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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotMonitorValue.java @ 18425:b856446ff7e0

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Introduce StackSlotValue and VirtualStackSlot.
author Josef Eisl <josef.eisl@jku.at>
date Thu, 23 Oct 2014 14:55:04 +0200
parents 56cc1a799a60
children d11ce424f09d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.graal.hotspot.meta;
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24
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25 import com.oracle.graal.api.code.*;
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26 import com.oracle.graal.api.meta.*;
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27
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28 /**
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29 * Represents lock information in the debug information.
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30 */
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31 public final class HotSpotMonitorValue extends AbstractValue implements JavaValue {
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32
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33 private static final long serialVersionUID = 8241681800464483691L;
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34
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35 private JavaValue owner;
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36 private final StackSlotValue slot;
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37 private final boolean eliminated;
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38
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39 public HotSpotMonitorValue(JavaValue owner, StackSlotValue slot, boolean eliminated) {
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40 super(LIRKind.Illegal);
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41 this.owner = owner;
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42 this.slot = slot;
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43 this.eliminated = eliminated;
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44 }
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45
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46 public JavaValue getOwner() {
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47 return owner;
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48 }
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49
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50 public void setOwner(JavaValue newOwner) {
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51 this.owner = newOwner;
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52 }
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53
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54 public Value getSlot() {
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55 return slot;
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56 }
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57
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58 public boolean isEliminated() {
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59 return eliminated;
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60 }
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61
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62 @Override
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63 public String toString() {
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64 return "monitor[" + owner + (slot != null ? ", " + slot : "") + (eliminated ? ", eliminated" : "") + "]";
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65 }
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66
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67 @Override
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68 public int hashCode() {
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69 final int prime = 43;
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70 int result = super.hashCode();
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71 result = prime * result + (eliminated ? 1231 : 1237);
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72 result = prime * result + owner.hashCode();
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73 result = prime * result + slot.hashCode();
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74 return result;
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75 }
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76
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77 @Override
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78 public boolean equals(Object obj) {
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79 if (obj instanceof HotSpotMonitorValue) {
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80 HotSpotMonitorValue other = (HotSpotMonitorValue) obj;
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81 return super.equals(obj) && eliminated == other.eliminated && owner.equals(other.owner) && slot.equals(other.slot);
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82 }
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83 return false;
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84 }
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85 }