signal.h revision 1.6 
1/*	$OpenBSD: signal.h,v 1.6 2005/12/14 21:46:31 millert Exp $	*/
2
3/*
4 * Copyright (c) 1992, 1993
5 *	The Regents of the University of California.  All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * Ralph Campbell.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 *    may be used to endorse or promote products derived from this software
20 *    without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 *	@(#)signal.h	8.1 (Berkeley) 6/10/93
35 */
36
37#ifndef _MIPS_SIGNAL_H_
38#define _MIPS_SIGNAL_H_
39
40#include <sys/cdefs.h>
41
42#if !defined(__LANGUAGE_ASSEMBLY)
43#include <sys/types.h>
44
45/*
46 * Machine-dependent signal definitions
47 */
48typedef int sig_atomic_t;
49
50#if __BSD_VISIBLE
51/*
52 * Information pushed on stack when a signal is delivered.
53 * This is used by the kernel to restore state following
54 * execution of the signal handler.  It is also made available
55 * to the handler to allow it to restore state properly if
56 * a non-standard exit is performed.
57 */
58struct	sigcontext {
59	long	sc_onstack;	/* sigstack state to restore */
60	long	 sc_mask;	/* signal mask to restore */
61	register_t sc_pc;	/* pc at time of signal */
62	register_t sc_regs[32];	/* processor regs 0 to 31 */
63	register_t mullo;	/* mullo and mulhi registers... */
64	register_t mulhi;	/* mullo and mulhi registers... */
65	f_register_t sc_fpregs[33]; /* fp regs 0 to 31 and csr */
66	long	sc_fpused;	/* fp has been used */
67	long	sc_fpc_eir;	/* floating point exception instruction reg */
68	long	xxx[8];		/* XXX reserved */
69};
70#endif	/* __BSD_VISIBLE */
71
72#else /* __LANGUAGE_ASSEMBLY */
73#define SC_ONSTACK	(0 * REGSZ)
74#define	SC_MASK		(1 * REGSZ)
75#define	SC_PC		(2 * REGSZ)
76#define	SC_REGS		(3 * REGSZ)
77#define	SC_MULLO	(35 * REGSZ)
78#define	SC_MULHI	(36 * REGSZ)
79#define	SC_FPREGS	(37 * REGSZ)
80#define	SC_FPUSED	(70 * REGSZ)
81#define	SC_FPC_EIR	(71 * REGSZ)
82#endif /* __LANGUAGE_ASSEMBLY */
83
84#endif	/* !_MIPS_SIGNAL_H_ */
85