xref: /xnu-11215.1.10/bsd/arm/_mcontext.h (revision 8d741a5de7ff4191bf97d57b9f54c2f6d4a15585)
1 /*
2  * Copyright (c) 2003-2012 Apple 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 __ARM_MCONTEXT_H_
30 #define __ARM_MCONTEXT_H_
31 
32 #if defined (__arm__) || defined (__arm64__)
33 
34 #include <sys/cdefs.h> /* __DARWIN_UNIX03 */
35 #include <sys/appleapiopts.h>
36 #include <mach/machine/_structs.h>
37 
38 #ifndef _STRUCT_MCONTEXT32
39 #if __DARWIN_UNIX03
40 #define _STRUCT_MCONTEXT32        struct __darwin_mcontext32
41 _STRUCT_MCONTEXT32
42 {
43 	_STRUCT_ARM_EXCEPTION_STATE     __es;
44 	_STRUCT_ARM_THREAD_STATE        __ss;
45 	_STRUCT_ARM_VFP_STATE           __fs;
46 };
47 
48 #else /* !__DARWIN_UNIX03 */
49 #define _STRUCT_MCONTEXT32        struct mcontext32
50 _STRUCT_MCONTEXT32
51 {
52 	_STRUCT_ARM_EXCEPTION_STATE     es;
53 	_STRUCT_ARM_THREAD_STATE        ss;
54 	_STRUCT_ARM_VFP_STATE           fs;
55 };
56 
57 #endif /* __DARWIN_UNIX03 */
58 #endif /* _STRUCT_MCONTEXT32 */
59 
60 
61 #ifndef _STRUCT_MCONTEXT64
62 #if __DARWIN_UNIX03
63 #define _STRUCT_MCONTEXT64      struct __darwin_mcontext64
64 _STRUCT_MCONTEXT64
65 {
66 	_STRUCT_ARM_EXCEPTION_STATE64   __es;
67 	_STRUCT_ARM_THREAD_STATE64      __ss;
68 	_STRUCT_ARM_NEON_STATE64        __ns;
69 };
70 
71 #else /* !__DARWIN_UNIX03 */
72 #define _STRUCT_MCONTEXT64      struct mcontext64
73 _STRUCT_MCONTEXT64
74 {
75 	_STRUCT_ARM_EXCEPTION_STATE64   es;
76 	_STRUCT_ARM_THREAD_STATE64      ss;
77 	_STRUCT_ARM_NEON_STATE64        ns;
78 };
79 #endif /* __DARWIN_UNIX03 */
80 #endif /* _STRUCT_MCONTEXT32 */
81 
82 #ifndef _MCONTEXT_T
83 #define _MCONTEXT_T
84 #if defined(__arm64__)
85 typedef _STRUCT_MCONTEXT64      *mcontext_t;
86 #define _STRUCT_MCONTEXT _STRUCT_MCONTEXT64
87 #else
88 typedef _STRUCT_MCONTEXT32      *mcontext_t;
89 #define _STRUCT_MCONTEXT        _STRUCT_MCONTEXT32
90 #endif
91 #endif /* _MCONTEXT_T */
92 
93 #endif /* defined (__arm__) || defined (__arm64__) */
94 
95 #endif /* __ARM_MCONTEXT_H_ */
96