xref: /openbsd-src/sys/arch/sparc64/include/signal.h (revision a28daedfc357b214be5c701aa8ba8adb29a7f1c2)
1 /*	$OpenBSD: signal.h,v 1.8 2006/01/08 14:20:17 millert Exp $	*/
2 /*	$NetBSD: signal.h,v 1.10 2001/05/09 19:50:49 kleink Exp $ */
3 
4 /*
5  * Copyright (c) 1992, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * This software was developed by the Computer Systems Engineering group
9  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
10  * contributed to Berkeley.
11  *
12  * All advertising materials mentioning features or use of this software
13  * must display the following acknowledgement:
14  *	This product includes software developed by the University of
15  *	California, Lawrence Berkeley Laboratory.
16  *
17  * Redistribution and use in source and binary forms, with or without
18  * modification, are permitted provided that the following conditions
19  * are met:
20  * 1. Redistributions of source code must retain the above copyright
21  *    notice, this list of conditions and the following disclaimer.
22  * 2. Redistributions in binary form must reproduce the above copyright
23  *    notice, this list of conditions and the following disclaimer in the
24  *    documentation and/or other materials provided with the distribution.
25  * 3. Neither the name of the University nor the names of its contributors
26  *    may be used to endorse or promote products derived from this software
27  *    without specific prior written permission.
28  *
29  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
30  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
31  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
32  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
33  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
34  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
35  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
37  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
38  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39  * SUCH DAMAGE.
40  *
41  *	@(#)signal.h	8.1 (Berkeley) 6/11/93
42  */
43 
44 #ifndef	_SPARC64_SIGNAL_H_
45 #define _SPARC64_SIGNAL_H_
46 
47 #ifndef _LOCORE
48 #include <sys/cdefs.h>
49 
50 typedef int sig_atomic_t;
51 
52 #if __BSD_VISIBLE || __XPG_VISIBLE >= 420
53 /*
54  * Information pushed on stack when a signal is delivered.
55  * This is used by the kernel to restore state following
56  * execution of the signal handler.  It is also made available
57  * to the handler to allow it to restore state properly if
58  * a non-standard exit is performed.
59  *
60  * All machines must have an sc_onstack and sc_mask.
61  */
62 struct sigcontext {
63 	int		sc_onstack;	/* sigstack state to restore */
64 	int		__sc_mask13;	/* signal mask to restore (old style) */
65 	/* begin machine dependent portion */
66 	long		sc_sp;		/* %sp to restore */
67 	long		sc_pc;		/* pc to restore */
68 	long		sc_npc;		/* npc to restore */
69 	long		sc_tstate;	/* tstate to restore */
70 	long		sc_g1;		/* %g1 to restore */
71 	long		sc_o0;		/* %o0 to restore */
72 	int		sc_mask;	/* signal mask to restore (new style) */
73 };
74 #endif /* __BSD_VISIBLE || __XPG_VISIBLE >= 420 */
75 #endif /* _LOCORE */
76 
77 #if defined(_LOCORE) || __BSD_VISIBLE
78 /*
79  * `Code' arguments to signal handlers.  The names, and the funny numbering.
80  * are defined so as to match up with what SunOS uses; I have no idea why
81  * they did the numbers that way, except maybe to match up with the 68881.
82  */
83 #define	FPE_INTOVF_TRAP		0x01	/* integer overflow */
84 #define	FPE_INTDIV_TRAP		0x14	/* integer divide by zero */
85 #define	FPE_FLTINEX_TRAP	0xc4	/* inexact */
86 #define	FPE_FLTDIV_TRAP		0xc8	/* divide by zero */
87 #define	FPE_FLTUND_TRAP		0xcc	/* underflow */
88 #define	FPE_FLTOPERR_TRAP	0xd0	/* operand error */
89 #define	FPE_FLTOVF_TRAP		0xd4	/* overflow */
90 #endif
91 
92 #endif	/* !_SPARC64_SIGNAL_H_ */
93