xref: /freebsd/sys/i386/include/ucontext.h (revision 595e514d0df2bac5b813d35f83e32875dbf16a83)
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 #if defined(_KERNEL) && defined(COMPAT_FREEBSD4)
35 struct mcontext4 {
36 	__register_t	mc_onstack;	/* XXX - sigcontext compat. */
37 	__register_t	mc_gs;		/* machine state (struct trapframe) */
38 	__register_t	mc_fs;
39 	__register_t	mc_es;
40 	__register_t	mc_ds;
41 	__register_t	mc_edi;
42 	__register_t	mc_esi;
43 	__register_t	mc_ebp;
44 	__register_t	mc_isp;
45 	__register_t	mc_ebx;
46 	__register_t	mc_edx;
47 	__register_t	mc_ecx;
48 	__register_t	mc_eax;
49 	__register_t	mc_trapno;
50 	__register_t	mc_err;
51 	__register_t	mc_eip;
52 	__register_t	mc_cs;
53 	__register_t	mc_eflags;
54 	__register_t	mc_esp;		/* machine state */
55 	__register_t	mc_ss;
56 	__register_t	mc_fpregs[28];	/* env87 + fpacc87 + u_long */
57 	__register_t	__spare__[17];
58 };
59 #endif
60 
61 #include <x86/ucontext.h>
62 
63 #endif /* !_MACHINE_UCONTEXT_H_ */
64