diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0f6ddda570e..81d0e1c01e6 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,7 @@
 2015-10-25  John David Anglin  <danglin@gcc.gnu.org>
 
+	* config/pa/som.h (EH_FRAME_THROUGH_COLLECT2): Define.
+
 	PR middle-end/68079
 	* dojump.c (do_compare_and_jump): Canonicalize both function and
 	method types.
diff --git a/gcc/config/pa/som.h b/gcc/config/pa/som.h
index d18f14f9742..8a0146a0c21 100644
--- a/gcc/config/pa/som.h
+++ b/gcc/config/pa/som.h
@@ -340,6 +340,11 @@ do {						\
    this suffix when generating constructor/destructor names.  */ 
 #define SHLIB_SUFFIX ".sl"
 
+/* We don't have named sections.  */
 #define TARGET_HAVE_NAMED_SECTIONS false
 
 #define TARGET_ASM_TM_CLONE_TABLE_SECTION pa_som_tm_clone_table_section
+
+/* Generate specially named labels to identify DWARF 2 frame unwind
+   information.  */
+#define EH_FRAME_THROUGH_COLLECT2