xref: /netbsd/sys/compat/sys/ucontext.h (revision 6550d01e)
1 /*	$NetBSD: ucontext.h,v 1.3 2008/04/28 20:23:46 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 
43 typedef struct __ucontext32       ucontext32_t;
44 
45 struct __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 #endif /* COMPAT_NETBSD32 && _KERNEL */
57 
58 #ifdef _KERNEL
59 #ifdef COMPAT_NETBSD32
60 struct lwp;
61 void	getucontext32(struct lwp *, ucontext32_t *);
62 int	setucontext32(struct lwp *, const ucontext32_t *);
63 void	cpu_getmcontext32(struct lwp *, mcontext32_t *, unsigned int *);
64 int	cpu_setmcontext32(struct lwp *, const mcontext32_t *, unsigned int);
65 #endif /* COMPAT_NETBSD32 */
66 #endif /* _KERNEL */
67 
68 #endif /* !_COMPAT_SYS_UCONTEXT_H_ */
69