xref: /netbsd-src/sys/arch/i386/include/signal.h (revision ae9172d6cd9432a6a1a56760d86b32c57a66c39c)
1 /*	$NetBSD: signal.h,v 1.3 1994/10/27 04:16:25 cgd Exp $	*/
2 
3 /*
4  * Copyright (c) 1982, 1986, 1989, 1991 Regents of the University of California.
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. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by the University of
18  *	California, Berkeley and its contributors.
19  * 4. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  *
35  *	@(#)signal.h	7.16 (Berkeley) 3/17/91
36  */
37 
38 #ifndef _I386_SIGNAL_H_
39 #define _I386_SIGNAL_H_
40 
41 typedef int sig_atomic_t;
42 
43 /*
44  * Get the "code" values
45  */
46 #include <machine/trap.h>
47 
48 /*
49  * Information pushed on stack when a signal is delivered.
50  * This is used by the kernel to restore state following
51  * execution of the signal handler.  It is also made available
52  * to the handler to allow it to restore state properly if
53  * a non-standard exit is performed.
54  */
55 struct	sigcontext {
56 	int	sc_onstack;		/* sigstack state to restore */
57 	int	sc_mask;		/* signal mask to restore */
58 
59 	int	sc_es;
60 	int	sc_ds;
61 	int	sc_edi;
62 	int	sc_esi;
63 	int	sc_ebp;
64 	int	sc_ebx;
65 	int	sc_edx;
66 	int	sc_ecx;
67 	int	sc_eax;
68 	int	sc_eip;
69 	int	sc_cs;
70 	int	sc_eflags;
71 	int	sc_esp;
72 	int	sc_ss;
73 };
74 
75 #define sc_sp sc_esp
76 #define sc_fp sc_ebp
77 #define sc_pc sc_eip
78 #define sc_ps sc_eflags
79 
80 #endif	/* _I386_SIGNAL_H_ */
81