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// Automatically generated marshal implementation. See tools/go_marshal.
// If there are issues with build constraint aggregation, see
// tools/go_marshal/gomarshal/generator.go:writeHeader(). The constraints 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 constraints,
// see tools/defs.bzl:calculate_sets().
//go:build amd64 || i386
// +build amd64 i386
package fpu
import (
"gvisor.dev/gvisor/pkg/gohacks"
"gvisor.dev/gvisor/pkg/hostarch"
"gvisor.dev/gvisor/pkg/marshal"
"io"
"reflect"
"runtime"
"unsafe"
)
// Marshallable types used by this file.
var _ marshal.Marshallable = (*FPSoftwareFrame)(nil)
// SizeBytes implements marshal.Marshallable.SizeBytes.
func (f *FPSoftwareFrame) SizeBytes() int {
return 20 +
4*7
}
// MarshalBytes implements marshal.Marshallable.MarshalBytes.
func (f *FPSoftwareFrame) MarshalBytes(dst []byte) []byte {
hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.Magic1))
dst = dst[4:]
hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.ExtendedSize))
dst = dst[4:]
hostarch.ByteOrder.PutUint64(dst[:8], uint64(f.Xfeatures))
dst = dst[8:]
hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.XstateSize))
dst = dst[4:]
for idx := 0; idx < 7; idx++ {
hostarch.ByteOrder.PutUint32(dst[:4], uint32(f.Padding[idx]))
dst = dst[4:]
}
return dst
}
// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
func (f *FPSoftwareFrame) UnmarshalBytes(src []byte) []byte {
f.Magic1 = uint32(hostarch.ByteOrder.Uint32(src[:4]))
src = src[4:]
f.ExtendedSize = uint32(hostarch.ByteOrder.Uint32(src[:4]))
src = src[4:]
f.Xfeatures = uint64(hostarch.ByteOrder.Uint64(src[:8]))
src = src[8:]
f.XstateSize = uint32(hostarch.ByteOrder.Uint32(src[:4]))
src = src[4:]
for idx := 0; idx < 7; idx++ {
f.Padding[idx] = uint32(hostarch.ByteOrder.Uint32(src[:4]))
src = src[4:]
}
return src
}
// Packed implements marshal.Marshallable.Packed.
//go:nosplit
func (f *FPSoftwareFrame) Packed() bool {
return true
}
// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
func (f *FPSoftwareFrame) MarshalUnsafe(dst []byte) []byte {
size := f.SizeBytes()
gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(f), uintptr(size))
return dst[size:]
}
// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
func (f *FPSoftwareFrame) UnmarshalUnsafe(src []byte) []byte {
size := f.SizeBytes()
gohacks.Memmove(unsafe.Pointer(f), unsafe.Pointer(&src[0]), uintptr(size))
return src[size:]
}
// CopyOutN implements marshal.Marshallable.CopyOutN.
func (f *FPSoftwareFrame) CopyOutN(cc marshal.CopyContext, addr hostarch.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(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.
func (f *FPSoftwareFrame) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
return f.CopyOutN(cc, addr, f.SizeBytes())
}
// CopyInN implements marshal.Marshallable.CopyInN.
func (f *FPSoftwareFrame) CopyInN(cc marshal.CopyContext, addr hostarch.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(f)))
hdr.Len = f.SizeBytes()
hdr.Cap = f.SizeBytes()
length, err := cc.CopyInBytes(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
}
// CopyIn implements marshal.Marshallable.CopyIn.
func (f *FPSoftwareFrame) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
return f.CopyInN(cc, addr, f.SizeBytes())
}
// WriteTo implements io.WriterTo.WriteTo.
func (f *FPSoftwareFrame) 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(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
}
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