CBZ	R8, sigtramp    // g.m.curg == nil
	MOVD	g_syscallsp(R8), R7
	CBZ	R7,	sigtramp    // g.m.curg.syscallsp == 0
	MOVD	m_cgoCallers(R6), R4 // R4 is the fifth arg in C calling convention.
	CBZ	R4,	sigtramp    // g.m.cgoCallers == nil
	MOVW	m_cgoCallersUse(R6), R8
	CBNZW	R8, sigtramp    // g.m.cgoCallersUse != 0

	// Jump to a function in runtime/cgo.
	// That function, written in C, will call the user's traceback

	TESTQ	CX, CX
	JZ	sigtramp        // g.m.curg == nil
	MOVQ	g_syscallsp(CX), CX
	TESTQ	CX, CX
	JZ	sigtramp        // g.m.curg.syscallsp == 0
	MOVQ	m_cgoCallers(AX), R8
	TESTQ	R8, R8
	JZ	sigtramp        // g.m.cgoCallers == nil
	MOVL	m_cgoCallersUse(AX), CX
	TESTL	CX, CX
	JNZ	sigtramp	// g.m.cgoCallersUse != 0

	// Jump to a function in runtime/cgo.
	// That function, written in C, will call the user's traceback

// from Go code without going all the way through cgo.
// First, it's much faster (up to 50% speedup for real Go programs).
// Second, it eliminates race-related special cases from cgocall and scheduler.
// Third, in long-term it will allow to remove cyclic runtime/race dependency on cmd/go.

// A brief recap of the arm64 calling convention.
// Arguments are passed in R0...R7, the rest is on stack.

// from Go code without going all the way through cgo.
// First, it's much faster (up to 50% speedup for real Go programs).
// Second, it eliminates race-related special cases from cgocall and scheduler.
// Third, in long-term it will allow to remove cyclic runtime/race dependency on cmd/go.

// A brief recap of the ppc64le calling convention.
// Arguments are passed in R3, R4, R5 ...

	MOVW	R2, 8(R13)
	BL	(R1)
	MOVW	8(R13), R2
	MOVW	R2, R13
	RET

// func asmcgocall(fn, arg unsafe.Pointer) int32
// Call fn(arg) on the scheduler stack,
// aligned appropriately for the gcc ABI.
// See cgocall.go for more details.
TEXT ·asmcgocall(SB),NOSPLIT,$0-12
	MOVW	fn+0(FP), R1
	MOVW	arg+4(FP), R0

	MOVW	R13, R2
	CMP	$0, g
	BEQ nosave
	MOVW	g, R4

	CALL	AX
	MOVL	8(SP), DX
	MOVL	DX, SP
	RET

// func asmcgocall(fn, arg unsafe.Pointer) int32
// Call fn(arg) on the scheduler stack,
// aligned appropriately for the gcc ABI.
// See cgocall.go for more details.
TEXT ·asmcgocall(SB),NOSPLIT,$0-12
	MOVL	fn+0(FP), AX
	MOVL	arg+4(FP), BX

	MOVL	SP, DX

	// Figure out if we need to switch to m->g0 stack.

#ifndef GOOS_aix
	MOVD	24(R1), R2
#endif

	RET

// func asmcgocall(fn, arg unsafe.Pointer) int32
// Call fn(arg) on the scheduler stack,
// aligned appropriately for the gcc ABI.
// See cgocall.go for more details.
TEXT ·asmcgocall<ABIInternal>(SB),NOSPLIT,$0-20
	// R3 = fn
	// R4 = arg

	MOVD	R1, R7		// save original stack pointer
	CMP	$0, g
	BEQ	nosave
	MOVD	g, R5

	BL	(R1)
	ADD	$16, RSP	// skip over saved frame pointer below RSP
	RET

// func asmcgocall(fn, arg unsafe.Pointer) int32
// Call fn(arg) on the scheduler stack,
// aligned appropriately for the gcc ABI.
// See cgocall.go for more details.
TEXT ·asmcgocall(SB),NOSPLIT,$0-20
	MOVD	fn+0(FP), R1
	MOVD	arg+8(FP), R0

	MOVD	RSP, R2		// save original stack pointer
	CBZ	g, nosave
	MOVD	g, R4

func _Cgo_use(interface{})
type _Ctype_int int32

type _Ctype_struct_layout struct {
	field _Ctype_int
}

type _Ctype_void [0]byte

//go:linkname _cgo_runtime_cgocall runtime.cgocall
func _cgo_runtime_cgocall(unsafe.Pointer, uintptr) int32

//go:linkname _cgoCheckPointer runtime.cgoCheckPointer
func _cgoCheckPointer(interface{}, interface{})

//go:linkname _cgoCheckResult runtime.cgoCheckResult

		// Gccgo style hooks.
		fmt.Fprint(fgo2, "\n")
		conf.Fprint(fgo2, fset, d)
		fmt.Fprint(fgo2, " {\n")
		if !inProlog {
			fmt.Fprint(fgo2, "\tdefer syscall.CgocallDone()\n")
			fmt.Fprint(fgo2, "\tsyscall.Cgocall()\n")
		}
		if n.AddError {
			fmt.Fprint(fgo2, "\tsyscall.SetErrno(0)\n")
		}
		fmt.Fprint(fgo2, "\t")
		if !void {
			fmt.Fprint(fgo2, "r := ")
		}