 *ShmParams) UnmarshalUnsafe(src []byte) { - safecopy.CopyOut(unsafe.Pointer(s), src) +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 *ShmParams) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) { +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)) @@ -7451,13 +7492,23 @@ func (s *ShmParams) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit in // CopyOut implements marshal.Marshallable.CopyOut. //go:nosplit -func (s *ShmParams) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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 *ShmParams) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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)) @@ -7473,7 +7524,15 @@ func (s *ShmParams) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, erro } // WriteTo implements io.WriterTo.WriteTo. -func (s *ShmParams) WriteTo(writer io.Writer) (int64, error) { +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)) @@ -7489,66 +7548,57 @@ func (s *ShmParams) WriteTo(writer io.Writer) (int64, error) { } // SizeBytes implements marshal.Marshallable.SizeBytes. -func (s *ShmInfo) SizeBytes() int { - return 44 + - 1*4 +func (s *ShmParams) SizeBytes() int { + return 40 } // 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)) +func (s *ShmParams) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.ShmMax)) dst = dst[8:] - usermem.ByteOrder.PutUint64(dst[:8], uint64(s.ShmRss)) + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.ShmMin)) dst = dst[8:] - usermem.ByteOrder.PutUint64(dst[:8], uint64(s.ShmSwp)) + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.ShmMni)) dst = dst[8:] - usermem.ByteOrder.PutUint64(dst[:8], uint64(s.SwapAttempts)) + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.ShmSeg)) dst = dst[8:] - usermem.ByteOrder.PutUint64(dst[:8], uint64(s.SwapSuccesses)) + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.ShmAll)) 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])) +func (s *ShmParams) UnmarshalBytes(src []byte) { + s.ShmMax = uint64(usermem.ByteOrder.Uint64(src[:8])) src = src[8:] - s.ShmRss = uint64(usermem.ByteOrder.Uint64(src[:8])) + s.ShmMin = uint64(usermem.ByteOrder.Uint64(src[:8])) src = src[8:] - s.ShmSwp = uint64(usermem.ByteOrder.Uint64(src[:8])) + s.ShmMni = uint64(usermem.ByteOrder.Uint64(src[:8])) src = src[8:] - s.SwapAttempts = uint64(usermem.ByteOrder.Uint64(src[:8])) + s.ShmSeg = uint64(usermem.ByteOrder.Uint64(src[:8])) src = src[8:] - s.SwapSuccesses = uint64(usermem.ByteOrder.Uint64(src[:8])) + s.ShmAll = uint64(usermem.ByteOrder.Uint64(src[:8])) src = src[8:] } // Packed implements marshal.Marshallable.Packed. //go:nosplit -func (s *ShmInfo) Packed() bool { +func (s *ShmParams) Packed() bool { return true } // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. -func (s *ShmInfo) MarshalUnsafe(dst []byte) { +func (s *ShmParams) MarshalUnsafe(dst []byte) { safecopy.CopyIn(dst, unsafe.Pointer(s)) } // UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. -func (s *ShmInfo) UnmarshalUnsafe(src []byte) { +func (s *ShmParams) 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) { +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)) @@ -7565,13 +7615,13 @@ func (s *ShmInfo) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) // CopyOut implements marshal.Marshallable.CopyOut. //go:nosplit -func (s *ShmInfo) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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 *ShmInfo) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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)) @@ -7587,7 +7637,7 @@ func (s *ShmInfo) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) } // WriteTo implements io.WriterTo.WriteTo. -func (s *ShmInfo) WriteTo(writer io.Writer) (int64, error) { +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)) @@ -7603,98 +7653,66 @@ func (s *ShmInfo) WriteTo(writer io.Writer) (int64, error) { } // SizeBytes implements marshal.Marshallable.SizeBytes. -func (s *ShmidDS) SizeBytes() int { - return 40 + - (*IPCPerm)(nil).SizeBytes() + - (*TimeT)(nil).SizeBytes() + - (*TimeT)(nil).SizeBytes() + - (*TimeT)(nil).SizeBytes() +func (s *ShmInfo) SizeBytes() int { + return 44 + + 1*4 } // 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)) +func (s *ShmInfo) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.UsedIDs)) dst = dst[4:] - usermem.ByteOrder.PutUint64(dst[:8], uint64(s.ShmNattach)) + // 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.Unused4)) + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.ShmRss)) dst = dst[8:] - usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Unused5)) + 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 *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])) +func (s *ShmInfo) UnmarshalBytes(src []byte) { + s.UsedIDs = int32(usermem.ByteOrder.Uint32(src[:4])) src = src[4:] - s.ShmNattach = uint64(usermem.ByteOrder.Uint64(src[:8])) + // 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.Unused4 = uint64(usermem.ByteOrder.Uint64(src[:8])) + s.ShmRss = uint64(usermem.ByteOrder.Uint64(src[:8])) src = src[8:] - s.Unused5 = uint64(usermem.ByteOrder.Uint64(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 *ShmidDS) Packed() bool { - return s.ShmAtime.Packed() && s.ShmCtime.Packed() && s.ShmDtime.Packed() && s.ShmPerm.Packed() +func (s *ShmInfo) Packed() bool { + return true } // 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) - } +func (s *ShmInfo) MarshalUnsafe(dst []byte) { + safecopy.CopyIn(dst, unsafe.Pointer(s)) } // 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) - } +func (s *ShmInfo) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(s), 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. - } - +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)) @@ -7711,23 +7729,13 @@ func (s *ShmidDS) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) // CopyOut implements marshal.Marshallable.CopyOut. //go:nosplit -func (s *ShmidDS) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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 *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 - } - +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)) @@ -7743,15 +7751,7 @@ func (s *ShmidDS) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) } // 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 - } - +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)) @@ -8201,6 +8201,144 @@ func (i *InetAddr) WriteTo(w io.Writer) (int64, error) { } // 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. func (s *SockAddrInet6) SizeBytes() int { return 12 + 1*16 @@ -8311,6 +8449,219 @@ func (s *SockAddrInet6) WriteTo(writer io.Writer) (int64, error) { } // 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. +//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. func (s *SockAddrUnix) SizeBytes() int { return 2 + 1*UnixPathMax @@ -8409,6 +8760,99 @@ func (s *SockAddrUnix) WriteTo(writer io.Writer) (int64, error) { } // 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 } @@ -8678,546 +9122,281 @@ func (t *TCPInfo) WriteTo(writer io.Writer) (int64, error) { } // SizeBytes implements marshal.Marshallable.SizeBytes. -func (s *SockAddrInet) SizeBytes() int { - return 4 + - (*InetAddr)(nil).SizeBytes() + - 1*8 +func (c *ControlMessageCredentials) SizeBytes() int { + return 12 } // 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):] +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 (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):] +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 (s *SockAddrInet) Packed() bool { - return s.Addr.Packed() +func (c *ControlMessageCredentials) Packed() bool { + return true } // 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) - } +func (c *ControlMessageCredentials) MarshalUnsafe(dst []byte) { + safecopy.CopyIn(dst, unsafe.Pointer(c)) } // 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) - } +func (c *ControlMessageCredentials) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(c), 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. - } - +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(s))) - hdr.Len = s.SizeBytes() - hdr.Cap = s.SizeBytes() + 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 s + // Since we bypassed the compiler's escape analysis, indicate that c // must live until the use above. - runtime.KeepAlive(s) // escapes: replaced by intrinsic. + runtime.KeepAlive(c) // 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()) +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 (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 - } - +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(s))) - hdr.Len = s.SizeBytes() - hdr.Cap = s.SizeBytes() + 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 s + // Since we bypassed the compiler's escape analysis, indicate that c // must live until the use above. - runtime.KeepAlive(s) // escapes: replaced by intrinsic. + runtime.KeepAlive(c) // 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 - } - +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(s))) - hdr.Len = s.SizeBytes() - hdr.Cap = s.SizeBytes() + 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 s + // Since we bypassed the compiler's escape analysis, indicate that c // must live until the use above. - runtime.KeepAlive(s) // escapes: replaced by intrinsic. + runtime.KeepAlive(c) // escapes: replaced by intrinsic. return int64(length), err } // SizeBytes implements marshal.Marshallable.SizeBytes. -//go:nosplit -func (i *Inet6Addr) SizeBytes() int { - return 1 * 16 +func (ts *Timespec) SizeBytes() int { + return 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:] - } +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 (i *Inet6Addr) UnmarshalBytes(src []byte) { - for idx := 0; idx < 16; idx++ { - i[idx] = src[0] - src = src[1:] - } +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 (i *Inet6Addr) Packed() bool { - // Array newtypes are always packed. +func (ts *Timespec) Packed() bool { return true } // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. -func (i *Inet6Addr) MarshalUnsafe(dst []byte) { - safecopy.CopyIn(dst, unsafe.Pointer(i)) +func (ts *Timespec) MarshalUnsafe(dst []byte) { + safecopy.CopyIn(dst, unsafe.Pointer(ts)) } // UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. -func (i *Inet6Addr) UnmarshalUnsafe(src []byte) { - safecopy.CopyOut(unsafe.Pointer(i), src) +func (ts *Timespec) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(ts), src) } // CopyOutN implements marshal.Marshallable.CopyOutN. //go:nosplit -func (i *Inet6Addr) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) { +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(i))) - hdr.Len = i.SizeBytes() - hdr.Cap = i.SizeBytes() + 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 i + // Since we bypassed the compiler's escape analysis, indicate that ts // must live until the use above. - runtime.KeepAlive(i) // escapes: replaced by intrinsic. + runtime.KeepAlive(ts) // 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()) +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 (i *Inet6Addr) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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(i))) - hdr.Len = i.SizeBytes() - hdr.Cap = i.SizeBytes() + 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 i + // Since we bypassed the compiler's escape analysis, indicate that ts // must live until the use above. - runtime.KeepAlive(i) // escapes: replaced by intrinsic. + runtime.KeepAlive(ts) // escapes: replaced by intrinsic. return length, err } // WriteTo implements io.WriterTo.WriteTo. -func (i *Inet6Addr) WriteTo(w io.Writer) (int64, error) { +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(i))) - hdr.Len = i.SizeBytes() - hdr.Cap = i.SizeBytes() + hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(ts))) + hdr.Len = ts.SizeBytes() + hdr.Cap = ts.SizeBytes() - length, err := w.Write(buf) - // Since we bypassed the compiler's escape analysis, indicate that i + length, err := writer.Write(buf) + // Since we bypassed the compiler's escape analysis, indicate that ts // must live until the use above. - runtime.KeepAlive(i) // escapes: replaced by intrinsic. + runtime.KeepAlive(ts) // 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:] +// 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 } -} - -// 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 -} + size := (*Timespec)(nil).SizeBytes() -// 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()) -} + ptr := unsafe.Pointer(&dst) + val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) -// 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() + hdr.Data = uintptr(val) + hdr.Len = size * count + hdr.Cap = size * count - length, err := cc.CopyInBytes(addr, buf) // escapes: okay. - // Since we bypassed the compiler's escape analysis, indicate that s + 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(s) // escapes: replaced by intrinsic. + runtime.KeepAlive(dst) // 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 (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 -} +// 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() -// 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()) -} + ptr := unsafe.Pointer(&src) + val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) -// 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() + hdr.Data = uintptr(val) + hdr.Len = size * count + hdr.Cap = size * count - length, err := cc.CopyInBytes(addr, buf) // escapes: okay. - // Since we bypassed the compiler's escape analysis, indicate that l + 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(l) // escapes: replaced by intrinsic. + runtime.KeepAlive(src) // 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 (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) -} +// 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() -// 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() + ptr := unsafe.Pointer(&src) + val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) - length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay. - // Since we bypassed the compiler's escape analysis, indicate that c + 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(c) // escapes: replaced by intrinsic. + runtime.KeepAlive(src) // 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()) -} +// 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() -// 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() + ptr := unsafe.Pointer(&dst) + val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) - length, err := cc.CopyInBytes(addr, buf) // escapes: okay. - // Since we bypassed the compiler's escape analysis, indicate that c + 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(c) // escapes: replaced by intrinsic. + runtime.KeepAlive(dst) // escapes: replaced by intrinsic. return length, err } -// WriteTo implements io.WriterTo.WriteTo. -func (c *ControlMessageCredentials) WriteTo(writer io.Writer) (int64, error) { - // Construct a slice backed by dst's underlying memory. - var buf []byte - hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) - hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(c))) - hdr.Len = c.SizeBytes() - hdr.Cap = c.SizeBytes() - - length, err := writer.Write(buf) - // Since we bypassed the compiler's escape analysis, indicate that c - // must live until the use above. - runtime.KeepAlive(c) // escapes: replaced by intrinsic. - return int64(length), err -} - // SizeBytes implements marshal.Marshallable.SizeBytes. func (tv *Timeval) SizeBytes() int { return 16 @@ -9528,142 +9707,99 @@ func (i *ItimerVal) WriteTo(writer io.Writer) (int64, error) { } // SizeBytes implements marshal.Marshallable.SizeBytes. -func (t *Tms) SizeBytes() int { - return 0 + - (*ClockT)(nil).SizeBytes() + - (*ClockT)(nil).SizeBytes() + - (*ClockT)(nil).SizeBytes() + - (*ClockT)(nil).SizeBytes() +func (sxts *StatxTimestamp) SizeBytes() int { + return 16 } // 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():] +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 (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():] +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 (t *Tms) Packed() bool { - return t.CSTime.Packed() && t.CUTime.Packed() && t.STime.Packed() && t.UTime.Packed() +func (sxts *StatxTimestamp) Packed() bool { + return true } // 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) - } +func (sxts *StatxTimestamp) MarshalUnsafe(dst []byte) { + safecopy.CopyIn(dst, unsafe.Pointer(sxts)) } // 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) - } +func (sxts *StatxTimestamp) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(sxts), 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. - } - +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(t))) - hdr.Len = t.SizeBytes() - hdr.Cap = t.SizeBytes() + 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 t + // Since we bypassed the compiler's escape analysis, indicate that sxts // must live until the use above. - runtime.KeepAlive(t) // escapes: replaced by intrinsic. + runtime.KeepAlive(sxts) // 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()) +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 (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 - } - +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(t))) - hdr.Len = t.SizeBytes() - hdr.Cap = t.SizeBytes() + 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 t + // Since we bypassed the compiler's escape analysis, indicate that sxts // must live until the use above. - runtime.KeepAlive(t) // escapes: replaced by intrinsic. + runtime.KeepAlive(sxts) // 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 - } - +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(t))) - hdr.Len = t.SizeBytes() - hdr.Cap = t.SizeBytes() + 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 t + // Since we bypassed the compiler's escape analysis, indicate that sxts // must live until the use above. - runtime.KeepAlive(t) // escapes: replaced by intrinsic. + runtime.KeepAlive(sxts) // escapes: replaced by intrinsic. return int64(length), err } @@ -9761,311 +9897,91 @@ func (u *Utime) WriteTo(writer io.Writer) (int64, error) { } // 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 (i *Itimerspec) SizeBytes() int { - return 0 + - (*Timespec)(nil).SizeBytes() + - (*Timespec)(nil).SizeBytes() +func (t *TimeT) SizeBytes() int { + return 8 } // 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():] +func (t *TimeT) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(*t)) } // 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():] +func (t *TimeT) UnmarshalBytes(src []byte) { + *t = TimeT(int64(usermem.ByteOrder.Uint64(src[:8]))) } // Packed implements marshal.Marshallable.Packed. //go:nosplit -func (i *Itimerspec) Packed() bool { - return i.Interval.Packed() && i.Value.Packed() +func (t *TimeT) Packed() bool { + // Scalar newtypes are always packed. + return true } // 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) - } +func (t *TimeT) MarshalUnsafe(dst []byte) { + safecopy.CopyIn(dst, unsafe.Pointer(t)) } // 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) - } +func (t *TimeT) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(t), 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. - } - +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(i))) - hdr.Len = i.SizeBytes() - hdr.Cap = i.SizeBytes() + 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 i + // Since we bypassed the compiler's escape analysis, indicate that t // must live until the use above. - runtime.KeepAlive(i) // escapes: replaced by intrinsic. + runtime.KeepAlive(t) // 