MOVL	ureg+0(FP), CX
	MOVL	note+4(FP), DX

	// change stack
	MOVL	g_m(BX), BX
	MOVL	m_gsignal(BX), BP
	MOVL	(g_stack+stack_hi)(BP), BP
	MOVL	BP, SP

	// make room for args and g
	SUBL	$24, SP

	// save g
	MOVL	g(AX), BP
	MOVL	BP, 20(SP)

	// g = m->gsignal
	MOVL	m_gsignal(BX), DI
	MOVL	DI, g(AX)

	// load args and call sighandler
	MOVL	CX, 0(SP)
	MOVL	DX, 4(SP)

	// save args
	MOVW	ureg+0(FP), R1
	MOVW	note+4(FP), R2

	// change stack
	MOVW	m_gsignal(R0), R3
	MOVW	(g_stack+stack_hi)(R3), R13

	// make room for args, retval and g
	SUB	$24, R13

	// save g
	MOVW	g, R3
	MOVW	R3, 20(R13)

	// g = m->gsignal
	MOVW	m_gsignal(R0), g

	// load args and call sighandler
	ADD	$4,R13,R5
	MOVM.IA	[R1-R3], (R5)

	// save args
	MOVQ	ureg+0(FP), CX
	MOVQ	note+8(FP), DX

	// change stack
	MOVQ	g_m(BX), BX
	MOVQ	m_gsignal(BX), R10
	MOVQ	(g_stack+stack_hi)(R10), BP
	MOVQ	BP, SP

	// make room for args and g
	SUBQ	$128, SP

	// save g
	MOVQ	g(AX), BP
	MOVQ	BP, 32(SP)

	// g = m->gsignal
	MOVQ	R10, g(AX)

	// load args and call sighandler
	MOVQ	CX, 0(SP)
	MOVQ	DX, 8(SP)
	MOVQ	BP, 16(SP)

//
// Ensure mayMoreStackPreempt can be called for all ABIs.
//
//go:nosplit
//go:linkname mayMoreStackPreempt
func mayMoreStackPreempt() {
	// Don't do anything on the g0 or gsignal stack.
	gp := getg()
	if gp == gp.m.g0 || gp == gp.m.gsignal {
		return
	}
	// Force a preemption, unless the stack is already poisoned.
	if gp.stackguard0 < stackPoisonMin {
		gp.stackguard0 = stackPreempt
	}
}

	// exchange!)
	var l *dlogger
	if getg() != mp.gsignal {
		l = mp.dlogCache
		mp.dlogCache = nil
	}
	releasem(mp)
	return l
}

// putCachedDlogger attempts to return l to the local cache. It
// returns false if this fails.
func putCachedDlogger(l *dlogger) bool {
	mp := acquirem()
	if getg() != mp.gsignal && mp.dlogCache == nil {
		mp.dlogCache = l
		releasem(mp)
		return true
	}

	grep -v 'SIGSTKSIZE\|SIGSTKSZ\|SIGRT' |
	sort >_signal.grep

echo '// mkerrors.sh' "$@"
echo '// Code generated by the command above; DO NOT EDIT.'
echo
go tool cgo -godefs -- "$@" _const.go >_error.out
cat _error.out | grep -vf _error.grep | grep -vf _signal.grep
echo
echo '// Errors'
echo 'const ('

}

type sigset struct{}

// Called to initialize a new m (including the bootstrap m).
// Called on the parent thread (main thread in case of bootstrap), can allocate memory.
func mpreinit(mp *m) {
	mp.gsignal = malg(32 * 1024)
	mp.gsignal.m = mp
}

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

//go:nosplit
func sigsave(p *sigset) {
}

//go:nosplit
func msigrestore(sigmask sigset) {
}

	"internal/goarch"
	"internal/stringslite"
	"unsafe"
)

// May run during STW, so write barriers are not allowed.
//
//go:nowritebarrierrec
func sighandler(_ureg *ureg, note *byte, gp *g) int {
	gsignal := getg()
	mp := gsignal.m

	var t sigTabT
	var docrash bool
	var sig int
	var flags int
	var level int32

	c := &sigctxt{_ureg}
	notestr := gostringnocopy(note)

func mpreinit(mp *m) {
	gsignalSize := int32(32 * 1024)
	if GOARCH == "mips64" {
		gsignalSize = int32(64 * 1024)
	}
	mp.gsignal = malg(gsignalSize)
	mp.gsignal.m = mp
}

// Called to initialize a new m (including the bootstrap m).
// Called on the new thread, can not allocate memory.
func minit() {
	getg().m.procid = uint64(getthrid())

// on the system stack. The other msan functions are fine.
//
//go:linkname msanread
//go:nosplit
func msanread(addr unsafe.Pointer, sz uintptr) {
	gp := getg()
	if gp == nil || gp.m == nil || gp == gp.m.g0 || gp == gp.m.gsignal {
		return
	}
	domsanread(addr, sz)
}

//go:noescape
func domsanread(addr unsafe.Pointer, sz uintptr)

//go:linkname msanwrite
//go:noescape
func msanwrite(addr unsafe.Pointer, sz uintptr)