cc args...
	run the platform C compiler


cd dir
	change the working directory


chmod perm paths...
	change file mode bits

	Changes the permissions of the named files or directories to
	be equal to perm.
	Only numerical permissions are supported.

cmp [-q] file1 file2
	compare files for differences

	sysvicall2(&libc_clock_gettime, _CLOCK_MONOTONIC, uintptr(unsafe.Pointer(&ts)))
	return ts.tv_sec*1e9 + ts.tv_nsec
}

//go:nosplit
func open(path *byte, mode, perm int32) int32 {
	return int32(sysvicall3(&libc_open, uintptr(unsafe.Pointer(path)), uintptr(mode), uintptr(perm)))
}

func pthread_attr_destroy(attr *pthreadattr) int32 {
	return int32(sysvicall1(&libc_pthread_attr_destroy, uintptr(unsafe.Pointer(attr))))
}

//sys	Mknodat(fd int, path string, mode uint32, dev int) (err error)
//sys	Nanosleep(time *Timespec, leftover *Timespec) (err error)
//sys	Open(path string, mode int, perm uint32) (fd int, err error)
//sys	Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error)
//sys	Pathconf(path string, name int) (val int, err error)
//sys	read(fd int, p []byte) (n int, err error)

//sys	Mknodat(dirfd int, path string, mode uint32, dev int) (err error)
//sys	Nanosleep(time *Timespec, leftover *Timespec) (err error)
//sys	Open(path string, mode int, perm uint32) (fd int, err error)
//sys	Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error)
//sys	Pathconf(path string, name int) (val int, err error)
//sys	pread(fd int, p []byte, offset int64) (n int, err error)

// openFileNolog is the Windows implementation of OpenFile.
func openFileNolog(name string, flag int, perm FileMode) (*File, error) {
	if name == "" {
		return nil, &PathError{Op: "open", Path: name, Err: syscall.ENOENT}
	}
	path := fixLongPath(name)
	r, e := syscall.Open(path, flag|syscall.O_CLOEXEC, syscallMode(perm))
	if e != nil {
		// We should return EISDIR when we are trying to open a directory with write access.

	if err != nil {
		if os.IsNotExist(err) {
			return fmt.Errorf("SetUp() failed, volume path not created: %s", volPath)
		}
		return fmt.Errorf("SetUp() failed: %v", err)
	}
	if e, a := perm, fileinfo.Mode().Perm(); e != a {
		return fmt.Errorf("unexpected file mode for %v: expected: %v, got: %v", volPath, e, a)
	}
	return nil
}

func testTearDown(unmounter volume.Unmounter, metadataDir, volPath string) error {

                                     BoolAttr transpose_b) {
  // Transpose and constant-fold the weight if needed.
  if (transpose_b.getValue()) {
    Value perm = Create1DConstValue<int32_t>(builder, loc, {1, 0});
    auto transpose_op = builder.create<TF::TransposeOp>(loc, weight, perm);
    weight = ConstantFoldOpIfPossible(transpose_op).front();
  }

  xla::DotDimensionNumbers dnums;
  dnums.add_rhs_contracting_dimensions(0);

	FENCE
	MOVW	ZERO, (A0)
	FENCE
	MOV	$0, A0	// exit code
	MOV	$SYS_exit, A7
	ECALL
	JMP	0(PC)

// func open(name *byte, mode, perm int32) int32
TEXT runtime·open(SB),NOSPLIT|NOFRAME,$0-20
	MOV	$AT_FDCWD, A0
	MOV	name+0(FP), A1
	MOVW	mode+8(FP), A2
	MOVW	perm+12(FP), A3
	MOV	$SYS_openat, A7
	ECALL
	MOV	$-4096, T0
	BGEU	T0, A0, 2(PC)
	MOV	$-1, A0
	MOVW	A0, ret+16(FP)
	RET

	MOVW	R11, (R19)
	DBAR
	MOVW	$0, R4	// exit code
	MOVV	$SYS_exit, R11
	SYSCALL
	JMP	0(PC)

// func open(name *byte, mode, perm int32) int32
TEXT runtime·open(SB),NOSPLIT|NOFRAME,$0-20
	MOVW	$AT_FDCWD, R4 // AT_FDCWD, so this acts like open
	MOVV	name+0(FP), R5
	MOVW	mode+8(FP), R6
	MOVW	perm+12(FP), R7
	MOVV	$SYS_openat, R11
	SYSCALL
	MOVW	$-4096, R5
	BGEU	R5, R4, 2(PC)
	MOVW	$-1, R4
	MOVW	R4, ret+16(FP)
	RET

		}
		lo, err := strconv.ParseUint(loStr, 16, 64)
		if err != nil {
			continue
		}
		hi, err := strconv.ParseUint(hiStr, 16, 64)
		if err != nil {
			continue
		}
		perm := next()
		if len(perm) < 4 || perm[2] != 'x' {
			// Only interested in executable mappings.
			continue
		}
		offset, err := strconv.ParseUint(string(next()), 16, 64)
		if err != nil {
			continue
		}