/*
 * Copyright (c) 2003, 2022, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
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 * 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.
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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<LoadObject> {
   public int compare(LoadObject lo1, LoadObject lo2) {
      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) {
      return o instanceof LoadObjectComparator;
   }
}
