shithub: riscv

ref: 301abc6d924c02bb2c3c5e5428a0a3f3f290de41
dir: /sys/src/ape/lib/ap/arm64/setjmp.s/

View raw version 
TEXT sigsetjmp(SB), 1, $-4
	MOVW	savemask+8(FP), R1
	MOVW	_psigblocked(SB), R2
	MOVW	R1, 0(R0)
	MOVW	R2, 4(R0)
	ADD	$8, R0
	/* wet floor */

TEXT setjmp(SB), 1, $-4
	MOV	LR, 8(R0)
	MOV	SP, R1
	MOV	R1, 0(R0)
	MOV	$0, R0
	RETURN


TEXT longjmp(SB), 1, $-4
	MOV	8(R0), LR
	MOV	0(R0), R1
	MOVW	arg+8(FP), R0
	MOV	R1, SP
	CBZ	R0, _one
	RETURN
_one:
	MOV	$1, R0
	RETURN