23  */
  24 
  25 package sun.jvm.hotspot.gc_implementation.g1;
  26 
  27 import java.util.Iterator;
  28 import java.util.Observable;
  29 import java.util.Observer;
  30 
  31 import sun.jvm.hotspot.debugger.Address;
  32 import sun.jvm.hotspot.runtime.VM;
  33 import sun.jvm.hotspot.runtime.VMObject;
  34 import sun.jvm.hotspot.runtime.VMObjectFactory;
  35 import sun.jvm.hotspot.types.AddressField;
  36 import sun.jvm.hotspot.types.CIntegerField;
  37 import sun.jvm.hotspot.types.Type;
  38 import sun.jvm.hotspot.types.TypeDataBase;
  39 
  40 // Mirror class for HeapRegionSetBase. Represents a group of regions.
  41 
  42 public class HeapRegionSetBase extends VMObject {
  43     // uint _length;
  44     static private CIntegerField lengthField;
  45     // uint _region_num;
  46     static private CIntegerField regionNumField;
  47     // size_t _total_used_bytes;
  48     static private CIntegerField totalUsedBytesField;
  49 
  50     static {
  51         VM.registerVMInitializedObserver(new Observer() {
  52                 public void update(Observable o, Object data) {
  53                     initialize(VM.getVM().getTypeDataBase());
  54                 }
  55             });
  56     }
  57 
  58     static private synchronized void initialize(TypeDataBase db) {
  59         Type type = db.lookupType("HeapRegionSetBase");
  60 
  61         lengthField         = type.getCIntegerField("_length");
  62         regionNumField      = type.getCIntegerField("_region_num");
  63         totalUsedBytesField = type.getCIntegerField("_total_used_bytes");
  64     }
  65 
  66     public long length() {
  67         return lengthField.getValue(addr);
  68     }
  69 
  70     public long regionNum() {
  71         return regionNumField.getValue(addr);
  72     }
  73 
  74     public long totalUsedBytes() {
  75         return totalUsedBytesField.getValue(addr);


  76     }
  77 
  78     public HeapRegionSetBase(Address addr) {
  79         super(addr);
  80     }
  81 }

  23  */
  24 
  25 package sun.jvm.hotspot.gc_implementation.g1;
  26 
  27 import java.util.Iterator;
  28 import java.util.Observable;
  29 import java.util.Observer;
  30 
  31 import sun.jvm.hotspot.debugger.Address;
  32 import sun.jvm.hotspot.runtime.VM;
  33 import sun.jvm.hotspot.runtime.VMObject;
  34 import sun.jvm.hotspot.runtime.VMObjectFactory;
  35 import sun.jvm.hotspot.types.AddressField;
  36 import sun.jvm.hotspot.types.CIntegerField;
  37 import sun.jvm.hotspot.types.Type;
  38 import sun.jvm.hotspot.types.TypeDataBase;
  39 
  40 // Mirror class for HeapRegionSetBase. Represents a group of regions.
  41 
  42 public class HeapRegionSetBase extends VMObject {
  43 
  44     static private long countField;




  45 
  46     static {
  47         VM.registerVMInitializedObserver(new Observer() {
  48                 public void update(Observable o, Object data) {
  49                     initialize(VM.getVM().getTypeDataBase());
  50                 }
  51             });
  52     }
  53 
  54     static private synchronized void initialize(TypeDataBase db) {
  55         Type type = db.lookupType("HeapRegionSetBase");
  56 
  57         countField = type.getField("_count").getOffset();






  58     }
  59 



  60 
  61     public HeapRegionSetCount count() {
  62         Address countFieldAddr = addr.addOffsetTo(countField);
  63         return (HeapRegionSetCount) VMObjectFactory.newObject(HeapRegionSetCount.class,
  64                                                                       countFieldAddr);
  65     }
  66     
  67     public HeapRegionSetBase(Address addr) {
  68         super(addr);
  69     }
  70 }