--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/agent/src/share/classes/sun/jvm/hotspot/debugger/cdbg/LoadObjectComparator.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,48 @@
+/*
+ * Copyright 2003 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.debugger.cdbg;
+
+import java.util.*;
+import sun.jvm.hotspot.debugger.*;
+
+// a comparator used to sort LoadObjects by base address
+
+public class LoadObjectComparator implements Comparator {
+   public int compare(Object o1, Object o2) {
+      LoadObject lo1 = (LoadObject) o1;
+      LoadObject lo2 = (LoadObject) o2;
+      Address base1 = lo1.getBase();
+      Address base2 = lo2.getBase();
+      long diff = base1.minus(base2);
+      return (diff == 0)? 0 : ((diff < 0)? -1 : +1);
+   }
+
+   public boolean equals(Object o) {
+      if (o == null || !(o instanceof LoadObjectComparator)) {
+         return false;
+      }
+      return true;
+   }
+}