diff options
Diffstat (limited to 'pkg/marshal')
| -rw-r--r-- | pkg/marshal/BUILD | 15 | ||||
| -rw-r--r-- | pkg/marshal/marshal_state_autogen.go | 3 | ||||
| -rw-r--r-- | pkg/marshal/primitive/BUILD | 19 | ||||
| -rw-r--r-- | pkg/marshal/primitive/primitive_abi_autogen_unsafe.go | 1447 | ||||
| -rw-r--r-- | pkg/marshal/primitive/primitive_state_autogen.go | 3 |
5 files changed, 1453 insertions, 34 deletions
diff --git a/pkg/marshal/BUILD b/pkg/marshal/BUILD deleted file mode 100644 index aac0161fa..000000000 --- a/pkg/marshal/BUILD +++ /dev/null @@ -1,15 +0,0 @@ -load("//tools:defs.bzl", "go_library") - -licenses(["notice"]) - -go_library( - name = "marshal", - srcs = [ - "marshal.go", - "marshal_impl_util.go", - ], - visibility = [ - "//:sandbox", - ], - deps = ["//pkg/usermem"], -) diff --git a/pkg/marshal/marshal_state_autogen.go b/pkg/marshal/marshal_state_autogen.go new file mode 100644 index 000000000..a0a953158 --- /dev/null +++ b/pkg/marshal/marshal_state_autogen.go @@ -0,0 +1,3 @@ +// automatically generated by stateify. + +package marshal diff --git a/pkg/marshal/primitive/BUILD b/pkg/marshal/primitive/BUILD deleted file mode 100644 index d77a11c79..000000000 --- a/pkg/marshal/primitive/BUILD +++ /dev/null @@ -1,19 +0,0 @@ -load("//tools:defs.bzl", "go_library") - -licenses(["notice"]) - -go_library( - name = "primitive", - srcs = [ - "primitive.go", - ], - marshal = True, - visibility = [ - "//:sandbox", - ], - deps = [ - "//pkg/context", - "//pkg/marshal", - "//pkg/usermem", - ], -) diff --git a/pkg/marshal/primitive/primitive_abi_autogen_unsafe.go b/pkg/marshal/primitive/primitive_abi_autogen_unsafe.go new file mode 100644 index 000000000..7564cecec --- /dev/null +++ b/pkg/marshal/primitive/primitive_abi_autogen_unsafe.go @@ -0,0 +1,1447 @@ +// Automatically generated marshal implementation. See tools/go_marshal. + +// If there are issues with build tag aggregation, see +// tools/go_marshal/gomarshal/generator.go:writeHeader(). The build tags here +// come from the input set of files used to generate this file. This input set +// is filtered based on pre-defined file suffixes related to build tags, see +// tools/defs.bzl:calculate_sets(). + +package primitive + +import ( + "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 = (*Int16)(nil) +var _ marshal.Marshallable = (*Int32)(nil) +var _ marshal.Marshallable = (*Int64)(nil) +var _ marshal.Marshallable = (*Int8)(nil) +var _ marshal.Marshallable = (*Uint16)(nil) +var _ marshal.Marshallable = (*Uint32)(nil) +var _ marshal.Marshallable = (*Uint64)(nil) +var _ marshal.Marshallable = (*Uint8)(nil) + +// SizeBytes implements marshal.Marshallable.SizeBytes. +//go:nosplit +func (i *Int16) SizeBytes() int { + return 2 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (i *Int16) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint16(dst[:2], uint16(*i)) +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (i *Int16) UnmarshalBytes(src []byte) { + *i = Int16(int16(usermem.ByteOrder.Uint16(src[:2]))) +} + +// Packed implements marshal.Marshallable.Packed. +//go:nosplit +func (i *Int16) Packed() bool { + // Scalar newtypes are always packed. + return true +} + +// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. +func (i *Int16) MarshalUnsafe(dst []byte) { + safecopy.CopyIn(dst, unsafe.Pointer(i)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (i *Int16) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(i), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (i *Int16) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) { + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i))) + hdr.Len = i.SizeBytes() + hdr.Cap = i.SizeBytes() + + length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay. + // Since we bypassed the compiler's escape analysis, indicate that i + // must live until the use above. + runtime.KeepAlive(i) // escapes: replaced by intrinsic. + return length, err +} + +// CopyOut implements marshal.Marshallable.CopyOut. +//go:nosplit +func (i *Int16) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { + return i.CopyOutN(cc, addr, i.SizeBytes()) +} + +// CopyIn implements marshal.Marshallable.CopyIn. +//go:nosplit +func (i *Int16) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i))) + hdr.Len = i.SizeBytes() + hdr.Cap = i.SizeBytes() + + length, err := cc.CopyInBytes(addr, buf) // escapes: okay. + // Since we bypassed the compiler's escape analysis, indicate that i + // must live until the use above. + runtime.KeepAlive(i) // escapes: replaced by intrinsic. + return length, err +} + +// WriteTo implements io.WriterTo.WriteTo. +func (i *Int16) WriteTo(w io.Writer) (int64, error) { + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i))) + hdr.Len = i.SizeBytes() + hdr.Cap = i.SizeBytes() + + length, err := w.Write(buf) + // Since we bypassed the compiler's escape analysis, indicate that i + // must live until the use above. + runtime.KeepAlive(i) // escapes: