1 /*
   2  * Copyright (c) 2009, 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 package jdk.vm.ci.hotspot;
  24 
  25 import java.util.*;
  26 
  27 import jdk.vm.ci.code.*;
  28 
  29 public final class HotSpotReferenceMap extends ReferenceMap {
  30 
  31     final Location[] objects;
  32     final Location[] derivedBase;
  33     final int[] sizeInBytes;
  34     final int maxRegisterSize;
  35 
  36     public HotSpotReferenceMap(Location[] objects, Location[] derivedBase, int[] sizeInBytes, int maxRegisterSize) {
  37         this.objects = objects;
  38         this.derivedBase = derivedBase;
  39         this.sizeInBytes = sizeInBytes;
  40         this.maxRegisterSize = maxRegisterSize;
  41     }
  42 
  43     @Override
  44     public int hashCode() {
  45         throw new UnsupportedOperationException();
  46     }
  47 
  48     @Override
  49     public boolean equals(Object obj) {
  50         if (this == obj) {
  51             return true;
  52         }
  53         if (obj instanceof HotSpotReferenceMap) {
  54             HotSpotReferenceMap that = (HotSpotReferenceMap) obj;
  55             if (Arrays.equals(objects, that.objects)) {
  56                 return true;
  57             }
  58         }
  59         return false;
  60     }
  61 
  62     @Override
  63     public String toString() {
  64         return Arrays.toString(objects);
  65     }
  66 }