src/share/vm/runtime/basicLock.cpp

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.

@@ -26,10 +26,13 @@
 #include "runtime/basicLock.hpp"
 #include "runtime/synchronizer.hpp"
 
 void BasicLock::print_on(outputStream* st) const {
   st->print("monitor");
+  markOop moop = displaced_header();
+  if (moop != NULL)
+      moop -> print_on(st);
 }
 
 void BasicLock::move_to(oop obj, BasicLock* dest) {
   // Check to see if we need to inflate the lock. This is only needed
   // if an object is locked using "this" lightweight monitor. In that