src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/gc/g1/HeapRegionType.java

rev 52613 : webrev.01

*** 46,55 ****
--- 46,56 ----
      private static int startsHumongousTag;
      private static int continuesHumongousTag;
      private static int pinnedMask;
      private static int archiveMask;
      private static int oldMask;
+     private static int preMatureOldMask;
      private static CIntegerField tagField;
      private int tag;
  
      static {
          VM.registerVMInitializedObserver(new Observer() {
*** 72,81 ****
--- 73,83 ----
          continuesHumongousTag = db.lookupIntConstant("HeapRegionType::ContinuesHumongousTag");
          archiveMask = db.lookupIntConstant("HeapRegionType::ArchiveMask");
          humongousMask = db.lookupIntConstant("HeapRegionType::HumongousMask");
          pinnedMask = db.lookupIntConstant("HeapRegionType::PinnedMask");
          oldMask = db.lookupIntConstant("HeapRegionType::OldMask");
+         preMatureOldMask = db.lookupIntConstant("HeapRegionType::PreMatureOldMask");
      }
  
      public boolean isFree() {
          return tagField.getValue(addr) == freeTag;
      }
*** 114,123 ****
--- 116,129 ----
  
      public boolean isOld() {
          return (tagField.getValue(addr) & oldMask) != 0;
      }
  
+     public boolean isPreMatureOld() {
+         return (tagField.getValue(addr) & preMatureOldMask) != 0;
+     }
+ 
      public HeapRegionType(Address addr) {
          super(addr);
      }
  
      public String typeAnnotation() {
*** 143,150 ****
--- 149,159 ----
              return "Pinned";
          }
          if (isOld()) {
              return "Old";
          }
+         if (isPreMatureOld()) {
+             return "PreMature Old";
+         }
          return "Unknown Region Type";
      }
  }