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()) +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 (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 - } - +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(i))) - hdr.Len = i.SizeBytes() - hdr.Cap = i.SizeBytes() + 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 i + // Since we bypassed the compiler's escape analysis, indicate that t // must live until the use above. - runtime.KeepAlive(i) // escapes: replaced by intrinsic. + runtime.KeepAlive(t) // 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 - } - +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(i))) - hdr.Len = i.SizeBytes() - hdr.Cap = i.SizeBytes() + 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 i + length, err := w.Write(buf) + // Since we bypassed the compiler's escape analysis, indicate that t // must live until the use above. - runtime.KeepAlive(i) // escapes: replaced by intrinsic. + runtime.KeepAlive(t) // escapes: replaced by intrinsic. return int64(length), err } @@ -10159,41 +10075,74 @@ func (c *ClockT) WriteTo(w io.Writer) (int64, error) { } // SizeBytes implements marshal.Marshallable.SizeBytes. -//go:nosplit -func (t *TimerID) SizeBytes() int { - return 4 +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 *TimerID) MarshalBytes(dst []byte) { - usermem.ByteOrder.PutUint32(dst[:4], uint32(*t)) +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 *TimerID) UnmarshalBytes(src []byte) { - *t = TimerID(int32(usermem.ByteOrder.Uint32(src[:4]))) +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 *TimerID) Packed() bool { - // Scalar newtypes are always packed. - return true +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 *TimerID) MarshalUnsafe(dst []byte) { - safecopy.CopyIn(dst, unsafe.Pointer(t)) +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 *TimerID) UnmarshalUnsafe(src []byte) { - safecopy.CopyOut(unsafe.Pointer(t), src) +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 *TimerID) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) { +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)) @@ -10210,13 +10159,23 @@ func (t *TimerID) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) // CopyOut implements marshal.Marshallable.CopyOut. //go:nosplit -func (t *TimerID) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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 *TimerID) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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)) @@ -10232,7 +10191,15 @@ func (t *TimerID) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) } // WriteTo implements io.WriterTo.WriteTo. -func (t *TimerID) WriteTo(w io.Writer) (int64, error) { +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)) @@ -10240,7 +10207,7 @@ func (t *TimerID) WriteTo(w io.Writer) (int64, error) { hdr.Len = t.SizeBytes() hdr.Cap = t.SizeBytes() - length, err := w.Write(buf) + 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. @@ -10248,138 +10215,41 @@ func (t *TimerID) WriteTo(w io.Writer) (int64, error) { } // 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 *TimeT) SizeBytes() int { - return 8 +func (t *TimerID) SizeBytes() int { + return 4 } // MarshalBytes implements marshal.Marshallable.MarshalBytes. -func (t *TimeT) MarshalBytes(dst []byte) { - usermem.ByteOrder.PutUint64(dst[:8], uint64(*t)) +func (t *TimerID) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint32(dst[:4], uint32(*t)) } // UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. -func (t *TimeT) UnmarshalBytes(src []byte) { - *t = TimeT(int64(usermem.ByteOrder.Uint64(src[:8]))) +func (t *TimerID) UnmarshalBytes(src []byte) { + *t = TimerID(int32(usermem.ByteOrder.Uint32(src[:4]))) } // Packed implements marshal.Marshallable.Packed. //go:nosplit -func (t *TimeT) Packed() bool { +func (t *TimerID) Packed() bool { // Scalar newtypes are always packed. return true } // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. -func (t *TimeT) MarshalUnsafe(dst []byte) { +func (t *TimerID) MarshalUnsafe(dst []byte) { safecopy.CopyIn(dst, unsafe.Pointer(t)) } // UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. -func (t *TimeT) UnmarshalUnsafe(src []byte) { +func (t *TimerID) 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) { +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)) @@ -10396,13 +10266,13 @@ func (t *TimeT) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) ( // CopyOut implements marshal.Marshallable.CopyOut. //go:nosplit -func (t *TimeT) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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 *TimeT) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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)) @@ -10418,7 +10288,7 @@ func (t *TimeT) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { } // WriteTo implements io.WriterTo.WriteTo. -func (t *TimeT) WriteTo(w io.Writer) (int64, error) { +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)) @@ -10434,100 +10304,132 @@ func (t *TimeT) WriteTo(w io.Writer) (int64, error) { } // SizeBytes implements marshal.Marshallable.SizeBytes. -func (w *WindowSize) SizeBytes() int { - return 4 + - 1*4 +func (i *Itimerspec) SizeBytes() int { + return 0 + + (*Timespec)(nil).SizeBytes() + + (*Timespec)(nil).SizeBytes() } // 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):] +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 (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):] +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 (w *WindowSize) Packed() bool { - return true +func (i *Itimerspec) Packed() bool { + return i.Interval.Packed() && i.Value.Packed() } // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. -func (w *WindowSize) MarshalUnsafe(dst []byte) { - safecopy.CopyIn(dst, unsafe.Pointer(w)) +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 (w *WindowSize) UnmarshalUnsafe(src []byte) { - safecopy.CopyOut(unsafe.Pointer(w), src) +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 (w *WindowSize) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) { +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(w))) - hdr.Len = w.SizeBytes() - hdr.Cap = w.SizeBytes() + 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 w + // Since we bypassed the compiler's escape analysis, indicate that i // must live until the use above. - runtime.KeepAlive(w) // escapes: replaced by intrinsic. + runtime.KeepAlive(i) // 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()) +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 (w *WindowSize) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +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(w))) - hdr.Len = w.SizeBytes() - hdr.Cap = w.SizeBytes() + 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 w + // Since we bypassed the compiler's escape analysis, indicate that i // must live until the use above. - runtime.KeepAlive(w) // escapes: replaced by intrinsic. + runtime.KeepAlive(i) // escapes: replaced by intrinsic. return length, err } // WriteTo implements io.WriterTo.WriteTo. -func (w *WindowSize) WriteTo(writer io.Writer) (int64, error) { +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(w))) - hdr.Len = w.SizeBytes() - hdr.Cap = w.SizeBytes() + 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 w + // Since we bypassed the compiler's escape analysis, indicate that i // must live until the use above. - runtime.KeepAlive(w) // escapes: replaced by intrinsic. + runtime.KeepAlive(i) // escapes: replaced by intrinsic. return int64(length), err } @@ -10747,6 +10649,104 @@ func (t *Termios) WriteTo(writer io.Writer) (int64, error) { } // 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) + diff --git a/pkg/sentry/arch/arch_amd64_abi_autogen_unsafe.go b/pkg/sentry/arch/arch_amd64_abi_autogen_unsafe.go index cdbc88377..466bf889a 100644 --- a/pkg/sentry/arch/arch_amd64_abi_autogen_unsafe.go +++ b/pkg/sentry/arch/arch_amd64_abi_autogen_unsafe.go @@ -25,149 +25,6 @@ var _ marshal.Marshallable = (*UContext64)(nil) var _ marshal.Marshallable = (*linux.SignalSet)(nil) // SizeBytes implements marshal.Marshallable.SizeBytes. -func (u *UContext64) SizeBytes() int { - return 16 + - (*SignalStack)(nil).SizeBytes() + - (*SignalContext64)(nil).SizeBytes() + - (*linux.SignalSet)(nil).SizeBytes() -} - -// MarshalBytes implements marshal.Marshallable.MarshalBytes. -func (u *UContext64) MarshalBytes(dst []byte) { - usermem.ByteOrder.PutUint64(dst[:8], uint64(u.Flags)) - dst = dst[8:] - usermem.ByteOrder.PutUint64(dst[:8], uint64(u.Link)) - dst = dst[8:] - u.Stack.MarshalBytes(dst[:u.Stack.SizeBytes()]) - dst = dst[u.Stack.SizeBytes():] - u.MContext.MarshalBytes(dst[:u.MContext.SizeBytes()]) - dst = dst[u.MContext.SizeBytes():] - u.Sigset.MarshalBytes(dst[:u.Sigset.SizeBytes()]) - dst = dst[u.Sigset.SizeBytes():] -} - -// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. -func (u *UContext64) UnmarshalBytes(src []byte) { - u.Flags = uint64(usermem.ByteOrder.Uint64(src[:8])) - src = src[8:] - u.Link = uint64(usermem.ByteOrder.Uint64(src[:8])) - src = src[8:] - u.Stack.UnmarshalBytes(src[:u.Stack.SizeBytes()]) - src = src[u.Stack.SizeBytes():] - u.MContext.UnmarshalBytes(src[:u.MContext.SizeBytes()]) - src = src[u.MContext.SizeBytes():] - u.Sigset.UnmarshalBytes(src[:u.Sigset.SizeBytes()]) - src = src[u.Sigset.SizeBytes():] -} - -// Packed implements marshal.Marshallable.Packed. -//go:nosplit -func (u *UContext64) Packed() bool { - return u.MContext.Packed() && u.Sigset.Packed() && u.Stack.Packed() -} - -// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. -func (u *UContext64) MarshalUnsafe(dst []byte) { - if u.MContext.Packed() && u.Sigset.Packed() && u.Stack.Packed() { - safecopy.CopyIn(dst, unsafe.Pointer(u)) - } else { - // Type UContext64 doesn't have a packed layout in memory, fallback to MarshalBytes. - u.MarshalBytes(dst) - } -} - -// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. -func (u *UContext64) UnmarshalUnsafe(src []byte) { - if u.MContext.Packed() && u.Sigset.Packed() && u.Stack.Packed() { - safecopy.CopyOut(unsafe.Pointer(u), src) - } else { - // Type UContext64 doesn't have a packed layout in memory, fallback to UnmarshalBytes. - u.UnmarshalBytes(src) - } -} - -// CopyOutN implements marshal.Marshallable.CopyOutN. -//go:nosplit -func (u *UContext64) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) { - if !u.MContext.Packed() && u.Sigset.Packed() && u.Stack.Packed() { - // Type UContext64 doesn't have a packed layout in memory, fall back to MarshalBytes. - buf := cc.CopyScratchBuffer(u.SizeBytes()) // escapes: okay. - u.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(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 *UContext64) 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 *UContext64) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { - if !u.MContext.Packed() && u.Sigset.Packed() && u.Stack.Packed() { - // Type UContext64 doesn't have a packed layout in memory, fall back to UnmarshalBytes. - buf := cc.CopyScratchBuffer(u.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. - u.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(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 *UContext64) WriteTo(writer io.Writer) (int64, error) { - if !u.MContext.Packed() && u.Sigset.Packed() && u.Stack.Packed() { - // Type UContext64 doesn't have a packed layout in memory, fall back to MarshalBytes. - buf := make([]byte, u.SizeBytes()) - u.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(u))) - hdr.Len = u.SizeBytes() - hdr.Cap = u.SizeBytes() - - length, err := writer.Write(buf) - // Since we bypassed the compiler's escape analysis, indicate that u - // must live until the use above. - runtime.KeepAlive(u) // escapes: replaced by intrinsic. - return int64(length), err -} - -// SizeBytes implements marshal.Marshallable.SizeBytes. func (s *SignalContext64) SizeBytes() int { return 184 + (*linux.SignalSet)(nil).SizeBytes() + @@ -405,3 +262,146 @@ func (s *SignalContext64) WriteTo(writer io.Writer) (int64, error) { return int64(length), err } +// SizeBytes implements marshal.Marshallable.SizeBytes. +func (u *UContext64) SizeBytes() int { + return 16 + + (*SignalStack)(nil).SizeBytes() + + (*SignalContext64)(nil).SizeBytes() + + (*linux.SignalSet)(nil).SizeBytes() +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (u *UContext64) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(u.Flags)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(u.Link)) + dst = dst[8:] + u.Stack.MarshalBytes(dst[:u.Stack.SizeBytes()]) + dst = dst[u.Stack.SizeBytes():] + u.MContext.MarshalBytes(dst[:u.MContext.SizeBytes()]) + dst = dst[u.MContext.SizeBytes():] + u.Sigset.MarshalBytes(dst[:u.Sigset.SizeBytes()]) + dst = dst[u.Sigset.SizeBytes():] +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (u *UContext64) UnmarshalBytes(src []byte) { + u.Flags = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + u.Link = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + u.Stack.UnmarshalBytes(src[:u.Stack.SizeBytes()]) + src = src[u.Stack.SizeBytes():] + u.MContext.UnmarshalBytes(src[:u.MContext.SizeBytes()]) + src = src[u.MContext.SizeBytes():] + u.Sigset.UnmarshalBytes(src[:u.Sigset.SizeBytes()]) + src = src[u.Sigset.SizeBytes():] +} + +// Packed implements marshal.Marshallable.Packed. +//go:nosplit +func (u *UContext64) Packed() bool { + return u.MContext.Packed() && u.Sigset.Packed() && u.Stack.Packed() +} + +// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. +func (u *UContext64) MarshalUnsafe(dst []byte) { + if u.MContext.Packed() && u.Sigset.Packed() && u.Stack.Packed() { + safecopy.CopyIn(dst, unsafe.Pointer(u)) + } else { + // Type UContext64 doesn't have a packed layout in memory, fallback to MarshalBytes. + u.MarshalBytes(dst) + } +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (u *UContext64) UnmarshalUnsafe(src []byte) { + if u.MContext.Packed() && u.Sigset.Packed() && u.Stack.Packed() { + safecopy.CopyOut(unsafe.Pointer(u), src) + } else { + // Type UContext64 doesn't have a packed layout in memory, fallback to UnmarshalBytes. + u.UnmarshalBytes(src) + } +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (u *UContext64) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) { + if !u.MContext.Packed() && u.Sigset.Packed() && u.Stack.Packed() { + // Type UContext64 doesn't have a packed layout in memory, fall back to MarshalBytes. + buf := cc.CopyScratchBuffer(u.SizeBytes()) // escapes: okay. + u.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(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 *UContext64) 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 *UContext64) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { + if !u.MContext.Packed() && u.Sigset.Packed() && u.Stack.Packed() { + // Type UContext64 doesn't have a packed layout in memory, fall back to UnmarshalBytes. + buf := cc.CopyScratchBuffer(u.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. + u.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(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 *UContext64) WriteTo(writer io.Writer) (int64, error) { + if !u.MContext.Packed() && u.Sigset.Packed() && u.Stack.Packed() { + // Type UContext64 doesn't have a packed layout in memory, fall back to MarshalBytes. + buf := make([]byte, u.SizeBytes()) + u.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(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/sentry/arch/arch_arm64_abi_autogen_unsafe.go b/pkg/sentry/arch/arch_arm64_abi_autogen_unsafe.go index aac25375e..95a73e115 100644 --- a/pkg/sentry/arch/arch_arm64_abi_autogen_unsafe.go +++ b/pkg/sentry/arch/arch_arm64_abi_autogen_unsafe.go @@ -27,6 +27,167 @@ var _ marshal.Marshallable = (*aarch64Ctx)(nil) var _ marshal.Marshallable = (*linux.SignalSet)(nil) // SizeBytes implements marshal.Marshallable.SizeBytes. +func (u *UContext64) SizeBytes() int { + return 16 + + (*SignalStack)(nil).SizeBytes() + + (*linux.SignalSet)(nil).SizeBytes() + + 1*120 + + 1*8 + + (*SignalContext64)(nil).SizeBytes() +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (u *UContext64) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(u.Flags)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(u.Link)) + dst = dst[8:] + u.Stack.MarshalBytes(dst[:u.Stack.SizeBytes()]) + dst = dst[u.Stack.SizeBytes():] + u.Sigset.MarshalBytes(dst[:u.Sigset.SizeBytes()]) + dst = dst[u.Sigset.SizeBytes():] + for idx := 0; idx < 120; idx++ { + dst[0] = byte(u._pad[idx]) + dst = dst[1:] + } + for idx := 0; idx < 8; idx++ { + dst[0] = byte(u._pad2[idx]) + dst = dst[1:] + } + u.MContext.MarshalBytes(dst[:u.MContext.SizeBytes()]) + dst = dst[u.MContext.SizeBytes():] +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (u *UContext64) UnmarshalBytes(src []byte) { + u.Flags = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + u.Link = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + u.Stack.UnmarshalBytes(src[:u.Stack.SizeBytes()]) + src = src[u.Stack.SizeBytes():] + u.Sigset.UnmarshalBytes(src[:u.Sigset.SizeBytes()]) + src = src[u.Sigset.SizeBytes():] + for idx := 0; idx < 120; idx++ { + u._pad[idx] = src[0] + src = src[1:] + } + for idx := 0; idx < 8; idx++ { + u._pad2[idx] = src[0] + src = src[1:] + } + u.MContext.UnmarshalBytes(src[:u.MContext.SizeBytes()]) + src = src[u.MContext.SizeBytes():] +} + +// Packed implements marshal.Marshallable.Packed. +//go:nosplit +func (u *UContext64) Packed() bool { + return u.MContext.Packed() && u.Sigset.Packed() && u.Stack.Packed() +} + +// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. +func (u *UContext64) MarshalUnsafe(dst []byte) { + if u.MContext.Packed() && u.Sigset.Packed() && u.Stack.Packed() { + safecopy.CopyIn(dst, unsafe.Pointer(u)) + } else { + // Type UContext64 doesn't have a packed layout in memory, fallback to MarshalBytes. + u.MarshalBytes(dst) + } +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (u *UContext64) UnmarshalUnsafe(src []byte) { + if u.MContext.Packed() && u.Sigset.Packed() && u.Stack.Packed() { + safecopy.CopyOut(unsafe.Pointer(u), src) + } else { + // Type UContext64 doesn't have a packed layout in memory, fallback to UnmarshalBytes. + u.UnmarshalBytes(src) + } +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (u *UContext64) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) { + if !u.MContext.Packed() && u.Sigset.Packed() && u.Stack.Packed() { + // Type UContext64 doesn't have a packed layout in memory, fall back to MarshalBytes. + buf := cc.CopyScratchBuffer(u.SizeBytes()) // escapes: okay. + u.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(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 *UContext64) 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 *UContext64) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { + if !u.MContext.Packed() && u.Sigset.Packed() && u.Stack.Packed() { + // Type UContext64 doesn't have a packed layout in memory, fall back to UnmarshalBytes. + buf := cc.CopyScratchBuffer(u.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. + u.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(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 *UContext64) WriteTo(writer io.Writer) (int64, error) { + if !u.MContext.Packed() && u.Sigset.Packed() && u.Stack.Packed() { + // Type UContext64 doesn't have a packed layout in memory, fall back to MarshalBytes. + buf := make([]byte, u.SizeBytes()) + u.