xref: /xnu-8792.41.9/bsd/sys/ucontext.h (revision 5c2921b07a2480ab43ec66f5b9e41cb872bc554f)
1*5c2921b0SApple OSS Distributions /*
2*5c2921b0SApple OSS Distributions  * Copyright (c) 2002-2006 Apple Computer, Inc. All rights reserved.
3*5c2921b0SApple OSS Distributions  *
4*5c2921b0SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*5c2921b0SApple OSS Distributions  *
6*5c2921b0SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*5c2921b0SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*5c2921b0SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*5c2921b0SApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*5c2921b0SApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*5c2921b0SApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*5c2921b0SApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*5c2921b0SApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*5c2921b0SApple OSS Distributions  *
15*5c2921b0SApple OSS Distributions  * Please obtain a copy of the License at
16*5c2921b0SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*5c2921b0SApple OSS Distributions  *
18*5c2921b0SApple OSS Distributions  * The Original Code and all software distributed under the License are
19*5c2921b0SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*5c2921b0SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*5c2921b0SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*5c2921b0SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*5c2921b0SApple OSS Distributions  * Please see the License for the specific language governing rights and
24*5c2921b0SApple OSS Distributions  * limitations under the License.
25*5c2921b0SApple OSS Distributions  *
26*5c2921b0SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*5c2921b0SApple OSS Distributions  */
28*5c2921b0SApple OSS Distributions 
29*5c2921b0SApple OSS Distributions #ifndef _SYS_UCONTEXT_H_
30*5c2921b0SApple OSS Distributions #define _SYS_UCONTEXT_H_
31*5c2921b0SApple OSS Distributions 
32*5c2921b0SApple OSS Distributions #include <sys/cdefs.h>
33*5c2921b0SApple OSS Distributions #include <sys/_types.h>
34*5c2921b0SApple OSS Distributions 
35*5c2921b0SApple OSS Distributions #include <machine/_mcontext.h>
36*5c2921b0SApple OSS Distributions #include <sys/_types/_ucontext.h>
37*5c2921b0SApple OSS Distributions 
38*5c2921b0SApple OSS Distributions #include <sys/_types/_sigset_t.h>
39*5c2921b0SApple OSS Distributions 
40*5c2921b0SApple OSS Distributions #ifdef KERNEL
41*5c2921b0SApple OSS Distributions #include <machine/types.h>      /* user_addr_t, user_size_t */
42*5c2921b0SApple OSS Distributions 
43*5c2921b0SApple OSS Distributions /* kernel representation of struct ucontext64 for 64 bit processes */
44*5c2921b0SApple OSS Distributions typedef struct user_ucontext64 {
45*5c2921b0SApple OSS Distributions 	int                             uc_onstack;
46*5c2921b0SApple OSS Distributions 	sigset_t                        uc_sigmask;     /* signal mask */
47*5c2921b0SApple OSS Distributions 	struct user64_sigaltstack       uc_stack;       /* stack */
48*5c2921b0SApple OSS Distributions 	user_addr_t                     uc_link;        /* ucontext pointer */
49*5c2921b0SApple OSS Distributions 	user_size_t                     uc_mcsize;      /* mcontext size */
50*5c2921b0SApple OSS Distributions 	user_addr_t                     uc_mcontext64;  /* machine context */
51*5c2921b0SApple OSS Distributions } user_ucontext64_t;
52*5c2921b0SApple OSS Distributions 
53*5c2921b0SApple OSS Distributions typedef struct user_ucontext32 {
54*5c2921b0SApple OSS Distributions 	int                             uc_onstack;
55*5c2921b0SApple OSS Distributions 	sigset_t                        uc_sigmask;     /* signal mask */
56*5c2921b0SApple OSS Distributions 	struct user32_sigaltstack       uc_stack;       /* stack */
57*5c2921b0SApple OSS Distributions 	user32_addr_t                   uc_link;        /* ucontext pointer */
58*5c2921b0SApple OSS Distributions 	user32_size_t                   uc_mcsize;      /* mcontext size */
59*5c2921b0SApple OSS Distributions 	user32_addr_t                   uc_mcontext;    /* machine context */
60*5c2921b0SApple OSS Distributions } user_ucontext32_t;
61*5c2921b0SApple OSS Distributions 
62*5c2921b0SApple OSS Distributions #endif  /* KERNEL */
63*5c2921b0SApple OSS Distributions 
64*5c2921b0SApple OSS Distributions #endif /* _SYS_UCONTEXT_H_ */
65