Port newlib to x86_64-pc-cygwin.

* libc/include/sys/features.h: Redefine compilation environment
	definitions for Cygwin to cover 64 bit Cygwin.
	* libc/ctype/ctype_.c (_ctype_): Fix definition for 64 bit Cygwin.
	* libc/include/machine/setjmp.h: Change definition of _JBLEN to allow
	different values for 32 bit and 64 bit Cygwin.
	* libc/include/reent.h (stat64): Define as stat under Cygwin, instead
	of as __stat64.  Undef stat64 if not building Newlib.
	* libc/include/sys/stat.h (stat64): Define as stat under Cygwin.

newlib/ChangeLog

@@ -1,3 +1,15 @@
+2013-04-23  Corinna Vinschen  <vinschen@redhat.com>
+
+	Port newlib to x86_64-pc-cygwin.
+	* libc/include/sys/features.h: Redefine compilation environment
+	definitions for Cygwin to cover 64 bit Cygwin.
+	* libc/ctype/ctype_.c (_ctype_): Fix definition for 64 bit Cygwin.
+	* libc/include/machine/setjmp.h: Change definition of _JBLEN to allow
+	different values for 32 bit and 64 bit Cygwin.
+	* libc/include/reent.h (stat64): Define as stat under Cygwin, instead
+	of as __stat64.  Undef stat64 if not building Newlib.
+	* libc/include/sys/stat.h (stat64): Define as stat under Cygwin.
+
 2013-04-22  Sebastian Huber  <sebastian.huber@embedded-brains.de>
 
 	* libc/include/sys/cdefs.h: Align with latest FreeBSD file header.

newlib/libc/ctype/ctype_.c

@@ -111,14 +111,21 @@ _CONST
 char __EXPORT *__ctype_ptr__ = (char *) _ctype_b + 127;
 
 #  ifdef __CYGWIN__
-
+#    ifdef __x86_64__
+__asm__ ("					\n\
+        .data					\n\
+	.globl  _ctype_				\n\
+	.set    _ctype_,_ctype_b+127		\n\
+	.text                                   \n\
+");
+#    else
 __asm__ ("					\n\
         .data					\n\
 	.globl  __ctype_			\n\
 	.set    __ctype_,__ctype_b+127		\n\
 	.text                                   \n\
 ");
-
+#    endif
 #  else /* !__CYGWIN__ */
 
 _CONST char _ctype_[1 + 256] = {

newlib/libc/include/machine/setjmp.h

@@ -68,19 +68,24 @@ _BEGIN_STD_C
 #define	_JBLEN	9
 #endif
 
-#if defined(__CYGWIN__) && !defined (_JBLEN)
+#ifdef __i386__
-#define _JBLEN (13 * 4)
+# if defined(__CYGWIN__) && !defined (_JBLEN)
-#elif defined (__i386__)
+#  define _JBLEN (13 * 4)
-#if defined(__unix__) || defined(__rtems__)
+# elif defined(__unix__) || defined(__rtems__)
 #  define _JBLEN	9
-#else
+# else
-#include "setjmp-dj.h"
+#  include "setjmp-dj.h"
-#endif
+# endif
 #endif
 
 #ifdef __x86_64__
-#define _JBTYPE long long
+# ifdef __CYGWIN__
-#define _JBLEN  8
+#  define _JBTYPE long
+#  define _JBLEN  32
+# else
+#  define _JBTYPE long long
+#  define _JBLEN  8
+# endif
 #endif
 
 #ifdef __i960__

newlib/libc/include/reent.h

@@ -163,16 +163,22 @@ extern int _gettimeofday_r _PARAMS ((struct _reent *, struct timeval *__tp, void
 
 #ifdef __LARGE64_FILES
 
-#if defined(__CYGWIN__) && defined(_COMPILING_NEWLIB)
-#define stat64 __stat64
-#endif
 
+#if defined(__CYGWIN__)
+#define stat64 stat
+#endif
 struct stat64;
 
 extern _off64_t _lseek64_r _PARAMS ((struct _reent *, int, _off64_t, int));
 extern int _fstat64_r _PARAMS ((struct _reent *, int, struct stat64 *));
 extern int _open64_r _PARAMS ((struct _reent *, const char *, int, int));
 extern int _stat64_r _PARAMS ((struct _reent *, const char *, struct stat64 *));
+
+/* Don't pollute namespace if not building newlib. */
+#if defined (__CYGWIN__) && !defined (_COMPILING_NEWLIB)
+#undef stat64
+#endif
+
 #endif
 
 #endif

newlib/libc/include/sys/features.h

@@ -173,12 +173,18 @@ extern "C" {
 #define _POSIX2_SW_DEV				200112L
 #define _POSIX2_UPE				200112L
 #define _POSIX_V6_ILP32_OFF32			    -1
-#define _XBS5_ILP32_OFF32			_POSIX_V6_ILP32_OFF32
+#ifdef __LP64__
+#define _POSIX_V6_ILP32_OFFBIG			    -1
+#define _POSIX_V6_LP64_OFF64			     1
+#define _POSIX_V6_LPBIG_OFFBIG			     1
+#else
 #define _POSIX_V6_ILP32_OFFBIG			     1
-#define _XBS5_ILP32_OFFBIG			_POSIX_V6_ILP32_OFFBIG
 #define _POSIX_V6_LP64_OFF64			    -1
-#define _XBS5_LP64_OFF64			_POSIX_V6_LP64_OFF64
 #define _POSIX_V6_LPBIG_OFFBIG			    -1
+#endif
+#define _XBS5_ILP32_OFF32			_POSIX_V6_ILP32_OFF32
+#define _XBS5_ILP32_OFFBIG			_POSIX_V6_ILP32_OFFBIG
+#define _XBS5_LP64_OFF64			_POSIX_V6_LP64_OFF64
 #define _XBS5_LPBIG_OFFBIG			_POSIX_V6_LPBIG_OFFBIG
 #define _XOPEN_CRYPT				     1
 #define _XOPEN_ENH_I18N				     1

newlib/libc/include/sys/stat.h

@@ -19,7 +19,7 @@ extern "C" {
 #ifdef __CYGWIN__
 #include <cygwin/stat.h>
 #ifdef _COMPILING_NEWLIB
-#define stat64 __stat64
+#define stat64 stat
 #endif
 #else
 struct	stat