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 __I386_MCONTEXT_H_
30#define __I386_MCONTEXT_H_
31
32#include <sys/appleapiopts.h>
33#include <mach/i386/_structs.h>
34
35#ifndef _STRUCT_MCONTEXT32
36#if __DARWIN_UNIX03
37#define	_STRUCT_MCONTEXT32	struct __darwin_mcontext32
38_STRUCT_MCONTEXT32
39{
40	_STRUCT_X86_EXCEPTION_STATE32	__es;
41	_STRUCT_X86_THREAD_STATE32	__ss;
42	_STRUCT_X86_FLOAT_STATE32	__fs;
43};
44
45#define	_STRUCT_MCONTEXT_AVX32	struct __darwin_mcontext_avx32
46_STRUCT_MCONTEXT_AVX32
47{
48	_STRUCT_X86_EXCEPTION_STATE32	__es;
49	_STRUCT_X86_THREAD_STATE32	__ss;
50	_STRUCT_X86_AVX_STATE32		__fs;
51};
52
53#else /* !__DARWIN_UNIX03 */
54#define	_STRUCT_MCONTEXT32	struct mcontext32
55_STRUCT_MCONTEXT32
56{
57	_STRUCT_X86_EXCEPTION_STATE32	es;
58	_STRUCT_X86_THREAD_STATE32	ss;
59	_STRUCT_X86_FLOAT_STATE32	fs;
60};
61
62#define	_STRUCT_MCONTEXT_AVX32	struct mcontext_avx32
63_STRUCT_MCONTEXT_AVX32
64{
65	_STRUCT_X86_EXCEPTION_STATE32	es;
66	_STRUCT_X86_THREAD_STATE32	ss;
67	_STRUCT_X86_AVX_STATE32		fs;
68};
69
70#endif /* __DARWIN_UNIX03 */
71#endif /* _STRUCT_MCONTEXT32 */
72
73#ifndef _STRUCT_MCONTEXT64
74#if __DARWIN_UNIX03
75#define	_STRUCT_MCONTEXT64	struct __darwin_mcontext64
76_STRUCT_MCONTEXT64
77{
78	_STRUCT_X86_EXCEPTION_STATE64	__es;
79	_STRUCT_X86_THREAD_STATE64	__ss;
80	_STRUCT_X86_FLOAT_STATE64	__fs;
81};
82
83#define	_STRUCT_MCONTEXT_AVX64	struct __darwin_mcontext_avx64
84_STRUCT_MCONTEXT_AVX64
85{
86	_STRUCT_X86_EXCEPTION_STATE64	__es;
87	_STRUCT_X86_THREAD_STATE64	__ss;
88	_STRUCT_X86_AVX_STATE64		__fs;
89};
90
91#else /* !__DARWIN_UNIX03 */
92#define	_STRUCT_MCONTEXT64	struct mcontext64
93_STRUCT_MCONTEXT64
94{
95	_STRUCT_X86_EXCEPTION_STATE64	es;
96	_STRUCT_X86_THREAD_STATE64	ss;
97	_STRUCT_X86_FLOAT_STATE64	fs;
98};
99
100#define	_STRUCT_MCONTEXT_AVX64	struct mcontext_avx64
101_STRUCT_MCONTEXT_AVX64
102{
103	_STRUCT_X86_EXCEPTION_STATE64	es;
104	_STRUCT_X86_THREAD_STATE64	ss;
105	_STRUCT_X86_AVX_STATE64		fs;
106};
107
108#endif /* __DARWIN_UNIX03 */
109#endif /* _STRUCT_MCONTEXT64 */
110
111
112#ifndef _MCONTEXT_T
113#define _MCONTEXT_T
114#if defined(__LP64__)
115typedef _STRUCT_MCONTEXT64	*mcontext_t;
116#define _STRUCT_MCONTEXT _STRUCT_MCONTEXT64
117#else
118typedef _STRUCT_MCONTEXT32	*mcontext_t;
119#define _STRUCT_MCONTEXT	_STRUCT_MCONTEXT32
120#endif
121#endif /* _MCONTEXT_T */
122
123
124#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
125#ifndef I386_MCONTEXT_SIZE
126#define I386_MCONTEXT_SIZE	sizeof(struct mcontext)
127#endif /* I386_MCONTEXT_SIZE */
128#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
129
130#endif /* __I386_MCONTEXT_H_ */
131