Index: ChangeLog
===================================================================
RCS file: /cvs/src/src/gdb/ChangeLog,v
retrieving revision 1.14760
diff -u -r1.14760 ChangeLog
--- ChangeLog	24 Oct 2012 19:08:15 -0000	1.14760
+++ ChangeLog	25 Oct 2012 10:52:02 -0000
@@ -1,3 +1,13 @@
+2012-10-25  Ali Anwar  <ali_anwar@codesourcery.com>
+
+	* infrun.c (handle_inferior_event_stub, regcache_dup_stub):
+	New functions.
+	(normal_stop): Change to propagate GDB's knowledge of the
+	executing state to frontend when not able to fetch registers.
+	(wait_for_inferior): Chnage to propagate GDB's knowledge of
+	the executing state if not able to fetch backtrace once the
+	step has already occured.
+
 2012-10-24  Tristan Gingold  <gingold@adacore.com>
 
 	* ravenscar-sparc-thread.c (ravenscar_sparc_fetch_registers):
Index: infrun.c
===================================================================
RCS file: /cvs/src/src/gdb/infrun.c,v
retrieving revision 1.559
diff -u -r1.559 infrun.c
--- infrun.c	17 Sep 2012 07:26:55 -0000	1.559
+++ infrun.c	25 Oct 2012 10:52:04 -0000
@@ -73,6 +73,10 @@
 
 static int hook_stop_stub (void *);
 
+static int regcache_dup_stub (void *);
+
+static int handle_inferior_event_stub (void *);
+
 static int restore_selected_frame (void *);
 
 static int follow_fork (void);
@@ -2701,7 +2705,8 @@
       old_chain = make_cleanup (finish_thread_state_cleanup, &minus_one_ptid);
 
       /* Now figure out what to do with the result of the result.  */
-      handle_inferior_event (ecs);
+      catch_errors (handle_inferior_event_stub, ecs,
+                    "Error while handling inferior event:\n", RETURN_MASK_ALL);
 
       /* No error, don't finish the state yet.  */
       discard_cleanups (old_chain);
@@ -6082,7 +6087,8 @@
 
       /* NB: The copy goes through to the target picking up the value of
 	 all the registers.  */
-      stop_registers = regcache_dup (get_current_regcache ());
+      catch_errors (regcache_dup_stub, NULL,
+                    "Error while running regcache_dup:\n", RETURN_MASK_ALL);
     }
 
   if (stop_stack_dummy == STOP_STACK_DUMMY)
@@ -6154,6 +6160,20 @@
 }
 
 static int
+handle_inferior_event_stub (void *ecs)
+{
+  handle_inferior_event (ecs);
+  return (0);
+}
+
+static int
+regcache_dup_stub (void *arg)
+{
+  stop_registers = regcache_dup (get_current_regcache ());
+  return (0);
+}
+
+static int
 hook_stop_stub (void *cmd)
 {
   execute_cmd_pre_hook ((struct cmd_list_element *) cmd);