39 import sun.jvm.hotspot.types.*;

    39 import sun.jvm.hotspot.types.*;

    40 import sun.jvm.hotspot.utilities.*;

    40 import sun.jvm.hotspot.utilities.*;

    41 

    41 

    42 public class ObjectHeap {

    42 public class ObjectHeap {

    43 

    43 

    44   private OopHandle              symbolKlassHandle;

    50   private OopHandle              symbolKlassHandle;

    45   private OopHandle              methodKlassHandle;

    51   private OopHandle              methodKlassHandle;

    46   private OopHandle              constMethodKlassHandle;

    52   private OopHandle              constMethodKlassHandle;

    47   private OopHandle              methodDataKlassHandle;

    53   private OopHandle              methodDataKlassHandle;

    48   private OopHandle              constantPoolKlassHandle;

    54   private OopHandle              constantPoolKlassHandle;

   150     }

   156     }

   151   }

   157   }

   152 

   158 

   153   public ObjectHeap(TypeDataBase db) throws WrongTypeException {

   159   public ObjectHeap(TypeDataBase db) throws WrongTypeException {

   154     // Get commonly used sizes of basic types

   160     // Get commonly used sizes of basic types

   156     byteSize    = db.getJByteType().getSize();

   162     byteSize    = db.getJByteType().getSize();

   157     charSize    = db.getJCharType().getSize();

   163     charSize    = db.getJCharType().getSize();

   158     booleanSize = db.getJBooleanType().getSize();

   164     booleanSize = db.getJBooleanType().getSize();

   159     intSize     = db.getJIntType().getSize();

   165     intSize     = db.getJIntType().getSize();

   160     shortSize   = db.getJShortType().getSize();

   166     shortSize   = db.getJShortType().getSize();

   438       Address top    = (Address) liveRegions.get(i+1);

   444       Address top    = (Address) liveRegions.get(i+1);

   439 

   445 

   440       try {

   446       try {

   441         // Traverses the space from bottom to top

   447         // Traverses the space from bottom to top

   442         OopHandle handle = bottom.addOffsetToAsOopHandle(0);

   448         OopHandle handle = bottom.addOffsetToAsOopHandle(0);

   443         while (handle.lessThan(top)) {

   450         while (handle.lessThan(top)) {

   444         Oop obj = null;

   451         Oop obj = null;

   445 

   452 

   446           try {

   453           try {

   447             obj = newOop(handle);

   454             obj = newOop(handle);

   448           } catch (UnknownOopException exp) {

   455           } catch (UnknownOopException exp) {

   449           }

   459           }

   450           if (obj == null) {

   460           if (obj == null) {

   451              //Find the object size using Printezis bits and skip over

   461              //Find the object size using Printezis bits and skip over

   452              System.err.println("Finding object size using Printezis bits and skipping over...");

   462              System.err.println("Finding object size using Printezis bits and skipping over...");

   453              long size = 0;

   463              long size = 0;