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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/HotSpotVMConfig.java @ 6367:cc402f4396f4

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deleted caching of initial mark word in HotSpotResolvedJavaType. This value is modified by the biased locking mechanism and so it not constant for a Klass
author Doug Simon <doug.simon@oracle.com>
date Wed, 12 Sep 2012 23:50:37 +0200
parents 07da50ea3275
children 1d7c73b5d787
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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.hotspot;
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24
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25 import com.oracle.graal.api.code.*;
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26 import com.oracle.max.asm.target.amd64.*;
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27
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28
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29 /**
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30 * Used to communicate configuration details, runtime offsets, etc. to graal upon compileMethod.
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31 */
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32 public final class HotSpotVMConfig extends CompilerObject {
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33
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34 private static final long serialVersionUID = -4744897993263044184L;
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35
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36 HotSpotVMConfig() {
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37 }
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38
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39 // os information, register layout, code generation, ...
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40 public boolean windowsOs;
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41 public int codeEntryAlignment;
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42 public boolean verifyOops;
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43 public boolean useFastLocking;
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44 public boolean useFastNewObjectArray;
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45 public boolean useFastNewTypeArray;
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46 public boolean useTLAB;
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47
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48 // offsets, ...
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49 public int vmPageSize;
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50 public int stackShadowPages;
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51
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52 /**
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53 * The offset of the mark word in an object's header.
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54 */
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55 public int markOffset;
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56
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57 /**
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58 * The offset of the hub/klassOop word in an object's header.
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59 */
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60 public int hubOffset;
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61
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62 /**
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63 * The offset of the _prototype_header field in a Klass.
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64 */
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65 public int initialMarkWordOffset;
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66
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67 /**
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68 * The offset of an the array length in an array's header.
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69 */
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70 public int arrayLengthOffset;
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71
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72 /**
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73 * The offset of the _super_check_offset field in a Klass.
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74 */
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75 public int superCheckOffsetOffset;
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76
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77 /**
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78 * The offset of the _secondary_super_cache field in a Klass.
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79 */
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80 public int secondarySuperCacheOffset;
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81
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82 /**
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83 * The offset of the _secondary_supers field in a Klass.
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84 */
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85 public int secondarySupersOffset;
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86
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87 /**
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88 * The offset of the _init_state field in an instanceKlass.
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89 */
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90 public int klassStateOffset;
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91
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92 /**
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93 * The value of instanceKlass::fully_initialized.
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94 */
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95 public int klassStateFullyInitialized;
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96
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97 /**
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98 * The value of objArrayKlass::element_klass_offset().
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99 */
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100 public int arrayClassElementOffset;
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101
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102 /**
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103 * The value of JavaThread::tlab_top_offset().
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104 */
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105 public int threadTlabTopOffset;
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106
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107 /**
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108 * The value of JavaThread::tlab_end_offset().
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109 */
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110 public int threadTlabEndOffset;
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111
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112 public int threadObjectOffset;
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113
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114 public int threadExceptionOopOffset;
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115 public int threadExceptionPcOffset;
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116 public int threadMultiNewArrayStorageOffset;
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117 public long cardtableStartAddress;
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118 public int cardtableShift;
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119 public long safepointPollingAddress;
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120 public boolean isPollingPageFar;
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121 public int classMirrorOffset;
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122 public int runtimeCallStackSize;
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123 public int klassModifierFlagsOffset;
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124 public int klassOopOffset;
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125 public int graalMirrorKlassOffset;
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126 public int nmethodEntryOffset;
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127 public int methodCompiledEntryOffset;
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128
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129 // methodData information
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130 public int methodDataOopDataOffset;
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131 public int methodDataOopTrapHistoryOffset;
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132 public int dataLayoutHeaderSize;
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133 public int dataLayoutTagOffset;
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4199
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134 public int dataLayoutFlagsOffset;
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4199
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135 public int dataLayoutBCIOffset;
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4199
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136 public int dataLayoutCellsOffset;
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4199
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137 public int dataLayoutCellSize;
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4199
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138 public int bciProfileWidth;
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4199
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139 public int typeProfileWidth;
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4199
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140
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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141 // runtime stubs
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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142 public long debugStub;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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143 public long instanceofStub;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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144 public long newInstanceStub;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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145 public long newTypeArrayStub;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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146 public long newObjectArrayStub;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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147 public long newMultiArrayStub;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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148 public long inlineCacheMissStub;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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149 public long handleExceptionStub;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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150 public long handleDeoptStub;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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151 public long monitorEnterStub;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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152 public long monitorExitStub;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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153 public long fastMonitorEnterStub;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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154 public long fastMonitorExitStub;
5624
7d25723b7699 added oop verification to NewInstanceSnippets when -XX:+VerifyOops is enabled
Doug Simon <doug.simon@oracle.com>
parents: 5602
diff changeset
155 public long verifyOopStub;
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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156
6364
07da50ea3275 thread register is now retrieved from HotSpotVMConfig instead of being hard coded
Doug Simon <doug.simon@oracle.com>
parents: 6363
diff changeset
157 // special registers
07da50ea3275 thread register is now retrieved from HotSpotVMConfig instead of being hard coded
Doug Simon <doug.simon@oracle.com>
parents: 6363
diff changeset
158 public final Register threadRegister = AMD64.r15;
07da50ea3275 thread register is now retrieved from HotSpotVMConfig instead of being hard coded
Doug Simon <doug.simon@oracle.com>
parents: 6363
diff changeset
159
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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160 public void check() {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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161 assert vmPageSize >= 16;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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162 assert codeEntryAlignment > 0;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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163 assert stackShadowPages > 0;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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164 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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165 }