xnu-792.17.14.tar.gz

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

diff --git a/bsd/i386/ucontext.h b/bsd/i386/ucontext.h
index b26c486e6e96d39dd2155d8db11c3f52e4a8ca59..0ce0243b3d0dd870e67ed7890a768de988b5e4e3 100644 (file)
--- a/bsd/i386/ucontext.h
+++ b/bsd/i386/ucontext.h
@@ -1,31 +1,29 @@
 /*
  * Copyright (c) 2002 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_OSREFERENCE_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.  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 
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
- * Please see the License for the specific language governing rights and 
+ * 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. 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
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
  * limitations under the License.
- *
- * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
+ * 
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 
 #ifndef _I386_UCONTEXT_H_
@@ -35,29 +33,20 @@
 #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
 struct mcontext
 #else /* _POSIX_C_SOURCE */
 struct __darwin_mcontext
 #endif /* _POSIX_C_SOURCE */
 {
-#if __LP64__
-       x86_exception_state64_t es;
-       x86_thread_state64_t    ss;     
-       x86_float_state64_t     fs;
-#else
-       x86_exception_state32_t es;
-       x86_thread_state32_t    ss;     
-       x86_float_state32_t     fs;
-#endif
+       struct sigcontext sc;
 };
 
 #ifndef _POSIX_C_SOURCE
-#if __LP64__
-#define I386_MCONTEXT_SIZE     (x86_THREAD_STATE64_COUNT + x86_FLOAT_STATE64_COUNT + x86_EXCEPTION_STATE64_COUNT) * sizeof(int)
-#else
-#define I386_MCONTEXT_SIZE     (x86_THREAD_STATE32_COUNT + x86_FLOAT_STATE32_COUNT + x86_EXCEPTION_STATE32_COUNT) * sizeof(int)
-#endif
+#define I386_MCONTEXT_SIZE     sizeof(struct mcontext) 
 #endif /* _POSIX_C_SOURCE */
 
 #ifndef _MCONTEXT_T
@@ -65,20 +54,21 @@ struct __darwin_mcontext
 typedef __darwin_mcontext_t    mcontext_t;
 #endif
 
+#ifndef _POSIX_C_SOURCE
 
-#ifdef XNU_KERNEL_PRIVATE
-struct mcontext64 {
-       x86_exception_state64_t es;
-       x86_thread_state64_t    ss;     
-       x86_float_state64_t     fs;
+struct mcontext64
+{
+       struct sigcontext sc;
 };
+#define I386_MCONTEXT64_SIZE   sizeof(struct mcontext64)       
 
-struct mcontext32 {
-       x86_exception_state32_t es;
-       x86_thread_state32_t    ss;     
-       x86_float_state32_t     fs;
-};
+#ifndef _MCONTEXT64_T
+#define _MCONTEXT64_T
+typedef struct mcontext64 * mcontext64_t;
 #endif
 
+#endif /* _POSIX_C_SOURCE */
+
+#endif /* __APPLE_API_UNSTABLE */
 
 #endif /* _I386_UCONTEXT_H_ */