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 | |
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 | #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 |
64 | struct lwp; |
65 | void getucontext32(struct lwp *, ucontext32_t *); |
66 | int setucontext32(struct lwp *, const ucontext32_t *); |
67 | int cpu_mcontext32_validate(struct lwp *, const mcontext32_t *); |
68 | void cpu_getmcontext32(struct lwp *, mcontext32_t *, unsigned int *); |
69 | int cpu_setmcontext32(struct lwp *, const mcontext32_t *, unsigned int); |
70 | #endif /* COMPAT_NETBSD32 */ |
71 | #endif /* _KERNEL */ |
72 | |
73 | #endif /* !_COMPAT_SYS_UCONTEXT_H_ */ |
74 | |