xref: /plan9-contrib/sys/src/ape/lib/ap/power/setjmp.s (revision 7dd7cddf99dd7472612f1413b4da293630e6b1bc)
1TEXT	setjmp(SB), 1, $-4
2	MOVW	LR, R4
3	MOVW	R1, (R3)
4	MOVW	R4, 4(R3)
5	MOVW	$0, R3
6	RETURN
7
8TEXT	sigsetjmp(SB), 1, $-4
9	MOVW	savemask+4(FP), R4
10	MOVW	R4, 0(R3)
11	MOVW	$_psigblocked(SB), R4
12	MOVW	R4, 4(R3)
13	MOVW	LR, R4
14	MOVW	R1, 8(R3)
15	MOVW	R4, 12(R3)
16	MOVW	$0, R3
17	RETURN
18
19TEXT	longjmp(SB), 1, $-4
20	MOVW	R3, R4
21	MOVW	r+4(FP), R3
22	CMP	R3, $0
23	BNE	ok		/* ansi: "longjmp(0) => longjmp(1)" */
24	MOVW	$1, R3		/* bless their pointed heads */
25ok:	MOVW	(R4), R1
26	MOVW	4(R4), R4
27	MOVW	R4, LR
28	BR	(LR)
29
30/*
31 * trampoline functions because the kernel smashes r1
32 * in the uregs given to notejmp
33 */
34TEXT	__noterestore(SB), 1, $-4
35	MOVW	R4, R3
36	MOVW	R5, LR
37	BR	(LR)
38