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-rw-r--r--pkg/sentry/arch/arch_abi_autogen_unsafe.go176
-rw-r--r--pkg/sentry/arch/arch_arm64_abi_autogen_unsafe.go470
2 files changed, 323 insertions, 323 deletions
diff --git a/pkg/sentry/arch/arch_abi_autogen_unsafe.go b/pkg/sentry/arch/arch_abi_autogen_unsafe.go
index 2ddabb10b..36082680f 100644
--- a/pkg/sentry/arch/arch_abi_autogen_unsafe.go
+++ b/pkg/sentry/arch/arch_abi_autogen_unsafe.go
@@ -23,53 +23,71 @@ var _ marshal.Marshallable = (*SignalStack)(nil)
var _ marshal.Marshallable = (*linux.SignalSet)(nil)
// SizeBytes implements marshal.Marshallable.SizeBytes.
-func (s *SignalStack) SizeBytes() int {
- return 24
+func (s *SignalAct) SizeBytes() int {
+ return 24 +
+ (*linux.SignalSet)(nil).SizeBytes()
}
// MarshalBytes implements marshal.Marshallable.MarshalBytes.
-func (s *SignalStack) MarshalBytes(dst []byte) {
- usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Addr))
+func (s *SignalAct) MarshalBytes(dst []byte) {
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Handler))
dst = dst[8:]
- usermem.ByteOrder.PutUint32(dst[:4], uint32(s.Flags))
- dst = dst[4:]
- // Padding: dst[:sizeof(uint32)] ~= uint32(0)
- dst = dst[4:]
- usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Size))
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Flags))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Restorer))
dst = dst[8:]
+ s.Mask.MarshalBytes(dst[:s.Mask.SizeBytes()])
+ dst = dst[s.Mask.SizeBytes():]
}
// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
-func (s *SignalStack) UnmarshalBytes(src []byte) {
- s.Addr = uint64(usermem.ByteOrder.Uint64(src[:8]))
+func (s *SignalAct) UnmarshalBytes(src []byte) {
+ s.Handler = uint64(usermem.ByteOrder.Uint64(src[:8]))
src = src[8:]
- s.Flags = uint32(usermem.ByteOrder.Uint32(src[:4]))
- src = src[4:]
- // Padding: var _ uint32 ~= src[:sizeof(uint32)]
- src = src[4:]
- s.Size = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ s.Flags = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ s.Restorer = uint64(usermem.ByteOrder.Uint64(src[:8]))
src = src[8:]
+ s.Mask.UnmarshalBytes(src[:s.Mask.SizeBytes()])
+ src = src[s.Mask.SizeBytes():]
}
// Packed implements marshal.Marshallable.Packed.
//go:nosplit
-func (s *SignalStack) Packed() bool {
- return true
+func (s *SignalAct) Packed() bool {
+ return s.Mask.Packed()
}
// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
-func (s *SignalStack) MarshalUnsafe(dst []byte) {
- safecopy.CopyIn(dst, unsafe.Pointer(s))
+func (s *SignalAct) MarshalUnsafe(dst []byte) {
+ if s.Mask.Packed() {
+ safecopy.CopyIn(dst, unsafe.Pointer(s))
+ } else {
+ // Type SignalAct doesn't have a packed layout in memory, fallback to MarshalBytes.
+ s.MarshalBytes(dst)
+ }
}
// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
-func (s *SignalStack) UnmarshalUnsafe(src []byte) {
- safecopy.CopyOut(unsafe.Pointer(s), src)
+func (s *SignalAct) UnmarshalUnsafe(src []byte) {
+ if s.Mask.Packed() {
+ safecopy.CopyOut(unsafe.Pointer(s), src)
+ } else {
+ // Type SignalAct doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+ s.UnmarshalBytes(src)
+ }
}
// CopyOutN implements marshal.Marshallable.CopyOutN.
//go:nosplit
-func (s *SignalStack) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) {
+func (s *SignalAct) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) {
+ if !s.Mask.Packed() {
+ // Type SignalAct 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))
@@ -86,13 +104,23 @@ func (s *SignalStack) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit
// CopyOut implements marshal.Marshallable.CopyOut.
//go:nosplit
-func (s *SignalStack) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) {
+func (s *SignalAct) 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 *SignalStack) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) {
+func (s *SignalAct) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) {
+ if !s.Mask.Packed() {
+ // Type SignalAct 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))
@@ -108,7 +136,15 @@ func (s *SignalStack) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, er
}
// WriteTo implements io.WriterTo.WriteTo.
-func (s *SignalStack) WriteTo(writer io.Writer) (int64, error) {
+func (s *SignalAct) WriteTo(writer io.Writer) (int64, error) {
+ if !s.Mask.Packed() {
+ // Type SignalAct 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))
@@ -234,71 +270,53 @@ func (s *SignalInfo) WriteTo(writer io.Writer) (int64, error) {
}
// SizeBytes implements marshal.Marshallable.SizeBytes.
