1/*-
2 * Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com>
3 * All rights reserved.
4 *
5 * Portions of this software were developed by SRI International and the
6 * University of Cambridge Computer Laboratory under DARPA/AFRL contract
7 * FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme.
8 *
9 * Portions of this software were developed by the University of Cambridge
10 * Computer Laboratory as part of the CTSRD Project, with support from the
11 * UK Higher Education Innovation Fund (HEIF).
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34
35#ifndef _MACHINE_SETJMP_H_
36#define _MACHINE_SETJMP_H_
37
38#include <sys/cdefs.h>
39
40#define _JBLEN 63 /* sp, ra, [f]s0-11, magic val, sigmask */
41#define _JB_SIGMASK 27
42
43#ifdef __ASSEMBLER__
44#define _JB_MAGIC__SETJMP 0xbe87fd8a2910af00
45#define _JB_MAGIC_SETJMP 0xbe87fd8a2910af01
46#endif /* !__ASSEMBLER__ */
47
48#ifndef __ASSEMBLER__
49/*
50 * jmp_buf and sigjmp_buf are encapsulated in different structs to force
51 * compile-time diagnostics for mismatches. The structs are the same
52 * internally to avoid some run-time errors for mismatches.
53 */
54#if __BSD_VISIBLE || __POSIX_VISIBLE || __XSI_VISIBLE
55typedef struct _sigjmp_buf { long _sjb[_JBLEN + 1] __aligned(16); } sigjmp_buf[1];
56#endif
57
58typedef struct _jmp_buf { long _jb[_JBLEN + 1] __aligned(16); } jmp_buf[1];
59#endif /* __ASSEMBLER__ */
60
61#endif /* !_MACHINE_SETJMP_H_ */