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(u))) + hdr.Len = u.SizeBytes() + hdr.Cap = u.SizeBytes() + + length, err := writer.Write(buf) + // Since we bypassed the compiler's escape analysis, indicate that u + // must live until the use above. + runtime.KeepAlive(u) // escapes: replaced by intrinsic. + return int64(length), err +} + +// SizeBytes implements marshal.Marshallable.SizeBytes. func (s *SignalContext64) SizeBytes() int { return 32 + 8*31 + @@ -429,164 +590,3 @@ func (f *FpsimdContext) WriteTo(writer io.Writer) (int64, error) { return int64(length), err } -// SizeBytes implements marshal.Marshallable.SizeBytes. -func (u *UContext64) SizeBytes() int { - return 16 + - (*SignalStack)(nil).SizeBytes() + - (*linux.SignalSet)(nil).SizeBytes() + - 1*120 + - 1*8 + - (*SignalContext64)(nil).SizeBytes() -} - -// MarshalBytes implements marshal.Marshallable.MarshalBytes. -func (u *UContext64) MarshalBytes(dst []byte) { - usermem.ByteOrder.PutUint64(dst[:8], uint64(u.Flags)) - dst = dst[8:] - usermem.ByteOrder.PutUint64(dst[:8], uint64(u.Link)) - dst = dst[8:] - u.Stack.MarshalBytes(dst[:u.Stack.SizeBytes()]) - dst = dst[u.Stack.SizeBytes():] - u.Sigset.MarshalBytes(dst[:u.Sigset.SizeBytes()]) - dst = dst[u.Sigset.SizeBytes():] - for idx := 0; idx < 120; idx++ { - dst[0] = byte(u._pad[idx]) - dst = dst[1:] - } - for idx := 0; idx < 8; idx++ { - dst[0] = byte(u._pad2[idx]) - dst = dst[1:] - } - u.MContext.MarshalBytes(dst[:u.MContext.SizeBytes()]) - dst = dst[u.MContext.SizeBytes():] -} - -// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. -func (u *UContext64) UnmarshalBytes(src []byte) { - u.Flags = uint64(usermem.ByteOrder.Uint64(src[:8])) - src = src[8:] - u.Link = uint64(usermem.ByteOrder.Uint64(src[:8])) - src = src[8:] - u.Stack.UnmarshalBytes(src[:u.Stack.SizeBytes()]) - src = src[u.Stack.SizeBytes():] - u.Sigset.UnmarshalBytes(src[:u.Sigset.SizeBytes()]) - src = src[u.Sigset.SizeBytes():] - for idx := 0; idx < 120; idx++ { - u._pad[idx] = src[0] - src = src[1:] - } - for idx := 0; idx < 8; idx++ { - u._pad2[idx] = src[0] - src = src[1:] - } - u.MContext.UnmarshalBytes(src[:u.MContext.SizeBytes()]) - src = src[u.MContext.SizeBytes():] -} - -// Packed implements marshal.Marshallable.Packed. -//go:nosplit -func (u *UContext64) Packed() bool { - return u.MContext.Packed() && u.Sigset.Packed() && u.Stack.Packed() -} - -// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. -func (u *UContext64) MarshalUnsafe(dst []byte) { - if u.MContext.Packed() && u.Sigset.Packed() && u.Stack.Packed() { - safecopy.CopyIn(dst, unsafe.Pointer(u)) - } else { - // Type UContext64 doesn't have a packed layout in memory, fallback to MarshalBytes. - u.MarshalBytes(dst) - } -} - -// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. -func (u *UContext64) UnmarshalUnsafe(src []byte) { - if u.MContext.Packed() && u.Sigset.Packed() && u.Stack.Packed() { - safecopy.CopyOut(unsafe.Pointer(u), src) - } else { - // Type UContext64 doesn't have a packed layout in memory, fallback to UnmarshalBytes. - u.UnmarshalBytes(src) - } -} - -// CopyOutN implements marshal.Marshallable.CopyOutN. -//go:nosplit -func (u *UContext64) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) { - if !u.MContext.Packed() && u.Sigset.Packed() && u.Stack.Packed() { - // Type UContext64 doesn't have a packed layout in memory, fall back to MarshalBytes. - buf := cc.CopyScratchBuffer(u.SizeBytes()) // escapes: okay. - u.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(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 *UContext64) 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 *UContext64) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { - if !u.MContext.Packed() && u.Sigset.Packed() && u.Stack.Packed() { - // Type UContext64 doesn't have a packed layout in memory, fall back to UnmarshalBytes. - buf := cc.CopyScratchBuffer(u.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. - u.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(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 *UContext64) WriteTo(writer io.Writer) (int64, error) { - if !u.MContext.Packed() && u.Sigset.Packed() && u.Stack.Packed() { - // Type UContext64 doesn't have a packed layout in memory, fall back to MarshalBytes. - buf := make([]byte, u.SizeBytes()) - u.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(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/sentry/syscalls/linux/linux_abi_autogen_unsafe.go b/pkg/sentry/syscalls/linux/linux_abi_autogen_unsafe.go index 862c286d9..956643160 100644 --- a/pkg/sentry/syscalls/linux/linux_abi_autogen_unsafe.go +++ b/pkg/sentry/syscalls/linux/linux_abi_autogen_unsafe.go @@ -23,156 +23,156 @@ var _ marshal.Marshallable = (*rlimit64)(nil) var _ marshal.Marshallable = (*userSockFprog)(nil) // SizeBytes implements marshal.Marshallable.SizeBytes. -func (d *direntHdr) SizeBytes() int { - return 1 + - (*oldDirentHdr)(nil).SizeBytes() +func (o *oldDirentHdr) SizeBytes() int { + return 18 } // MarshalBytes implements marshal.Marshallable.MarshalBytes. -func (d *direntHdr) MarshalBytes(dst []byte) { - d.OldHdr.MarshalBytes(dst[:d.OldHdr.SizeBytes()]) - dst = dst[d.OldHdr.SizeBytes():] - dst[0] = byte(d.Typ) - dst = dst[1:] +func (o *oldDirentHdr) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(o.Ino)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(o.Off)) + dst = dst[8:] + usermem.ByteOrder.PutUint16(dst[:2], uint16(o.Reclen)) + dst = dst[2:] } // UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. -func (d *direntHdr) UnmarshalBytes(src []byte) { - d.OldHdr.UnmarshalBytes(src[:d.OldHdr.SizeBytes()]) - src = src[d.OldHdr.SizeBytes():] - d.Typ = uint8(src[0]) - src = src[1:] +func (o *oldDirentHdr) UnmarshalBytes(src []byte) { + o.Ino = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + o.Off = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + o.Reclen = uint16(usermem.ByteOrder.Uint16(src[:2])) + src = src[2:] } // Packed implements marshal.Marshallable.Packed. //go:nosplit -func (d *direntHdr) Packed() bool { +func (o *oldDirentHdr) Packed() bool { return false } // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. -func (d *direntHdr) MarshalUnsafe(dst []byte) { - // Type direntHdr doesn't have a packed layout in memory, fallback to MarshalBytes. - d.MarshalBytes(dst) +func (o *oldDirentHdr) MarshalUnsafe(dst []byte) { + // Type oldDirentHdr doesn't have a packed layout in memory, fallback to MarshalBytes. + o.MarshalBytes(dst) } // UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. -func (d *direntHdr) UnmarshalUnsafe(src []byte) { - // Type direntHdr doesn't have a packed layout in memory, fallback to UnmarshalBytes. - d.UnmarshalBytes(src) +func (o *oldDirentHdr) UnmarshalUnsafe(src []byte) { + // Type oldDirentHdr doesn't have a