I_STR     = 0x5308
	I_POP     = 0x5303
	I_PUSH    = 0x5302
	I_LINK    = 0x530c
	I_UNLINK  = 0x530d
	I_PLINK   = 0x5316
	I_PUNLINK = 0x5317

	IF_UNITSEL = -0x7ffb8cca
)

type strbuf struct {
	Maxlen int32
	Len    int32
	Buf    *int8
}

type Strioctl struct {
	Cmd    int32
	Timout int32
	Len    int32
	Dp     *int8
}

type Lifreq struct {
	Name   [32]int8

		if err := w.Close(); err != nil {
			t.Errorf("error closing writer: %v", err)
		}
	}()

	rbuf := bufio.NewReader(r)
	for i := 0; i < 3; i++ {
		write <- i
		b, err := rbuf.ReadBytes('\n')
		if err != nil {
			t.Fatal(err)
		}
		t.Logf("%s\n", bytes.TrimSpace(b))
	}

	close(write)
	b, err := rbuf.ReadBytes('\n')
	if err != io.EOF || len(b) != 0 {
		t.Errorf(`ReadBytes: %q, %v; want "", io.EOF`, b, err)

					// To present indented blocks in comments correctly, process the comment as
					// a unit before adding the leading // to each line.
					docBuf := new(bytes.Buffer)
					pkg.ToText(docBuf, field.Doc.Text(), "", indent)
					scanner := bufio.NewScanner(docBuf)
					for scanner.Scan() {
						fmt.Fprintf(&pkg.buf, "%s// %s\n", indent, scanner.Bytes())
					}
				}
				s := pkg.oneLineNode(field.Type)

    private static final boolean VERBOSE = false; // debug

    protected static final Reader ILLEGAL_STATE_READER = new Reader() {
        @Override
        public int read(final char[] cbuf, final int off, final int len) {
            throw new IllegalStateException("TokenStream contract violation: reset()/close() call missing, "
                    + "reset() called multiple times, or subclass does not call super.reset(). "

		}

		if o.negative {
			fmt.Fprintf(&errbuf, "%s:%d: %s: wrong opcode found: %q\n", t.goFileName(), o.line, env, o.opcode.String())
		} else {
			fmt.Fprintf(&errbuf, "%s:%d: %s: opcode not found: %q\n", t.goFileName(), o.line, env, o.opcode.String())
		}
	}
	return errors.New(errbuf.String())
}

// defaultRunOutputLimit returns the number of runoutput tests that

	SYS_SIGALTSTACK    = 288 // { int sys_sigaltstack(const struct sigaltstack *nss, \
	SYS_SHMGET         = 289 // { int sys_shmget(key_t key, size_t size, int shmflg); }
	SYS_SEMOP          = 290 // { int sys_semop(int semid, struct sembuf *sops, \
	SYS_FHSTAT         = 294 // { int sys_fhstat(const fhandle_t *fhp, \
	SYS___SEMCTL       = 295 // { int sys___semctl(int semid, int semnum, int cmd, \
	SYS_SHMCTL         = 296 // { int sys_shmctl(int shmid, int cmd, \

	SYS_SIGALTSTACK    = 288 // { int sys_sigaltstack(const struct sigaltstack *nss, \
	SYS_SHMGET         = 289 // { int sys_shmget(key_t key, size_t size, int shmflg); }
	SYS_SEMOP          = 290 // { int sys_semop(int semid, struct sembuf *sops, \
	SYS_FHSTAT         = 294 // { int sys_fhstat(const fhandle_t *fhp, \
	SYS___SEMCTL       = 295 // { int sys___semctl(int semid, int semnum, int cmd, \
	SYS_SHMCTL         = 296 // { int sys_shmctl(int shmid, int cmd, \

	SYS_SIGALTSTACK    = 288 // { int sys_sigaltstack(const struct sigaltstack *nss, \
	SYS_SHMGET         = 289 // { int sys_shmget(key_t key, size_t size, int shmflg); }
	SYS_SEMOP          = 290 // { int sys_semop(int semid, struct sembuf *sops, \
	SYS_FHSTAT         = 294 // { int sys_fhstat(const fhandle_t *fhp, \
	SYS___SEMCTL       = 295 // { int sys___semctl(int semid, int semnum, int cmd, \
	SYS_SHMCTL         = 296 // { int sys_shmctl(int shmid, int cmd, \

	SYS_SIGALTSTACK    = 288 // { int sys_sigaltstack(const struct sigaltstack *nss, \
	SYS_SHMGET         = 289 // { int sys_shmget(key_t key, size_t size, int shmflg); }
	SYS_SEMOP          = 290 // { int sys_semop(int semid, struct sembuf *sops, \
	SYS_FHSTAT         = 294 // { int sys_fhstat(const fhandle_t *fhp, \
	SYS___SEMCTL       = 295 // { int sys___semctl(int semid, int semnum, int cmd, \
	SYS_SHMCTL         = 296 // { int sys_shmctl(int shmid, int cmd, \

func callbackasm1()

var profiletimer uintptr

func profilem(mp *m, thread uintptr) {
	// Align Context to 16 bytes.
	var c *context
	var cbuf [unsafe.Sizeof(*c) + 15]byte
	c = (*context)(unsafe.Pointer((uintptr(unsafe.Pointer(&cbuf[15]))) &^ 15))

	c.contextflags = _CONTEXT_CONTROL
	stdcall2(_GetThreadContext, thread, uintptr(unsafe.Pointer(c)))

	gp := gFromSP(mp, c.sp())