diff options
author | gVisor bot <gvisor-bot@google.com> | 2020-12-29 21:05:03 +0000 |
---|---|---|
committer | gVisor bot <gvisor-bot@google.com> | 2020-12-29 21:05:03 +0000 |
commit | 691e097efcc99b0a1ff292abc32363cedab2f312 (patch) | |
tree | 28c72660c07bba4ed2fcc75e587884440f9f4d4c /pkg/sentry/arch | |
parent | 5c21c7c3bd1552f4d5f87ef588fc213e2a2278ef (diff) | |
parent | 91c05c609e4dbdc9790037e2dea3e55e784e4da5 (diff) |
Merge release-20201208.0-90-g91c05c609 (automated)
Diffstat (limited to 'pkg/sentry/arch')
-rw-r--r-- | pkg/sentry/arch/arch_arm64_abi_autogen_unsafe.go | 284 |
1 files changed, 142 insertions, 142 deletions
diff --git a/pkg/sentry/arch/arch_arm64_abi_autogen_unsafe.go b/pkg/sentry/arch/arch_arm64_abi_autogen_unsafe.go index 8e8049f48..95a73e115 100644 --- a/pkg/sentry/arch/arch_arm64_abi_autogen_unsafe.go +++ b/pkg/sentry/arch/arch_arm64_abi_autogen_unsafe.go @@ -27,148 +27,6 @@ var _ marshal.Marshallable = (*aarch64Ctx)(nil) var _ marshal.Marshallable = (*linux.SignalSet)(nil) // SizeBytes implements marshal.Marshallable.SizeBytes. -func (f *FpsimdContext) SizeBytes() int { - return 8 + - (*aarch64Ctx)(nil).SizeBytes() + - 8*64 -} - -// MarshalBytes implements marshal.Marshallable.MarshalBytes. -func (f *FpsimdContext) MarshalBytes(dst []byte) { - f.Head.MarshalBytes(dst[:f.Head.SizeBytes()]) - dst = dst[f.Head.SizeBytes():] - usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Fpsr)) - dst = dst[4:] - usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Fpcr)) - dst = dst[4:] - for idx := 0; idx < 64; idx++ { - usermem.ByteOrder.PutUint64(dst[:8], uint64(f.Vregs[idx])) - dst = dst[8:] - } -} - -// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. -func (f *FpsimdContext) UnmarshalBytes(src []byte) { - f.Head.UnmarshalBytes(src[:f.Head.SizeBytes()]) - src = src[f.Head.SizeBytes():] - f.Fpsr = uint32(usermem.ByteOrder.Uint32(src[:4])) - src = src[4:] - f.Fpcr = uint32(usermem.ByteOrder.Uint32(src[:4])) - src = src[4:] - for idx := 0; idx < 64; idx++ { - f.Vregs[idx] = uint64(usermem.ByteOrder.Uint64(src[:8])) - src = src[8:] - } -} - -// Packed implements marshal.Marshallable.Packed. -//go:nosplit -func (f *FpsimdContext) Packed() bool { - return f.Head.Packed() -} - -// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. -func (f *FpsimdContext) MarshalUnsafe(dst []byte) { - if f.Head.Packed() { - safecopy.CopyIn(dst, unsafe.Pointer(f)) - } else { - // Type FpsimdContext doesn't have a packed layout in memory, fallback to MarshalBytes. - f.MarshalBytes(dst) - } -} - -// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. -func (f *FpsimdContext) UnmarshalUnsafe(src []byte) { - if f.Head.Packed() { - safecopy.CopyOut(unsafe.Pointer(f), src) - } else { - // Type FpsimdContext doesn't have a packed layout in memory, fallback to UnmarshalBytes. - f.UnmarshalBytes(src) - } -} - -// CopyOutN implements marshal.Marshallable.CopyOutN. -//go:nosplit -func (f *FpsimdContext) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) { - if !f.Head.Packed() { - // Type FpsimdContext doesn't have a packed layout in memory, fall back to MarshalBytes. - buf := cc.CopyScratchBuffer(f.SizeBytes()) // escapes: okay. - f.MarshalBytes(buf) // escapes: fallback. - return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay. - } - - // Construct a slice backed by dst's underlying memory. - var buf []byte - hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) - hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f))) - hdr.Len = f.SizeBytes() - hdr.Cap = f.SizeBytes() - - length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay. - // Since we bypassed the compiler's escape analysis, indicate that f - // must live until the use above. - runtime.KeepAlive(f) // escapes: replaced by intrinsic. - return length, err -} - -// CopyOut implements marshal.Marshallable.CopyOut. -//go:nosplit -func (f *FpsimdContext) 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 *FpsimdContext) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { - if !f.Head.Packed() { - // Type FpsimdContext doesn't have a packed layout in memory, fall back to UnmarshalBytes. - buf := cc.CopyScratchBuffer(f.SizeBytes()) // escapes: okay. - length, err := cc.CopyInBytes(addr, buf) // escapes: okay. - // Unmarshal unconditionally. If we had a short copy-in, this results in a - // partially unmarshalled struct. - f.UnmarshalBytes(buf) // escapes: fallback. - return length, err - } - - // Construct a slice backed by dst's underlying memory. - var buf []byte - hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) - hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f))) - hdr.Len = f.SizeBytes() - hdr.Cap = f.SizeBytes() - - length, err := cc.CopyInBytes(addr, buf) // escapes: okay. - // Since we bypassed the compiler's escape analysis, indicate that f - // must live until the use above. - runtime.KeepAlive(f) // escapes: replaced by intrinsic. - return length, err -} - -// WriteTo implements io.WriterTo.WriteTo. -func (f *FpsimdContext) WriteTo(writer io.Writer) (int64, error) { - if !f.Head.Packed() { - // Type FpsimdContext doesn't have a packed layout in memory, fall