--- a/hotspot/test/testlibrary/whitebox/sun/hotspot/WhiteBox.java	Wed Sep 11 12:03:41 2013 +0200
+++ b/hotspot/test/testlibrary/whitebox/sun/hotspot/WhiteBox.java	Wed Sep 11 16:25:02 2013 +0200
@@ -61,6 +61,8 @@
     registerNatives();
   }
 
+  // Get the maximum heap size supporting COOPs
+  public native long getCompressedOopsMaxHeapSize();
   // Arguments
   public native void printHeapSizes();