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
31#ifndef _MACHINE_UCONTEXT_H_
32#define	_MACHINE_UCONTEXT_H_
33
34#if defined(_KERNEL) && defined(COMPAT_FREEBSD4)
35struct freebsd4_mcontext {
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
60struct freebsd4_ucontext {
61	sigset_t	uc_sigmask;
62	struct freebsd4_mcontext uc_mcontext;
63	struct freebsd4_ucontext *uc_link;
64	stack_t		uc_stack;
65	int		__spare__[8];
66};
67#endif
68
69#include <x86/ucontext.h>
70
71#endif /* !_MACHINE_UCONTEXT_H_ */