-func (s *SignalAct) SizeBytes() int {
- return 24 +
- (*linux.SignalSet)(nil).SizeBytes()
+func (s *SignalStack) SizeBytes() int {
+ return 24
}
// MarshalBytes implements marshal.Marshallable.MarshalBytes.
-func (s *SignalAct) MarshalBytes(dst []byte) {
- usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Handler))
- dst = dst[8:]
- usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Flags))
+func (s *SignalStack) MarshalBytes(dst []byte) {
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Addr))
dst = dst[8:]
- usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Restorer))
+ usermem.ByteOrder.PutUint32(dst[:4], uint32(s.Flags))
+ dst = dst[4:]
+ // Padding: dst[:sizeof(uint32)] ~= uint32(0)
+ dst = dst[4:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Size))
dst = dst[8:]
- s.Mask.MarshalBytes(dst[:s.Mask.SizeBytes()])
- dst = dst[s.Mask.SizeBytes():]
}
// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
-func (s *SignalAct) UnmarshalBytes(src []byte) {
- s.Handler = uint64(usermem.ByteOrder.Uint64(src[:8]))
- src = src[8:]
- s.Flags = uint64(usermem.ByteOrder.Uint64(src[:8]))
+func (s *SignalStack) UnmarshalBytes(src []byte) {
+ s.Addr = uint64(usermem.ByteOrder.Uint64(src[:8]))
src = src[8:]
- s.Restorer = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ s.Flags = uint32(usermem.ByteOrder.Uint32(src[:4]))
+ src = src[4:]
+ // Padding: var _ uint32 ~= src[:sizeof(uint32)]
+ src = src[4:]
+ s.Size = uint64(usermem.ByteOrder.Uint64(src[:8]))
src = src[8:]
- s.Mask.UnmarshalBytes(src[:s.Mask.SizeBytes()])
- src = src[s.Mask.SizeBytes():]
}
// Packed implements marshal.Marshallable.Packed.
//go:nosplit
-func (s *SignalAct) Packed() bool {
- return s.Mask.Packed()
+func (s *SignalStack) Packed() bool {
+ return true
}
// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
-func (s *SignalAct) MarshalUnsafe(dst []byte) {
- if s.Mask.Packed() {
- safecopy.CopyIn(dst, unsafe.Pointer(s))
- } else {
- // Type SignalAct doesn't have a packed layout in memory, fallback to MarshalBytes.
- s.MarshalBytes(dst)
- }
+func (s *SignalStack) MarshalUnsafe(dst []byte) {
+ safecopy.CopyIn(dst, unsafe.Pointer(s))
}
// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
-func (s *SignalAct) UnmarshalUnsafe(src []byte) {
- if s.Mask.Packed() {
- safecopy.CopyOut(unsafe.Pointer(s), src)
- } else {
- // Type SignalAct doesn't have a packed layout in memory, fallback to UnmarshalBytes.
- s.UnmarshalBytes(src)
- }
+func (s *SignalStack) UnmarshalUnsafe(src []byte) {
+ safecopy.CopyOut(unsafe.Pointer(s), src)
}
// CopyOutN implements marshal.Marshallable.CopyOutN.
//go:nosplit
-func (s *SignalAct) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) {
- if !s.Mask.Packed() {
- // Type SignalAct 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 *SignalStack) 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))
@@ -315,23 +333,13 @@ func (s *SignalAct) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit in
// CopyOut implements marshal.Marshallable.CopyOut.
//go:nosplit
-func (s *SignalAct) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) {
+func (s *SignalStack) 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 *SignalAct) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) {
- if !s.Mask.Packed() {
- // Type SignalAct 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 *SignalStack) 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))
@@ -347,15 +355,7 @@ func (s *SignalAct) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, erro
}
// WriteTo implements io.WriterTo.WriteTo.
-func (s *SignalAct) WriteTo(writer io.Writer) (int64, error) {
- if !s.Mask.Packed() {
- // Type SignalAct 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 *SignalStack) WriteTo(writer io.Writer) (int64, error) {
// Construct a slice backed by dst's underlying memory.
var buf []byte
hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
diff --git a/pkg/sentry/arch/arch_arm64_abi_autogen_unsafe.go b/pkg/sentry/arch/arch_arm64_abi_autogen_unsafe.go
index aac25375e..fd02c41c3 100644
--- a/pkg/sentry/arch/arch_arm64_abi_autogen_unsafe.go
+++ b/pkg/sentry/arch/arch_arm64_abi_autogen_unsafe.go
@@ -27,6 +27,148 @@ 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 (s *SignalContext64) SizeBytes() int {
return 32 +
8*31 +
@@ -195,241 +337,6 @@ func (s *SignalContext64) WriteTo(writer io.Writer) (int64, error) {
}
// SizeBytes implements marshal.Marshallable.SizeBytes.
-func (a *aarch64Ctx) SizeBytes() int {
- return 8
-}
-
-// MarshalBytes implements marshal.Marshallable.MarshalBytes.
