1/* $NetBSD: ucontext.h,v 1.6 2012/05/21 14:15:19 martin Exp $ */
2
3/*-
4 * Copyright (c) 1999, 2003 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Klaus Klein, and by Jason R. Thorpe.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef _COMPAT_SYS_UCONTEXT_H_
33#define _COMPAT_SYS_UCONTEXT_H_
34
35#if defined(_KERNEL_OPT)
36#include "opt_compat_netbsd32.h"
37#endif
38
39#include <compat/sys/sigtypes.h>
40
41#if defined(COMPAT_NETBSD32) && defined(_KERNEL)
42
43typedef struct __ucontext32 ucontext32_t;
44
45struct __ucontext32 {
46 unsigned int uc_flags; /* properties */
47 uint32_t uc_link; /* context to resume */
48 sigset_t uc_sigmask; /* signals blocked in this context */
49 stack32_t uc_stack; /* the stack used by this context */
50 mcontext32_t uc_mcontext; /* machine state */
51#if defined(_UC_MACHINE32_PAD)
52 int __uc_pad[_UC_MACHINE32_PAD];
53#endif
54};
55
56#ifdef __UCONTEXT32_SIZE
57__CTASSERT(sizeof(ucontext32_t) == __UCONTEXT32_SIZE);
58#endif
59
60#endif /* COMPAT_NETBSD32 && _KERNEL */
61
62#ifdef _KERNEL
63#ifdef COMPAT_NETBSD32
64struct lwp;
65void getucontext32(struct lwp *, ucontext32_t *);
66int setucontext32(struct lwp *, const ucontext32_t *);
67int cpu_mcontext32_validate(struct lwp *, const mcontext32_t *);
68void cpu_getmcontext32(struct lwp *, mcontext32_t *, unsigned int *);
69int cpu_setmcontext32(struct lwp *, const mcontext32_t *, unsigned int);
70#endif /* COMPAT_NETBSD32 */
71#endif /* _KERNEL */
72
73#endif /* !_COMPAT_SYS_UCONTEXT_H_ */
74