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annotate c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotRuntime.java @ 1449:8cfe3537a0d3

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Pointer verification stub. Two loose oop fixes in C1X C++ part. Logging which methods have been compiled.
author Thomas Wuerthinger <wuerthinger@ssw.jku.at>
date Thu, 11 Nov 2010 14:09:37 +0100
parents d0c8d3a2a7e8
children cb03c46412a4
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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.io.*;
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24 import java.lang.reflect.*;
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25 import java.util.*;
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26
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27 import com.sun.cri.ci.*;
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28 import com.sun.cri.ci.CiTargetMethod.Call;
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29 import com.sun.cri.ci.CiTargetMethod.DataPatch;
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30 import com.sun.cri.ci.CiTargetMethod.Safepoint;
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31 import com.sun.cri.ri.*;
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32 import com.sun.max.asm.*;
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33 import com.sun.max.asm.dis.*;
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34 import com.sun.max.lang.*;
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35
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36 /**
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37 * CRI runtime implementation for the HotSpot VM.
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38 *
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39 * @author Thomas Wuerthinger, Lukas Stadler
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40 */
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41 public class HotSpotRuntime implements RiRuntime {
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42
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43 final HotSpotVMConfig config;
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44 final HotSpotRegisterConfig regConfig;
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45
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46
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47 public HotSpotRuntime(HotSpotVMConfig config) {
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48 this.config = config;
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49 regConfig = new HotSpotRegisterConfig(config);
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50 }
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51
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52 @Override
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53 public int codeOffset() {
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54 return 0;
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55 }
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56
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57 @Override
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58 public String disassemble(byte[] code) {
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59 return disassemble(code, new DisassemblyPrinter(false));
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60 }
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61
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62 private String disassemble(byte[] code, DisassemblyPrinter disassemblyPrinter) {
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63 final ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
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64 final ISA instructionSet = ISA.AMD64;
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65 Disassembler.disassemble(byteArrayOutputStream, code, instructionSet, WordWidth.BITS_64, 0, null, disassemblyPrinter);
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66 return byteArrayOutputStream.toString();
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67 }
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68
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69 @Override
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70 public String disassemble(final CiTargetMethod targetMethod) {
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71
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72 final DisassemblyPrinter disassemblyPrinter = new DisassemblyPrinter(false) {
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73
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74 private String toString(Call call) {
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75 if (call.runtimeCall != null) {
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76 return "{" + call.runtimeCall.name() + "}";
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77 } else if (call.symbol != null) {
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78 return "{" + call.symbol + "}";
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79 } else if (call.globalStubID != null) {
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80 return "{" + call.globalStubID + "}";
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81 } else {
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82 return "{" + call.method + "}";
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83 }
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84 }
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85
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86 private String siteInfo(int pcOffset) {
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87 for (Call call : targetMethod.directCalls) {
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88 if (call.pcOffset == pcOffset) {
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89 return toString(call);
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90 }
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91 }
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92 for (Call call : targetMethod.indirectCalls) {
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93 if (call.pcOffset == pcOffset) {
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94 return toString(call);
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95 }
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96 }
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97 for (Safepoint site : targetMethod.safepoints) {
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98 if (site.pcOffset == pcOffset) {
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99 return "{safepoint}";
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100 }
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101 }
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102 for (DataPatch site : targetMethod.dataReferences) {
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103 if (site.pcOffset == pcOffset) {
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104 return "{" + site.constant + "}";
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105 }
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106 }
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107 return null;
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108 }
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109
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110 @Override
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111 protected String disassembledObjectString(Disassembler disassembler, DisassembledObject disassembledObject) {
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112 final String string = super.disassembledObjectString(disassembler, disassembledObject);
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113
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114 String site = siteInfo(disassembledObject.startPosition());
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115 if (site != null) {
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116 return string + " " + site;
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117 }
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118 return string;
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119 }
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120 };
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121 final byte[] code = Arrays.copyOf(targetMethod.targetCode(), targetMethod.targetCodeSize());
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122 return disassemble(code, disassemblyPrinter);
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123 }
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124
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125 @Override
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126 public String disassemble(RiMethod method) {
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127 return "No disassembler available";
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128 }
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129
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130 @Override
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131 public RiConstantPool getConstantPool(RiMethod method) {
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132 return ((HotSpotTypeResolved) method.holder()).constantPool();
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133 }
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134
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135 @Override
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136 public RiOsrFrame getOsrFrame(RiMethod method, int bci) {
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137 return null;
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138 }
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139
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140 @Override
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141 public RiType getRiType(Class<?> javaClass) {
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142 if (javaClass == Object[].class || javaClass == Long.class || javaClass == Integer.class || javaClass == Throwable.class) {
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143 return Compiler.getVMEntries().getType(javaClass);
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144 }
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145 throw new UnsupportedOperationException("unexpected class in getRiType: " + javaClass);
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146 }
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147
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148 @Override
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149 public RiSnippets getSnippets() {
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150 throw new UnsupportedOperationException("getSnippets");
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151 }
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152
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153 @Override
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154 public boolean mustInline(RiMethod method) {
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155 return false;
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156 }
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157
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158 @Override
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159 public boolean mustNotCompile(RiMethod method) {
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160 return false;
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161 }
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162
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163 @Override
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164 public boolean mustNotInline(RiMethod method) {
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165 return Modifier.isNative(method.accessFlags());
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166 }
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167
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168 @Override
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169 public Object registerGlobalStub(CiTargetMethod targetMethod, String name) {
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170 return HotSpotTargetMethod.installStub(targetMethod, name);
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171 }
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172
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173 @Override
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174 public int sizeofBasicObjectLock() {
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175 // TODO shouldn't be hard coded
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176 return 2 * 8;
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177 }
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178
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179 @Override
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180 public int basicObjectLockOffsetInBytes() {
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181 return 8;
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182 }
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183
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184 @Override
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185 public RiField getRiField(Field javaField) {
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186 throw new UnsupportedOperationException("getRiField");
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187 }
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188
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189 @Override
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190 public RiMethod getRiMethod(Method javaMethod) {
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191 throw new UnsupportedOperationException("getRiMethod");
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192 }
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193
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194 @Override
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195 public RiMethod getRiMethod(Constructor<?> javaConstructor) {
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196 throw new UnsupportedOperationException("getRiMethod");
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197 }
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198
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199 @Override
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200 public CiConstant invoke(RiMethod method, CiMethodInvokeArguments args) {
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201 return null;
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202 }
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203
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204 @Override
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205 public CiConstant foldWordOperation(int opcode, CiMethodInvokeArguments args) {
1433
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206 throw new UnsupportedOperationException("foldWordOperation");
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207 }
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208
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209 @Override
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210 public boolean compareConstantObjects(Object x, Object y) {
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211 if (x == null && y == null) {
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212 return true;
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213 } else if (x == null || y == null) {
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214 return false;
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215 } else if (x instanceof Long && y instanceof Long) {
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216 return (Long) x == (long) (Long) y;
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217 }
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218 throw new UnsupportedOperationException("compareConstantObjects: " + x + ", " + y);
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219 }
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220
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221 @Override
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222 public boolean recordLeafMethodAssumption(RiMethod method) {
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223 return false;
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224 }
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225
1439
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226 @Override
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227 public RiRegisterConfig getRegisterConfig(RiMethod method) {
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228 return regConfig;
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diff changeset
229 }
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230 }