diff options
Diffstat (limited to 'pkg/sentry/arch')
| -rw-r--r-- | pkg/sentry/arch/BUILD | 50 | ||||
| -rw-r--r-- | pkg/sentry/arch/arch_aarch64_abi_autogen_unsafe.go | 9 | ||||
| -rw-r--r-- | pkg/sentry/arch/arch_aarch64_state_autogen.go | 72 | ||||
| -rw-r--r-- | pkg/sentry/arch/arch_abi_autogen_unsafe.go | 372 | ||||
| -rw-r--r-- | pkg/sentry/arch/arch_amd64_abi_autogen_unsafe.go | 407 | ||||
| -rw-r--r-- | pkg/sentry/arch/arch_amd64_state_autogen.go | 41 | ||||
| -rw-r--r-- | pkg/sentry/arch/arch_arm64_abi_autogen_unsafe.go | 592 | ||||
| -rw-r--r-- | pkg/sentry/arch/arch_arm64_state_autogen.go | 41 | ||||
| -rw-r--r-- | pkg/sentry/arch/arch_state_autogen.go | 174 | ||||
| -rw-r--r-- | pkg/sentry/arch/arch_unsafe_abi_autogen_unsafe.go | 7 | ||||
| -rw-r--r-- | pkg/sentry/arch/arch_unsafe_state_autogen.go | 3 | ||||
| -rw-r--r-- | pkg/sentry/arch/arch_x86_abi_autogen_unsafe.go | 10 | ||||
| -rw-r--r-- | pkg/sentry/arch/arch_x86_impl_abi_autogen_unsafe.go | 9 | ||||
| -rw-r--r-- | pkg/sentry/arch/arch_x86_impl_state_autogen.go | 41 | ||||
| -rw-r--r-- | pkg/sentry/arch/arch_x86_state_autogen.go | 37 | ||||
| -rw-r--r-- | pkg/sentry/arch/registers.proto | 93 | ||||
| -rw-r--r-- | pkg/sentry/arch/registers_go_proto/registers.pb.go | 706 |
17 files changed, 2521 insertions, 143 deletions
diff --git a/pkg/sentry/arch/BUILD b/pkg/sentry/arch/BUILD deleted file mode 100644 index 4af4d6e84..000000000 --- a/pkg/sentry/arch/BUILD +++ /dev/null @@ -1,50 +0,0 @@ -load("//tools:defs.bzl", "go_library", "proto_library") - -package(licenses = ["notice"]) - -go_library( - name = "arch", - srcs = [ - "aligned.go", - "arch.go", - "arch_aarch64.go", - "arch_amd64.go", - "arch_amd64.s", - "arch_arm64.go", - "arch_state_x86.go", - "arch_x86.go", - "arch_x86_impl.go", - "auxv.go", - "signal.go", - "signal_act.go", - "signal_amd64.go", - "signal_arm64.go", - "signal_info.go", - "signal_stack.go", - "stack.go", - "stack_unsafe.go", - "syscalls_amd64.go", - "syscalls_arm64.go", - ], - marshal = True, - visibility = ["//:sandbox"], - deps = [ - ":registers_go_proto", - "//pkg/abi/linux", - "//pkg/context", - "//pkg/cpuid", - "//pkg/log", - "//pkg/marshal", - "//pkg/marshal/primitive", - "//pkg/sentry/limits", - "//pkg/sync", - "//pkg/syserror", - "//pkg/usermem", - ], -) - -proto_library( - name = "registers", - srcs = ["registers.proto"], - visibility = ["//visibility:public"], -) diff --git a/pkg/sentry/arch/arch_aarch64_abi_autogen_unsafe.go b/pkg/sentry/arch/arch_aarch64_abi_autogen_unsafe.go new file mode 100644 index 000000000..f7a3597d4 --- /dev/null +++ b/pkg/sentry/arch/arch_aarch64_abi_autogen_unsafe.go @@ -0,0 +1,9 @@ +// Automatically generated marshal implementation. See tools/go_marshal. + +// +build arm64 + +package arch + +import ( +) + diff --git a/pkg/sentry/arch/arch_aarch64_state_autogen.go b/pkg/sentry/arch/arch_aarch64_state_autogen.go new file mode 100644 index 000000000..6b698f9ce --- /dev/null +++ b/pkg/sentry/arch/arch_aarch64_state_autogen.go @@ -0,0 +1,72 @@ +// automatically generated by stateify. + +// +build arm64 + +package arch + +import ( + "gvisor.dev/gvisor/pkg/state" +) + +func (x *Registers) StateTypeName() string { + return "pkg/sentry/arch.Registers" +} + +func (x *Registers) StateFields() []string { + return []string{ + "PtraceRegs", + "TPIDR_EL0", + } +} + +func (x *Registers) beforeSave() {} + +func (x *Registers) StateSave(m state.Sink) { + x.beforeSave() + m.Save(0, &x.PtraceRegs) + m.Save(1, &x.TPIDR_EL0) +} + +func (x *Registers) afterLoad() {} + +func (x *Registers) StateLoad(m state.Source) { + m.Load(0, &x.PtraceRegs) + m.Load(1, &x.TPIDR_EL0) +} + +func (x *State) StateTypeName() string { + return "pkg/sentry/arch.State" +} + +func (x *State) StateFields() []string { + return []string{ + "Regs", + "aarch64FPState", + "FeatureSet", + "OrigR0", + } +} + +func (x *State) beforeSave() {} + +func (x *State) StateSave(m state.Sink) { + x.beforeSave() + m.Save(0, &x.Regs) + m.Save(1, &x.aarch64FPState) + m.Save(2, &x.FeatureSet) + m.Save(3, &x.OrigR0) +} + +func (x *State) afterLoad() {} + +func (x *State) StateLoad(m state.Source) { + m.Load(0, &x.Regs) + m.LoadWait(1, &x.aarch64FPState) + m.Load(2, &x.FeatureSet) + m.Load(3, &x.OrigR0) +} + +func init() { + state.Register((*Registers)(nil)) + state.Register((*State)(nil)) +} diff --git a/pkg/sentry/arch/arch_abi_autogen_unsafe.go b/pkg/sentry/arch/arch_abi_autogen_unsafe.go new file mode 100644 index 000000000..fe68f921d --- /dev/null +++ b/pkg/sentry/arch/arch_abi_autogen_unsafe.go @@ -0,0 +1,372 @@ +// Automatically generated marshal implementation. See tools/go_marshal. + +// +build 386 amd64 arm64 + +package arch + +import ( + "gvisor.dev/gvisor/pkg/abi/linux" + "gvisor.dev/gvisor/pkg/gohacks" + "gvisor.dev/gvisor/pkg/marshal" + "gvisor.dev/gvisor/pkg/safecopy" + "gvisor.dev/gvisor/pkg/usermem" + "io" + "reflect" + "runtime" + "unsafe" +) + +// Marshallable types used by this file. +var _ marshal.Marshallable = (*SignalAct)(nil) +var _ marshal.Marshallable = (*SignalInfo)(nil) +var _ marshal.Marshallable = (*SignalStack)(nil) +var _ marshal.Marshallable = (*linux.SignalSet)(nil) + +// SizeBytes implements marshal.Marshallable.SizeBytes. +func (s *SignalAct) SizeBytes() int { + return 24 + + (*linux.SignalSet)(nil).SizeBytes() +} + +// 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)) + 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 *SignalAct) UnmarshalBytes(src []byte) { + s.Handler = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = 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 *SignalAct) Packed() bool { + return s.Mask.Packed() +} + +// 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) + } +} + +// 