// call target function
	MOV	0(CTXT), X10
	JALR	X1, X10

	// should never return
	CALL	runtime·abort(SB)
	UNDEF

/*
 * support for morestack
 */

// Called during function prolog when more stack is needed.
// Called with return address (i.e. caller's PC) in X5 (aka T0),
// and the LR register contains the caller's LR.
//
// The traceback routines see morestack on a g0 as being

	// call target function
	MOVD	0(R12), R3	// code pointer
	BL	(R3)

	// should never return
	BL	runtime·abort(SB)
	UNDEF

/*
 * support for morestack
 */

// Called during function prolog when more stack is needed.
// Caller has already loaded:
// R3: framesize, R4: argsize, R5: LR
//
// The traceback routines see morestack on a g0 as being
// the top of a stack (for example, morestack calling newstack

	// call target function
	MOVW	0(REGCTXT), R25
	JAL	(R25)

	// should never return
	CALL	runtime·abort(SB)
	UNDEF

/*
 * support for morestack
 */

// Called during function prolog when more stack is needed.
// Caller has already loaded:
// R1: framesize, R2: argsize, R3: LR
//
// The traceback routines see morestack on a g0 as being
// the top of a stack (for example, morestack calling newstack

	// call target function
	MOVV	0(REGCTXT), R6
	JAL	(R6)

	// should never return
	JAL	runtime·abort(SB)
	UNDEF

/*
 * support for morestack
 */

// Called during function prolog when more stack is needed.
// Caller has already loaded:
// loong64: R31: LR
//
// The traceback routines see morestack on a g0 as being
// the top of a stack (for example, morestack calling newstack

	// Insert the registration sequence into the function. We want this sequence to
	// appear before any counter updates, so use a hack to ensure that this edit
	// applies before the edit corresponding to the prolog counter update.

	boff := f.offset(body.Pos())
	ipos := f.fset.File(body.Pos()).Pos(boff)
	ip := f.offset(ipos)
	f.edit.Replace(ip, ip+1, string(f.content[ipos-1])+regHook+" ; ")

	f.fn.counterVar = ""
}

	MOVW	0(R7), R0
	BL	(R0)

	// should never return
	CALL	runtime·abort(SB)
	UNDEF

/*
 * support for morestack
 */

// Called during function prolog when more stack is needed.
// R3 prolog's LR
// using NOFRAME means do not save LR on stack.
//
// The traceback routines see morestack on a g0 as being
// the top of a stack (for example, morestack calling newstack

	MOVD	0(R11), R12			// code pointer
	MOVD	R12, CTR
	BL	(CTR)

	// should never return
	CALL	runtime·abort(SB)
	UNDEF

/*
 * support for morestack
 */

// Called during function prolog when more stack is needed.
// Caller has already loaded:
// R3: framesize, R4: argsize, R5: LR
//
// The traceback routines see morestack on a g0 as being
// the top of a stack (for example, morestack calling newstack

	MOVD	0(R26), R0
	CALL	(R0)

	// should never return
	CALL	runtime·abort(SB)
	UNDEF

/*
 * support for morestack
 */

// Called during function prolog when more stack is needed.
// Caller has already loaded:
// R3 prolog's LR (R30)
//
// The traceback routines see morestack on a g0 as being
// the top of a stack (for example, morestack calling newstack

	// call target function
	MOVL	AX, DX
	MOVL	0(AX), AX
	CALL	AX

	// should never return
	CALL	runtime·abort(SB)
	UNDEF

/*
 * support for morestack
 */

// Called during function prolog when more stack is needed.
//
// The traceback routines see morestack on a g0 as being
// the top of a stack (for example, morestack calling newstack
// calling the scheduler calling newm calling gc), so we must

// systemstack_switch is incorrect.
// Smashes R9.
TEXT gosave_systemstack_switch<>(SB),NOSPLIT|NOFRAME,$0
	// Take systemstack_switch PC and add 8 bytes to skip
	// the prologue. The final location does not matter
	// as long as we are between the prologue and the epilogue.
	MOVQ	$runtime·systemstack_switch+8(SB), R9
	MOVQ	R9, (g_sched+gobuf_pc)(R14)
	LEAQ	8(SP), R9
	MOVQ	R9, (g_sched+gobuf_sp)(R14)