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 * $FreeBSD$
29 */
30
31 #ifndef _MACHINE_UCONTEXT_H_
32 #define _MACHINE_UCONTEXT_H_
33
34 typedef struct __mcontext {
35 /*
36 * The first 20 fields must match the definition of
37 * sigcontext. So that we can support sigcontext
38 * and ucontext_t at the same time.
39 */
40 int mc_onstack; /* XXX - sigcontext compat. */
41 int mc_gs;
42 int mc_fs;
43 int mc_es;
44 int mc_ds;
45 int mc_edi;
46 int mc_esi;
47 int mc_ebp;
48 int mc_isp;
49 int mc_ebx;
50 int mc_edx;
51 int mc_ecx;
52 int mc_eax;
53 int mc_trapno;
54 int mc_err;
55 int mc_eip;
56 int mc_cs;
57 int mc_eflags;
58 int mc_esp; /* machine state */
59 int mc_ss;
60
61 int mc_fpregs[28]; /* env87 + fpacc87 + u_long */
62 int __spare__[17];
63 } mcontext_t;
64
65 #endif /* !_MACHINE_UCONTEXT_H_ */
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