packed layout in memory, fallback to UnmarshalBytes. + o.UnmarshalBytes(src) } // CopyOutN implements marshal.Marshallable.CopyOutN. //go:nosplit -func (d *direntHdr) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) { - // Type direntHdr doesn't have a packed layout in memory, fall back to MarshalBytes. - buf := cc.CopyScratchBuffer(d.SizeBytes()) // escapes: okay. - d.MarshalBytes(buf) // escapes: fallback. +func (o *oldDirentHdr) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) { + // Type oldDirentHdr doesn't have a packed layout in memory, fall back to MarshalBytes. + buf := cc.CopyScratchBuffer(o.SizeBytes()) // escapes: okay. + o.MarshalBytes(buf) // escapes: fallback. return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay. } // CopyOut implements marshal.Marshallable.CopyOut. //go:nosplit -func (d *direntHdr) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { - return d.CopyOutN(cc, addr, d.SizeBytes()) +func (o *oldDirentHdr) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { + return o.CopyOutN(cc, addr, o.SizeBytes()) } // CopyIn implements marshal.Marshallable.CopyIn. //go:nosplit -func (d *direntHdr) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { - // Type direntHdr doesn't have a packed layout in memory, fall back to UnmarshalBytes. - buf := cc.CopyScratchBuffer(d.SizeBytes()) // escapes: okay. +func (o *oldDirentHdr) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { + // Type oldDirentHdr doesn't have a packed layout in memory, fall back to UnmarshalBytes. + buf := cc.CopyScratchBuffer(o.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. - d.UnmarshalBytes(buf) // escapes: fallback. + o.UnmarshalBytes(buf) // escapes: fallback. return length, err } // WriteTo implements io.WriterTo.WriteTo. -func (d *direntHdr) WriteTo(writer io.Writer) (int64, error) { - // Type direntHdr doesn't have a packed layout in memory, fall back to MarshalBytes. - buf := make([]byte, d.SizeBytes()) - d.MarshalBytes(buf) +func (o *oldDirentHdr) WriteTo(writer io.Writer) (int64, error) { + // Type oldDirentHdr doesn't have a packed layout in memory, fall back to MarshalBytes. + buf := make([]byte, o.SizeBytes()) + o.MarshalBytes(buf) length, err := writer.Write(buf) return int64(length), err } // SizeBytes implements marshal.Marshallable.SizeBytes. -func (o *oldDirentHdr) SizeBytes() int { - return 18 +func (d *direntHdr) SizeBytes() int { + return 1 + + (*oldDirentHdr)(nil).SizeBytes() } // MarshalBytes implements marshal.Marshallable.MarshalBytes. -func (o *oldDirentHdr) MarshalBytes(dst []byte) { - usermem.ByteOrder.PutUint64(dst[:8], uint64(o.Ino)) - dst = dst[8:] - usermem.ByteOrder.PutUint64(dst[:8], uint64(o.Off)) - dst = dst[8:] - usermem.ByteOrder.PutUint16(dst[:2], uint16(o.Reclen)) - dst = dst[2:] +func (d *direntHdr) MarshalBytes(dst []byte) { + d.OldHdr.MarshalBytes(dst[:d.OldHdr.SizeBytes()]) + dst = dst[d.OldHdr.SizeBytes():] + dst[0] = byte(d.Typ) + dst = dst[1:] } // UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. -func (o *oldDirentHdr) UnmarshalBytes(src []byte) { - o.Ino = uint64(usermem.ByteOrder.Uint64(src[:8])) - src = src[8:] - o.Off = uint64(usermem.ByteOrder.Uint64(src[:8])) - src = src[8:] - o.Reclen = uint16(usermem.ByteOrder.Uint16(src[:2])) - src = src[2:] +func (d *direntHdr) UnmarshalBytes(src []byte) { + d.OldHdr.UnmarshalBytes(src[:d.OldHdr.SizeBytes()]) + src = src[d.OldHdr.SizeBytes():] + d.Typ = uint8(src[0]) + src = src[1:] } // Packed implements marshal.Marshallable.Packed. //go:nosplit -func (o *oldDirentHdr) Packed() bool { +func (d *direntHdr) Packed() bool { return false } // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. -func (o *oldDirentHdr) MarshalUnsafe(dst []byte) { - // Type oldDirentHdr doesn't have a packed layout in memory, fallback to MarshalBytes. - o.MarshalBytes(dst) +func (d *direntHdr) MarshalUnsafe(dst []byte) { + // Type direntHdr doesn't have a packed layout in memory, fallback to MarshalBytes. + d.MarshalBytes(dst) } // UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. -func (o *oldDirentHdr) UnmarshalUnsafe(src []byte) { - // Type oldDirentHdr doesn't have a packed layout in memory, fallback to UnmarshalBytes. - o.UnmarshalBytes(src) +func (d *direntHdr) UnmarshalUnsafe(src []byte) { + // Type direntHdr doesn't have a packed layout in memory, fallback to UnmarshalBytes. + d.UnmarshalBytes(src) } // CopyOutN implements marshal.Marshallable.CopyOutN. //go:nosplit -func (o *oldDirentHdr) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) { - // Type oldDirentHdr doesn't have a packed layout in memory, fall back to MarshalBytes. - buf := cc.CopyScratchBuffer(o.SizeBytes()) // escapes: okay. - o.MarshalBytes(buf) // escapes: fallback. +func (d *direntHdr) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) { + // Type direntHdr doesn't have a packed layout in memory, fall back to MarshalBytes. + buf := cc.CopyScratchBuffer(d.SizeBytes()) // escapes: okay. + d.MarshalBytes(buf) // escapes: fallback. return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay. } // CopyOut implements marshal.Marshallable.CopyOut. //go:nosplit -func (o *oldDirentHdr) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { - return o.CopyOutN(cc, addr, o.SizeBytes()) +func (d *direntHdr) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { + return d.CopyOutN(cc, addr, d.SizeBytes()) } // CopyIn implements marshal.Marshallable.CopyIn. //go:nosplit -func (o *oldDirentHdr) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { - // Type oldDirentHdr doesn't have a packed layout in memory, fall back to UnmarshalBytes. - buf := cc.CopyScratchBuffer(o.SizeBytes()) // escapes: okay. +func (d *direntHdr) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { + // Type direntHdr doesn't have a packed layout in memory, fall back to UnmarshalBytes. + buf := cc.CopyScratchBuffer(d.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. - o.UnmarshalBytes(buf) // escapes: fallback. + d.UnmarshalBytes(buf) // escapes: fallback. return length, err } // WriteTo implements io.WriterTo.WriteTo. -func (o *oldDirentHdr) WriteTo(writer io.Writer) (int64, error) { - // Type oldDirentHdr doesn't have a packed layout in memory, fall back to MarshalBytes. - buf := make([]byte, o.SizeBytes()) - o.MarshalBytes(buf) +func (d *direntHdr) WriteTo(writer io.Writer) (int64, error) { + // Type direntHdr doesn't have a packed layout in memory, fall back to MarshalBytes. + buf := make([]byte, d.SizeBytes()) + d.MarshalBytes(buf) length, err := writer.Write(buf) return int64(length), err } |