xref: /openbsd-src/lib/libc/arch/powerpc/gen/sigsetjmp.S (revision b2ea75c1b17e1a9a339660e7ed45cd24946b230e)
1/*	$NetBSD$	*/
2
3/*-
4 * Copyright (c) 1990 The Regents of the University of California.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * William Jolitz.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 *    must display the following acknowledgement:
20 *	This product includes software developed by the University of
21 *	California, Berkeley and its contributors.
22 * 4. Neither the name of the University nor the names of its contributors
23 *    may be used to endorse or promote products derived from this software
24 *    without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 *
38 *	from: @(#)setjmp.s	5.1 (Berkeley) 4/23/90"
39 */
40#if 0
41#include <sys/syscall.h>
42
43#include <machine/asm.h>
44#endif
45
46#include "SYS.h"
47#include <machine/asm.h>
48
49#if defined(LIBC_SCCS)
50	.text
51	.asciz "$NetBSD$"
52#endif
53
54#if 1
55ENTRY(sigsetjmp)
56#else
57	.globl sigsetjmp
58sigsetjmp:
59#endif
60	mr	6,3
61	or.	7,4,4
62	beq	1f
63	li	3,1			# SIG_BLOCK
64	li	4,0
65	li	0,SYS_sigprocmask
66	sc				# assume no error	XXX
671:
68	mflr	11
69	mfcr	12
70	mr	10,1
71	mr	9,2
72	mr	8,3
73	stmw	7,0(6)
74	li	3,0
75	blr
76
77#if 1
78ENTRY(siglongjmp)
79#else
80	.globl siglongjmp
81siglongjmp:
82#endif
83	lmw	7,0(3)
84	mr	6,4
85	mtlr	11
86	mtcr	12
87	mr	2,9
88	mr	1,10
89	or.	7,7,7
90	beq	1f
91	mr	4,8
92	li	3,3			# SIG_SETMASK
93	li	0,SYS_sigprocmask
94	sc				# assume no error	XXX
951:
96	or.	3,6,6
97	bnelr
98	li	3,1
99	blr
100