xref: /freebsd/sys/i386/include/ucontext.h (revision b9f654b163bce26de79705e77b872427c9f2afa1)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 1999 Marcel Moolenaar
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer
12  *    in this position and unchanged.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. The name of the author may not be used to endorse or promote products
17  *    derived from this software without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  *
30  * $FreeBSD$
31  */
32 
33 #ifndef _MACHINE_UCONTEXT_H_
34 #define	_MACHINE_UCONTEXT_H_
35 
36 #if defined(_KERNEL) && defined(COMPAT_FREEBSD4)
37 struct mcontext4 {
38 	__register_t	mc_onstack;	/* XXX - sigcontext compat. */
39 	__register_t	mc_gs;		/* machine state (struct trapframe) */
40 	__register_t	mc_fs;
41 	__register_t	mc_es;
42 	__register_t	mc_ds;
43 	__register_t	mc_edi;
44 	__register_t	mc_esi;
45 	__register_t	mc_ebp;
46 	__register_t	mc_isp;
47 	__register_t	mc_ebx;
48 	__register_t	mc_edx;
49 	__register_t	mc_ecx;
50 	__register_t	mc_eax;
51 	__register_t	mc_trapno;
52 	__register_t	mc_err;
53 	__register_t	mc_eip;
54 	__register_t	mc_cs;
55 	__register_t	mc_eflags;
56 	__register_t	mc_esp;		/* machine state */
57 	__register_t	mc_ss;
58 	__register_t	mc_fpregs[28];	/* env87 + fpacc87 + u_long */
59 	__register_t	__spare__[17];
60 };
61 #endif
62 
63 #include <x86/ucontext.h>
64 
65 #endif /* !_MACHINE_UCONTEXT_H_ */
66