1/*	$OpenBSD: sigsetjmp.S,v 1.5 2023/12/10 16:45:52 deraadt Exp $	*/
2/*	$NetBSD: sigsetjmp.S,v 1.5 2000/08/28 00:45:59 eeh Exp $	*/
3/*
4 * Copyright (c) 1992, 1993
5 *	The Regents of the University of California.  All rights reserved.
6 *
7 * This software was developed by the Computer Systems Engineering group
8 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
9 * contributed to Berkeley.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the University nor the names of its contributors
20 *    may be used to endorse or promote products derived from this software
21 *    without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36#include "SYS.h"
37
38ENTRY(sigsetjmp)
39	mov	%o0, %o3		/* Save our jmp_buf in %o3 */
40	brz,pt	%o1, 1f
41	 st	%o1, [%o0 + 8*14]	! jmpbuf[JBLEN]
42
43	mov	1, %o0			/* SIG_BLOCK */
44	mov	SYS_sigprocmask, %g1
45	clr	%o1			/* sigprocmask(SIG_BLOCK, 0) */
4699:	t	ST_SYSCALL
47	PINSYSCALL(SYS_sigprocmask, 99b)
48	stx	%o0, [%o3 + 0x10]
49
501:	stx	%sp, [%o3 + 0x00]	/* store caller's stack pointer */
51	stx	%o7, [%o3 + 0x08]	/* ... and return pc */
52	retl
53	 clr	%o0			/* return 0 */
54END_WEAK(sigsetjmp)
55
56ENTRY(siglongjmp)
57	save	%sp, -CC64FSZ, %sp
58	flushw
59	ld	[%i0 + 8*14], %g1
60
61	brz,pt	%g1, 1f
62
63	 mov	3, %o0			/* SIG_SETMASK */
64	ldx	[%i0 + 0x10], %o1
65	mov	SYS_sigprocmask, %g1
6698:	t	ST_SYSCALL
67	PINSYSCALL(SYS_sigprocmask, 98b)
68
691:	ldx	[%i0 + 0x00], %fp
70	ldx	[%i0 + 0x08], %i7
71	mov	1, %i0
72	movrnz	%i1, %i1, %i0		! compute v ? v : 1
73	ret
74	 restore
75END_WEAK(siglongjmp)
76