--- a/hotspot/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp	Mon Sep 17 10:46:59 2012 -0400
+++ b/hotspot/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp	Mon Sep 17 10:33:13 2012 +0200
@@ -408,6 +408,9 @@
   void verify_before_gc();
   void verify_after_gc();
 
+  void log_gc_header();
+  void log_gc_footer(double pause_time_sec);
+
   // These are macros so that, if the assert fires, we get the correct
   // line number, file, etc.