diff options
Diffstat (limited to 'pkg/sentry/syscalls/linux')
-rw-r--r-- | pkg/sentry/syscalls/linux/vfs2/vfs2_abi_autogen_unsafe.go | 200 |
1 files changed, 100 insertions, 100 deletions
diff --git a/pkg/sentry/syscalls/linux/vfs2/vfs2_abi_autogen_unsafe.go b/pkg/sentry/syscalls/linux/vfs2/vfs2_abi_autogen_unsafe.go index ccd56285a..516ea1842 100644 --- a/pkg/sentry/syscalls/linux/vfs2/vfs2_abi_autogen_unsafe.go +++ b/pkg/sentry/syscalls/linux/vfs2/vfs2_abi_autogen_unsafe.go @@ -112,49 +112,26 @@ func (s *sigSetWithSize) WriteTo(writer io.Writer) (int64, error) { } // SizeBytes implements marshal.Marshallable.SizeBytes. -func (m *MessageHeader64) SizeBytes() int { - return 56 +func (m *multipleMessageHeader64) SizeBytes() int { + return 8 + + (*MessageHeader64)(nil).SizeBytes() } // MarshalBytes implements marshal.Marshallable.MarshalBytes. -func (m *MessageHeader64) MarshalBytes(dst []byte) { - usermem.ByteOrder.PutUint64(dst[:8], uint64(m.Name)) - dst = dst[8:] - usermem.ByteOrder.PutUint32(dst[:4], uint32(m.NameLen)) - dst = dst[4:] - // Padding: dst[:sizeof(uint32)] ~= uint32(0) - dst = dst[4:] - usermem.ByteOrder.PutUint64(dst[:8], uint64(m.Iov)) - dst = dst[8:] - usermem.ByteOrder.PutUint64(dst[:8], uint64(m.IovLen)) - dst = dst[8:] - usermem.ByteOrder.PutUint64(dst[:8], uint64(m.Control)) - dst = dst[8:] - usermem.ByteOrder.PutUint64(dst[:8], uint64(m.ControlLen)) - dst = dst[8:] - usermem.ByteOrder.PutUint32(dst[:4], uint32(m.Flags)) +func (m *multipleMessageHeader64) MarshalBytes(dst []byte) { + m.msgHdr.MarshalBytes(dst[:m.msgHdr.SizeBytes()]) + dst = dst[m.msgHdr.SizeBytes():] + usermem.ByteOrder.PutUint32(dst[:4], uint32(m.msgLen)) dst = dst[4:] // Padding: dst[:sizeof(int32)] ~= int32(0) dst = dst[4:] } // UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. -func (m *MessageHeader64) UnmarshalBytes(src []byte) { - m.Name = uint64(usermem.ByteOrder.Uint64(src[:8])) - src = src[8:] - m.NameLen = uint32(usermem.ByteOrder.Uint32(src[:4])) - src = src[4:] - // Padding: var _ uint32 ~= src[:sizeof(uint32)] - src = src[4:] - m.Iov = uint64(usermem.ByteOrder.Uint64(src[:8])) - src = src[8:] - m.IovLen = uint64(usermem.ByteOrder.Uint64(src[:8])) - src = src[8:] - m.Control = uint64(usermem.ByteOrder.Uint64(src[:8])) - src = src[8:] - m.ControlLen = uint64(usermem.ByteOrder.Uint64(src[:8])) - src = src[8:] - m.Flags = int32(usermem.ByteOrder.Uint32(src[:4])) +func (m *multipleMessageHeader64) UnmarshalBytes(src []byte) { + m.msgHdr.UnmarshalBytes(src[:m.msgHdr.SizeBytes()]) + src = src[m.msgHdr.SizeBytes():] + m.msgLen = uint32(usermem.ByteOrder.Uint32(src[:4])) src = src[4:] // Padding: var _ int32 ~= src[:sizeof(int32)] src = src[4:] @@ -162,23 +139,40 @@ func (m *MessageHeader64) UnmarshalBytes(src []byte) { // Packed implements marshal.Marshallable.Packed. //go:nosplit -func (m *MessageHeader64) Packed() bool { - return true +func (m *multipleMessageHeader64) Packed() bool { + return m.msgHdr.Packed() } // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. -func (m *MessageHeader64) MarshalUnsafe(dst []byte) { - safecopy.CopyIn(dst, unsafe.Pointer(m)) +func (m *multipleMessageHeader64) MarshalUnsafe(dst []byte) { + if m.msgHdr.Packed() { + safecopy.CopyIn(dst, unsafe.Pointer(m)) + } else { + // Type multipleMessageHeader64 doesn't have a packed layout in memory, fallback to MarshalBytes. + m.MarshalBytes(dst) + } } // UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. -func (m *MessageHeader64) UnmarshalUnsafe(src []byte) { - safecopy.CopyOut(unsafe.Pointer(m), src) +func (m *multipleMessageHeader64) UnmarshalUnsafe(src []byte) { + if m.msgHdr.Packed() { + safecopy.CopyOut(unsafe.Pointer(m), src) + } else { + // Type multipleMessageHeader64 doesn't have a packed layout in memory, fallback to UnmarshalBytes. + m.UnmarshalBytes(src) + } } // CopyOutN implements marshal.Marshallable.CopyOutN. //go:nosplit -func (m *MessageHeader64) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) { +func (m *multipleMessageHeader64) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) { + if !m.msgHdr.Packed() { + // Type multipleMessageHeader64 doesn't have a packed layout in memory, fall back to MarshalBytes. + buf := cc.CopyScratchBuffer(m.SizeBytes()) // escapes: okay. + m.