1/*
2 * Copyright (c) 2002-2006 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28
29#ifndef _SYS_UCONTEXT_H_
30#define _SYS_UCONTEXT_H_
31
32#include <sys/cdefs.h>
33#include <sys/_types.h>
34
35#include <machine/_mcontext.h>
36#include <sys/_types/_sigaltstack.h>
37#include <sys/_types/_ucontext.h>
38
39#include <sys/_types/_sigset_t.h>
40
41#ifdef KERNEL
42#include <machine/types.h> /* user_addr_t, user_size_t */
43
44/* kernel representation of struct ucontext64 for 64 bit processes */
45typedef struct user_ucontext64 {
46 int uc_onstack;
47 sigset_t uc_sigmask; /* signal mask */
48 struct user64_sigaltstack uc_stack; /* stack */
49 user_addr_t uc_link; /* ucontext pointer */
50 user_size_t uc_mcsize; /* mcontext size */
51 user_addr_t uc_mcontext64; /* machine context */
52} user_ucontext64_t;
53
54typedef struct user_ucontext32 {
55 int uc_onstack;
56 sigset_t uc_sigmask; /* signal mask */
57 struct user32_sigaltstack uc_stack; /* stack */
58 user32_addr_t uc_link; /* ucontext pointer */
59 user32_size_t uc_mcsize; /* mcontext size */
60 user32_addr_t uc_mcontext; /* machine context */
61} user_ucontext32_t;
62
63#endif /* KERNEL */
64
65#endif /* _SYS_UCONTEXT_H_ */
66