ADJSP	$16
	MOVQ	CX, AX
	MOVQ	DX, BX
	// Calling ABIInternal because TLS might be nil.
	CALL	runtime·sigtrampgo<ABIInternal>(SB)
	// Return value is already stored in AX.

	ADJSP	$-16

	POP_REGS_HOST_TO_ABI0()
	RET

// Trampoline to resume execution from exception handler.
// This is part of the control flow guard workaround.
// It switches stacks and jumps to the continuation address.

	MOVQ	CX, 0x10(SP)	/* ctxt */
#else
	MOVQ	CX, 0x0(SP)	/* fn */
	MOVQ	DX, 0x8(SP)	/* arg */
	// Skip n in R8.
	MOVQ	R9, 0x10(SP)	/* ctxt */
#endif

	CALL	runtime·cgocallback(SB)

	ADJSP	$-0x18
	POP_REGS_HOST_TO_ABI0()

	ADJSP   $24

	// Call into the Go signal handler
	MOVQ	DI, AX	// sig
	MOVQ	SI, BX	// info
	MOVQ	DX, CX	// ctx
	CALL	·sigtrampgo<ABIInternal>(SB)

	ADJSP	$-24

	POP_REGS_HOST_TO_ABI0()
	RET

// Called using C ABI.
TEXT runtime·sigprofNonGoWrapper<>(SB),NOSPLIT|NOFRAME,$0
	// Transition from C ABI to Go ABI.
	PUSH_REGS_HOST_TO_ABI0()

	// Call into the Go signal handler

	POPQ	R12
	POPQ	R12
	// All registers are smashed after Go code, reload.
	get_tls(R12)
	MOVQ	g(R12), R13
	MOVQ	g_m(R13), R13
	MOVQ	m_curg(R13), R14
	MOVQ	R14, g(R12)	// g = m->curg
ret:
	POP_REGS_HOST_TO_ABI0()
	RET

noswitch:
	// already on g0
	PUSHQ	RARG1	// func arg
	PUSHQ	RARG0	// func arg
	CALL	runtime·racecallback(SB)
	POPQ	R12
	POPQ	R12

	MOVQ	BX, SP
	JMP	restore

nocgo:
	ADJSP	$16
	MOVQ	$0x800000, 0(SP)		// stacksize
	MOVQ	$_rt0_amd64_lib_go(SB), AX
	MOVQ	AX, 8(SP)			// fn
	CALL	runtime·newosproc0(SB)
	ADJSP	$-16

restore:
	POP_REGS_HOST_TO_ABI0()
	RET

// _rt0_amd64_lib_go initializes the Go runtime.
// This is started in a separate thread by _rt0_amd64_lib.
TEXT _rt0_amd64_lib_go(SB),NOSPLIT,$0
	MOVQ	_rt0_amd64_lib_argc<>(SB), DI