xref: /dragonfly/sys/cpu/x86_64/include/sigframe.h (revision 7d3e9a5b)
1 /*-
2  * Copyright (c) 1999 Marcel Moolenaar
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer
10  *    in this position and unchanged.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. The name of the author may not be used to endorse or promote products
15  *    derived from this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  *
28  * $FreeBSD: src/sys/i386/include/sigframe.h,v 1.5 1999/12/04 10:40:24 marcel Exp $
29  */
30 
31 #ifndef _CPU_SIGFRAME_H_
32 #define	_CPU_SIGFRAME_H_
33 
34 #include <sys/_siginfo.h>
35 #include <sys/signal.h>
36 #include <sys/_ucontext.h>
37 
38 /*
39  * Signal frames, arguments passed to application signal handlers.
40  *
41  * Arguments are in registers, so we do not have to make room in the
42  * sigframe for them.
43  */
44 struct sigframe {
45 	union {
46 		__siginfohandler_t	*sf_action;
47 		__sighandler_t		*sf_handler;
48 	} sf_ahu;
49 	ucontext_t	sf_uc;		/* = *sf_ucontext */
50 	siginfo_t	sf_si;		/* = *sf_siginfo (SA_SIGINFO case) */
51 };
52 
53 #endif /* !_CPU_SIGFRAME_H_ */
54