xref: /openbsd/sys/arch/mips64/include/signal.h (revision 4cfece93)
1 /*	$OpenBSD: signal.h,v 1.13 2018/01/08 16:44:32 visa 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 _MIPS64_SIGNAL_H_
38 #define _MIPS64_SIGNAL_H_
39 
40 #include <sys/cdefs.h>
41 #include <sys/types.h>
42 
43 /*
44  * Machine-dependent signal definitions
45  */
46 typedef int sig_atomic_t;
47 
48 #if __BSD_VISIBLE || __XPG_VISIBLE >= 420
49 /*
50  * Information pushed on stack when a signal is delivered.
51  * This is used by the kernel to restore state following
52  * execution of the signal handler.  It is also made available
53  * to the handler to allow it to restore state properly if
54  * a non-standard exit is performed.
55  */
56 struct	sigcontext {
57 	long	sc_cookie;
58 	long	 sc_mask;	/* signal mask to restore XXX should be int */
59 	__register_t sc_pc;	/* pc at time of signal */
60 	__register_t sc_regs[32]; /* processor regs 0 to 31 */
61 	__register_t mullo;	/* mullo and mulhi registers... */
62 	__register_t mulhi;	/* mullo and mulhi registers... */
63 	f_register_t sc_fpregs[33]; /* fp regs 0 to 31 and csr */
64 	long	sc_fpused;	/* fp has been used */
65 	long	sc_fpc_eir;	/* floating point exception instruction reg */
66 	long	xxx[8];		/* XXX reserved */
67 };
68 #endif /* __BSD_VISIBLE || __XPG_VISIBLE >= 420 */
69 
70 #endif	/* !_MIPS64_SIGNAL_H_ */
71