27 import java.util.*;
  28 import java.io.PrintStream;
  29 import sun.jvm.hotspot.debugger.*;
  30 import sun.jvm.hotspot.runtime.*;
  31 import sun.jvm.hotspot.oops.*;
  32 import sun.jvm.hotspot.types.*;
  33 
  34 public class PhaseCFG extends Phase {
  35   static {
  36     VM.registerVMInitializedObserver(new Observer() {
  37         public void update(Observable o, Object data) {
  38           initialize(VM.getVM().getTypeDataBase());
  39         }
  40       });
  41   }
  42 
  43   private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
  44     Type type      = db.lookupType("PhaseCFG");
  45     numBlocksField = new CIntField(type.getCIntegerField("_num_blocks"), 0);
  46     blocksField = type.getAddressField("_blocks");
  47     bbsField = type.getAddressField("_bbs");
  48     brootField = type.getAddressField("_broot");
  49   }
  50 
  51   private static CIntField numBlocksField;
  52   private static AddressField blocksField;
  53   private static AddressField bbsField;
  54   private static AddressField brootField;
  55 
  56   public PhaseCFG(Address addr) {
  57     super(addr);
  58   }
  59 
  60   public void dump(PrintStream out) {
  61     int addressSize = (int)VM.getVM().getAddressSize();
  62     int numBlocks = (int)numBlocksField.getValue(getAddress());
  63     Block_List blocks = new Block_List(getAddress().addOffsetTo(blocksField.getOffset()));
  64     int offset = 0;
  65     for (int i  = 0; i < numBlocks; i++) {
  66       blocks.at(i).dump(out);
  67     }

  27 import java.util.*;
  28 import java.io.PrintStream;
  29 import sun.jvm.hotspot.debugger.*;
  30 import sun.jvm.hotspot.runtime.*;
  31 import sun.jvm.hotspot.oops.*;
  32 import sun.jvm.hotspot.types.*;
  33 
  34 public class PhaseCFG extends Phase {
  35   static {
  36     VM.registerVMInitializedObserver(new Observer() {
  37         public void update(Observable o, Object data) {
  38           initialize(VM.getVM().getTypeDataBase());
  39         }
  40       });
  41   }
  42 
  43   private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
  44     Type type      = db.lookupType("PhaseCFG");
  45     numBlocksField = new CIntField(type.getCIntegerField("_num_blocks"), 0);
  46     blocksField = type.getAddressField("_blocks");
  47     bbsField = type.getAddressField("_node_to_block_mapping");
  48     brootField = type.getAddressField("_broot");
  49   }
  50 
  51   private static CIntField numBlocksField;
  52   private static AddressField blocksField;
  53   private static AddressField bbsField;
  54   private static AddressField brootField;
  55 
  56   public PhaseCFG(Address addr) {
  57     super(addr);
  58   }
  59 
  60   public void dump(PrintStream out) {
  61     int addressSize = (int)VM.getVM().getAddressSize();
  62     int numBlocks = (int)numBlocksField.getValue(getAddress());
  63     Block_List blocks = new Block_List(getAddress().addOffsetTo(blocksField.getOffset()));
  64     int offset = 0;
  65     for (int i  = 0; i < numBlocks; i++) {
  66       blocks.at(i).dump(out);
  67     }