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) + } +} + +// 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. + } + + // Construct 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 *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 *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)) + 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 *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)) + 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 *SignalStack) SizeBytes() int { + return 24 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (s *SignalStack) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Addr)) + 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)) + dst = dst[8:] +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (s *SignalStack) UnmarshalBytes(src []byte) { + s.Addr = 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])) + src = src[8:] +} + +// Packed implements marshal.Marshallable.Packed. +//go:nosplit +func (s *SignalStack) Packed() bool { + return true +} + +// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. +func (s *SignalStack) MarshalUnsafe(dst []byte) { + safecopy.CopyIn(dst, unsafe.Pointer(s)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (s *SignalStack) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(s), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +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)) + 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 *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 *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)) + 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 *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)) + 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 *SignalInfo) SizeBytes() int { + return 16 + + 1*(128-16) +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (s *SignalInfo) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.Signo)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.Errno)) + dst = dst[4:] + usermem.ByteOrder.PutUint32(dst[:4], uint32(s.Code)) + dst = dst[4:] + // Padding: dst[:sizeof(uint32)] ~= uint32(0) + dst = dst[4:] + for idx := 0; idx < (128-16); idx++ { + dst[0] = byte(s.Fields[idx]) + dst = dst[1:] + } +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (s *SignalInfo) UnmarshalBytes(src []byte) { + s.Signo = int32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + s.Errno = int32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + s.Code = int32(usermem.ByteOrder.Uint32(src[:4])) + src = src[4:] + // Padding: var _ uint32 ~= src[:sizeof(uint32)] + src = src[4:] + for idx := 0; idx < (128-16); idx++ { + s.Fields[idx] = src[0] + src = src[1:] + } +} + +// Packed implements marshal.Marshallable.Packed. +//go:nosplit +func (s *SignalInfo) Packed() bool { + return true +} + +// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. +func (s *SignalInfo) MarshalUnsafe(dst []byte) { + safecopy.CopyIn(dst, unsafe.Pointer(s)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (s *SignalInfo) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(s), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (s *SignalInfo) 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 *SignalInfo) 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 *SignalInfo) 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 *SignalInfo) 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 +} + diff --git a/pkg/sentry/arch/arch_amd64_abi_autogen_unsafe.go b/pkg/sentry/arch/arch_amd64_abi_autogen_unsafe.go new file mode 100644 index 000000000..466bf889a --- /dev/null +++ b/pkg/sentry/arch/arch_amd64_abi_autogen_unsafe.go @@ -0,0 +1,407 @@ +// Automatically generated marshal implementation. See tools/go_marshal. + +// +build amd64 +// +build amd64 +// +build amd64 + +package arch + +import ( + "gvisor.dev/gvisor/pkg/abi/linux" + "gvisor.dev/gvisor/pkg/gohacks" + "gvisor.dev/gvisor/pkg/marshal" + "gvisor.dev/gvisor/pkg/safecopy" + "gvisor.dev/gvisor/pkg/usermem" + "io" + "reflect" + "runtime" + "unsafe" +) + +// Marshallable types used by this file. +var _ marshal.Marshallable = (*SignalContext64)(nil) +var _ marshal.Marshallable = (*SignalStack)(nil) +var _ marshal.Marshallable = (*UContext64)(nil) +var _ marshal.Marshallable = (*linux.SignalSet)(nil) + +// SizeBytes implements marshal.Marshallable.SizeBytes. +func (s *SignalContext64) SizeBytes() int { + return 184 + + (*linux.SignalSet)(nil).SizeBytes() + + 8*8 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (s *SignalContext64) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.R8)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.R9)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.R10)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.R11)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.R12)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.R13)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.R14)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.R15)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Rdi)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Rsi)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Rbp)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Rbx)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Rdx)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Rax)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Rcx)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Rsp)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Rip)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Eflags)) + dst = dst[8:] + usermem.ByteOrder.PutUint16(dst[:2], uint16(s.Cs)) + dst = dst[2:] + usermem.ByteOrder.PutUint16(dst[:2], uint16(s.Gs)) + dst = dst[2:] + usermem.ByteOrder.PutUint16(dst[:2], uint16(s.Fs)) + dst = dst[2:] + usermem.ByteOrder.PutUint16(dst[:2], uint16(s.Ss)) + dst = dst[2:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Err)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Trapno)) + dst = dst[8:] + s.Oldmask.MarshalBytes(dst[:s.Oldmask.SizeBytes()]) + dst = dst[s.Oldmask.SizeBytes():] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Cr2)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Fpstate)) + dst = dst[8:] + for idx := 0; idx < 8; idx++ { + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Reserved[idx])) + dst = dst[8:] + } +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (s *SignalContext64) UnmarshalBytes(src []byte) { + s.R8 = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.R9 = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.R10 = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.R11 = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.R12 = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.R13 = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.R14 = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.R15 = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.Rdi = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.Rsi = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.Rbp = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.Rbx = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.Rdx = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.Rax = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.Rcx = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.Rsp = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.Rip = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.Eflags = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.Cs = uint16(usermem.ByteOrder.Uint16(src[:2])) + src = src[2:] + s.Gs = uint16(usermem.ByteOrder.Uint16(src[:2])) + src = src[2:] + s.Fs = uint16(usermem.ByteOrder.Uint16(src[:2])) + src = src[2:] + s.Ss = uint16(usermem.ByteOrder.Uint16(src[:2])) + src = src[2:] + s.Err = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.Trapno = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.Oldmask.UnmarshalBytes(src[:s.Oldmask.SizeBytes()]) + src = src[s.Oldmask.SizeBytes():] + s.Cr2 = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.Fpstate = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + for idx := 0; idx < 8; idx++ { + s.Reserved[idx] = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + } +} + +// Packed implements marshal.Marshallable.Packed. +//go:nosplit +func (s *SignalContext64) Packed() bool { + return s.Oldmask.Packed() +} + +// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. +func (s *SignalContext64) MarshalUnsafe(dst []byte) { + if s.Oldmask.Packed() { + safecopy.CopyIn(dst, unsafe.Pointer(s)) + } else { + // Type SignalContext64 doesn't have a packed layout in memory, fallback to MarshalBytes. + s.MarshalBytes(dst) + } +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (s *SignalContext64) UnmarshalUnsafe(src []byte) { + if s.Oldmask.Packed() { + safecopy.CopyOut(unsafe.Pointer(s), src) + } else { + // Type SignalContext64 doesn't have a packed layout in memory, fallback to UnmarshalBytes. + s.UnmarshalBytes(src) + } +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (s *SignalContext64) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) { + if !s.Oldmask.Packed() { + // Type SignalContext64 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 *SignalContext64) 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 *SignalContext64) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { + if !s.Oldmask.Packed() { + // Type SignalContext64 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 *SignalContext64) WriteTo(writer io.Writer) (int64, error) { + if !s.Oldmask.Packed() { + // Type SignalContext64 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 (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_amd64_state_autogen.go b/pkg/sentry/arch/arch_amd64_state_autogen.go new file mode 100644 index 000000000..a6afbbb53 --- /dev/null +++ b/pkg/sentry/arch/arch_amd64_state_autogen.go @@ -0,0 +1,41 @@ +// automatically generated by stateify. + +// +build amd64 +// +build amd64 +// +build amd64 + +package arch + +import ( + "gvisor.dev/gvisor/pkg/state" +) + +func (x *context64) StateTypeName() string { + return "pkg/sentry/arch.context64" +} + +func (x *context64) StateFields() []string { + return []string{ + "State", + "sigFPState", + } +} + +func (x *context64) beforeSave() {} + +func (x *context64) StateSave(m state.Sink) { + x.beforeSave() + m.Save(0, &x.State) + m.Save(1, &x.sigFPState) +} + +func (x *context64) afterLoad() {} + +func (x *context64) StateLoad(m state.Source) { + m.Load(0, &x.State) + m.Load(1, &x.sigFPState) +} + +func init() { + state.Register((*context64)(nil)) +} diff --git a/pkg/sentry/arch/arch_arm64_abi_autogen_unsafe.go b/pkg/sentry/arch/arch_arm64_abi_autogen_unsafe.go new file mode 100644 index 000000000..aac25375e --- /dev/null +++ b/pkg/sentry/arch/arch_arm64_abi_autogen_unsafe.go @@ -0,0 +1,592 @@ +// Automatically generated marshal implementation. See tools/go_marshal. + +// +build arm64 +// +build arm64 +// +build arm64 + +package arch + +import ( + "gvisor.dev/gvisor/pkg/abi/linux" + "gvisor.dev/gvisor/pkg/gohacks" + "gvisor.dev/gvisor/pkg/marshal" + "gvisor.dev/gvisor/pkg/safecopy" + "gvisor.dev/gvisor/pkg/usermem" + "io" + "reflect" + "runtime" + "unsafe" +) + +// Marshallable types used by this file. +var _ marshal.Marshallable = (*FpsimdContext)(nil) +var _ marshal.Marshallable = (*SignalContext64)(nil) +var _ marshal.Marshallable = (*SignalStack)(nil) +var _ marshal.Marshallable = (*UContext64)(nil) +var _ marshal.Marshallable = (*aarch64Ctx)(nil) +var _ marshal.Marshallable = (*linux.SignalSet)(nil) + +// SizeBytes implements marshal.Marshallable.SizeBytes. +func (s *SignalContext64) SizeBytes() int { + return 32 + + 8*31 + + 1*8 + + (*FpsimdContext)(nil).SizeBytes() + + 1*3568 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (s *SignalContext64) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.FaultAddr)) + dst = dst[8:] + for idx := 0; idx < 31; idx++ { + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Regs[idx])) + dst = dst[8:] + } + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Sp)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Pc)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Pstate)) + dst = dst[8:] + for idx := 0; idx < 8; idx++ { + dst[0] = byte(s._pad[idx]) + dst = dst[1:] + } + s.Fpsimd64.MarshalBytes(dst[:s.Fpsimd64.SizeBytes()]) + dst = dst[s.Fpsimd64.SizeBytes():] + for idx := 0; idx < 3568; idx++ { + dst[0] = byte(s.Reserved[idx]) + dst = dst[1:] + } +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (s *SignalContext64) UnmarshalBytes(src []byte) { + s.FaultAddr = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + for idx := 0; idx < 31; idx++ { + s.Regs[idx] = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + } + s.Sp = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.Pc = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.Pstate = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + for idx := 0; idx < 8; idx++ { + s._pad[idx] = src[0] + src = src[1:] + } + s.Fpsimd64.UnmarshalBytes(src[:s.Fpsimd64.SizeBytes()]) + src = src[s.Fpsimd64.SizeBytes():] + for idx := 0; idx < 3568; idx++ { + s.Reserved[idx] = uint8(src[0]) + src = src[1:] + } +} + +// Packed implements marshal.Marshallable.Packed. +//go:nosplit +func (s *SignalContext64) Packed() bool { + return s.Fpsimd64.Packed() +} + +// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. +func (s *SignalContext64) MarshalUnsafe(dst []byte) { + if s.Fpsimd64.Packed() { + safecopy.CopyIn(dst, unsafe.Pointer(s)) + } else { + // Type SignalContext64 doesn't have a packed layout in memory, fallback to MarshalBytes. + s.MarshalBytes(dst) + } +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (s *SignalContext64) UnmarshalUnsafe(src []byte) { + if s.Fpsimd64.Packed() { + safecopy.CopyOut(unsafe.Pointer(s), src) + } else { + // Type SignalContext64 doesn't have a packed layout in memory, fallback to UnmarshalBytes. + s.UnmarshalBytes(src) + } +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (s *SignalContext64) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) { + if !s.Fpsimd64.Packed() { + // Type SignalContext64 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 *SignalContext64) 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 *SignalContext64) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { + if !s.Fpsimd64.Packed() { + // Type SignalContext64 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 *SignalContext64) WriteTo(writer io.Writer) (int64, error) { + if !s.Fpsimd64.Packed() { + // Type SignalContext64 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 (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() + + (*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/arch/arch_arm64_state_autogen.go b/pkg/sentry/arch/arch_arm64_state_autogen.go new file mode 100644 index 000000000..4e69512bb --- /dev/null +++ b/pkg/sentry/arch/arch_arm64_state_autogen.go @@ -0,0 +1,41 @@ +// automatically generated by stateify. + +// +build arm64 +// +build arm64 +// +build arm64 + +package arch + +import ( + "gvisor.dev/gvisor/pkg/state" +) + +func (x *context64) StateTypeName() string { + return "pkg/sentry/arch.context64" +} + +func (x *context64) StateFields() []string { + return []string{ + "State", + "sigFPState", + } +} + +func (x *context64) beforeSave() {} + +func (x *context64) StateSave(m state.Sink) { + x.beforeSave() + m.Save(0, &x.State) + m.Save(1, &x.sigFPState) +} + +func (x *context64) afterLoad() {} + +func (x *context64) StateLoad(m state.Source) { + m.Load(0, &x.State) + m.Load(1, &x.sigFPState) +} + +func init() { + state.Register((*context64)(nil)) +} diff --git a/pkg/sentry/arch/arch_state_autogen.go b/pkg/sentry/arch/arch_state_autogen.go new file mode 100644 index 000000000..b29124813 --- /dev/null +++ b/pkg/sentry/arch/arch_state_autogen.go @@ -0,0 +1,174 @@ +// automatically generated by stateify. + +// +build 386 amd64 arm64 + +package arch + +import ( + "gvisor.dev/gvisor/pkg/state" +) + +func (x *MmapLayout) StateTypeName() string { + return "pkg/sentry/arch.MmapLayout" +} + +func (x *MmapLayout) StateFields() []string { + return []string{ + "MinAddr", + "MaxAddr", + "BottomUpBase", + "TopDownBase", + "DefaultDirection", + "MaxStackRand", + } +} + +func (x *MmapLayout) beforeSave() {} + +func (x *MmapLayout) StateSave(m state.Sink) { + x.beforeSave() + m.Save(0, &x.MinAddr) + m.Save(1, &x.MaxAddr) + m.Save(2, &x.BottomUpBase) + m.Save(3, &x.TopDownBase) + m.Save(4, &x.DefaultDirection) + m.Save(5, &x.MaxStackRand) +} + +func (x *MmapLayout) afterLoad() {} + +func (x *MmapLayout) StateLoad(m state.Source) { + m.Load(0, &x.MinAddr) + m.Load(1, &x.MaxAddr) + m.Load(2, &x.BottomUpBase) + m.Load(3, &x.TopDownBase) + m.Load(4, &x.DefaultDirection) + m.Load(5, &x.MaxStackRand) +} + +func (x *AuxEntry) StateTypeName() string { + return "pkg/sentry/arch.AuxEntry" +} + +func (x *AuxEntry) StateFields() []string { + return []string{ + "Key", + "Value", + } +} + +func (x *AuxEntry) beforeSave() {} + +func (x *AuxEntry) StateSave(m state.Sink) { + x.beforeSave() + m.Save(0, &x.Key) + m.Save(1, &x.Value) +} + +func (x *AuxEntry) afterLoad() {} + +func (x *AuxEntry) StateLoad(m state.Source) { + m.Load(0, &x.Key) + m.Load(1, &x.Value) +} + +func (x *SignalAct) StateTypeName() string { + return "pkg/sentry/arch.SignalAct" +} + +func (x *SignalAct) StateFields() []string { + return []string{ + "Handler", + "Flags", + "Restorer", + "Mask", + } +} + +func (x *SignalAct) beforeSave() {} + +func (x *SignalAct) StateSave(m state.Sink) { + x.beforeSave() + m.Save(0, &x.Handler) + m.Save(1, &x.Flags) + m.Save(2, &x.Restorer) + m.Save(3, &x.Mask) +} + +func (x *SignalAct) afterLoad() {} + +func (x *SignalAct) StateLoad(m state.Source) { + m.Load(0, &x.Handler) + m.Load(1, &x.Flags) + m.Load(2, &x.Restorer) + m.Load(3, &x.Mask) +} + +func (x *SignalStack) StateTypeName() string { + return "pkg/sentry/arch.SignalStack" +} + +func (x *SignalStack) StateFields() []string { + return []string{ + "Addr", + "Flags", + "Size", + } +} + +func (x *SignalStack) beforeSave() {} + +func (x *SignalStack) StateSave(m state.Sink) { + x.beforeSave() + m.Save(0, &x.Addr) + m.Save(1, &x.Flags) + m.Save(2, &x.Size) +} + +func (x *SignalStack) afterLoad() {} + +func (x *SignalStack) StateLoad(m state.Source) { + m.Load(0, &x.Addr) + m.Load(1, &x.Flags) + m.Load(2, &x.Size) +} + +func (x *SignalInfo) StateTypeName() string { + return "pkg/sentry/arch.SignalInfo" +} + +func (x *SignalInfo) StateFields() []string { + return []string{ + "Signo", + "Errno", + "Code", + "Fields", + } +} + +func (x *SignalInfo) beforeSave() {} + +func (x *SignalInfo) StateSave(m state.Sink) { + x.beforeSave() + m.Save(0, &x.Signo) + m.Save(1, &x.Errno) + m.Save(2, &x.Code) + m.Save(3, &x.Fields) +} + +func (x *SignalInfo) afterLoad() {} + +func (x *SignalInfo) StateLoad(m state.Source) { + m.Load(0, &x.Signo) + m.Load(1, &x.Errno) + m.Load(2, &x.Code) + m.Load(3, &x.Fields) +} + +func init() { + state.Register((*MmapLayout)(nil)) + state.Register((*AuxEntry)(nil)) + state.Register((*SignalAct)(nil)) + state.Register((*SignalStack)(nil)) + state.Register((*SignalInfo)(nil)) +} diff --git a/pkg/sentry/arch/arch_unsafe_abi_autogen_unsafe.go b/pkg/sentry/arch/arch_unsafe_abi_autogen_unsafe.go new file mode 100644 index 000000000..2167ed9c9 --- /dev/null +++ b/pkg/sentry/arch/arch_unsafe_abi_autogen_unsafe.go @@ -0,0 +1,7 @@ +// Automatically generated marshal implementation. See tools/go_marshal. + +package arch + +import ( +) + diff --git a/pkg/sentry/arch/arch_unsafe_state_autogen.go b/pkg/sentry/arch/arch_unsafe_state_autogen.go new file mode 100644 index 000000000..9a45071b9 --- /dev/null +++ b/pkg/sentry/arch/arch_unsafe_state_autogen.go @@ -0,0 +1,3 @@ +// automatically generated by stateify. + +package arch diff --git a/pkg/sentry/arch/arch_x86_abi_autogen_unsafe.go b/pkg/sentry/arch/arch_x86_abi_autogen_unsafe.go new file mode 100644 index 000000000..521dcbb06 --- /dev/null +++ b/pkg/sentry/arch/arch_x86_abi_autogen_unsafe.go @@ -0,0 +1,10 @@ +// Automatically generated marshal implementation. See tools/go_marshal. + +// +build amd64 386 +// +build amd64 386 + +package arch + +import ( +) + diff --git a/pkg/sentry/arch/arch_x86_impl_abi_autogen_unsafe.go b/pkg/sentry/arch/arch_x86_impl_abi_autogen_unsafe.go new file mode 100644 index 000000000..4357dc093 --- /dev/null +++ b/pkg/sentry/arch/arch_x86_impl_abi_autogen_unsafe.go @@ -0,0 +1,9 @@ +// Automatically generated marshal implementation. See tools/go_marshal. + +// +build amd64 386 + +package arch + +import ( +) + diff --git a/pkg/sentry/arch/arch_x86_impl_state_autogen.go b/pkg/sentry/arch/arch_x86_impl_state_autogen.go new file mode 100644 index 000000000..e7738a847 --- /dev/null +++ b/pkg/sentry/arch/arch_x86_impl_state_autogen.go @@ -0,0 +1,41 @@ +// automatically generated by stateify. + +// +build amd64 386 + +package arch + +import ( + "gvisor.dev/gvisor/pkg/state" +) + +func (x *State) StateTypeName() string { + return "pkg/sentry/arch.State" +} + +func (x *State) StateFields() []string { + return []string{ + "Regs", + "x86FPState", + "FeatureSet", + } +} + +func (x *State) beforeSave() {} + +func (x *State) StateSave(m state.Sink) { + x.beforeSave() + m.Save(0, &x.Regs) + m.Save(1, &x.x86FPState) + m.Save(2, &x.FeatureSet) +} + +func (x *State) StateLoad(m state.Source) { + m.Load(0, &x.Regs) + m.LoadWait(1, &x.x86FPState) + m.Load(2, &x.FeatureSet) + m.AfterLoad(x.afterLoad) +} + +func init() { + state.Register((*State)(nil)) +} diff --git a/pkg/sentry/arch/arch_x86_state_autogen.go b/pkg/sentry/arch/arch_x86_state_autogen.go new file mode 100644 index 000000000..c52b40a26 --- /dev/null +++ b/pkg/sentry/arch/arch_x86_state_autogen.go @@ -0,0 +1,37 @@ +// automatically generated by stateify. + +// +build amd64 386 +// +build amd64 386 + +package arch + +import ( + "gvisor.dev/gvisor/pkg/state" +) + +func (x *Registers) StateTypeName() string { + return "pkg/sentry/arch.Registers" +} + +func (x *Registers) StateFields() []string { + return []string{ + "PtraceRegs", + } +} + +func (x *Registers) beforeSave() {} + +func (x *Registers) StateSave(m state.Sink) { + x.beforeSave() + m.Save(0, &x.PtraceRegs) +} + +func (x *Registers) afterLoad() {} + +func (x *Registers) StateLoad(m state.Source) { + m.Load(0, &x.PtraceRegs) +} + +func init() { + state.Register((*Registers)(nil)) +} diff --git a/pkg/sentry/arch/registers.proto b/pkg/sentry/arch/registers.proto deleted file mode 100644 index 2727ba08a..000000000 --- a/pkg/sentry/arch/registers.proto +++ /dev/null @@ -1,93 +0,0 @@ -// Copyright 2018 The gVisor Authors. