Index: arm-tdep.c
===================================================================
RCS file: /cvs/src/src/gdb/arm-tdep.c,v
retrieving revision 1.286
diff -u -p -r1.286 arm-tdep.c
--- arm-tdep.c	14 Aug 2009 00:32:31 -0000	1.286
+++ arm-tdep.c	3 Sep 2009 18:49:55 -0000
@@ -2769,7 +2769,8 @@ displaced_write_reg (struct regcache *re
 	  break;
 
 	default:
-	  abort ();
+	  internal_error (__FILE__, __LINE__,
+			  _("Invalid argument to displaced_write_reg"));
 	}
 
       dsc->wrote_to_pc = 1;