bsd/i386/ucontext.h

   1 /*
   2  * Copyright (c) 2002 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 _I386_UCONTEXT_H_
  30 #define _I386_UCONTEXT_H_
  31
  32
  33 #include <sys/appleapiopts.h>
  34 #include <mach/thread_status.h>
  35
  36 #if !__DARWIN_UNIX03
  37 struct mcontext
  38 #else /* __DARWIN_UNIX03 */
  39 struct __darwin_mcontext
  40 #endif /* __DARWIN_UNIX03 */
  41 {
  42         i386_exception_state_t  es;
  43         i386_thread_state_t     ss;
  44         i386_float_state_t      fs;
  45 };
  46
  47 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
  48 #define I386_MCONTEXT_SIZE      (i386_THREAD_STATE_COUNT + i386_FLOAT_STATE_COUNT + I386_EXCEPTION_STATE_COUNT) * sizeof(int)
  49 #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */
  50
  51 #ifndef _MCONTEXT_T
  52 #define _MCONTEXT_T
  53 #if defined(__LP64__)
  54 typedef __darwin_mcontext64_t   mcontext_t;
  55 #else
  56 typedef __darwin_mcontext32_t   mcontext_t;
  57 #endif
  58 #endif
  59
  60 //#endif
  61
  62
  63 #endif /* _I386_UCONTEXT_H_ */