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[packages/gcc3.4.git] / gcc3.4-cxxabi.patch

2005-02-18  Richard Henderson  <rth@redhat.com>

	PR libstdc++/10606
	* config/linker-map.gnu (CXXABI_1.3.1): Add __cxa_get_exception_ptr.
	* libsupc++/eh_catch.cc (__cxa_get_exception_ptr): New.
	* libsupc++/unwind-cxx.h (__cxa_get_exception_ptr): Declare.

--- libstdc++-v3/config/linker-map.gnu	(revision 94498)
+++ libstdc++-v3/config/linker-map.gnu	(revision 95705)
@@ -406,3 +410,9 @@ CXXABI_1.3 {
   local:
     *;
 };
+
+CXXABI_1.3.1 {
+
+    __cxa_get_exception_ptr;
+
+} CXXABI_1.3;
--- libstdc++-v3/libsupc++/unwind-cxx.h	(revision 94498)
+++ libstdc++-v3/libsupc++/unwind-cxx.h	(revision 95705)
@@ -107,6 +107,7 @@ extern "C" void __cxa_throw (void *throw
      __attribute__((noreturn));
 
 // Used to implement exception handlers.
+extern "C" void *__cxa_get_exception_ptr (void *) throw();
 extern "C" void *__cxa_begin_catch (void *) throw();
 extern "C" void __cxa_end_catch ();
 extern "C" void __cxa_rethrow () __attribute__((noreturn));
--- libstdc++-v3/libsupc++/eh_catch.cc	(revision 94498)
+++ libstdc++-v3/libsupc++/eh_catch.cc	(revision 95705)
@@ -33,6 +33,15 @@
 
 using namespace __cxxabiv1;
 
+extern "C" void *
+__cxxabiv1::__cxa_get_exception_ptr(void *exc_obj_in) throw()
+{
+  _Unwind_Exception *exceptionObject
+    = reinterpret_cast <_Unwind_Exception *>(exc_obj_in);
+  __cxa_exception *header = __get_exception_header_from_ue (exceptionObject);
+
+  return header->adjustedPtr;
+}
 
 extern "C" void *
 __cxxabiv1::__cxa_begin_catch (void *exc_obj_in) throw()