58     return reservedRegion().start();
  59   }
  60 
  61   public long capacity() { return 0; }
  62   public long used()     { return 0; }
  63 
  64   public MemRegion reservedRegion() {
  65     return new MemRegion(addr.addOffsetTo(reservedFieldOffset));
  66   }
  67 
  68   public boolean isIn(Address a) {
  69     return isInReserved(a);
  70   }
  71 
  72   public boolean isInReserved(Address a) {
  73     return reservedRegion().contains(a);
  74   }
  75 
  76   public abstract CollectedHeapName kind();
  77 








  78   public void print() { printOn(System.out); }
  79   public void printOn(PrintStream tty) {
  80     MemRegion mr = reservedRegion();
  81     tty.println("unknown subtype of CollectedHeap @ " + getAddress() + " (" +
  82                 mr.start() + "," + mr.end() + ")");
  83   }
  84 }

  58     return reservedRegion().start();
  59   }
  60 
  61   public long capacity() { return 0; }
  62   public long used()     { return 0; }
  63 
  64   public MemRegion reservedRegion() {
  65     return new MemRegion(addr.addOffsetTo(reservedFieldOffset));
  66   }
  67 
  68   public boolean isIn(Address a) {
  69     return isInReserved(a);
  70   }
  71 
  72   public boolean isInReserved(Address a) {
  73     return reservedRegion().contains(a);
  74   }
  75 
  76   public abstract CollectedHeapName kind();
  77 
  78   public String oopAddressDescription(OopHandle handle) {
  79       return handle.toString();
  80   }
  81 
  82   public OopHandle oop_load_at(OopHandle handle, long offset) {
  83       return handle.getOopHandleAt(offset);
  84   }
  85 
  86   public void print() { printOn(System.out); }
  87   public void printOn(PrintStream tty) {
  88     MemRegion mr = reservedRegion();
  89     tty.println("unknown subtype of CollectedHeap @ " + getAddress() + " (" +
  90                 mr.start() + "," + mr.end() + ")");
  91   }
  92 }