xnu-792.13.8.tar.gz

[apple/xnu.git] / EXTERNAL_HEADERS / architecture / ppc / cframe.h

diff --git a/EXTERNAL_HEADERS/architecture/ppc/cframe.h b/EXTERNAL_HEADERS/architecture/ppc/cframe.h
index 80a08ab6c0910a5e38225f1cf32294c786633112..1a26a98256d4a923e3673d7a15fd5684dc8a5c33 100644 (file)
--- a/EXTERNAL_HEADERS/architecture/ppc/cframe.h
+++ b/EXTERNAL_HEADERS/architecture/ppc/cframe.h
@@ -1,23 +1,31 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
  * 
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- * 
- * This 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 OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- * 
- * @APPLE_LICENSE_HEADER_END@
+ * 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@
  */
 /* Copyright (c) 1991 NeXT Software, Inc.  All rights reserved.
  *
@@ -26,21 +34,19 @@
  *
  *     This include file defines C calling sequence defines
  *     for ppc port.
- *
- * HISTORY
- * 20-May-97  Umesh Vaishampayan  (umeshv@apple.com)
- *     Added C_RED_ZONE.
- * 29-Dec-96  Umesh Vaishampayan  (umeshv@NeXT.com)
- *     Ported from m98k.
- * 11-June-91  Mike DeMoney (mike@next.com)
- *     Created.
  */
 
 #ifndef        _ARCH_PPC_CFRAME_H_
 #define        _ARCH_PPC_CFRAME_H_
 
+#if defined (__ppc64__)
+#define        C_ARGSAVE_LEN   64      /* at least 64 bytes of arg save */
+#define        C_STACK_ALIGN   32      /* stack must be 32 byte aligned */
+#define        C_RED_ZONE      320     /* 320 bytes to skip over saved registers */
+#else
 #define        C_ARGSAVE_LEN   32      /* at least 32 bytes of arg save */
 #define        C_STACK_ALIGN   16      /* stack must be 16 byte aligned */
-#define        C_RED_ZONE      244     /* 224 bytes to skip over saved registers */
+#define        C_RED_ZONE      224     /* 224 bytes to skip over saved registers */
+#endif
 
 #endif /* _ARCH_PPC_CFRAME_H_ */