replaced by intrinsic. + return int64(length), err +} + +// CopyInt16SliceIn copies in a slice of int16 objects from the task's memory. +//go:nosplit +func CopyInt16SliceIn(cc marshal.CopyContext, addr usermem.Addr, dst []int16) (int, error) { + count := len(dst) + if count == 0 { + return 0, nil + } + size := (*Int16)(nil).SizeBytes() + + ptr := unsafe.Pointer(&dst) + val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) + + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(val) + hdr.Len = size * count + hdr.Cap = size * count + + length, err := cc.CopyInBytes(addr, buf) // escapes: okay. + // Since we bypassed the compiler's escape analysis, indicate that dst + // must live until the use above. + runtime.KeepAlive(dst) // escapes: replaced by intrinsic. + return length, err +} + +// CopyInt16SliceOut copies a slice of int16 objects to the task's memory. +//go:nosplit +func CopyInt16SliceOut(cc marshal.CopyContext, addr usermem.Addr, src []int16) (int, error) { + count := len(src) + if count == 0 { + return 0, nil + } + size := (*Int16)(nil).SizeBytes() + + ptr := unsafe.Pointer(&src) + val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) + + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(val) + hdr.Len = size * count + hdr.Cap = size * count + + length, err := cc.CopyOutBytes(addr, buf) // escapes: okay. + // Since we bypassed the compiler's escape analysis, indicate that src + // must live until the use above. + runtime.KeepAlive(src) // escapes: replaced by intrinsic. + return length, err +} + +// MarshalUnsafeInt16Slice is like Int16.MarshalUnsafe, but for a []Int16. +func MarshalUnsafeInt16Slice(src []Int16, dst []byte) (int, error) { + count := len(src) + if count == 0 { + return 0, nil + } + size := (*Int16)(nil).SizeBytes() + + ptr := unsafe.Pointer(&src) + val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) + + length, err := safecopy.CopyIn(dst[:(size*count)], val) + // Since we bypassed the compiler's escape analysis, indicate that src + // must live until the use above. + runtime.KeepAlive(src) // escapes: replaced by intrinsic. + return length, err +} + +// UnmarshalUnsafeInt16Slice is like Int16.UnmarshalUnsafe, but for a []Int16. +func UnmarshalUnsafeInt16Slice(dst []Int16, src []byte) (int, error) { + count := len(dst) + if count == 0 { + return 0, nil + } + size := (*Int16)(nil).SizeBytes() + + ptr := unsafe.Pointer(&dst) + val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) + + length, err := safecopy.CopyOut(val, src[:(size*count)]) + // Since we bypassed the compiler's escape analysis, indicate that dst + // must live until the use above. + runtime.KeepAlive(dst) // escapes: replaced by intrinsic. + return length, err +} + +// SizeBytes implements marshal.Marshallable.SizeBytes. +//go:nosplit +func (i *Int32) SizeBytes() int { + return 4 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (i *Int32) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint32(dst[:4], uint32(*i)) +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (i *Int32) UnmarshalBytes(src []byte) { + *i = Int32(int32(usermem.ByteOrder.Uint32(src[:4]))) +} + +// Packed implements marshal.Marshallable.Packed. +//go:nosplit +func (i *Int32) Packed() bool { + // Scalar newtypes are always packed. + return true +} + +// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. +func (i *Int32) MarshalUnsafe(dst []byte) { + safecopy.CopyIn(dst, unsafe.Pointer(i)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (i *Int32) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(i), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (i *Int32) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) { + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i))) + hdr.Len = i.SizeBytes() + hdr.Cap = i.SizeBytes() + + length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay. + // Since we bypassed the compiler's escape analysis, indicate that i + // must live until the use above. + runtime.KeepAlive(i) // escapes: replaced by intrinsic. + return length, err +} + +// CopyOut implements marshal.Marshallable.CopyOut. +//go:nosplit +func (i *Int32) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { + return i.CopyOutN(cc, addr, i.SizeBytes()) +} + +// CopyIn implements marshal.Marshallable.CopyIn. +//go:nosplit +func (i *Int32) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i))) + hdr.Len = i.SizeBytes() + hdr.Cap = i.SizeBytes() + + length, err := cc.CopyInBytes(addr, buf) // escapes: okay. + // Since we bypassed the compiler's escape analysis, indicate that i + // must live until the use above. + runtime.KeepAlive(i) // escapes: replaced by intrinsic. + return length, err +} + +// WriteTo implements io.WriterTo.WriteTo. +func (i *Int32) WriteTo(w io.Writer) (int64, error) { + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i))) + hdr.Len = i.SizeBytes() + hdr.Cap = i.SizeBytes() + + length, err := w.Write(buf) + // Since