unwind-arm-common.h: Revert previous commit.

gcc:
    * ginclude/unwind-arm-common.h: Revert previous commit.

libstdc++-v3:
    * libsupc++/unwind-cxx.h: Revert previous commit.

From-SVN: r219392

gcc/ChangeLog

 2015-01-09  Andreas Tobler  <andreast@gcc.gnu.org>
 
+	 * ginclude/unwind-arm-common.h: Revert previous commit.
+
+2015-01-09  Andreas Tobler  <andreast@gcc.gnu.org>
+
 	* config.gcc (arm*-*-freebsd*): New configuration.
 	* config/arm/freebsd.h: New file.
 	* config.host: Add extra components for arm*-*-freebsd*.

gcc/ginclude/unwind-arm-common.h

@@ -82,11 +82,7 @@ extern "C" {
 
   struct _Unwind_Control_Block
     {
-#ifdef __FreeBSD__
-      unsigned exception_class __attribute__((__mode__(__DI__)));
-#else
       char exception_class[8];
-#endif
       void (*exception_cleanup)(_Unwind_Reason_Code, _Unwind_Control_Block *);
       /* Unwinder cache, private fields for the unwinder's use */
       struct
@@ -185,11 +181,7 @@ extern "C" {
 
   /* Support functions for the PR.  */
 #define _Unwind_Exception _Unwind_Control_Block
-#ifdef __FreeBSD__
-  typedef unsigned _Unwind_Exception_Class __attribute__((__mode__(__DI__)));
-#else
   typedef char _Unwind_Exception_Class[8];
-#endif
 
   void * _Unwind_GetLanguageSpecificData (_Unwind_Context *);
   _Unwind_Ptr _Unwind_GetRegionStart (_Unwind_Context *);

libstdc++-v3/ChangeLog

 2015-01-09  Andreas Tobler  <andreast@gcc.gnu.org>
 
+	* libsupc++/unwind-cxx.h: Revert previous commit.
+
+2015-01-09  Andreas Tobler  <andreast@gcc.gnu.org>
+
 	* configure.host: Add arm*-*-freebsd* port_specific_symbol_files.
 
 2015-01-09  Tim Shen  <timshen@google.com>

libstdc++-v3/libsupc++/unwind-cxx.h

@@ -235,7 +235,7 @@ __get_dependent_exception_from_ue (_Unwind_Exception *exc)
   return reinterpret_cast<__cxa_dependent_exception *>(exc + 1) - 1;
 }
 
-#if defined (__ARM_EABI_UNWINDER__) && !defined (__FreeBSD__)
+#ifdef __ARM_EABI_UNWINDER__
 static inline bool
 __is_gxx_exception_class(_Unwind_Exception_Class c)
 {
@@ -309,7 +309,13 @@ __GXX_INIT_FORCED_UNWIND_CLASS(_Unwind_Exception_Class c)
   c[6] = 'R';
   c[7] = '\0';
 }
-#else // !__ARM_EABI_UNWINDER__ || __FreeBSD__
+
+static inline void*
+__gxx_caught_object(_Unwind_Exception* eo)
+{
+  return (void*)eo->barrier_cache.bitpattern[0];
+}
+#else // !__ARM_EABI_UNWINDER__
 // This is the primary exception class we report -- "GNUCC++\0".
 const _Unwind_Exception_Class __gxx_primary_exception_class
 = ((((((((_Unwind_Exception_Class) 'G' 
@@ -333,16 +339,6 @@ const _Unwind_Exception_Class __gxx_dependent_exception_class
     << 8 | (_Unwind_Exception_Class) '+')
    << 8 | (_Unwind_Exception_Class) '\x01');
 
-const _Unwind_Exception_Class __gxx_forced_unwind_class
-= ((((((((_Unwind_Exception_Class) 'G'
-        << 8 | (_Unwind_Exception_Class) 'N')
-       << 8 | (_Unwind_Exception_Class) 'U')
-      << 8 | (_Unwind_Exception_Class) 'C')
-     << 8 | (_Unwind_Exception_Class) 'F')
-    << 8 | (_Unwind_Exception_Class) 'O')
-   << 8 | (_Unwind_Exception_Class) 'R')
-  << 8 | (_Unwind_Exception_Class) '\0');
-
 static inline bool
 __is_gxx_exception_class(_Unwind_Exception_Class c)
 {
@@ -350,12 +346,6 @@ __is_gxx_exception_class(_Unwind_Exception_Class c)
       || c == __gxx_dependent_exception_class;
 }
 
-static inline bool
-__is_gxx_forced_unwind_class(_Unwind_Exception_Class c)
-{
-  return c ==  __gxx_forced_unwind_class;
-}
-
 // Only checks for primary or dependent, but not that it is a C++ exception at
 // all.
 static inline bool
@@ -367,17 +357,6 @@ __is_dependent_exception(_Unwind_Exception_Class c)
 #define __GXX_INIT_PRIMARY_EXCEPTION_CLASS(c) c = __gxx_primary_exception_class
 #define __GXX_INIT_DEPENDENT_EXCEPTION_CLASS(c) \
   c = __gxx_dependent_exception_class
-#define __GXX_INIT_FORCED_UNWIND_CLASS(c) c = __gxx_forced_unwind_class
-#endif // __ARM_EABI_UNWINDER__ && !__FreeBSD__
-
-#ifdef __ARM_EABI_UNWINDER__
-static inline void*
-__gxx_caught_object(_Unwind_Exception* eo)
-{
-    return (void*)eo->barrier_cache.bitpattern[0];
-}
-
-#else // !__ARM_EABI_UNWINDER__
 
 // GNU C++ personality routine, Version 0.
 extern "C" _Unwind_Reason_Code __gxx_personality_v0