xnu-1456.1.26.tar.gz

[apple/xnu.git] / bsd / ppc / setjmp.h

diff --git a/bsd/ppc/setjmp.h b/bsd/ppc/setjmp.h
index 417a2d6ae1c9cb3e3d0c5556b31f77645238a79f..27eb59ab0842364e99712c0afb8014e8ba19c0a2 100644 (file)
--- a/bsd/ppc/setjmp.h
+++ b/bsd/ppc/setjmp.h
@@ -1,16 +1,19 @@
 /*
- * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
- * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * @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
@@ -20,7 +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@
  */
 /* Copyright (c) 1998 Apple Computer, Inc.  All rights reserved.
  *
@@ -32,48 +35,86 @@
 #define _BSD_PPC_SETJMP_H_
 
 #include <sys/cdefs.h>
-#include <machine/signal.h>
+
+#define __need_struct_sigcontext
+#if defined(KERNEL)
+#define __need_struct_sigcontext32
+#define __need_struct_sigcontext64
+#endif /* KERNEL */
+#include <ppc/_structs.h>
 
 struct _jmp_buf {
-       struct sigcontext       sigcontext; /* kernel state preserved by set/longjmp */
-       unsigned long vmask __attribute__((aligned(8))); /* vector mask register */
-       unsigned long vreg[32 * 4] __attribute__((aligned(16)));
+#if __DARWIN_UNIX03
+       _STRUCT_SIGCONTEXT      __sigcontext; /* kernel state preserved by set/longjmp */
+       unsigned int __vmask __attribute__((aligned(8))); /* vector mask register */
+       unsigned int __vreg[32 * 4] __attribute__((aligned(16)));
                /* 32 128-bit vector registers */
+#else /* !__DARWIN_UNIX03 */
+       _STRUCT_SIGCONTEXT      sigcontext; /* kernel state preserved by set/longjmp */
+       unsigned int vmask __attribute__((aligned(8))); /* vector mask register */
+       unsigned int vreg[32 * 4] __attribute__((aligned(16)));
+               /* 32 128-bit vector registers */
+#endif /* __DARWIN_UNIX03 */
 };
 
 /*
  *     _JBLEN is number of ints required to save the following:
- *     r1, r2, r13-r31, lr, cr, ctr, xer, sig  == 26 ints
- *     fr14 -  fr31 = 18 doubles = 36 ints
+ *     r1, r2, r13-r31, lr, cr, ctr, xer, sig  == 26 register_t sized
+ *     fr14 -  fr31 = 18 doubles
  *     vmask, 32 vector registers = 129 ints
  *     2 ints to get all the elements aligned 
+ *
+ *     register_t is 2 ints for ppc64 threads
  */
+#define _JBLEN64       (26*2 + 18*2 + 129 + 1)
+#define _JBLEN32       (26 + 18*2 + 129 + 1)
+#define _JBLEN_MAX     _JBLEN64
 
-#define _JBLEN (26 + 36 + 129 + 1)
+/*
+ * Locally scoped sizes
+ */
+#if defined(__ppc64__)
+#define _JBLEN _JBLEN64
+#else
+#define _JBLEN _JBLEN32
+#endif
 
 #if defined(KERNEL)
-typedef struct sigcontext jmp_buf[1];
-typedef struct __sigjmp_buf {
-               int __storage[_JBLEN + 1] __attribute__((aligned(8)));
-               } sigjmp_buf[1];
+typedef _STRUCT_SIGCONTEXT32 jmp_buf32[1];
+typedef struct __sigjmp_buf32 {
+               int __storage[_JBLEN32 + 1] __attribute__((aligned(8)));
+               } sigjmp_buf32[1];
+
+typedef struct sigcontext64 jmp_buf64[1];
+typedef struct __sigjmp_buf64 {
+               int __storage[_JBLEN64 + 1] __attribute__((aligned(8)));
+               } sigjmp_buf64[1];
+
+/*
+ * JMM - have to decide how the kernel will deal with this.
+ * For now, hard-code the 32-bit types.
+ */
+typedef _STRUCT_SIGCONTEXT32 jmp_buf[1];
+typedef struct __sigjmp_buf32 sigjmp_buf[1];
+
 #else
 typedef int jmp_buf[_JBLEN];
 typedef int sigjmp_buf[_JBLEN + 1];
 #endif
 
 __BEGIN_DECLS
-extern int setjmp __P((jmp_buf env));
-extern void longjmp __P((jmp_buf env, int val));
+int    setjmp(jmp_buf);
+void   longjmp(jmp_buf, int);
 
 #ifndef _ANSI_SOURCE
-int sigsetjmp __P((sigjmp_buf env, int val));
-void siglongjmp __P((sigjmp_buf env, int val));
+int    _setjmp(jmp_buf);
+void   _longjmp(jmp_buf, int);
+int    sigsetjmp(sigjmp_buf, int);
+void   siglongjmp(sigjmp_buf, int);
 #endif /* _ANSI_SOURCE  */
 
-#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
-int    _setjmp __P((jmp_buf env));
-void   _longjmp __P((jmp_buf, int val));
-void   longjmperror __P((void));
+#if !defined(_ANSI_SOURCE) && (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
+void   longjmperror(void);
 #endif /* neither ANSI nor POSIX */
 __END_DECLS