func sigignore(uint32)               {}

// Stubs so tests can link correctly. These should never be called.
func open(name *byte, mode, perm int32) int32        { panic("not implemented") }
func closefd(fd int32) int32                         { panic("not implemented") }

func thrkill(tid int32, sig int)

// read calls the read system call.
// It returns a non-negative number of bytes written or a negative errno value.
func read(fd int32, p unsafe.Pointer, n int32) int32

func closefd(fd int32) int32

func exit(code int32)
func usleep(usec uint32)

//go:nosplit
func usleep_no_g(usec uint32) {
	usleep(usec)
}

// write1 calls the write system call.

}

var urandom_dev = []byte("/dev/urandom\x00")

//go:nosplit
func readRandom(r []byte) int {
	fd := open(&urandom_dev[0], 0 /* O_RDONLY */, 0)
	n := read(fd, unsafe.Pointer(&r[0]), int32(len(r)))
	closefd(fd)
	return int(n)
}

func goenvs() {
	goenvs_unix()
}

// Called to initialize a new m (including the bootstrap m).

}

var urandom_dev = []byte("/dev/urandom\x00")

//go:nosplit
func readRandom(r []byte) int {
	fd := open(&urandom_dev[0], 0 /* O_RDONLY */, 0)
	n := read(fd, unsafe.Pointer(&r[0]), int32(len(r)))
	closefd(fd)
	return int(n)
}

func goenvs() {
	goenvs_unix()
}

// Called to initialize a new m (including the bootstrap m).

//go:linkname syscall_chroot1 syscall.chroot1
//go:nosplit
func syscall_chroot1(path uintptr) (err uintptr) {
	_, err = syscall1(&libc_chroot, path)
	return
}

// like close, but must not split stack, for fork.
//
//go:linkname syscall_closeFD syscall.closeFD
//go:nosplit
func syscall_closeFD(fd int32) int32 {
	_, err := syscall1(&libc_close, uintptr(fd))
	return int32(err)
}

	}
}

var urandom_dev = []byte("/dev/urandom\x00")

//go:nosplit
func readRandom(r []byte) int {
	fd := open(&urandom_dev[0], 0 /* O_RDONLY */, 0)
	n := read(fd, unsafe.Pointer(&r[0]), int32(len(r)))
	closefd(fd)
	return int(n)
}

func goenvs() {
	goenvs_unix()
}

// Called to initialize a new m (including the bootstrap m).

	ret = libcCall(unsafe.Pointer(abi.FuncPCABI0(open_trampoline)), unsafe.Pointer(&name))
	KeepAlive(name)
	return
}
func open_trampoline()

//go:nosplit
//go:cgo_unsafe_args
func closefd(fd int32) int32 {
	return libcCall(unsafe.Pointer(abi.FuncPCABI0(close_trampoline)), unsafe.Pointer(&fd))
}
func close_trampoline()

//go:nosplit
//go:cgo_unsafe_args

	MOVW	0(R13), R1
	MOVW	R0, 0(R13)
	MOVW.W	R1, -4(R13)
	MOVW	$SYS_SEEK, R0
	SWI	$0
	MOVW.W	R1, 4(R13)
	CMP	$-1, R0
	MOVW.EQ	R0, ret_lo+16(FP)
	MOVW.EQ	R0, ret_hi+20(FP)
	RET

//func closefd(fd int32) int32
TEXT runtime·closefd(SB),NOSPLIT,$0-8
	MOVW	$SYS_CLOSE, R0
	SWI	$0
	MOVW	R0, ret+4(FP)
	RET

//func exits(msg *byte)
TEXT runtime·exits(SB),NOSPLIT,$0-4
	MOVW    $SYS_EXITS, R0
	SWI	$0

}

var urandom_dev = []byte("/dev/urandom\x00")

//go:nosplit
func readRandom(r []byte) int {
	fd := open(&urandom_dev[0], 0 /* O_RDONLY */, 0)
	n := read(fd, unsafe.Pointer(&r[0]), int32(len(r)))
	closefd(fd)
	return int(n)
}

func goenvs() {
	goenvs_unix()
}

/* SIGNAL */

const (
	_NSIG = 256
)

// sigtramp is a function descriptor to _sigtramp defined in assembly

// in the given uncompressed zip file.
func loadTzinfoFromZip(zipfile, name string) ([]byte, error) {
	fd, err := open(zipfile)
	if err != nil {
		return nil, err
	}
	defer closefd(fd)

	const (
		zecheader = 0x06054b50
		zcheader  = 0x02014b50
		ztailsize = 22

		zheadersize = 30
		zheader     = 0x04034b50
	)

	buf := make([]byte, ztailsize)