back to MarshalBytes. - buf := make([]byte, f.SizeBytes()) - f.MarshalBytes(buf) - length, err := writer.Write(buf) - return int64(length), err - } - - // Construct a slice backed by dst's underlying memory. - var buf []byte - hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) - hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f))) - hdr.Len = f.SizeBytes() - hdr.Cap = f.SizeBytes() - - length, err := writer.Write(buf) - // Since we bypassed the compiler's escape analysis, indicate that f - // must live until the use above. - runtime.KeepAlive(f) // escapes: replaced by intrinsic. - return int64(length), err -} - -// SizeBytes implements marshal.Marshallable.SizeBytes. func (u *UContext64) SizeBytes() int { return 16 + (*SignalStack)(nil).SizeBytes() + @@ -590,3 +448,145 @@ func (a *aarch64Ctx) WriteTo(writer io.Writer) (int64, error) { return int64(length), err } +// SizeBytes implements marshal.Marshallable.SizeBytes. +func (f *FpsimdContext) SizeBytes() int { + return 8 + + (*aarch64Ctx)(nil).SizeBytes() + + 8*64 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (f *FpsimdContext) MarshalBytes(dst []byte) { + f.Head.MarshalBytes(dst[:f.Head.SizeBytes()]) + dst = dst[f.Head.SizeBytes():] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Fpsr)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(f.Fpcr)) + dst = dst[4:] + for idx := 0; idx < 64; idx++ { + usermem.ByteOrder.PutUint64(dst[:8], uint64(f.Vregs[idx])) + dst = dst[8:] + } +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (f *FpsimdContext) UnmarshalBytes(src []byte) { + f.Head.UnmarshalBytes(src[:f.Head.SizeBytes()]) + src = src[f.Head.SizeBytes():] + f.Fpsr = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + f.Fpcr = uint32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + for idx := 0; idx < 64; idx++ { + f.Vregs[idx] = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + } +} + +// Packed implements marshal.Marshallable.Packed. +//go:nosplit +func (f *FpsimdContext) Packed() bool { + return f.Head.Packed() +} + +// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. +func (f *FpsimdContext) MarshalUnsafe(dst []byte) { + if f.Head.Packed() { + safecopy.CopyIn(dst, unsafe.Pointer(f)) + } else { + // Type FpsimdContext doesn't have a packed layout in memory, fallback to MarshalBytes. + f.MarshalBytes(dst) + } +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (f *FpsimdContext) UnmarshalUnsafe(src []byte) { + if f.Head.Packed() { + safecopy.CopyOut(unsafe.Pointer(f), src) + } else { + // Type FpsimdContext doesn't have a packed layout in memory, fallback to UnmarshalBytes. + f.UnmarshalBytes(src) + } +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (f *FpsimdContext) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) { + if !f.Head.Packed() { + // Type FpsimdContext doesn't have a packed layout in memory, fall back to MarshalBytes. + buf := cc.CopyScratchBuffer(f.SizeBytes()) // escapes: okay. + f.MarshalBytes(buf) // escapes: fallback. + return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay. + } + + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f))) + hdr.Len = f.SizeBytes() + hdr.Cap = f.SizeBytes() + + length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay. + // Since we bypassed the compiler's escape analysis, indicate that f + // must live until the use above. + runtime.KeepAlive(f) // escapes: replaced by intrinsic. + return length, err +} + +// CopyOut implements marshal.Marshallable.CopyOut. +//go:nosplit +func (f *FpsimdContext) 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 *FpsimdContext) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { + if !f.Head.Packed() { + // Type FpsimdContext doesn't have a packed layout in memory, fall back to UnmarshalBytes. + buf := cc.CopyScratchBuffer(f.SizeBytes()) // escapes: okay. + length, err := cc.CopyInBytes(addr, buf) // escapes: okay. + // Unmarshal unconditionally. If we had a short copy-in, this results in a + // partially unmarshalled struct. + f.UnmarshalBytes(buf) // escapes: fallback. + return length, err + } + + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f))) + hdr.Len = f.SizeBytes() + hdr.Cap = f.SizeBytes() + + length, err := cc.CopyInBytes(addr, buf) // escapes: okay. + // Since we bypassed the compiler's escape analysis, indicate that f + // must live until the use above. + runtime.KeepAlive(f) // escapes: replaced by intrinsic. + return length, err +} + +// WriteTo implements io.WriterTo.WriteTo. +func (f *FpsimdContext) WriteTo(writer io.Writer) (int64, error) { + if !f.Head.Packed() { + // Type FpsimdContext doesn't have a packed layout in memory, fall back to MarshalBytes. + buf := make([]byte, f.SizeBytes()) + f.MarshalBytes(buf) + length, err := writer.Write(buf) + return int64(length), err + } + + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(f))) + hdr.Len = f.SizeBytes() + hdr.Cap = f.SizeBytes() + + length, err := writer.Write(buf) + // Since we bypassed the compiler's escape analysis, indicate that f + // must live until the use above. + runtime.KeepAlive(f) // escapes: replaced by intrinsic. + return int64(length), err +} + |