xref: /openbsd/sys/arch/amd64/include/signal.h (revision 7730d1d9)
1 /*	$OpenBSD: signal.h,v 1.9 2016/05/10 18:39:42 deraadt Exp $	*/
2 /*	$NetBSD: signal.h,v 1.2 2003/04/28 23:16:17 bjh21 Exp $	*/
3 
4 /*
5  * Copyright (c) 1982, 1986, 1989, 1991 Regents of the University of California.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. Neither the name of the University nor the names of its contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  *
32  *	@(#)signal.h	7.16 (Berkeley) 3/17/91
33  */
34 
35 #ifndef _MACHINE_SIGNAL_H_
36 #define _MACHINE_SIGNAL_H_
37 
38 #include <sys/cdefs.h>
39 
40 typedef int sig_atomic_t;
41 
42 #ifdef _KERNEL
43 #include <machine/trap.h>
44 #endif
45 
46 #if __BSD_VISIBLE || __XPG_VISIBLE >= 420
47 /*
48  * Information pushed on stack when a signal is delivered.
49  * This is used by the kernel to restore state following
50  * execution of the signal handler.  It is also made available
51  * to the handler to allow it to restore state properly if
52  * a non-standard exit is performed.
53  */
54 struct sigcontext {
55 	/* plain match trapframe */
56 	long	sc_rdi;
57 	long	sc_rsi;
58 	long	sc_rdx;
59 	long	sc_rcx;
60 	long	sc_r8;
61 	long	sc_r9;
62 	long	sc_r10;
63 	long	sc_r11;
64 	long	sc_r12;
65 	long	sc_r13;
66 	long	sc_r14;
67 	long	sc_r15;
68 	long	sc_rbp;
69 	long	sc_rbx;
70 	long	sc_rax;
71 	long	sc_gs;
72 	long	sc_fs;
73 	long	sc_es;
74 	long	sc_ds;
75 	long	sc_trapno;
76 	long	sc_err;
77 	long	sc_rip;
78 	long	sc_cs;
79 	long	sc_rflags;
80 	long	sc_rsp;
81 	long	sc_ss;
82 
83 	struct fxsave64 *sc_fpstate;
84 	int	__sc_unused;
85 	int	sc_mask;
86 	long	sc_cookie;
87 };
88 #endif /* __BSD_VISIBLE || __XPG_VISIBLE >= 420 */
89 #endif	/* !_MACHINE_SIGNAL_H_ */
90