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[glibc.git] / sysdeps / vax / setjmp.c
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1 /* Copyright (C) 1991, 1992, 1994, 1997 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17 02111-1307 USA.
19 Derived from @(#)_setjmp.s 5.7 (Berkeley) 6/27/88,
20 Copyright (C) 1980 Regents of the University of California.
21 All rights reserved.
23 Redistribution and use in source and binary forms, with or without
24 modification, are permitted provided that the following conditions
25 are met:
27 1. Redistributions of source code must retain the above copyright
28 notice, this list of conditions and the following disclaimer.
29 2. Redistributions in binary form must reproduce the above copyright
30 notice, this list of conditions and the following disclaimer in the
31 documentation and/or other materials provided with the distribution.
32 4. Neither the name of the University nor the names of its contributors
33 may be used to endorse or promote products derived from this software
34 without specific prior written permission.
36 THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
37 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
39 ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
40 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
41 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
42 OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
43 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
44 LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
45 OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
46 SUCH DAMAGE.
49 #include <setjmp.h>
52 /* Save the current program position in ENV and return 0. */
53 int
54 __sigsetjmp (jmp_buf env, int savemask)
56 /* Save our caller's FP and PC. */
57 asm ("movl 12(fp), %0" : "=g" (env[0].__jmpbuf[0].__fp));
58 asm ("movl 16(fp), %0" : "=g" (env[0].__jmpbuf[0].__pc));
60 /* Save the signal mask if requested. */
61 return __sigjmp_save (env, savemask);