source: branches/libc-0.6/src/emx/include/386/ucontext.h

Last change on this file was 1574, checked in by bird, 21 years ago

Signal changes - enabled by NEW_SIGNALS.
  • Property cvs2svn:cvs-rev set to 1.1
  • Property svn:eol-style set to native
  • Property svn:executable set to *
  • Property svn:keywords set to Author Date Id Revision
File size: 3.3 KB
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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/ucontext.h,v 1.10 2002/12/02 19:58:55 deischen Exp $
29 */
30
31/** @file
32 * FreeBSD 5.1
33 */
34
35#ifndef _MACHINE_UCONTEXT_H_
36#define _MACHINE_UCONTEXT_H_
37
38typedef struct __mcontext {
39 /*
40 * The first 20 fields must match the definition of
41 * sigcontext. So that we can support sigcontext
42 * and ucontext_t at the same time.
43 */
44 int mc_onstack; /* XXX - sigcontext compat. */
45 int mc_gs; /* machine state (struct trapframe) */
46 int mc_fs;
47 int mc_es;
48 int mc_ds;
49 int mc_edi;
50 int mc_esi;
51 int mc_ebp;
52 int mc_isp;
53 int mc_ebx;
54 int mc_edx;
55 int mc_ecx;
56 int mc_eax;
57 int mc_trapno;
58 int mc_err;
59 int mc_eip;
60 int mc_cs;
61 int mc_eflags;
62 int mc_esp;
63 int mc_ss;
64
65 int mc_len; /* sizeof(mcontext_t) */
66#define _MC_FPFMT_NODEV 0x10000 /* device not present or configured */
67#define _MC_FPFMT_387 0x10001
68#define _MC_FPFMT_XMM 0x10002
69 int mc_fpformat;
70#define _MC_FPOWNED_NONE 0x20000 /* FP state not used */
71#define _MC_FPOWNED_FPU 0x20001 /* FP state came from FPU */
72#define _MC_FPOWNED_PCB 0x20002 /* FP state came from PCB */
73 int mc_ownedfp;
74 int mc_spare1[1]; /* align next field to 16 bytes */
75 /*
76 * See <machine/npx.h> for the internals of mc_fpstate[].
77 */
78 int mc_fpstate[128] __aligned(16);
79 int mc_spare2[8];
80} mcontext_t;
81
82#if defined(_KERNEL) && defined(COMPAT_FREEBSD4)
83struct mcontext4 {
84 int mc_onstack; /* XXX - sigcontext compat. */
85 int mc_gs; /* machine state (struct trapframe) */
86 int mc_fs;
87 int mc_es;
88 int mc_ds;
89 int mc_edi;
90 int mc_esi;
91 int mc_ebp;
92 int mc_isp;
93 int mc_ebx;
94 int mc_edx;
95 int mc_ecx;
96 int mc_eax;
97 int mc_trapno;
98 int mc_err;
99 int mc_eip;
100 int mc_cs;
101 int mc_eflags;
102 int mc_esp; /* machine state */
103 int mc_ss;
104 int mc_fpregs[28]; /* env87 + fpacc87 + u_long */
105 int __spare__[17];
106};
107#endif
108
109#endif /* !_MACHINE_UCONTEXT_H_ */
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