TEXT runtime·sigfwd(SB),NOSPLIT,$0-32
	MOVW	sig+8(FP), R0
	MOVD	info+16(FP), R1
	MOVD	ctx+24(FP), R2
	MOVD	fn+0(FP), R11
	BL	(R11)
	RET

// func sigtramp()
TEXT runtime·sigtramp(SB),NOSPLIT|TOPFRAME,$176
	// Save callee-save registers in the case of signal forwarding.
	// Please refer to https://golang.org/issue/31827 .
	SAVE_R19_TO_R28(8*4)
	SAVE_F8_TO_F15(8*14)

	MOVW	fn+0(FP), R25
	MOVW	R29, R22
	SUBU	$16, R29
	AND	$~7, R29	// shadow space for 4 args aligned to 8 bytes as per O32 ABI
	JAL	(R25)
	MOVW	R22, R29
	RET

TEXT runtime·sigtramp(SB),NOSPLIT|TOPFRAME,$12
	// this might be called in external code context,
	// where g is not set.
	MOVB	runtime·iscgo(SB), R1
	BEQ	R1, 2(PC)
	JAL	runtime·load_g(SB)

	MOVW	R4, 4(R29)
	MOVW	R5, 8(R29)
	MOVW	R6, 12(R29)