SYS_KMQ_TIMEDRECEIVE         = 459 // { int kmq_timedreceive(int mqd, char *msg_ptr, size_t msg_len, unsigned *msg_prio, const struct timespec *abs_timeout); }
	SYS_KMQ_TIMEDSEND            = 460 // { int kmq_timedsend(int mqd, const char *msg_ptr, size_t msg_len, unsigned msg_prio, const struct timespec *abs_timeout); }

	SYS_KMQ_TIMEDRECEIVE         = 459 // { int kmq_timedreceive(int mqd,	char *msg_ptr, size_t msg_len,	unsigned *msg_prio,			const struct timespec *abs_timeout); }
	SYS_KMQ_TIMEDSEND            = 460 // { int kmq_timedsend(int mqd,		const char *msg_ptr, size_t msg_len,unsigned msg_prio,			const struct timespec *abs_timeout);}

	return osreldate >= ver
}

type SockaddrDatalink struct {
	Len    uint8
	Family uint8
	Index  uint16
	Type   uint8
	Nlen   uint8
	Alen   uint8
	Slen   uint8
	Data   [12]int8
	Rcf    uint16
	Route  [16]uint16
	raw    RawSockaddrDatalink
}

// Translate "kern.hostname" to []_C_int{0,1,2,3}.
func nametomib(name string) (mib []_C_int, err error) {

				continue
			}
			fmt.Fprintln(w, "{")
			fmt.Fprintf(w, "name:\"%s\",\n", v.name)

			// flags
			if v.aux != "" {
				fmt.Fprintf(w, "auxType: aux%s,\n", v.aux)
			}
			fmt.Fprintf(w, "argLen: %d,\n", v.argLength)

			if v.rematerializeable {
				if v.reg.clobbers != 0 {
					log.Fatalf("%s is rematerializeable and clobbers registers", v.name)
				}
				if v.clobberFlags {

// for each architecture.
type Op int32

type opInfo struct {
	name              string
	reg               regInfo
	auxType           auxType
	argLen            int32 // the number of arguments, -1 if variable length
	asm               obj.As
	generic           bool      // this is a generic (arch-independent) opcode
	rematerializeable bool      // this op is rematerializeable

//sys	sendmsg(s int, msg *Msghdr, flags int) (n int, err error) = libsocket.__xnet_sendmsg

func sendmsgN(fd int, iov []Iovec, oob []byte, ptr unsafe.Pointer, salen _Socklen, flags int) (n int, err error) {
	var msg Msghdr
	msg.Name = (*byte)(unsafe.Pointer(ptr))
	msg.Namelen = uint32(salen)
	var dummy byte
	var empty bool
	if len(oob) > 0 {
		// send at least one normal byte
		empty = emptyIovecs(iov)
		if empty {

	cleanup = func() {} // no cleanup by default

	var argLen int
	for _, arg := range cmd.Args {
		argLen += len(arg)
	}

	// If we're not approaching 32KB of args, just pass args normally.
	// (use 30KB instead to be conservative; not sure how accounting is done)
	if !useResponseFile(cmd.Path, argLen) {
		return
	}

	tf, err := os.CreateTemp("", "args")
	if err != nil {

		return
	}
	oobn = int(msg.Controllen)
	recvflags = int(msg.Flags)
	return
}

func sendmsgN(fd int, p, oob []byte, ptr unsafe.Pointer, salen _Socklen, flags int) (n int, err error) {
	var msg Msghdr
	msg.Name = (*byte)(ptr)
	msg.Namelen = uint32(salen)
	var iov Iovec
	if len(p) > 0 {
		iov.Base = &p[0]
		iov.SetLen(len(p))
	}
	var dummy byte
	if len(oob) > 0 {
		if len(p) == 0 {

		slice := ir.NewSliceExpr(base.Pos, ir.OSLICE, s, idx, nil, nil)
		slice.SetType(s.Type())
		slice.SetBounded(true)

		ir.CurFunc.SetWBPos(n.Pos())

		// instantiate typedslicecopy(typ *type, dstPtr *any, dstLen int, srcPtr *any, srcLen int) int
		fn := typecheck.LookupRuntime("typedslicecopy", l1.Type().Elem(), l2.Type().Elem())
		ptr1, len1 := backingArrayPtrLen(cheapExpr(slice, &nodes))
		ptr2, len2 := backingArrayPtrLen(l2)

	VN     MOD26, d2, d2     // [in0₂₆[2], in1₂₆[2]]

// func updateVX(state *macState, msg []byte)
TEXT ·updateVX(SB), NOSPLIT, $0
	MOVD state+0(FP), R1
	LMG  msg+8(FP), R2, R3 // R2=msg_base, R3=msg_len

	// load EX0, EX1 and EX2
	MOVD $·constants<>(SB), R5
	VLM  (R5), EX0, EX2

	// generate masks
	VGMG $(64-24), $63, MOD24 // [0x00ffffff, 0x00ffffff]
	VGMG $(64-26), $63, MOD26 // [0x03ffffff, 0x03ffffff]