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: head/sys/ia64/include/ucontext.h 66458 2000-09-29 13:46:07Z dfr $
29 */
30
31#ifndef _MACHINE_UCONTEXT_H_
32#define _MACHINE_UCONTEXT_H_
33
34#define IA64_MC_FLAG_ONSTACK 0
35#define IA64_MC_FLAG_IN_SYSCALL 1
36#define IA64_MC_FLAG_FPH_VALID 2
37
38typedef struct __mcontext {
39 /*
40 * These fields must match the definition
41 * of struct sigcontext. That way we can support
42 * struct sigcontext and ucontext_t at the same
43 * time.
44 *
45 * We use the same layout as Linux/ia64 to make emulation
46 * easier.
47 */
48 unsigned long mc_flags;
49 unsigned long mc_nat;
50 unsigned long mc_sp;
51 unsigned long mc_ip;
52 unsigned long mc_cfm;
53 unsigned long mc_um;
54 unsigned long mc_ar_rsc;
55 unsigned long mc_ar_bsp;
56 unsigned long mc_ar_rnat;
57 unsigned long mc_ar_ccv;
58 unsigned long mc_ar_unat;
59 unsigned long mc_ar_fpsr;
60 unsigned long mc_ar_pfs;
61 unsigned long mc_pr;
62 unsigned long mc_br[8];
63 unsigned long mc_gr[32];
64 struct ia64_fpreg mc_fr[128];
65} mcontext_t;
66
67#endif /* !_MACHINE_UCONTEXT_H_ */