64-bit support for Mac OS X in base (NSPR)

base/third_party/nspr/prcpucfg_mac.h

Index: base/third_party/nspr/prcpucfg_mac.h
===================================================================
--- base/third_party/nspr/prcpucfg_mac.h	(revision 78986)
+++ base/third_party/nspr/prcpucfg_mac.h	(working copy)
@@ -44,7 +44,7 @@
 
 #define PR_AF_INET6 30  /* same as AF_INET6 */
 
-#if defined(i386)
+#ifdef __LITTLE_ENDIAN__
 #undef IS_BIG_ENDIAN
 #define  IS_LITTLE_ENDIAN 1
 #else
@@ -52,14 +52,64 @@
 #define  IS_BIG_ENDIAN 1
 #endif
 
+#ifdef __x86_64__
+#define IS_64
+#endif
+
+#ifndef HAVE_LONG_LONG
 #define	HAVE_LONG_LONG
+#endif
 #undef	HAVE_ALIGNED_DOUBLES
 #define	HAVE_ALIGNED_LONGLONGS 1
 
+#ifdef IS_64
+
 #define PR_BYTES_PER_BYTE   1
 #define PR_BYTES_PER_SHORT  2
 #define PR_BYTES_PER_INT    4
 #define PR_BYTES_PER_INT64  8
+#define PR_BYTES_PER_LONG   8
+#define PR_BYTES_PER_FLOAT  4
+#define PR_BYTES_PER_DOUBLE 8
+#define PR_BYTES_PER_WORD   8
+#define PR_BYTES_PER_DWORD  8
+
+#define PR_BITS_PER_BYTE    8
+#define PR_BITS_PER_SHORT   16
+#define PR_BITS_PER_INT     32
+#define PR_BITS_PER_INT64   64
+#define PR_BITS_PER_LONG    64
+#define PR_BITS_PER_FLOAT   32
+#define PR_BITS_PER_DOUBLE  64
+#define PR_BITS_PER_WORD    64
+#define PR_BITS_PER_DWORD   64
+
+#define PR_BITS_PER_BYTE_LOG2   3
+#define PR_BITS_PER_SHORT_LOG2  4
+#define PR_BITS_PER_INT_LOG2    5
+#define PR_BITS_PER_INT64_LOG2  6
+#define PR_BITS_PER_LONG_LOG2   6
+#define PR_BITS_PER_FLOAT_LOG2  5
+#define PR_BITS_PER_DOUBLE_LOG2 6
+#define PR_BITS_PER_WORD_LOG2   6
+#define PR_BITS_PER_DWORD_LOG2  6
+
+#define PR_ALIGN_OF_SHORT   2
+#define PR_ALIGN_OF_INT     4
+#define PR_ALIGN_OF_LONG    8
+#define PR_ALIGN_OF_INT64   8
+#define PR_ALIGN_OF_FLOAT   4
+#define PR_ALIGN_OF_DOUBLE  8
+#define PR_ALIGN_OF_POINTER 8
+#define PR_ALIGN_OF_WORD    8
+#define PR_ALIGN_OF_DWORD   8
+
+#else /* IS_64 */
+
+#define PR_BYTES_PER_BYTE   1
+#define PR_BYTES_PER_SHORT  2
+#define PR_BYTES_PER_INT    4
+#define PR_BYTES_PER_INT64  8
 #define PR_BYTES_PER_LONG   4
 #define PR_BYTES_PER_FLOAT  4
 #define PR_BYTES_PER_DOUBLE 8
@@ -96,6 +146,8 @@
 #define PR_ALIGN_OF_POINTER 4
 #define PR_ALIGN_OF_WORD    4
 
+#endif /* IS_64 */
+
 #ifndef NO_NSPR_10_SUPPORT
 
 #define BYTES_PER_BYTE		PR_BYTES_PER_BYTE