xnu-792.21.3.tar.gz

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

diff --git a/bsd/sys/cdefs.h b/bsd/sys/cdefs.h
index 46607547e4e54a7d049f6efd7999f91485015104..51c41845b7f657b02059c5bc65a5fd6787ba9b03 100644 (file)
--- a/bsd/sys/cdefs.h
+++ b/bsd/sys/cdefs.h
@@ -1,23 +1,29 @@
 /*
  * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_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 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.
  * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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 OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * 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_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /* Copyright 1995 NeXT Computer, Inc. All rights reserved. */
 /*
@@ -327,7 +333,7 @@
 #   define     __DARWIN_LDBL_COMPAT2(x) /* nothing */
 #   define     __DARWIN_LONG_DOUBLE_IS_DOUBLE  1
 #  endif
-#elif defined(__i386__) || defined(__ppc64__) || defined(__x86_64__)
+#elif defined(__i386__) || defined(__ppc64__)
 #  define      __DARWIN_LDBL_COMPAT(x) /* nothing */
 #  define      __DARWIN_LDBL_COMPAT2(x) /* nothing */
 #  define      __DARWIN_LONG_DOUBLE_IS_DOUBLE  0
@@ -335,4 +341,26 @@
 #  error Unknown architecture
 #endif
 
+/*
+ * Structure alignment control macros.  These specify how certain
+ * shared structures should be aligned.  Some may need backward
+ * compatible legacy (POWER) alignment, while others may need
+ * forward compatible (NATURAL) alignment.
+ */
+#if !defined(__DARWIN_ALIGN_POWER)
+#if defined(__ppc64__)
+#define __DARWIN_ALIGN_POWER 1
+#else
+#define __DARWIN_ALIGN_POWER 0
+#endif
+#endif /* __DARWIN_ALIGN_POWER */
+
+#if !defined(__DARWIN_ALIGN_NATURAL)
+#if defined(__ppc__) && defined(KERNEL)
+#define __DARWIN_ALIGN_NATURAL 1
+#else
+#define __DARWIN_ALIGN_NATURAL 0
+#endif
+#endif /* __DARWIN_ALIGN_NATURAL */
+
 #endif /* !_CDEFS_H_ */