--- old/src/os/aix/vm/os_aix.cpp	2014-10-15 22:48:56.033729678 +0900
+++ new/src/os/aix/vm/os_aix.cpp	2014-10-15 22:48:55.841731233 +0900
@@ -5088,6 +5088,8 @@
     return 0;
   }
 
+  jio_snprintf(buffer, bufferSize, "%s/core or core.%d", current_process_id());
+
   return strlen(buffer);
 }