throw("runtime: wrong goroutine in newstack")
	}

	gp := thisg.m.curg

	if thisg.m.curg.throwsplit {
		// Update syscallsp, syscallpc in case traceback uses them.
		morebuf := thisg.m.morebuf
		gp.syscallsp = morebuf.sp
		gp.syscallpc = morebuf.pc
		pcname, pcoff := "(unknown)", uintptr(0)
		f := findfunc(gp.sched.pc)
		if f.valid() {
			pcname = funcname(f)

	ADD	$8, R1, R3
	MOVW	$0, R4
	SYSCALL	$SYS_nanosleep
	RET

TEXT runtime·gettid(SB),NOSPLIT,$0-4
	SYSCALL	$SYS_gettid
	MOVW	R3, ret+0(FP)
	RET

TEXT runtime·raise(SB),NOSPLIT|NOFRAME,$0
	SYSCALL	$SYS_getpid
	MOVW	R3, R14
	SYSCALL	$SYS_gettid
	MOVW	R3, R4	// arg 2 tid
	MOVW	R14, R3	// arg 1 pid
	MOVW	sig+0(FP), R5	// arg 3
	SYSCALL	$SYS_tgkill
	RET

	if mp.locks != 1 || mp.mallocing != 0 || mp.throwing != throwTypeNone || mp.preemptoff != "" || mp.dying != 0 {
		releasem(mp)
		return false
	}
	status := readgstatus(gp)
	if status&^_Gscan != _Grunning || gp.syscallsp != 0 {
		releasem(mp)
		return false
	}
	if GOOS == "windows" && mp.libcallsp != 0 {
		releasem(mp)
		return false
	}
	releasem(mp)
	return true
}