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annotate graal/GraalRuntime/src/com/oracle/graal/runtime/HotSpotVMConfig.java @ 2659:40248577d587

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Deoptimize on array store and array bounds exception.
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Wed, 11 May 2011 16:25:15 +0200
parents 16b9a8b5ad39
children
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1 /*
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2 * Copyright (c) 2011, 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.runtime;
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24
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25 import com.sun.cri.ci.*;
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27 /**
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28 * Used to communicate configuration details, runtime offsets, etc. to c1x upon compileMethod.
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29 */
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30 public final class HotSpotVMConfig extends CompilerObject {
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31
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32 private HotSpotVMConfig() {
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33 super(null);
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34 }
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35
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36 // os information, register layout, code generation, ...
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37 public boolean windowsOs;
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38 public int codeEntryAlignment;
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39 public boolean verifyPointers;
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40 public boolean useFastLocking;
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41 public boolean useFastNewObjectArray;
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42 public boolean useFastNewTypeArray;
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43
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44 // offsets, ...
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45 public int vmPageSize;
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46 public int stackShadowPages;
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47 public int hubOffset;
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48 public int arrayLengthOffset;
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49 public int klassStateOffset;
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50 public int klassStateFullyInitialized;
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51 public int[] arrayOffsets;
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52 public int arrayClassElementOffset;
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53 public int threadTlabTopOffset;
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54 public int threadTlabEndOffset;
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55 public int threadObjectOffset;
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56 public int instanceHeaderPrototypeOffset;
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57 public int threadExceptionOopOffset;
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58 public int threadExceptionPcOffset;
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59 public int threadMultiNewArrayStorage;
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60 public long cardtableStartAddress;
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61 public int cardtableShift;
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62 public long safepointPollingAddress;
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63 public int classMirrorOffset;
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64
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65 // runtime stubs
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66 public long debugStub;
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67 public long instanceofStub;
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68 public long newInstanceStub;
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69 public long unresolvedNewInstanceStub;
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70 public long newTypeArrayStub;
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71 public long newObjectArrayStub;
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72 public long newMultiArrayStub;
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73 public long loadKlassStub;
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74 public long accessFieldStub;
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75 public long resolveStaticCallStub;
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76 public long inlineCacheMissStub;
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77 public long unwindExceptionStub;
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78 public long handleExceptionStub;
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79 public long handleDeoptStub;
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80 public long monitorEnterStub;
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81 public long monitorExitStub;
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82 public long fastMonitorEnterStub;
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83 public long fastMonitorExitStub;
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84 public long verifyPointerStub;
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85
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86 public void check() {
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87 assert vmPageSize >= 16;
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88 assert codeEntryAlignment > 0;
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89 assert stackShadowPages > 0;
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90 }
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91
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92 public int getArrayOffset(CiKind kind) {
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93 return arrayOffsets[getKindNumber(kind)];
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94 }
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95
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96 private int getKindNumber(CiKind kind) {
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97 if (kind == CiKind.Boolean) {
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98 return 0;
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99 } else if (kind == CiKind.Byte) {
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100 return 1;
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101 } else if (kind == CiKind.Short) {
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102 return 2;
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103 } else if (kind == CiKind.Char) {
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104 return 3;
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105 } else if (kind == CiKind.Int) {
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106 return 4;
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107 } else if (kind == CiKind.Float) {
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108 return 5;
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109 } else if (kind == CiKind.Long) {
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110 return 6;
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111 } else if (kind == CiKind.Double) {
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112 return 7;
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113 } else if (kind == CiKind.Object) {
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114 return 8;
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115 } else {
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116 throw new RuntimeException(kind + " is not a Java kind");
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117 }
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118 }
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119 }