we bypassed the compiler's escape analysis, indicate that i + // must live until the use above. + runtime.KeepAlive(i) // escapes: replaced by intrinsic. + return int64(length), err +} + +// CopyInt32SliceIn copies in a slice of int32 objects from the task's memory. +//go:nosplit +func CopyInt32SliceIn(cc marshal.CopyContext, addr usermem.Addr, dst []int32) (int, error) { + count := len(dst) + if count == 0 { + return 0, nil + } + size := (*Int32)(nil).SizeBytes() + + ptr := unsafe.Pointer(&dst) + val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) + + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(val) + hdr.Len = size * count + hdr.Cap = size * count + + length, err := cc.CopyInBytes(addr, buf) // escapes: okay. + // Since we bypassed the compiler's escape analysis, indicate that dst + // must live until the use above. + runtime.KeepAlive(dst) // escapes: replaced by intrinsic. + return length, err +} + +// CopyInt32SliceOut copies a slice of int32 objects to the task's memory. +//go:nosplit +func CopyInt32SliceOut(cc marshal.CopyContext, addr usermem.Addr, src []int32) (int, error) { + count := len(src) + if count == 0 { + return 0, nil + } + size := (*Int32)(nil).SizeBytes() + + ptr := unsafe.Pointer(&src) + val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) + + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(val) + hdr.Len = size * count + hdr.Cap = size * count + + length, err := cc.CopyOutBytes(addr, buf) // escapes: okay. + // Since we bypassed the compiler's escape analysis, indicate that src + // must live until the use above. + runtime.KeepAlive(src) // escapes: replaced by intrinsic. + return length, err +} + +// MarshalUnsafeInt32Slice is like Int32.MarshalUnsafe, but for a []Int32. +func MarshalUnsafeInt32Slice(src []Int32, dst []byte) (int, error) { + count := len(src) + if count == 0 { + return 0, nil + } + size := (*Int32)(nil).SizeBytes() + + ptr := unsafe.Pointer(&src) + val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) + + length, err := safecopy.CopyIn(dst[:(size*count)], val) + // Since we bypassed the compiler's escape analysis, indicate that src + // must live until the use above. + runtime.KeepAlive(src) // escapes: replaced by intrinsic. + return length, err +} + +// UnmarshalUnsafeInt32Slice is like Int32.UnmarshalUnsafe, but for a []Int32. +func UnmarshalUnsafeInt32Slice(dst []Int32, src []byte) (int, error) { + count := len(dst) + if count == 0 { + return 0, nil + } + size := (*Int32)(nil).SizeBytes() + + ptr := unsafe.Pointer(&dst) + val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) + + length, err := safecopy.CopyOut(val, src[:(size*count)]) + // Since we bypassed the compiler's escape analysis, indicate that dst + // must live until the use above. + runtime.KeepAlive(dst) // escapes: replaced by intrinsic. + return length, err +} + +// SizeBytes implements marshal.Marshallable.SizeBytes. +//go:nosplit +func (i *Int64) SizeBytes() int { + return 8 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (i *Int64) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(*i)) +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (i *Int64) UnmarshalBytes(src []byte) { + *i = Int64(int64(usermem.ByteOrder.Uint64(src[:8]))) +} + +// Packed implements marshal.Marshallable.Packed. +//go:nosplit +func (i *Int64) Packed() bool { + // Scalar newtypes are always packed. + return true +} + +// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. +func (i *Int64) MarshalUnsafe(dst []byte) { + safecopy.CopyIn(dst, unsafe.Pointer(i)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (i *Int64) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(i), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (i *Int64) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) { + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i))) + hdr.Len = i.SizeBytes() + hdr.Cap = i.SizeBytes() + + length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay. + // Since we bypassed the compiler's escape analysis, indicate that i + // must live until the use above. + runtime.KeepAlive(i) // escapes: replaced by intrinsic. + return length, err +} + +// CopyOut implements marshal.Marshallable.CopyOut. +//go:nosplit +func (i *Int64) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { + return i.CopyOutN(cc, addr, i.SizeBytes()) +} + +// CopyIn implements marshal.Marshallable.CopyIn. +//go:nosplit +func (i *Int64) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i))) + hdr.Len = i.SizeBytes() + hdr.Cap = i.SizeBytes() + + length, err := cc.CopyInBytes(addr, buf) // escapes: okay. + // Since we bypassed the compiler's escape analysis, indicate that i + // must live until the use above. + runtime.KeepAlive(i) // escapes: replaced by intrinsic. + return length, err +} + +// WriteTo implements io.WriterTo.WriteTo. +func (i *Int64) WriteTo(w io.Writer) (int64, error) { + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i))) + hdr.Len = i.SizeBytes() + hdr.Cap = i.SizeBytes() + + length, err := w.Write(buf) + // Since we bypassed the compiler's escape analysis, indicate that i + // must live until the use above. + runtime.KeepAlive(i) // escapes: replaced by intrinsic. + return int64(length), err +} + +// CopyInt64SliceIn copies in a slice of int64 objects from the task's memory. +//go:nosplit +func CopyInt64SliceIn(cc marshal.CopyContext, addr usermem.Addr, dst []int64) (int, error) { + count := len(dst) + if count == 0 { + return 0, nil + } + size := (*Int64)(nil).SizeBytes() + + ptr := unsafe.Pointer(&dst) + val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) + + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(val) + hdr.Len = size * count + hdr.Cap = size * count + + length, err := cc.CopyInBytes(addr, buf) // escapes: okay. + // Since we bypassed the compiler's escape analysis, indicate that dst + // must live until the use above. + runtime.KeepAlive(dst) // escapes: replaced by intrinsic. + return length, err +} + +// CopyInt64SliceOut copies a slice of int64 objects to the task's memory. +//go:nosplit +func CopyInt64SliceOut(cc marshal.CopyContext, addr usermem.Addr, src []int64) (int, error) { + count := len(src) + if count == 0 { + return 0, nil + } + size := (*Int64)(nil).SizeBytes() + + ptr := unsafe.Pointer(&src) + val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) + + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(val) + hdr.Len = size * count + hdr.Cap = size * count + + length, err := cc.CopyOutBytes(addr, buf) // escapes: okay. + // Since we bypassed the compiler's escape analysis, indicate that src + // must live until the use above. + runtime.KeepAlive(src) // escapes: replaced by intrinsic. + return length, err +} + +// MarshalUnsafeInt64Slice is like Int64.MarshalUnsafe, but for a []Int64. +func MarshalUnsafeInt64Slice(src []Int64, dst []byte) (int, error) { + count := len(src) + if count == 0 { + return 0, nil + } + size := (*Int64)(nil).SizeBytes() + + ptr := unsafe.Pointer(&src) + val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) + + length, err := safecopy.CopyIn(dst[:(size*count)], val) + // Since we bypassed the compiler's escape analysis, indicate that src + // must live until the use above. + runtime.KeepAlive(src) // escapes: replaced by intrinsic. + return length, err +} + +// UnmarshalUnsafeInt64Slice is like Int64.UnmarshalUnsafe, but for a []Int64. +func UnmarshalUnsafeInt64Slice(dst []Int64, src []byte) (int, error) { + count := len(dst) + if count == 0 { + return 0, nil + } + size := (*Int64)(nil).SizeBytes() + + ptr := unsafe.Pointer(&dst) + val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) + + length, err := safecopy.CopyOut(val, src[:(size*count)]) + // Since we bypassed the compiler's escape analysis, indicate that dst + // must live until the use above. + runtime.KeepAlive(dst) // escapes: replaced by intrinsic. + return length, err +} + +// SizeBytes implements marshal.Marshallable.SizeBytes. +//go:nosplit +func (i *Int8) SizeBytes() int { + return 1 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (i *Int8) MarshalBytes(dst []byte) { + dst[0] = byte(*i) +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (i *Int8) UnmarshalBytes(src []byte) { + *i = Int8(int8(src[0])) +} + +// Packed implements marshal.Marshallable.Packed. +//go:nosplit +func (i *Int8) Packed() bool { + // Scalar newtypes are always packed. + return true +} + +// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. +func (i *Int8) MarshalUnsafe(dst []byte) { + safecopy.CopyIn(dst, unsafe.Pointer(i)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (i *Int8) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(i), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (i *Int8) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) { + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i))) + hdr.Len = i.SizeBytes() + hdr.Cap = i.SizeBytes() + + length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay. + // Since we bypassed the compiler's escape analysis, indicate that i + // must live until the use above. + runtime.KeepAlive(i) // escapes: replaced by intrinsic. + return length, err +} + +// CopyOut implements marshal.Marshallable.CopyOut. +//go:nosplit +func (i *Int8) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) { + return i.CopyOutN(cc, addr, i.SizeBytes()) +} + +// CopyIn implements marshal.Marshallable.CopyIn. +//go:nosplit +func (i *Int8) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) { + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i))) + hdr.Len = i.SizeBytes() + hdr.Cap = i.SizeBytes() + + length, err := cc.CopyInBytes(addr, buf) // escapes: okay. + // Since we bypassed the compiler's escape analysis, indicate that i + // must live until the use above. + runtime.KeepAlive(i) // escapes: replaced by intrinsic. + return length, err +} + +// WriteTo implements