45       Type type = db.lookupType("MutableSpace");
  46       topField    = type.getAddressField("_top");
  47    }
  48 
  49    public MutableSpace(Address addr) {
  50       super(addr);
  51    }
  52 
  53    // Fields
  54    private static AddressField topField;
  55 
  56    // Accessors
  57    public Address   top()          { return topField.getValue(addr);    }
  58 
  59    /** In bytes */
  60    public long used() {
  61       return top().minus(bottom());
  62    }
  63 
  64    /** returns all MemRegions where live objects are */
  65    public List/*<MemRegion>*/ getLiveRegions() {
  66       List res = new ArrayList();
  67       res.add(new MemRegion(bottom(), top()));
  68       return res;
  69    }
  70 
  71    public void printOn(PrintStream tty) {
  72       tty.print(" [" + bottom() + "," +
  73                 top() + "," + end() + "] ");
  74    }
  75 }

  45       Type type = db.lookupType("MutableSpace");
  46       topField    = type.getAddressField("_top");
  47    }
  48 
  49    public MutableSpace(Address addr) {
  50       super(addr);
  51    }
  52 
  53    // Fields
  54    private static AddressField topField;
  55 
  56    // Accessors
  57    public Address   top()          { return topField.getValue(addr);    }
  58 
  59    /** In bytes */
  60    public long used() {
  61       return top().minus(bottom());
  62    }
  63 
  64    /** returns all MemRegions where live objects are */
  65    public List<MemRegion> getLiveRegions() {
  66       List<MemRegion> res = new ArrayList<>();
  67       res.add(new MemRegion(bottom(), top()));
  68       return res;
  69    }
  70 
  71    public void printOn(PrintStream tty) {
  72       tty.print(" [" + bottom() + "," +
  73                 top() + "," + end() + "] ");
  74    }
  75 }