1/*
2 * Copyright (c) 1992, 1993
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * This software was developed by the Computer Systems Engineering group
6 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
7 * contributed to Berkeley.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 4. Neither the name of the University nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 *	from: Header: _setjmp.s,v 1.1 91/07/06 16:45:53 torek Exp
34 */
35
36#if defined(LIBC_SCCS) && !defined(lint)
37	.asciz "@(#)_setjmp.s	8.1 (Berkeley) 6/4/93"
38#if 0
39	RCSID("$NetBSD: _setjmp.S,v 1.4 1998/10/08 02:27:59 eeh Exp $")
40#endif
41#endif /* LIBC_SCCS and not lint */
42#include <machine/asm.h>
43__FBSDID("$FreeBSD$");
44
45#include "assym.s"
46
47	.register %g2,#ignore
48	.register %g3,#ignore
49
50/*
51 * C library -- _setjmp, _longjmp
52 *
53 *	_longjmp(a,v)
54 * will generate a "return(v?v:1)" from
55 * the last call to
56 *	_setjmp(a)
57 * by restoring the previous context.
58 * The previous signal state is NOT restored.
59 */
60
61ENTRY(_setjmp)
62	stx	%sp, [%o0 + _JB_SP]
63	stx	%o7, [%o0 + _JB_PC]
64	retl
65	 clr	%o0
66END(_setjmp)
67
68	.weak	CNAME(_longjmp)
69	.set	CNAME(_longjmp),CNAME(___longjmp)
70ENTRY(___longjmp)
71	save	%sp, -CCFSZ, %sp
72	flushw
73	ldx	[%i0 + _JB_SP], %fp
74	ldx	[%i0 + _JB_PC], %i7
75	mov	1, %i0
76	movrnz	%i1, %i1, %i0
77	ret
78	 restore
79END(___longjmp)
80