func asmsysvicall6() // declared for vet; do NOT call

//go:nosplit
func sysvicall0(fn *libcFunc) uintptr {
	// Leave caller's PC/SP around for traceback.
	gp := getg()
	var mp *m
	if gp != nil {
		mp = gp.m
	}
	if mp != nil && mp.libcallsp == 0 {
		mp.libcallg.set(gp)
		mp.libcallpc = getcallerpc()
		// sp must be the last, because once async cpu profiler finds
		// all three values to be non-zero, it will use them

        "1.0-snapshot" | "1.0-sp"
        "1.0-snapshot" | "1.0"

        "1.0-final"    | "1.0-ga"
        "1.0-final"    | "1.0-release"
        "1.0-final"    | "1.0-sp"
        "1.0-final"    | "1.0"

        "1.0-ga"       | "1.0-release"
        "1.0-ga"       | "1.0-sp"
        "1.0-ga"       | "1.0-"

        "1.0-release"  | "1.0-sp"
        "1.0-release"  | "1.0"

			matchFile := (loc.Mapping != nil && sp.sym.MatchString(loc.Mapping.File))
			for j, line := range loc.Line {
				if (j == 0 && matchFile) || matches(line) {
					markInterest(addr, loc, j)
				}
			}
		}
	}

	sp.expandAddresses(rpt, addrs, flat)
	sp.initSamples(flat, cum)
	return sp
}

func (sp *sourcePrinter) close() {
	for _, objFile := range sp.objects {
		if objFile != nil {

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Create a large frame to force stack growth. See #62326.
TEXT ·testSPWrite(SB),0,$16384-0
	// Write to SP
	MOVQ SP, AX
	ANDQ $~0xf, SP
	MOVQ AX, SP

	SHLL	$6,		DX

	LEAL	(SI)(DX*1),	DI
	MOVL	(0*4)(BP),	AX
	MOVL	(1*4)(BP),	BX
	MOVL	(2*4)(BP),	CX
	MOVL	(3*4)(BP),	DX

	CMPL	SI,		DI
	JEQ	end

	MOVL	DI,		16(SP)

loop:
	MOVL	AX,		0(SP)
	MOVL	BX,		4(SP)
	MOVL	CX,		8(SP)
	MOVL	DX,		12(SP)

	MOVL	(0*4)(SI),	DI
	MOVL	DX,		BP

	ROUND1(AX,BX,CX,DX, 1,0xd76aa478, 7);
	ROUND1(DX,AX,BX,CX, 2,0xe8c7b756,12);
	ROUND1(CX,DX,AX,BX, 3,0x242070db,17);

	MOVQ	$CLOCK_REALTIME, DI	// arg 1 - clock_id
	LEAQ	8(SP), SI		// arg 2 - tp
	MOVL	$SYS___clock_gettime50, AX
	SYSCALL
	MOVQ	8(SP), AX		// sec
	MOVQ	16(SP), DX		// nsec

	// sec is in AX, nsec in DX
	MOVQ	AX, sec+0(FP)
	MOVL	DX, nsec+8(FP)
	RET

TEXT runtime·nanotime1(SB),NOSPLIT,$32
	MOVQ	$CLOCK_MONOTONIC, DI	// arg 1 - clock_id
	LEAQ	8(SP), SI		// arg 2 - tp
	MOVL	$SYS___clock_gettime50, AX
	SYSCALL

	MOVQ	$CLOCK_REALTIME, DI
	LEAQ	8(SP), SI
	SYSCALL
	MOVQ	8(SP), AX	// sec
	MOVQ	16(SP), DX	// nsec

	// sec is in AX, nsec in DX
	MOVQ	AX, sec+0(FP)
	MOVL	DX, nsec+8(FP)
	RET

TEXT runtime·fallback_nanotime(SB), NOSPLIT, $32-8
	MOVL	$SYS_clock_gettime, AX
	MOVQ	$CLOCK_MONOTONIC, DI
	LEAQ	8(SP), SI
	SYSCALL
	MOVQ	8(SP), AX	// sec
	MOVQ	16(SP), DX	// nsec

	// sec is in AX, nsec in DX

	// mspan.types
	for _, s := range mheap_.allspans {
		if s.state.get() == mSpanInUse {
			// Finalizers
			for sp := s.specials; sp != nil; sp = sp.next {
				if sp.kind != _KindSpecialFinalizer {
					continue
				}
				spf := (*specialfinalizer)(unsafe.Pointer(sp))
				p := unsafe.Pointer(s.base() + uintptr(spf.special.offset))
				dumpfinalizer(p, spf.fn, spf.fint, spf.ot)
			}
		}
	}

	KeepAlive(mp)

	return errno
}

// Set or reset the system stack bounds for a callback on sp.
//
// Must be nosplit because it is called by needm prior to fully initializing
// the M.
//
//go:nosplit
func callbackUpdateSystemStack(mp *m, sp uintptr, signal bool) {
	g0 := mp.g0

	inBound := sp > g0.stack.lo && sp <= g0.stack.hi
	if mp.ncgo > 0 && !inBound {

	get_tls(R12)
	MOVQ	g(R12), R14
	MOVQ	g_m(R14), R13

	// Switch to g0 stack.
	MOVQ	SP, R12		// callee-saved, preserved across the CALL
	MOVQ	m_g0(R13), R10
	CMPQ	R10, R14
	JE	call	// already on g0
	MOVQ	(g_sched+gobuf_sp)(R10), SP
call:
	ANDQ	$~15, SP	// alignment for gcc ABI
	CALL	AX
	MOVQ	R12, SP
	RET

// void runtime·libfuzzerCallTraceIntCmp(fn, arg0, arg1, fakePC uintptr)