io.WriterTo.WriteTo. +func (i *Int8) WriteTo(w io.Writer) (int64, error) { + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i))) + hdr.Len = i.SizeBytes() + hdr.Cap = i.SizeBytes() + + length, err := w.Write(buf) + // Since we bypassed the compiler's escape analysis, indicate that i + // must live until the use above. + runtime.KeepAlive(i) // escapes: replaced by intrinsic. + return int64(length), err +} + +// CopyInt8SliceIn copies in a slice of int8 objects from the task's memory. +//go:nosplit +func CopyInt8SliceIn(cc marshal.CopyContext, addr usermem.Addr, dst []int8) (int, error) { + count := len(dst) + if count == 0 { + return 0, nil + } + size := (*Int8)(nil).SizeBytes() + + ptr := unsafe.Pointer(&dst) + val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) + + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(val) + hdr.Len = size * count + hdr.Cap = size * count + + length, err := cc.CopyInBytes(addr, buf) // escapes: okay. + // Since we bypassed the compiler's escape analysis, indicate that dst + // must live until the use above. + runtime.KeepAlive(dst) // escapes: replaced by intrinsic. + return length, err +} + +// CopyInt8SliceOut copies a slice of int8 objects to the task's memory. +//go:nosplit +func CopyInt8SliceOut(cc marshal.CopyContext, addr usermem.Addr, src []int8) (int, error) { + count := len(src) + if count == 0 { + return 0, nil + } + size := (*Int8)(nil).SizeBytes() + + ptr := unsafe.Pointer(&src) + val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) + + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(val) + hdr.Len = size * count + hdr.Cap = size * count + + length, err := cc.CopyOutBytes(addr, buf) // escapes: okay. + // Since we bypassed the compiler's escape analysis, indicate that src + // must live until the use above. + runtime.KeepAlive(src) // escapes: replaced by intrinsic. + return length, err +} + +// MarshalUnsafeInt8Slice is like Int8.MarshalUnsafe, but for a []Int8. +func MarshalUnsafeInt8Slice(src []Int8, dst []byte) (int, error) { + count := len(src) + if count == 0 { + return 0, nil + } + size := (*Int8)(nil).SizeBytes() + + ptr := unsafe.Pointer(&src) + val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) + + length, err := safecopy.CopyIn(dst[:(size*count)], val) + // Since we bypassed the compiler's escape analysis, indicate that src + // must live until the use above. + runtime.KeepAlive(src) // escapes: replaced by intrinsic. + return length, err +} + +// UnmarshalUnsafeInt8Slice is like Int8.UnmarshalUnsafe, but for a []Int8. +func UnmarshalUnsafeInt8Slice(dst []Int8, src []byte) (int, error) { + count := len(dst) + if count == 0 { + return 0, nil + } + size := (*Int8)(nil).SizeBytes() + + ptr := unsafe.Pointer(&dst) + val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) + + length, err := safecopy.CopyOut(val, src[:(size*count)]) + // Since we bypassed the compiler's escape analysis, indicate that dst + // must live until the use above. + runtime.KeepAlive(dst) // escapes: replaced by intrinsic. + return length, err +} + +// SizeBytes implements marshal.Marshallable.SizeBytes. +//go:nosplit +func (u *Uint16) SizeBytes() int { + return 2 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (u *Uint16) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint16(dst[:2], uint16(*u)) +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (u *Uint16) UnmarshalBytes(src []byte) { + *u = Uint16(uint16(usermem.ByteOrder.Uint16(src[:2]))) +} + +// Packed implements marshal.Marshallable.Packed. +//go:nosplit +func (u *Uint16) Packed() bool { + // Scalar newtypes are always packed. + return true +} + +// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. +func (u *Uint16) MarshalUnsafe(dst []byte) { + safecopy.CopyIn(dst, unsafe.Pointer(u)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (u *Uint16) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(u), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (u *Uint16) 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(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 *Uint16) 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 *Uint16) 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(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 *Uint16) WriteTo(w io.Writer) (int64, error) { + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(u))) + hdr.Len = u.SizeBytes() + hdr.Cap = u.SizeBytes() + + length, err := w.