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)) @@ -195,13 +189,23 @@ func (m *MessageHeader64) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, li // CopyOut implements marshal.Marshallable.CopyOut. //go:nosplit -func (m *MessageHeader64) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +func (m *multipleMessageHeader64) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { return m.CopyOutN(cc, addr, m.SizeBytes()) } // CopyIn implements marshal.Marshallable.CopyIn. //go:nosplit -func (m *MessageHeader64) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +func (m *multipleMessageHeader64) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { + if !m.msgHdr.Packed() { + // Type multipleMessageHeader64 doesn't have a packed layout in memory, fall back to UnmarshalBytes. + buf := cc.CopyScratchBuffer(m.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. + m.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)) @@ -217,7 +221,15 @@ func (m *MessageHeader64) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int } // WriteTo implements io.WriterTo.WriteTo. -func (m *MessageHeader64) WriteTo(writer io.Writer) (int64, error) { +func (m *multipleMessageHeader64) WriteTo(writer io.Writer) (int64, error) { + if !m.msgHdr.Packed() { + // Type multipleMessageHeader64 doesn't have a packed layout in memory, fall back to MarshalBytes. + buf := make([]byte, m.SizeBytes()) + m.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)) @@ -233,26 +245,49 @@ func (m *MessageHeader64) WriteTo(writer io.Writer) (int64, error) { } // SizeBytes implements marshal.Marshallable.SizeBytes. -func (m *multipleMessageHeader64) SizeBytes() int { - return 8 + - (*MessageHeader64)(nil).SizeBytes() +func (m *MessageHeader64) SizeBytes() int { + return 56 } // MarshalBytes implements marshal.Marshallable.MarshalBytes. -func (m *multipleMessageHeader64) MarshalBytes(dst []byte) { - m.msgHdr.MarshalBytes(dst[:m.msgHdr.SizeBytes()]) - dst = dst[m.msgHdr.SizeBytes():] - usermem.ByteOrder.PutUint32(dst[:4], uint32(m.msgLen)) +func (m *MessageHeader64) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(m.Name)) + dst = dst[8:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(m.NameLen)) + dst = dst[4:] + // Padding: dst[:sizeof(uint32)] ~= uint32(0) + dst = dst[4:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(m.Iov)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(m.IovLen)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(m.Control)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(m.ControlLen)) + dst = dst[8:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(m.Flags)) dst = dst[4:] // Padding: dst[:sizeof(int32)] ~= int32(0) dst = dst[4:] } // UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. -func (m *multipleMessageHeader64) UnmarshalBytes(src []byte) { - m.msgHdr.UnmarshalBytes(src[:m.msgHdr.SizeBytes()]) - src = src[m.msgHdr.SizeBytes():] - m.msgLen = uint32(usermem.ByteOrder.Uint32(src[:4])) +func (m *MessageHeader64) UnmarshalBytes(src []byte) { + m.Name = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + m.NameLen = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + // Padding: var _ uint32 ~= src[:sizeof(uint32)] + src = src[4:] + m.Iov = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + m.IovLen = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + m.Control = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + m.ControlLen = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + m.Flags = int32(usermem.ByteOrder.Uint32(src[:4])) src = src[4:] // Padding: var _ int32 ~= src[:sizeof(int32)] src = src[4:] @@ -260,40 +295,23 @@ func (m *multipleMessageHeader64) UnmarshalBytes(src []byte) { // Packed implements marshal.Marshallable.Packed. //go:nosplit -func (m *multipleMessageHeader64) Packed() bool { - return m.msgHdr.Packed() +func (m *MessageHeader64) Packed() bool { + return true } // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. -func (m *multipleMessageHeader64) MarshalUnsafe(dst []byte) { - if m.msgHdr.Packed() { - safecopy.CopyIn(dst, unsafe.Pointer(m)) - } else { - // Type multipleMessageHeader64 doesn't have a packed layout in memory, fallback to MarshalBytes. - m.MarshalBytes(dst) - } +func (m *MessageHeader64) MarshalUnsafe(dst []byte) { + safecopy.CopyIn(dst, unsafe.Pointer(m)) } // UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. -func (m *multipleMessageHeader64) UnmarshalUnsafe(src []byte) { - if m.msgHdr.Packed() { - safecopy.CopyOut(unsafe.Pointer(m), src) - } else { - // Type multipleMessageHeader64 doesn't have a packed layout in memory, fallback to UnmarshalBytes. - m.UnmarshalBytes(src) - } +func (m *MessageHeader64) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(m), src) } // CopyOutN implements marshal.Marshallable.CopyOutN. //go:nosplit -func (m *multipleMessageHeader64) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) { - if !m.msgHdr.Packed() { - // Type multipleMessageHeader64 doesn't have a packed layout in memory, fall back to MarshalBytes. - buf := cc.CopyScratchBuffer(m.SizeBytes()) // escapes: okay. - m.MarshalBytes(buf) // escapes: fallback. - return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay. - } - +func (m *MessageHeader64) 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)) @@ -310,23 +328,13 @@ func (m *multipleMessageHeader64) CopyOutN(cc marshal.CopyContext, addr usermem. // CopyOut implements marshal.Marshallable.CopyOut. //go:nosplit -func (m *multipleMessageHeader64) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { +func (m *MessageHeader64) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { return m.CopyOutN(cc, addr, m.SizeBytes()) } // CopyIn implements marshal.Marshallable.CopyIn. //go:nosplit -func (m *multipleMessageHeader64) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { - if !m.msgHdr.Packed() { - // Type multipleMessageHeader64 doesn't have a packed layout in memory, fall back to UnmarshalBytes. - buf := cc.CopyScratchBuffer(m.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. - m.UnmarshalBytes(buf) // escapes: fallback. - return length, err - } - +func (m *MessageHeader64) 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)) @@ -342,15 +350,7 @@ func (m *multipleMessageHeader64) CopyIn(cc marshal.CopyContext, addr usermem.Ad } // WriteTo implements io.WriterTo.WriteTo. -func (m *multipleMessageHeader64) WriteTo(writer io.Writer) (int64, error) { - if !m.msgHdr.Packed() { - // Type multipleMessageHeader64 doesn't have a packed layout in memory, fall back to MarshalBytes. - buf := make([]byte, m.SizeBytes()) - m.MarshalBytes(buf) - length, err := writer.Write(buf) - return int64(length), err - } - +func (m *MessageHeader64) WriteTo(writer io.Writer) (int64, error) { // Construct a slice backed by dst's underlying memory. var buf []byte hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) |