re PR java/41991 (gcj segfaults on i686-apple-darwin9 and x86_64-apple-darwin9)

2010-02-02  Jack Howarth  <howarth@bromo.med.uc.edu>

	PR java/41991
	* unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
	as _darwin10_Unwind_FindEnclosingFunction().
	* libgcc-libsystem.ver: New.

From-SVN: r156444

gcc/ChangeLog

+2010-02-02  Jack Howarth  <howarth@bromo.med.uc.edu>
+
+	PR java/41991
+	* unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
+	as _darwin10_Unwind_FindEnclosingFunction().
+	* libgcc-libsystem.ver: New.
+
 2010-02-01  Vladimir Makarov  <vmakarov@redhat.com>
 
 	PR target/41399

gcc/libgcc-libsystem.ver

+_darwin10_Unwind_FindEnclosingFunction

gcc/unwind-dw2-fde-darwin.c

@@ -273,3 +273,15 @@ _Unwind_Find_FDE (void *pc, struct dwarf_eh_bases *bases)
 					  the_obj_info);
   return ret;
 }
+
+void *
+_darwin10_Unwind_FindEnclosingFunction (void *pc)
+{
+  struct dwarf_eh_bases bases;
+  const struct dwarf_fde *fde = _Unwind_Find_FDE (pc-1, &bases);
+  if (fde)
+    return bases.func;
+  else
+    return NULL;
+}
+