re PR target/33743 (unwinding through signal frames)

	PR target/33743
	* config/sparc/sol2.h (MD_UNWIND_SUPPORT): Define.
	* config/sparc/sol2-unwind.h: New file.

Co-Authored-By: Eric Botcazou <ebotcazou@adacore.com>

From-SVN: r152649

gcc/ChangeLog

+2009-10-11  Jose Ruiz  <ruiz@adacore.com>
+            Eric Botcazou  <ebotcazou@adacore.com>
+
+	PR target/33743
+	* config/sparc/sol2.h (MD_UNWIND_SUPPORT): Define.
+	* config/sparc/sol2-unwind.h: New file.
+
 2009-10-11  Olivier Hainque  <hainque@adacore.com>
             Eric Botcazou  <ebotcazou@adacore.com>
 

gcc/config/sparc/sol2.h

@@ -194,3 +194,5 @@ along with GCC; see the file COPYING3.  If not see
 	       (SIZE), (ALIGN) / BITS_PER_UNIT);			\
     }									\
   while (0)
+
+#define MD_UNWIND_SUPPORT "config/sparc/sol2-unwind.h"