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

*** 39,49 ****
  
  // Mirror class for HeapRegionSetBase. Represents a group of regions.
  
  public class HeapRegionSetBase extends VMObject {
  
!     static private long countField;
  
      static {
          VM.registerVMInitializedObserver(new Observer() {
                  public void update(Observable o, Object data) {
                      initialize(VM.getVM().getTypeDataBase());
--- 39,50 ----
  
  // Mirror class for HeapRegionSetBase. Represents a group of regions.
  
  public class HeapRegionSetBase extends VMObject {
  
!     // uint _length
!     static private CIntegerField lengthField;
  
      static {
          VM.registerVMInitializedObserver(new Observer() {
                  public void update(Observable o, Object data) {
                      initialize(VM.getVM().getTypeDataBase());
*** 52,68 ****
      }
  
      static private synchronized void initialize(TypeDataBase db) {
          Type type = db.lookupType("HeapRegionSetBase");
  
!         countField = type.getField("_count").getOffset();
      }
  
! 
!     public HeapRegionSetCount count() {
!         Address countFieldAddr = addr.addOffsetTo(countField);
!         return (HeapRegionSetCount) VMObjectFactory.newObject(HeapRegionSetCount.class, countFieldAddr);
      }
  
      public HeapRegionSetBase(Address addr) {
          super(addr);
      }
--- 53,67 ----
      }
  
      static private synchronized void initialize(TypeDataBase db) {
          Type type = db.lookupType("HeapRegionSetBase");
  
!         lengthField = type.getCIntegerField("_length");
      }
  
!     public long length() {
!         return lengthField.getValue(addr);
      }
  
      public HeapRegionSetBase(Address addr) {
          super(addr);
      }