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -syntax = "proto3"; - -package gvisor; - -message AMD64Registers { - uint64 rax = 1; - uint64 rbx = 2; - uint64 rcx = 3; - uint64 rdx = 4; - uint64 rsi = 5; - uint64 rdi = 6; - uint64 rsp = 7; - uint64 rbp = 8; - - uint64 r8 = 9; - uint64 r9 = 10; - uint64 r10 = 11; - uint64 r11 = 12; - uint64 r12 = 13; - uint64 r13 = 14; - uint64 r14 = 15; - uint64 r15 = 16; - - uint64 rip = 17; - uint64 rflags = 18; - uint64 orig_rax = 19; - uint64 cs = 20; - uint64 ds = 21; - uint64 es = 22; - uint64 fs = 23; - uint64 gs = 24; - uint64 ss = 25; - uint64 fs_base = 26; - uint64 gs_base = 27; -} - -message ARM64Registers { - uint64 r0 = 1; - uint64 r1 = 2; - uint64 r2 = 3; - uint64 r3 = 4; - uint64 r4 = 5; - uint64 r5 = 6; - uint64 r6 = 7; - uint64 r7 = 8; - uint64 r8 = 9; - uint64 r9 = 10; - uint64 r10 = 11; - uint64 r11 = 12; - uint64 r12 = 13; - uint64 r13 = 14; - uint64 r14 = 15; - uint64 r15 = 16; - uint64 r16 = 17; - uint64 r17 = 18; - uint64 r18 = 19; - uint64 r19 = 20; - uint64 r20 = 21; - uint64 r21 = 22; - uint64 r22 = 23; - uint64 r23 = 24; - uint64 r24 = 25; - uint64 r25 = 26; - uint64 r26 = 27; - uint64 r27 = 28; - uint64 r28 = 29; - uint64 r29 = 30; - uint64 r30 = 31; - uint64 sp = 32; - uint64 pc = 33; - uint64 pstate = 34; - uint64 tls = 35; -} -message Registers { - oneof arch { - AMD64Registers amd64 = 1; - ARM64Registers arm64 = 2; - } -} diff --git a/pkg/sentry/arch/registers_go_proto/registers.pb.go b/pkg/sentry/arch/registers_go_proto/registers.pb.go new file mode 100644 index 000000000..4b11db4c0 --- /dev/null +++ b/pkg/sentry/arch/registers_go_proto/registers.pb.go @@ -0,0 +1,706 @@ +// Code generated by protoc-gen-go. DO NOT EDIT. +// source: pkg/sentry/arch/registers.proto + +package gvisor + +import ( + fmt "fmt" + proto "github.com/golang/protobuf/proto" + math "math" +) + +// Reference imports to suppress errors if they are not otherwise used. +var _ = proto.Marshal +var _ = fmt.Errorf +var _ = math.Inf + +// This is a compile-time assertion to ensure that this generated file +// is compatible with the proto package it is being compiled against. +// A compilation error at this line likely means your copy of the +// proto package needs to be updated. +const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package + +type AMD64Registers struct { + Rax uint64 `protobuf:"varint,1,opt,name=rax,proto3" json:"rax,omitempty"` + Rbx uint64 `protobuf:"varint,2,opt,name=rbx,proto3" json:"rbx,omitempty"` + Rcx uint64 `protobuf:"varint,3,opt,name=rcx,proto3" json:"rcx,omitempty"` + Rdx uint64 `protobuf:"varint,4,opt,name=rdx,proto3" json:"rdx,omitempty"` + Rsi uint64 `protobuf:"varint,5,opt,name=rsi,proto3" json:"rsi,omitempty"` + Rdi uint64 `protobuf:"varint,6,opt,name=rdi,proto3" json:"rdi,omitempty"` + Rsp uint64 `protobuf:"varint,7,opt,name=rsp,proto3" json:"rsp,omitempty"` + Rbp uint64 `protobuf:"varint,8,opt,name=rbp,proto3" json:"rbp,omitempty"` + R8 uint64 `protobuf:"varint,9,opt,name=r8,proto3" json:"r8,omitempty"` + R9 uint64 `protobuf:"varint,10,opt,name=r9,proto3" json:"r9,omitempty"` + R10 uint64 `protobuf:"varint,11,opt,name=r10,proto3" json:"r10,omitempty"` + R11 uint64 `protobuf:"varint,12,opt,name=r11,proto3" json:"r11,omitempty"` + R12 uint64 `protobuf:"varint,13,opt,name=r12,proto3" json:"r12,omitempty"` + R13 uint64 `protobuf:"varint,14,opt,name=r13,proto3" json:"r13,omitempty"` + R14 uint64 `protobuf:"varint,15,opt,name=r14,proto3" json:"r14,omitempty"` + R15 uint64 `protobuf:"varint,16,opt,name=r15,proto3" json:"r15,omitempty"` + Rip uint64 `protobuf:"varint,17,opt,name=rip,proto3" json:"rip,omitempty"` + Rflags uint64 `protobuf:"varint,18,opt,name=rflags,proto3" json:"rflags,omitempty"` + OrigRax uint64 `protobuf:"varint,19,opt,name=orig_rax,json=origRax,proto3" json:"orig_rax,omitempty"` + Cs uint64 `protobuf:"varint,20,opt,name=cs,proto3" json:"cs,omitempty"` + Ds uint64 `protobuf:"varint,21,opt,name=ds,proto3" json:"ds,omitempty"` + Es uint64 `protobuf:"varint,22,opt,name=es,proto3" json:"es,omitempty"` + Fs uint64 `protobuf:"varint,23,opt,name=fs,proto3" json:"fs,omitempty"` + Gs uint64 `protobuf:"varint,24,opt,name=gs,proto3" json:"gs,omitempty"` + Ss uint64 `protobuf:"varint,25,opt,name=ss,proto3" json:"ss,omitempty"` + FsBase uint64 `protobuf:"varint,26,opt,name=fs_base,json=fsBase,proto3" json:"fs_base,omitempty"` + GsBase uint64 `protobuf:"varint,27,opt,name=gs_base,json=gsBase,proto3" json:"gs_base,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` +} + +func (m *AMD64Registers) Reset() { *m = AMD64Registers{} } +func (m *AMD64Registers) String() string { return proto.CompactTextString(m) } +func (*AMD64Registers) ProtoMessage() {} +func (*AMD64Registers) Descriptor() ([]byte, []int) { + return fileDescriptor_082b7510610e0457, []int{0} +} + +func (m *AMD64Registers) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_AMD64Registers.Unmarshal(m, b) +} +func (m *AMD64Registers) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_AMD64Registers.Marshal(b, m, deterministic) +} +func (m *AMD64Registers) XXX_Merge(src proto.Message) { + xxx_messageInfo_AMD64Registers.Merge(m, src) +} +func (m *AMD64Registers) XXX_Size() int { + return xxx_messageInfo_AMD64Registers.Size(m) +} +func (m *AMD64Registers) XXX_DiscardUnknown() { + xxx_messageInfo_AMD64Registers.DiscardUnknown(m) +} + +var xxx_messageInfo_AMD64Registers proto.InternalMessageInfo + +func (m *AMD64Registers) GetRax() uint64 { + if m != nil { + return m.Rax + } + return 0 +} + +func (m *AMD64Registers) GetRbx() uint64 { + if m != nil { + return m.Rbx + } + return 0 +} + +func (m *AMD64Registers) GetRcx() uint64 { + if m != nil { + return m.Rcx + } + return 0 +} + +func (m *AMD64Registers) GetRdx() uint64 { + if m != nil { + return m.Rdx + } + return 0 +} + +func (m *AMD64Registers) GetRsi() uint64 { + if m != nil { + return m.Rsi + } + return 0 +} + +func (m *AMD64Registers) GetRdi() uint64 { + if m != nil { + return m.Rdi + } + return 0 +} + +func (m *AMD64Registers) GetRsp() uint64 { + if m != nil { + return m.Rsp + } + return 0 +} + +func (m *AMD64Registers) GetRbp() uint64 { + if m != nil { + return m.Rbp + } + return 0 +} + +func (m *AMD64Registers) GetR8() uint64 { + if m != nil { + return m.R8 + } + return 0 +} + +func (m *AMD64Registers) GetR9() uint64 { + if m != nil { + return m.R9 + } + return 0 +} + +func (m *AMD64Registers) GetR10() uint64 { + if m != nil { + return m.R10 + } + return 0 +} + +func (m *AMD64Registers) GetR11() uint64 { + if m != nil { + return m.R11 + } + return 0 +} + +func (m *AMD64Registers) GetR12() uint64 { + if m != nil { + return m.R12 + } + return 0 +} + +func (m *AMD64Registers) GetR13() uint64 { + if m != nil { + return m.R13 + } + return 0 +} + +func (m *AMD64Registers) GetR14() uint64 { + if m != nil { + return m.R14 + } + return 0 +} + +func (m *AMD64Registers) GetR15() uint64 { + if m != nil { + return m.R15 + } + return 0 +} + +func (m *AMD64Registers) GetRip() uint64 { + if m != nil { + return m.Rip + } + return 0 +} + +func (m *AMD64Registers) GetRflags() uint64 { + if m != nil { + return m.Rflags + } + return 0 +} + +func (m *AMD64Registers) GetOrigRax() uint64 { + if m != nil { + return m.OrigRax + } + return 0 +} + +func (m *AMD64Registers) GetCs() uint64 { + if m != nil { + return m.Cs + } + return 0 +} + +func (m *AMD64Registers) GetDs() uint64 { + if m != nil { + return m.Ds + } + return 0 +} + +func (m *AMD64Registers) GetEs() uint64 { + if m != nil { + return m.Es + } + return 0 +} + +func (m *AMD64Registers) GetFs() uint64 { + if m != nil { + return m.Fs + } + return 0 +} + +func (m *AMD64Registers) GetGs() uint64 { + if m != nil { + return m.Gs + } + return 0 +} + +func (m *AMD64Registers) GetSs() uint64 { + if m != nil { + return m.Ss + } + return 0 +} + +func (m *AMD64Registers) GetFsBase() uint64 { + if m != nil { + return m.FsBase + } + return 0 +} + +func (m *AMD64Registers) GetGsBase() uint64 { + if m != nil { + return m.GsBase + } + return 0 +} + +type ARM64Registers struct { + R0 uint64 `protobuf:"varint,1,opt,name=r0,proto3" json:"r0,omitempty"` + R1 uint64 `protobuf:"varint,2,opt,name=r1,proto3" json:"r1,omitempty"` + R2 uint64 `protobuf:"varint,3,opt,name=r2,proto3" json:"r2,omitempty"` + R3 uint64 `protobuf:"varint,4,opt,name=r3,proto3" json:"r3,omitempty"` + R4 uint64 `protobuf:"varint,5,opt,name=r4,proto3" json:"r4,omitempty"` + R5 uint64 `protobuf:"varint,6,opt,name=r5,proto3" json:"r5,omitempty"` + R6 uint64 `protobuf:"varint,7,opt,name=r6,proto3" json:"r6,omitempty"` + R7 uint64 `protobuf:"varint,8,opt,name=r7,proto3" json:"r7,omitempty"` + R8 uint64 `protobuf:"varint,9,opt,name=r8,proto3" json:"r8,omitempty"` + R9 uint64 `protobuf:"varint,10,opt,name=r9,proto3" json:"r9,omitempty"` + R10 uint64 `protobuf:"varint,11,opt,name=r10,proto3" json:"r10,omitempty"` + R11 uint64 `protobuf:"varint,12,opt,name=r11,proto3" json:"r11,omitempty"` + R12 uint64 `protobuf:"varint,13,opt,name=r12,proto3" json:"r12,omitempty"` + R13 uint64 `protobuf:"varint,14,opt,name=r13,proto3" json:"r13,omitempty"` + R14 uint64 `protobuf:"varint,15,opt,name=r14,proto3" json:"r14,omitempty"` + R15 uint64 `protobuf:"varint,16,opt,name=r15,proto3" json:"r15,omitempty"` + R16 uint64 `protobuf:"varint,17,opt,name=r16,proto3" json:"r16,omitempty"` + R17 uint64 `protobuf:"varint,18,opt,name=r17,proto3" json:"r17,omitempty"` + R18 uint64 `protobuf:"varint,19,opt,name=r18,proto3" json:"r18,omitempty"` + R19 uint64 `protobuf:"varint,20,opt,name=r19,proto3" json:"r19,omitempty"` + R20 uint64 `protobuf:"varint,21,opt,name=r20,proto3" json:"r20,omitempty"` + R21 uint64 `protobuf:"varint,22,opt,name=r21,proto3" json:"r21,omitempty"` + R22 uint64 `protobuf:"varint,23,opt,name=r22,proto3" json:"r22,omitempty"` + R23 uint64 `protobuf:"varint,24,opt,name=r23,proto3" json:"r23,omitempty"` + R24 uint64 `protobuf:"varint,25,opt,name=r24,proto3" json:"r24,omitempty"` + R25 uint64 `protobuf:"varint,26,opt,name=r25,proto3" json:"r25,omitempty"` + R26 uint64 `protobuf:"varint,27,opt,name=r26,proto3" json:"r26,omitempty"` + R27 uint64 `protobuf:"varint,28,opt,name=r27,proto3" json:"r27,omitempty"` + R28 uint64 `protobuf:"varint,29,opt,name=r28,proto3" json:"r28,omitempty"` + R29 uint64 `protobuf:"varint,30,opt,name=r29,proto3" json:"r29,omitempty"` + R30 uint64 `protobuf:"varint,31,opt,name=r30,proto3" json:"r30,omitempty"` + Sp uint64 `protobuf:"varint,32,opt,name=sp,proto3" json:"sp,omitempty"` + Pc uint64 `protobuf:"varint,33,opt,name=pc,proto3" json:"pc,omitempty"` + Pstate uint64 `protobuf:"varint,34,opt,name=pstate,proto3" json:"pstate,omitempty"` + Tls uint64 `protobuf:"varint,35,opt,name=tls,proto3" json:"tls,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` +} + +func (m *ARM64Registers) Reset() { *m = ARM64Registers{} } +func (m *ARM64Registers) String() string { return proto.CompactTextString(m) } +func (*ARM64Registers) ProtoMessage() {} +func (*ARM64Registers) Descriptor() ([]byte, []int) { + return fileDescriptor_082b7510610e0457, []int{1} +} + +func (m *ARM64Registers) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_ARM64Registers.Unmarshal(m, b) +} +func (m *ARM64Registers) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_ARM64Registers.Marshal(b, m, deterministic) +} +func (m *ARM64Registers) XXX_Merge(src proto.Message) { + xxx_messageInfo_ARM64Registers.Merge(m, src) +} +func (m *ARM64Registers) XXX_Size() int { + return xxx_messageInfo_ARM64Registers.Size(m) +} +func (m *ARM64Registers) XXX_DiscardUnknown() { + xxx_messageInfo_ARM64Registers.DiscardUnknown(m) +} + +var xxx_messageInfo_ARM64Registers proto.InternalMessageInfo + +func (m *ARM64Registers) GetR0() uint64 { + if m != nil { + return m.R0 + } + return 0 +} + +func (m *ARM64Registers) GetR1() uint64 { + if m != nil { + return m.R1 + } + return 0 +} + +func (m *ARM64Registers) GetR2() uint64 { + if m != nil { + return m.R2 + } + return 0 +} + +func (m *ARM64Registers) GetR3() uint64 { + if m != nil { + return m.R3 + } + return 0 +} + +func (m *ARM64Registers) GetR4() uint64 { + if m != nil { + return m.R4 + } + return 0 +} + +func (m *ARM64Registers) GetR5() uint64 { + if m != nil { + return m.R5 + } + return 0 +} + +func (m *ARM64Registers) GetR6() uint64 { + if m != nil { + return m.R6 + } + return 0 +} + +func (m *ARM64Registers) GetR7() uint64 { + if m != nil { + return m.R7 + } + return 0 +} + +func (m *ARM64Registers) GetR8() uint64 { + if m != nil { + return m.R8 + } + return 0 +} + +func (m *ARM64Registers) GetR9() uint64 { + if m != nil { + return m.R9 + } + return 0 +} + +func (m *ARM64Registers) GetR10() uint64 { + if m != nil { + return m.R10 + } + return 0 +} + +func (m *ARM64Registers) GetR11() uint64 { + if m != nil { + return m.R11 + } + return 0 +} + +func (m *ARM64Registers) GetR12() uint64 { + if m != nil { + return m.R12 + } + return 0 +} + +func (m *ARM64Registers) GetR13() uint64 { + if m != nil { + return m.R13 + } + return 0 +} + +func (m *ARM64Registers) GetR14() uint64 { + if m != nil { + return m.R14 + } + return 0 +} + +func (m *ARM64Registers) GetR15() uint64 { + if m != nil { + return m.R15 + } + return 0 +} + +func (m *ARM64Registers) GetR16() uint64 { + if m != nil { + return m.R16 + } + return 0 +} + +func (m *ARM64Registers) GetR17() uint64 { + if m != nil { + return m.R17 + } + return 0 +} + +func (m *ARM64Registers) GetR18() uint64 { + if m != nil { + return m.R18 + } + return 0 +} + +func (m *ARM64Registers) GetR19() uint64 { + if m != nil { + return m.R19 + } + return 0 +} + +func (m *ARM64Registers) GetR20() uint64 { + if m != nil { + return m.R20 + } + return 0 +} + +func (m *ARM64Registers) GetR21() uint64 { + if m != nil { + return m.R21 + } + return 0 +} + +func (m *ARM64Registers) GetR22() uint64 { + if m != nil { + return m.R22 + } + return 0 +} + +func (m *ARM64Registers) GetR23() uint64 { + if m != nil { + return m.R23 + } + return 0 +} + +func (m *ARM64Registers) GetR24() uint64 { + if m != nil { + return m.R24 + } + return 0 +} + +func (m *ARM64Registers) GetR25() uint64 { + if m != nil { + return m.R25 + } + return 0 +} + +func (m *ARM64Registers) GetR26() uint64 { + if m != nil { + return m.R26 + } + return 0 +} + +func (m *ARM64Registers) GetR27() uint64 { + if m != nil { + return m.R27 + } + return 0 +} + +func (m *ARM64Registers) GetR28() uint64 { + if m != nil { + return m.R28 + } + return 0 +} + +func (m *ARM64Registers) GetR29() uint64 { + if m != nil { + return m.R29 + } + return 0 +} + +func (m *ARM64Registers) GetR30() uint64 { + if m != nil { + return m.R30 + } + return 0 +} + +func (m *ARM64Registers) GetSp() uint64 { + if m != nil { + return m.Sp + } + return 0 +} + +func (m *ARM64Registers) GetPc() uint64 { + if m != nil { + return m.Pc + } + return 0 +} + +func (m *ARM64Registers) GetPstate() uint64 { + if m != nil { + return m.Pstate + } + return 0 +} + +func (m *ARM64Registers) GetTls() uint64 { + if m != nil { + return m.Tls + } + return 0 +} + +type Registers struct { + // Types that are valid to be assigned to Arch: + // *Registers_Amd64 + // *Registers_Arm64 + Arch isRegisters_Arch `protobuf_oneof:"arch"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` +} + +func (m *Registers) Reset() { *m = Registers{} } +func (m *Registers) String() string { return proto.CompactTextString(m) } +func (*Registers) ProtoMessage() {} +func (*Registers) Descriptor() ([]byte, []int) { + return fileDescriptor_082b7510610e0457, []int{2} +} + +func (m *Registers) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_Registers.Unmarshal(m, b) +} +func (m *Registers) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_Registers.Marshal(b, m, deterministic) +} +func (m *Registers) XXX_Merge(src proto.Message) { + xxx_messageInfo_Registers.Merge(m, src) +} +func (m *Registers) XXX_Size() int { + return xxx_messageInfo_Registers.Size(m) +} +func (m *Registers) XXX_DiscardUnknown() { + xxx_messageInfo_Registers.DiscardUnknown(m) +} + +var xxx_messageInfo_Registers proto.InternalMessageInfo + +type isRegisters_Arch interface { + isRegisters_Arch() +} + +type Registers_Amd64 struct { + Amd64 *AMD64Registers `protobuf:"bytes,1,opt,name=amd64,proto3,oneof"` +} + +type Registers_Arm64 struct { + Arm64 *ARM64Registers `protobuf:"bytes,2,opt,name=arm64,proto3,oneof"` +} + +func (*Registers_Amd64) isRegisters_Arch() {} + +func (*Registers_Arm64) isRegisters_Arch() {} + +func (m *Registers) GetArch() isRegisters_Arch { + if m != nil { + return m.Arch + } + return nil +} + +func (m *Registers) GetAmd64() *AMD64Registers { + if x, ok := m.GetArch().(*Registers_Amd64); ok { + return x.Amd64 + } + return nil +} + +func (m *Registers) GetArm64() *ARM64Registers { + if x, ok := m.GetArch().(*Registers_Arm64); ok { + return x.Arm64 + } + return nil +} + +// XXX_OneofWrappers is for the internal use of the proto package. +func (*Registers) XXX_OneofWrappers() []interface{} { + return []interface{}{ + (*Registers_Amd64)(nil), + (*Registers_Arm64)(nil), + } +} + +func init() { + proto.RegisterType((*AMD64Registers)(nil), "gvisor.AMD64Registers") + proto.RegisterType((*ARM64Registers)(nil), "gvisor.ARM64Registers") + proto.RegisterType((*Registers)(nil), "gvisor.Registers") +} + +func init() { proto.RegisterFile("pkg/sentry/arch/registers.proto", fileDescriptor_082b7510610e0457) } + +var fileDescriptor_082b7510610e0457 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