--- old/src/share/vm/memory/cardTableModRefBS.cpp	Tue Mar 27 21:04:01 2012
+++ new/src/share/vm/memory/cardTableModRefBS.cpp	Tue Mar 27 21:04:01 2012
@@ -711,6 +711,11 @@
 }
 #endif
 
+void CardTableModRefBS::print_on(outputStream* st) const {
+  st->print_cr("Card table byte_map: " INTPTR_FORMAT "," INTPTR_FORMAT " byte_map_base: " INTPTR_FORMAT,
+               _byte_map, _byte_map + _byte_map_size, byte_map_base);
+}
+
 bool CardTableModRefBSForCTRS::card_will_be_scanned(jbyte cv) {
   return
     CardTableModRefBS::card_will_be_scanned(cv) ||