setjmp.h revision 330897 
1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1998 John Birrell <jb@cimlogic.com.au>.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the author nor the names of any co-contributors
16 *    may be used to endorse or promote products derived from this software
17 *    without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 *	From: FreeBSD: src/sys/i386/include/setjmp.h,v 1.5 2000/10/06
32 * $FreeBSD: stable/11/sys/sparc64/include/setjmp.h 330897 2018-03-14 03:19:51Z eadler $
33 */
34
35#ifndef	_MACHINE_SETJMP_H_
36#define	_MACHINE_SETJMP_H_
37
38#include <sys/cdefs.h>
39
40#define	_JBLEN		5
41
42#define	_JB_FP		0
43#define	_JB_PC		1
44#define	_JB_SP		2
45#define	_JB_SIGMASK	3
46#define	_JB_SIGFLAG	5
47
48/*
49 * jmp_buf and sigjmp_buf are encapsulated in different structs to force
50 * compile-time diagnostics for mismatches.  The structs are the same
51 * internally to avoid some run-time errors for mismatches.
52 */
53#if __BSD_VISIBLE || __POSIX_VISIBLE || __XSI_VISIBLE
54typedef	struct _sigjmp_buf { long _sjb[_JBLEN + 1]; } sigjmp_buf[1];
55#endif
56
57typedef	struct _jmp_buf { long _jb[_JBLEN + 1]; } jmp_buf[1];
58
59#endif /* !_MACHINE_SETJMP_H_ */
60