-func (a *aarch64Ctx) MarshalBytes(dst []byte) {
- usermem.ByteOrder.PutUint32(dst[:4], uint32(a.Magic))
- dst = dst[4:]
- usermem.ByteOrder.PutUint32(dst[:4], uint32(a.Size))
- dst = dst[4:]
-}
-
-// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
-func (a *aarch64Ctx) UnmarshalBytes(src []byte) {
- a.Magic = uint32(usermem.ByteOrder.Uint32(src[:4]))
- src = src[4:]
- a.Size = uint32(usermem.ByteOrder.Uint32(src[:4]))
- src = src[4:]
-}
-
-// Packed implements marshal.Marshallable.Packed.
-//go:nosplit
-func (a *aarch64Ctx) Packed() bool {
- return true
-}
-
-// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
-func (a *aarch64Ctx) MarshalUnsafe(dst []byte) {
- safecopy.CopyIn(dst, unsafe.Pointer(a))
-}
-
-// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
-func (a *aarch64Ctx) UnmarshalUnsafe(src []byte) {
- safecopy.CopyOut(unsafe.Pointer(a), src)
-}
-
-// CopyOutN implements marshal.Marshallable.CopyOutN.
-//go:nosplit
-func (a *aarch64Ctx) 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(a)))
- hdr.Len = a.SizeBytes()
- hdr.Cap = a.SizeBytes()
-
- length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
- // Since we bypassed the compiler's escape analysis, indicate that a
- // must live until the use above.
- runtime.KeepAlive(a) // escapes: replaced by intrinsic.
- return length, err
-}
-
-// CopyOut implements marshal.Marshallable.CopyOut.
-//go:nosplit
-func (a *aarch64Ctx) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) {
- return a.CopyOutN(cc, addr, a.SizeBytes())
-}
-
-// CopyIn implements marshal.Marshallable.CopyIn.
-//go:nosplit
-func (a *aarch64Ctx) 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(a)))
- hdr.Len = a.SizeBytes()
- hdr.Cap = a.SizeBytes()
-
- length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
- // Since we bypassed the compiler's escape analysis, indicate that a
- // must live until the use above.
- runtime.KeepAlive(a) // escapes: replaced by intrinsic.
- return length, err
-}
-
-// WriteTo implements io.WriterTo.WriteTo.
-func (a *aarch64Ctx) 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(a)))
- hdr.Len = a.SizeBytes()
- hdr.Cap = a.SizeBytes()
-
- length, err := writer.Write(buf)
- // Since we bypassed the compiler's escape analysis, indicate that a
- // must live until the use above.
- runtime.KeepAlive(a) // escapes: replaced by intrinsic.
- 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
-}
-
-// SizeBytes implements marshal.Marshallable.SizeBytes.
func (u *UContext64) SizeBytes() int {
return 16 +
(*SignalStack)(nil).SizeBytes() +
@@ -590,3 +497,96 @@ func (u *UContext64) WriteTo(writer io.Writer) (int64, error) {
return int64(length), err
}
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (a *aarch64Ctx) SizeBytes() int {
+ return 8
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (a *aarch64Ctx) MarshalBytes(dst []byte) {
+ usermem.ByteOrder.PutUint32(dst[:4], uint32(a.Magic))
+ dst = dst[4:]
+ usermem.ByteOrder.PutUint32(dst[:4], uint32(a.Size))
+ dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (a *aarch64Ctx) UnmarshalBytes(src []byte) {
+ a.Magic = uint32(usermem.ByteOrder.Uint32(src[:4]))
+ src = src[4:]
+ a.Size = uint32(usermem.ByteOrder.Uint32(src[:4]))
+ src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (a *aarch64Ctx) Packed() bool {
+ return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (a *aarch64Ctx) MarshalUnsafe(dst []byte) {
+ safecopy.CopyIn(dst, unsafe.Pointer(a))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (a *aarch64Ctx) UnmarshalUnsafe(src []byte) {
+ safecopy.CopyOut(unsafe.Pointer(a), src)
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (a *aarch64Ctx) 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(a)))
+ hdr.Len = a.SizeBytes()
+ hdr.Cap = a.SizeBytes()
+
+ length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+ // Since we bypassed the compiler's escape analysis, indicate that a
+ // must live until the use above.
+ runtime.KeepAlive(a) // escapes: replaced by intrinsic.
+ return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (a *aarch64Ctx) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) {
+ return a.CopyOutN(cc, addr, a.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (a *aarch64Ctx) 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(a)))
+ hdr.Len = a.SizeBytes()
+ hdr.Cap = a.SizeBytes()
+
+ length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+ // Since we bypassed the compiler's escape analysis, indicate that a
+ // must live until the use above.
+ runtime.KeepAlive(a) // escapes: replaced by intrinsic.
+ return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (a *aarch64Ctx) 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(a)))
+ hdr.Len = a.SizeBytes()
+ hdr.Cap = a.SizeBytes()
+
+ length, err := writer.Write(buf)
+ // Since we bypassed the compiler's escape analysis, indicate that a
+ // must live until the use above.
+ runtime.KeepAlive(a) // escapes: replaced by intrinsic.
+ return int64(length), err
+}
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-05 03:29:40 +0000