xnu-1504.3.12.tar.gz

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

diff --git a/bsd/sys/ucontext.h b/bsd/sys/ucontext.h
index 18f0c4a02cfad0ce5f59f3a29c3eb14176f5caab..b31d50ed3d0738ce60180160d2a6839a950b44e5 100644 (file)
--- a/bsd/sys/ucontext.h
+++ b/bsd/sys/ucontext.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002-2005 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2002-2006 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
@@ -31,56 +31,45 @@
 
 #include <sys/cdefs.h>
 #include <sys/_types.h>
-#include <machine/ucontext.h>
+
+#define __need_mcontext_t
+#define __need_stack_t
+#define __need_ucontext_t
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
+#if defined(__ppc__) || defined(__ppc64__)
+#define __need_mcontext64_t
+#define __need_ucontext64_t
+#endif /* __ppc__|| __ppc64__  */ 
+#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */
+#include <sys/_structs.h>
 
 #ifndef _SIGSET_T
 #define _SIGSET_T
 typedef __darwin_sigset_t      sigset_t;
 #endif
 
-#ifndef _STACK_T
-#define _STACK_T
-typedef __darwin_stack_t       stack_t;
-#endif
-
-#ifndef _UCONTEXT_T
-#define _UCONTEXT_T
-#ifndef _POSIX_C_SOURCE
-typedef struct ucontext        ucontext_t;
-#else /* _POSIX_C_SOURCE */
-typedef struct __darwin_ucontext ucontext_t;
-#endif /* _POSIX_C_SOURCE */
-#endif
-
-#ifndef _POSIX_C_SOURCE
-#ifndef _UCONTEXT64_T
-#define _UCONTEXT64_T
-typedef struct ucontext64      ucontext64_t;
-#endif
-#endif /* _POSIX_C_SOURCE */
-
 #ifdef KERNEL
 #include <machine/types.h>     /* user_addr_t, user_size_t */
 
-#if __DARWIN_ALIGN_NATURAL
-#pragma options align=natural
-#endif
-
 /* kernel representation of struct ucontext64 for 64 bit processes */
-struct user_ucontext64 {
+typedef struct user_ucontext64 {
        int                             uc_onstack;
        sigset_t                        uc_sigmask;     /* signal mask */
-       struct user_sigaltstack         uc_stack;       /* stack */
+       struct user64_sigaltstack       uc_stack;       /* stack */
        user_addr_t                     uc_link;        /* ucontext pointer */
        user_size_t                     uc_mcsize;      /* mcontext size */
        user_addr_t                     uc_mcontext64;  /* machine context */
-};
+} user_ucontext64_t;
 
-#if __DARWIN_ALIGN_NATURAL
-#pragma options align=reset
-#endif
+typedef struct user_ucontext32 {
+       int                             uc_onstack;
+       sigset_t                        uc_sigmask;     /* signal mask */
+       struct user32_sigaltstack       uc_stack;       /* stack */
+       user32_addr_t                   uc_link;        /* ucontext pointer */
+       user32_size_t                   uc_mcsize;      /* mcontext size */
+       user32_addr_t                   uc_mcontext;    /* machine context */
+} user_ucontext32_t;
 
-typedef struct user_ucontext64 user_ucontext64_t;
 #endif /* KERNEL */
 
 #endif /* _SYS_UCONTEXT_H_ */