1/*-
2 * Copyright (c) 1998 Mark Newton
3 * Copyright (c) 1994 Christos Zoulas
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
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 * $FreeBSD$
29 */
30
31#ifndef	_SVR4_UCONTEXT_H_
32#define	_SVR4_UCONTEXT_H_
33
34/*
35 * Machine context
36 */
37
38#define SVR4_UC_SIGMASK		0x01
39#define	SVR4_UC_STACK		0x02
40
41#define SVR4_UC_CPU		0x04
42#define SVR4_UC_FPU		0x08
43#define SVR4_UC_WEITEK		0x10
44
45#define SVR4_UC_MCONTEXT	(SVR4_UC_CPU|SVR4_UC_FPU|SVR4_UC_WEITEK)
46
47#define SVR4_UC_ALL		(SVR4_UC_SIGMASK|SVR4_UC_STACK|SVR4_UC_MCONTEXT)
48
49typedef struct svr4_ucontext {
50	u_long			 uc_flags;
51  /*	struct svr4_ucontext	*uc_link;*/
52        void                    *uc_link;
53	svr4_sigset_t		 uc_sigmask;
54	struct svr4_sigaltstack	 uc_stack;
55	svr4_mcontext_t		 uc_mcontext;
56	long			 uc_pad[5];
57} svr4_ucontext_t;
58
59#define SVR4_UC_GETREGSET	0
60#define SVR4_UC_SETREGSET	1
61
62/*
63 * Signal frame
64 */
65struct svr4_sigframe {
66	int	sf_signum;
67	union	svr4_siginfo  *sf_sip;
68	struct	svr4_ucontext *sf_ucp;
69	sig_t	sf_handler;
70	struct	svr4_ucontext sf_uc;
71	union	svr4_siginfo  sf_si;
72};
73
74#endif /* !_SVR4_UCONTEXT_H_ */
75