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annotate c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotTypeResolved.java @ 1445:a7b84a5e16c6

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Remove caching for constant pool entries (same index can be used to retrieve e.g. type and field). Fast fail on bailout in C1X.
author Thomas Wuerthinger <wuerthinger@ssw.jku.at>
date Tue, 09 Nov 2010 13:42:06 +0100
parents 9e5e83ca2259
children 2c754f3a2722
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*
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2 * Copyright (c) 2010 Sun Microsystems, Inc. All rights reserved.
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3 *
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4 * Sun Microsystems, Inc. has intellectual property rights relating to technology embodied in the product
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5 * that is described in this document. In particular, and without limitation, these intellectual property
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6 * rights may include one or more of the U.S. patents listed at http://www.sun.com/patents and one or
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7 * more additional patents or pending patent applications in the U.S. and in other countries.
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8 *
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9 * U.S. Government Rights - Commercial software. Government users are subject to the Sun
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10 * Microsystems, Inc. standard license agreement and applicable provisions of the FAR and its
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11 * supplements.
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12 *
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13 * Use is subject to license terms. Sun, Sun Microsystems, the Sun logo, Java and Solaris are trademarks or
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14 * registered trademarks of Sun Microsystems, Inc. in the U.S. and other countries. All SPARC trademarks
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15 * are used under license and are trademarks or registered trademarks of SPARC International, Inc. in the
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16 * U.S. and other countries.
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17 *
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18 * UNIX is a registered trademark in the U.S. and other countries, exclusively licensed through X/Open
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19 * Company, Ltd.
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20 */
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21 package com.sun.hotspot.c1x;
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22
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23 import java.lang.reflect.*;
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24
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25 import com.sun.cri.ci.*;
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26 import com.sun.cri.ri.*;
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27 import com.sun.hotspot.c1x.logging.*;
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28
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29 /**
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30 * Implementation of RiType for resolved non-primitive HotSpot classes.
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31 *
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32 * @author Thomas Wuerthinger, Lukas Stadler
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33 */
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34 public class HotSpotTypeResolved implements HotSpotType {
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35
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36 private final long vmId;
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37 private final long javaMirrorVmId;
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38 private final String name;
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39 private final int accessFlags;
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40 private final boolean hasFinalizer;
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41 private final boolean hasSubclass;
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42 private final boolean hasFinalizableSubclass;
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43 private final boolean isInitialized;
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44 private final boolean isArrayClass;
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45 private final boolean isInstanceClass;
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46 private final boolean isInterface;
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47 private final int instanceSize;
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48 private final RiType componentType;
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49
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50 public HotSpotTypeResolved(long vmId, long javaMirrorVmId, String name, int accessFlags, boolean hasFinalizer, boolean hasSubclass, boolean hasFinalizableSubclass, boolean isInitialized,
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51 boolean isArrayClass, boolean isInstanceClass, boolean isInterface, int instanceSize, RiType componentType) {
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52 this.vmId = vmId;
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53 this.javaMirrorVmId = javaMirrorVmId;
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54 this.name = name;
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55 this.accessFlags = accessFlags;
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56 this.hasFinalizer = hasFinalizer;
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57 this.hasSubclass = hasSubclass;
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58 this.hasFinalizableSubclass = hasFinalizableSubclass;
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59 this.isInitialized = isInitialized;
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60 this.isArrayClass = isArrayClass;
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61 this.isInstanceClass = isInstanceClass;
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62 this.isInterface = isInterface;
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63 this.instanceSize = instanceSize;
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64 this.componentType = componentType;
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65 }
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66
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67 @Override
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68 public int accessFlags() {
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69 return accessFlags;
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70 }
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71
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72 @Override
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73 public RiType arrayOf() {
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74 Logger.log("arrayOf " + name);
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75 return null;
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76 //return Compiler.getVMEntries().RiType_arrayOf(vmId);
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77 }
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78
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79 @Override
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80 public RiType componentType() {
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81 Logger.log("componentType " + name + " isarray: " + isArrayClass);
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82 return Compiler.getVMEntries().RiType_componentType(vmId);
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83 }
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84
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85 @Override
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86 public RiType exactType() {
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87 // TODO is this correct? what's this exactType good for?
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88 if (Modifier.isFinal(accessFlags)) {
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89 return this;
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90 }
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91 return null;
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92 }
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93
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94 @Override
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95 public CiConstant getEncoding(Representation r) {
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96 switch (r) {
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97 case JavaClass:
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98 return CiConstant.forObject((Long) javaMirrorVmId);
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99 case ObjectHub:
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100 return CiConstant.forObject(this);
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101 case StaticFields:
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102 return CiConstant.forObject(this);
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103 case TypeInfo:
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104 return CiConstant.forObject(this);
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105 default:
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106 return null;
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107 }
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108 }
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109
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110 @Override
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111 public CiKind getRepresentationKind(Representation r) {
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112 return CiKind.Object;
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113 }
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114
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115 @Override
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116 public boolean hasFinalizableSubclass() {
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117 return hasFinalizableSubclass;
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118 }
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119
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120 @Override
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121 public boolean hasFinalizer() {
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122 return hasFinalizer;
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123 }
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124
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125 @Override
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126 public boolean hasSubclass() {
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127 return hasSubclass;
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128 }
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129
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130 @Override
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131 public boolean isArrayClass() {
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132 return isArrayClass;
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133 }
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134
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135 @Override
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136 public boolean isInitialized() {
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137 return isInitialized;
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138 }
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139
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140 @Override
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141 public boolean isInstance(Object obj) {
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142 throw new UnsupportedOperationException();
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143 }
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144
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145 @Override
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146 public boolean isInstanceClass() {
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147 return isInstanceClass;
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148 }
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149
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150 @Override
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151 public boolean isInterface() {
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152 return isInterface;
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153 }
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154
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155 @Override
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156 public boolean isResolved() {
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157 return true;
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158 }
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159
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160 @Override
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161 public boolean isSubtypeOf(RiType other) {
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162 if (other instanceof HotSpotTypeResolved) {
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163 return Compiler.getVMEntries().RiType_isSubtypeOf(vmId, other);
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164 }
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165 // No resolved type is a subtype of an unresolved type.
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166 return false;
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167 }
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168
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169 @Override
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diff changeset
170 public Class<?> javaClass() {
1435
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171 return null;
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172 }
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173
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174 @Override
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175 public CiKind kind() {
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176 return CiKind.Object;
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177 }
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178
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179 @Override
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180 public String name() {
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181 return "L" + name + ";";
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182 }
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183
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184 @Override
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185 public String simpleName() {
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186 return name;
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187 }
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188
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189 @Override
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190 public RiMethod resolveMethodImpl(RiMethod method) {
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191 assert method instanceof HotSpotMethod;
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192 return Compiler.getVMEntries().RiType_resolveMethodImpl(vmId, method.name(), method.signature().asString());
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193 }
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194
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195 @Override
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196 public String toString() {
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197 return "HotSpotType<" + name + ", resolved>";
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198 }
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199
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diff changeset
200 public RiConstantPool constantPool() {
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diff changeset
201 return Compiler.getVMEntries().RiType_constantPool(vmId);
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202 }
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diff changeset
203
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diff changeset
204 public long getVmId() {
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205 return vmId;
1421
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diff changeset
206 }
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diff changeset
207
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diff changeset
208 public int instanceSize() {
1425
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diff changeset
209 return instanceSize;
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210 }
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diff changeset
211
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212 }