xnu-1456.1.26.tar.gz

[apple/xnu.git] / bsd / i386 / ucontext.h

diff --git a/bsd/i386/ucontext.h b/bsd/i386/ucontext.h
index 805db5bd2700786267909d736a3bdf49f8c4e0df..acae1f055b7b5b173896cafeec4826765ffa422b 100644 (file)
--- a/bsd/i386/ucontext.h
+++ b/bsd/i386/ucontext.h
@@ -1,14 +1,19 @@
 /*
  * Copyright (c) 2002 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ * 
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
  * 
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
@@ -18,7 +23,7 @@
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 
 #ifndef _I386_UCONTEXT_H_
@@ -28,42 +33,31 @@
 #include <sys/appleapiopts.h>
 #include <mach/thread_status.h>
 
-#ifdef __APPLE_API_UNSTABLE
-/* WARNING: THIS WILL CHANGE;  DO NOT COUNT ON THIS */
-/* Needs to be finalized as to what it should contain */
-#ifndef _POSIX_C_SOURCE
+#if !__DARWIN_UNIX03
 struct mcontext
-#else /* _POSIX_C_SOURCE */
+#else /* __DARWIN_UNIX03 */
 struct __darwin_mcontext
-#endif /* _POSIX_C_SOURCE */
+#endif /* __DARWIN_UNIX03 */
 {
-       struct sigcontext sc;
+       i386_exception_state_t  es;
+       i386_thread_state_t     ss;     
+       i386_float_state_t      fs;
 };
 
-#ifndef _POSIX_C_SOURCE
-#define I386_MCONTEXT_SIZE     sizeof(struct mcontext) 
-#endif /* _POSIX_C_SOURCE */
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
+#define I386_MCONTEXT_SIZE     (i386_THREAD_STATE_COUNT + i386_FLOAT_STATE_COUNT + I386_EXCEPTION_STATE_COUNT) * sizeof(int)
+#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */
 
 #ifndef _MCONTEXT_T
 #define _MCONTEXT_T
-typedef __darwin_mcontext_t    mcontext_t;
+#if defined(__LP64__)
+typedef __darwin_mcontext64_t  mcontext_t;
+#else
+typedef __darwin_mcontext32_t  mcontext_t;
 #endif
-
-#ifndef _POSIX_C_SOURCE
-
-struct mcontext64
-{
-       struct sigcontext sc;
-};
-#define I386_MCONTEXT64_SIZE   sizeof(struct mcontext64)       
-
-#ifndef _MCONTEXT64_T
-#define _MCONTEXT64_T
-typedef struct mcontext64 * mcontext64_t;
 #endif
 
-#endif /* _POSIX_C_SOURCE */
+//#endif
 
-#endif /* __APPLE_API_UNSTABLE */
 
 #endif /* _I386_UCONTEXT_H_ */