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 +} + +// CopyUint16SliceIn copies in a slice of uint16 objects from the task's memory. +//go:nosplit +func CopyUint16SliceIn(cc marshal.CopyContext, addr usermem.Addr, dst []uint16) (int, error) { + count := len(dst) + if count == 0 { + return 0, nil + } + size := (*Uint16)(nil).SizeBytes() + + ptr := unsafe.Pointer(&dst) + val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) + + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(val) + hdr.Len = size * count + hdr.Cap = size * count + + length, err := cc.CopyInBytes(addr, buf) // escapes: okay. + // Since we bypassed the compiler's escape analysis, indicate that dst + // must live until the use above. + runtime.KeepAlive(dst) // escapes: replaced by intrinsic. + return length, err +} + +// CopyUint16SliceOut copies a slice of uint16 objects to the task's memory. +//go:nosplit +func CopyUint16SliceOut(cc marshal.CopyContext, addr usermem.Addr, src []uint16) (int, error) { + count := len(src) + if count == 0 { + return 0, nil + } + size := (*Uint16)(nil).SizeBytes() + + ptr := unsafe.Pointer(&src) + val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) + + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(val) + hdr.Len = size * count + hdr.Cap = size * count + + length, err := cc.CopyOutBytes(addr, buf) // escapes: okay. + // Since we bypassed the compiler's escape analysis, indicate that src + // must live until the use above. + runtime.KeepAlive(src) // escapes: replaced by intrinsic. + return length, err +} + +// MarshalUnsafeUint16Slice is like Uint16.MarshalUnsafe, but for a []Uint16. +func MarshalUnsafeUint16Slice(src []Uint16, dst []byte) (int, error) { + count := len(src) + if count == 0 { + return 0, nil + } + size := (*Uint16)(nil).SizeBytes() + + ptr := unsafe.Pointer(&src) + val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) + + length, err := safecopy.CopyIn(dst[:(size*count)], val) + // Since we bypassed the compiler's escape analysis, indicate that src + // must live until the use above. + runtime.KeepAlive(src) // escapes: replaced by intrinsic. + return length, err +} + +// UnmarshalUnsafeUint16Slice is like Uint16.UnmarshalUnsafe, but for a []Uint16. +func UnmarshalUnsafeUint16Slice(dst []Uint16, src []byte) (int, error) { + count := len(dst) + if count == 0 { + return 0, nil + } + size := (*Uint16)(nil).SizeBytes() + + ptr := unsafe.Pointer(&dst) + val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) + + length, err := safecopy.CopyOut(val, src[:(size*count)]) + // Since we bypassed the compiler's escape analysis, indicate that dst + // must live until the use above. + runtime.KeepAlive(dst) // escapes: replaced by intrinsic. + return length, err +} + +// SizeBytes implements marshal.Marshallable.SizeBytes. +//go:nosplit +func (u *Uint32) SizeBytes() int { + return 4 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (u *Uint32) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint32(dst[:4], uint32(*u)) +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (u *Uint32) UnmarshalBytes(src []byte) { + *u = Uint32(uint32(usermem.ByteOrder.Uint32(src[:4]))) +} + +// Packed implements marshal.Marshallable.Packed. +//go:nosplit +func (u *Uint32) Packed() bool { + // Scalar newtypes are always packed. + return true +} + +// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. +func (u *Uint32) MarshalUnsafe(dst []byte) { + safecopy.CopyIn(dst, unsafe.Pointer(u)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (u *Uint32) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(u), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (u *Uint32) 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(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 *Uint32) 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 *Uint32) 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(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 *Uint32) WriteTo(w io.Writer) (int64, error) { + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(u))) + hdr.Len = u.SizeBytes() + hdr.Cap = u.SizeBytes() + + length, err := w.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 +} + +// CopyUint32SliceIn copies in a slice of uint32 objects from the task's memory. +//go:nosplit +func CopyUint32SliceIn(cc marshal.CopyContext, addr usermem.Addr, dst []uint32) (int, error) { + count := len(dst) + if count == 0 { + return 0, nil + } + size := (*Uint32)(nil).SizeBytes() + + ptr := unsafe.Pointer(&dst) + val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) + + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(val) + hdr.Len = size * count + hdr.Cap = size * count + + length, err := cc.CopyInBytes(addr, buf) // escapes: okay. + // Since we bypassed the compiler's escape analysis, indicate that dst + // must live until the use above. + runtime.KeepAlive(dst) // escapes: replaced by intrinsic. + return length, err +} + +// CopyUint32SliceOut copies a slice of uint32 objects to the task's memory. +//go:nosplit +func CopyUint32SliceOut(cc marshal.CopyContext, addr usermem.Addr, src []uint32) (int, error) { + count := len(src) + if count == 0 { + return 0, nil + } + size := (*Uint32)(nil).SizeBytes() + + ptr := unsafe.Pointer(&src) + val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) + + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(val) + hdr.Len = size * count + hdr.Cap = size * count + + length, err := cc.CopyOutBytes(addr, buf) // escapes: okay. + // Since we bypassed the compiler's escape analysis, indicate that src + // must live until the use above. + runtime.KeepAlive(src) // escapes: replaced by intrinsic. + return length, err +} + +// MarshalUnsafeUint32Slice is like Uint32.MarshalUnsafe, but for a []Uint32. +func MarshalUnsafeUint32Slice(src []Uint32, dst []byte) (int, error) { + count := len(src) + if count == 0 { + return 0, nil + } + size := (*Uint32)(nil).SizeBytes() + + ptr := unsafe.Pointer(&src) + val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) + + length, err := safecopy.CopyIn(dst[:(size*count)], val) + // Since we bypassed the compiler's escape analysis, indicate that src + // must live until the use above. + runtime.KeepAlive(src) // escapes: replaced by intrinsic. + return length, err +} + +// UnmarshalUnsafeUint32Slice is like Uint32.UnmarshalUnsafe, but for a []Uint32. +func UnmarshalUnsafeUint32Slice(dst []Uint32, src []byte) (int, error) { + count := len(dst) + if count == 0 { + return 0, nil + } + size := (*Uint32)(nil).SizeBytes() + + ptr := unsafe.Pointer(&dst) + val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) + + length, err := safecopy.CopyOut(val, src[:(size*count)]) + // Since we bypassed the compiler's escape analysis, indicate that dst + // must live until the use above. + runtime.KeepAlive(dst) // escapes: replaced by intrinsic. + return length, err +} + +// SizeBytes implements marshal.Marshallable.SizeBytes. +//go:nosplit +func (u *Uint64) SizeBytes() int { + return 8 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (u *Uint64) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(*u)) +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (u *Uint64) UnmarshalBytes(src []byte) { + *u = Uint64(uint64(usermem.ByteOrder.Uint64(src[:8]))) +} + +// Packed implements marshal.Marshallable.Packed. +//go:nosplit +func (u *Uint64) Packed() bool { + // Scalar newtypes are always packed. + return true +} + +// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. +func (u *Uint64) MarshalUnsafe(dst []byte) { + safecopy.CopyIn(dst, unsafe.Pointer(u)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (u *Uint64) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(u), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (u *Uint64) 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(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 *Uint64) 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 *Uint64) 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(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 *Uint64) WriteTo(w io.Writer) (int64, error) { + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(u))) + hdr.Len = u.SizeBytes() + hdr.Cap = u.SizeBytes() + + length, err := w.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 +} + +// CopyUint64SliceIn copies in a slice of uint64 objects from the task's memory. +//go:nosplit +func CopyUint64SliceIn(cc marshal.CopyContext, addr usermem.Addr, dst []uint64) (int, error) { + count := len(dst) + if count == 0 { + return 0, nil + } + size := (*Uint64)(nil).SizeBytes() + + ptr := unsafe.Pointer(&dst) + val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) + + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(val) + hdr.Len = size * count + hdr.Cap = size * count + + length, err := cc.CopyInBytes(addr, buf) // escapes: okay. + // Since we bypassed the compiler's escape analysis, indicate that dst + // must live until the use above. + runtime.KeepAlive(dst) // escapes: replaced by intrinsic. + return length, err +} + +// CopyUint64SliceOut copies a slice of uint64 objects to the task's memory. +//go:nosplit +func CopyUint64SliceOut(cc marshal.CopyContext, addr usermem.Addr, src []uint64) (int, error) { + count := len(src) + if count == 0 { + return 0, nil + } + size := (*Uint64)(nil).SizeBytes() + + ptr := unsafe.Pointer(&src) + val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) + + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(val) + hdr.Len = size * count + hdr.Cap = size * count + + length, err := cc.CopyOutBytes(addr, buf) // escapes: okay. + // Since we bypassed the compiler's escape analysis, indicate that src + // must live until the use above. + runtime.KeepAlive(src) // escapes: replaced by intrinsic. + return length, err +} + +// MarshalUnsafeUint64Slice is like Uint64.MarshalUnsafe, but for a []Uint64. +func MarshalUnsafeUint64Slice(src []Uint64, dst []byte) (int, error) { + count := len(src) + if count == 0 { + return 0, nil + } + size := (*Uint64)(nil).SizeBytes() + + ptr := unsafe.Pointer(&src) + val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) + + length, err := safecopy.CopyIn(dst[:(size*count)], val) + // Since we bypassed the compiler's escape analysis, indicate that src + // must live until the use above. + runtime.KeepAlive(src) // escapes: replaced by intrinsic. + return length, err +} + +// UnmarshalUnsafeUint64Slice is like Uint64.UnmarshalUnsafe, but for a []Uint64. +func UnmarshalUnsafeUint64Slice(dst []Uint64, src []byte) (int, error) { + count := len(dst) + if count == 0 { + return 0, nil + } + size := (*Uint64)(nil).SizeBytes() + + ptr := unsafe.Pointer(&dst) + val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) + + length, err := safecopy.CopyOut(val, src[:(size*count)]) + // Since we bypassed the compiler's escape analysis, indicate that dst + // must live until the use above. + runtime.KeepAlive(dst) // escapes: replaced by intrinsic. + return length, err +} + +// SizeBytes implements marshal.Marshallable.SizeBytes. +//go:nosplit +func (u *Uint8) SizeBytes() int { + return 1 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (u *Uint8) MarshalBytes(dst []byte) { + dst[0] = byte(*u) +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (u *Uint8) UnmarshalBytes(src []byte) { + *u = Uint8(uint8(src[0])) +} + +// Packed implements marshal.Marshallable.Packed. +//go:nosplit +func (u *Uint8) Packed() bool { + // Scalar newtypes are always packed. + return true +} + +// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. +func (u *Uint8) MarshalUnsafe(dst []byte) { + safecopy.CopyIn(dst, unsafe.Pointer(u)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (u *Uint8) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(u), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (u *Uint8) 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(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 *Uint8) 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 *Uint8) 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(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 *Uint8) WriteTo(w io.Writer) (int64, error) { + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(u))) + hdr.Len = u.SizeBytes() + hdr.Cap = u.SizeBytes() + + length, err := w.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 +} + +// CopyUint8SliceIn copies in a slice of uint8 objects from the task's memory. +//go:nosplit +func CopyUint8SliceIn(cc marshal.CopyContext, addr usermem.Addr, dst []uint8) (int, error) { + count := len(dst) + if count == 0 { + return 0, nil + } + size := (*Uint8)(nil).SizeBytes() + + ptr := unsafe.Pointer(&dst) + val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) + + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(val) + hdr.Len = size * count + hdr.Cap = size * count + + length, err := cc.CopyInBytes(addr, buf) // escapes: okay. + // Since we bypassed the compiler's escape analysis, indicate that dst + // must live until the use above. + runtime.KeepAlive(dst) // escapes: replaced by intrinsic. + return length, err +} + +// CopyUint8SliceOut copies a slice of uint8 objects to the task's memory. +//go:nosplit +func CopyUint8SliceOut(cc marshal.CopyContext, addr usermem.Addr, src []uint8) (int, error) { + count := len(src) + if count == 0 { + return 0, nil + } + size := (*Uint8)(nil).SizeBytes() + + ptr := unsafe.Pointer(&src) + val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) + + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(val) + hdr.Len = size * count + hdr.Cap = size * count + + length, err := cc.CopyOutBytes(addr, buf) // escapes: okay. + // Since we bypassed the compiler's escape analysis, indicate that src + // must live until the use above. + runtime.KeepAlive(src) // escapes: replaced by intrinsic. + return length, err +} + +// MarshalUnsafeUint8Slice is like Uint8.MarshalUnsafe, but for a []Uint8. +func MarshalUnsafeUint8Slice(src []Uint8, dst []byte) (int, error) { + count := len(src) + if count == 0 { + return 0, nil + } + size := (*Uint8)(nil).SizeBytes() + + ptr := unsafe.Pointer(&src) + val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) + + length, err := safecopy.CopyIn(dst[:(size*count)], val) + // Since we bypassed the compiler's escape analysis, indicate that src + // must live until the use above. + runtime.KeepAlive(src) // escapes: replaced by intrinsic. + return length, err +} + +// UnmarshalUnsafeUint8Slice is like Uint8.UnmarshalUnsafe, but for a []Uint8. +func UnmarshalUnsafeUint8Slice(dst []Uint8, src []byte) (int, error) { + count := len(dst) + if count == 0 { + return 0, nil + } + size := (*Uint8)(nil).SizeBytes() + + ptr := unsafe.Pointer(&dst) + val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) + + length, err := safecopy.CopyOut(val, src[:(size*count)]) + // Since we bypassed the compiler's escape analysis, indicate that dst + // must live until the use above. + runtime.KeepAlive(dst) // escapes: replaced by intrinsic. + return length, err +} + diff --git a/pkg/marshal/primitive/primitive_state_autogen.go b/pkg/marshal/primitive/primitive_state_autogen.go new file mode 100644 index 000000000..f9db3a918 --- /dev/null +++ b/pkg/marshal/primitive/primitive_state_autogen.go @@ -0,0 +1,3 @@ +// automatically generated by stateify. + +package primitive |