1 /* $NetBSD: svr4_ucontext.h,v 1.7 2003/01/18 08:44:27 thorpej Exp $ */
2
3 /*-
4 * Copyright (c) 1994 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Christos Zoulas.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 #ifndef _SVR4_UCONTEXT_H_
40 #define _SVR4_UCONTEXT_H_
41
42 #include <compat/svr4/svr4_types.h>
43 #include <compat/svr4/svr4_signal.h>
44 #include <machine/svr4_machdep.h>
45
46 /*
47 * Machine context
48 */
49
50 #define SVR4_UC_SIGMASK 0x01
51 #define SVR4_UC_STACK 0x02
52
53 #define SVR4_UC_CPU 0x04
54 #define SVR4_UC_FPU 0x08
55 #define SVR4_UC_WEITEK 0x10
56
57 #define SVR4_UC_MCONTEXT (SVR4_UC_CPU|SVR4_UC_FPU|SVR4_UC_WEITEK)
58
59 #define SVR4_UC_ALL (SVR4_UC_SIGMASK|SVR4_UC_STACK|SVR4_UC_MCONTEXT)
60
61 typedef struct svr4_ucontext {
62 u_long uc_flags;
63 struct svr4_ucontext *uc_link;
64 svr4_sigset_t uc_sigmask;
65 struct svr4_sigaltstack uc_stack;
66 svr4_mcontext_t uc_mcontext;
67 #ifdef SVR4_UC_MACHINE_PAD
68 long uc_pad[SVR4_UC_MACHINE_PAD];
69 #endif
70 } svr4_ucontext_t;
71
72 #define SVR4_UC_GETREGSET 0
73 #define SVR4_UC_SETREGSET 1
74
75 /*
76 * Signal frame
77 */
78 struct svr4_sigframe {
79 int sf_signum;
80 union svr4_siginfo *sf_sip;
81 struct svr4_ucontext *sf_ucp;
82 sig_t sf_handler;
83 struct svr4_ucontext sf_uc;
84 union svr4_siginfo sf_si;
85 };
86
87
88 void *svr4_getmcontext __P((struct lwp *, struct svr4_mcontext *, u_long *));
89 int svr4_setmcontext __P((struct lwp *, struct svr4_mcontext *, u_long));
90
91 void svr4_getcontext __P((struct lwp *, struct svr4_ucontext *));
92 int svr4_setcontext __P((struct lwp *, struct svr4_ucontext *));
93
94 #endif /* !_SVR4_UCONTEXT_H_ */
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