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// 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 kernel
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 = (*ThreadID)(nil)
var _ marshal.Marshallable = (*vdsoParams)(nil)
// SizeBytes implements marshal.Marshallable.SizeBytes.
//go:nosplit
func (tid *ThreadID) SizeBytes() int {
return 4
}
// MarshalBytes implements marshal.Marshallable.MarshalBytes.
func (tid *ThreadID) MarshalBytes(dst []byte) {
usermem.ByteOrder.PutUint32(dst[:4], uint32(*tid))
}
// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
func (tid *ThreadID) UnmarshalBytes(src []byte) {
*tid = ThreadID(int32(usermem.ByteOrder.Uint32(src[:4])))
}
// Packed implements marshal.Marshallable.Packed.
//go:nosplit
func (tid *ThreadID) Packed() bool {
// Scalar newtypes are always packed.
return true
}
// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
func (tid *ThreadID) MarshalUnsafe(dst []byte) {
safecopy.CopyIn(dst, unsafe.Pointer(tid))
}
// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
func (tid *ThreadID) UnmarshalUnsafe(src []byte) {
safecopy.CopyOut(unsafe.Pointer(tid), src)
}
// CopyOutN implements marshal.Marshallable.CopyOutN.
//go:nosplit
func (tid *ThreadID) 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(tid)))
hdr.Len = tid.SizeBytes()
hdr.Cap = tid.SizeBytes()
length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
// Since we bypassed the compiler's escape analysis, indicate that tid
// must live until the use above.
runtime.KeepAlive(tid) // escapes: replaced by intrinsic.
return length, err
}
// CopyOut implements marshal.Marshallable.CopyOut.
//go:nosplit
func (tid *ThreadID) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) {
return tid.CopyOutN(cc, addr, tid.SizeBytes())
}
// CopyIn implements marshal.Marshallable.CopyIn.
//go:nosplit
func (tid *ThreadID) 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(tid)))
hdr.Len = tid.SizeBytes()
hdr.Cap = tid.SizeBytes()
length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
// Since we bypassed the compiler's escape analysis, indicate that tid
// must live until the use above.
runtime.KeepAlive(tid) // escapes: replaced by intrinsic.
return length, err
}
// WriteTo implements io.WriterTo.WriteTo.
func (tid *ThreadID) 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(tid)))
hdr.Len = tid.SizeBytes()
hdr.Cap = tid.SizeBytes()
length, err := w.Write(buf)
// Since we bypassed the compiler's escape analysis, indicate that tid
// must live until the use above.
runtime.KeepAlive(tid) // escapes: replaced by intrinsic.
return int64(length), err
}
// SizeBytes implements marshal.Marshallable.SizeBytes.
func (v *vdsoParams) SizeBytes() int {
return 64
}
// MarshalBytes implements marshal.Marshallable.MarshalBytes.
func (v *vdsoParams) MarshalBytes(dst []byte) {
usermem.ByteOrder.PutUint64(dst[:8], uint64(v.monotonicReady))
dst = dst[8:]
usermem.ByteOrder.PutUint64(dst[:8], uint64(v.monotonicBaseCycles))
dst = dst[8:]
usermem.ByteOrder.PutUint64(dst[:8], uint64(v.monotonicBaseRef))
dst = dst[8:]
usermem.ByteOrder.PutUint64(dst[:8], uint64(v.monotonicFrequency))
dst = dst[8:]
usermem.ByteOrder.PutUint64(dst[:8], uint64(v.realtimeReady))
dst = dst[8:]
usermem.ByteOrder.PutUint64(dst[:8], uint64(v.realtimeBaseCycles))
dst = dst[8:]
usermem.ByteOrder.PutUint64(dst[:8], uint64(v.realtimeBaseRef))
dst = dst[8:]
usermem.ByteOrder.PutUint64(dst[:8], uint64(v.realtimeFrequency))
dst = dst[8:]
}
// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
func (v *vdsoParams) UnmarshalBytes(src []byte) {
v.monotonicReady = uint64(usermem.ByteOrder.Uint64(src[:8]))
src = src[8:]
v.monotonicBaseCycles = int64(usermem.ByteOrder.Uint64(src[:8]))
src = src[8:]
v.monotonicBaseRef = int64(usermem.ByteOrder.Uint64(src[:8]))
src = src[8:]
v.monotonicFrequency = uint64(usermem.ByteOrder.Uint64(src[:8]))
src = src[8:]
v.realtimeReady = uint64(usermem.ByteOrder.Uint64(src[:8]))
src = src[8:]
v.realtimeBaseCycles = int64(usermem.ByteOrder.Uint64(src[:8]))
src = src[8:]
v.realtimeBaseRef = int64(usermem.ByteOrder.Uint64(src[:8]))
src = src[8:]
v.realtimeFrequency = uint64(usermem.ByteOrder.Uint64(src[:8]))
src = src[8:]
}
// Packed implements marshal.Marshallable.Packed.
//go:nosplit
func (v *vdsoParams) Packed() bool {
return true
}
// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
func (v *vdsoParams) MarshalUnsafe(dst []byte) {
safecopy.CopyIn(dst, unsafe.Pointer(v))
}
// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
func (v *vdsoParams) UnmarshalUnsafe(src []byte) {
safecopy.CopyOut(unsafe.Pointer(v), src)
}
// CopyOutN implements marshal.Marshallable.CopyOutN.
//go:nosplit
func (v *vdsoParams) 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(v)))
hdr.Len = v.SizeBytes()
hdr.Cap = v.SizeBytes()
length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
// Since we bypassed the compiler's escape analysis, indicate that v
// must live until the use above.
runtime.KeepAlive(v) // escapes: replaced by intrinsic.
return length, err
}
// CopyOut implements marshal.Marshallable.CopyOut.
//go:nosplit
func (v *vdsoParams) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) {
return v.CopyOutN(cc, addr, v.SizeBytes())
}
// CopyIn implements marshal.Marshallable.CopyIn.
//go:nosplit
func (v *vdsoParams) 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(v)))
hdr.Len = v.SizeBytes()
hdr.Cap = v.SizeBytes()
length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
// Since we bypassed the compiler's escape analysis, indicate that v
// must live until the use above.
runtime.KeepAlive(v) // escapes: replaced by intrinsic.
return length, err
}
// WriteTo implements io.WriterTo.WriteTo.
func (v *vdsoParams) 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(v)))
hdr.Len = v.SizeBytes()
hdr.Cap = v.SizeBytes()
length, err := writer.Write(buf)
// Since we bypassed the compiler's escape analysis, indicate that v
// must live until the use above.
runtime.KeepAlive(v) // escapes: replaced by intrinsic.
return int64(length), err
}
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