--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/agent/src/share/classes/sun/jvm/hotspot/oops/ConstantPoolCacheEntry.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,98 @@
+/*
+ * Copyright 2001-2005 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+package sun.jvm.hotspot.oops;
+
+import java.util.*;
+import sun.jvm.hotspot.debugger.*;
+import sun.jvm.hotspot.runtime.*;
+import sun.jvm.hotspot.types.*;
+
+public class ConstantPoolCacheEntry {
+  private static long          size;
+  private static long          baseOffset;
+  private static CIntegerField indices;
+  private static sun.jvm.hotspot.types.OopField f1;
+  private static CIntegerField f2;
+  private static CIntegerField flags;
+
+  private ConstantPoolCache cp;
+  private long      offset;
+
+  static {
+    VM.registerVMInitializedObserver(new Observer() {
+        public void update(Observable o, Object data) {
+          initialize(VM.getVM().getTypeDataBase());
+        }
+      });
+  }
+
+  private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
+    Type type      = db.lookupType("ConstantPoolCacheEntry");
+    size = type.getSize();
+
+    indices = type.getCIntegerField("_indices");
+    f1      = type.getOopField     ("_f1");
+    f2      = type.getCIntegerField("_f2");
+    flags   = type.getCIntegerField("_flags");
+
+    type = db.lookupType("constantPoolCacheOopDesc");
+    baseOffset = type.getSize();
+  }
+
+  ConstantPoolCacheEntry(ConstantPoolCache cp, int index) {
+    this.cp = cp;
+    offset  = baseOffset + index * size;
+  }
+
+  public int getConstantPoolIndex() {
+    return (int) (getIndices() & 0xFFFF);
+  }
+
+  private long getIndices() {
+      return cp.getHandle().getCIntegerAt(indices.getOffset() + offset, indices.getSize(), indices.isUnsigned());
+  }
+
+  public Oop getF1() {
+    return cp.getHeap().newOop(cp.getHandle().getOopHandleAt(f1.getOffset() + offset));
+  }
+
+  public int getF2() {
+    return cp.getHandle().getJIntAt(f1.getOffset() + offset);
+  }
+
+  public int getFlags() {
+    return cp.getHandle().getJIntAt(flags.getOffset() + offset);
+  }
+
+  static NamedFieldIdentifier f1FieldName = new NamedFieldIdentifier("_f1");
+  static NamedFieldIdentifier f2FieldName = new NamedFieldIdentifier("_f2");
+  static NamedFieldIdentifier flagsFieldName = new NamedFieldIdentifier("_flags");
+
+  public void iterateFields(OopVisitor visitor) {
+    visitor.doOop(new OopField(f1FieldName, f1.getOffset() + offset, true), true);
+    visitor.doInt(new IntField(f2FieldName, f2.getOffset() + offset, true), true);
+    visitor.doInt(new IntField(flagsFieldName, flags.getOffset() + offset, true), true);
+  }
+}