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annotate c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotRuntime.java @ 1439:d0c8d3a2a7e8

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Modified domake script to use (and require) JRE7 environment variable for find the base of a JRE 7 installation. This script no also ensures that $JRE7/lib/amd64/jvm.cfg has the right value for '-client'. Added c1x4hotspotsrc/hotspot/java as indirect launcher for $JRE7/bin/java that can be referenced from Eclipse launch configuration. Copied .checkstyle_checks.xml from C1X project to c1x4hotspotsrc/HotSpotVM so that it can be used by HotSpotVM project without hard coded path to C1X in another Eclipse workspace. Various other changes to reflect changes in CRI and C1X.
author Doug Simon <doug.simon@oracle.com>
date Fri, 29 Oct 2010 18:14:17 +0200
parents 9e5e83ca2259
children 8cfe3537a0d3 43a93774d24f
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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
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26 import com.sun.cri.ci.*;
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27 import com.sun.cri.ci.CiTargetMethod.Call;
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28 import com.sun.cri.ci.CiTargetMethod.DataPatch;
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29 import com.sun.cri.ci.CiTargetMethod.Safepoint;
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30 import com.sun.cri.ri.*;
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31 import com.sun.max.asm.*;
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32 import com.sun.max.asm.dis.*;
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33 import com.sun.max.lang.*;
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34
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35 /**
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36 * CRI runtime implementation for the HotSpot VM.
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37 *
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38 * @author Thomas Wuerthinger, Lukas Stadler
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39 */
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40 public class HotSpotRuntime implements RiRuntime {
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41
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42 final HotSpotVMConfig config;
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43 final HotSpotRegisterConfig regConfig;
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44
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45
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46 public HotSpotRuntime(HotSpotVMConfig config) {
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47 this.config = config;
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48 regConfig = new HotSpotRegisterConfig(config);
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49 }
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50
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51 @Override
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52 public int codeOffset() {
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53 return 0;
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54 }
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55
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56 @Override
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57 public String disassemble(byte[] code) {
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58 return disassemble(code, new DisassemblyPrinter(false));
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59 }
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60
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61 private String disassemble(byte[] code, DisassemblyPrinter disassemblyPrinter) {
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62 final ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
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63 final ISA instructionSet = ISA.AMD64;
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64 Disassembler.disassemble(byteArrayOutputStream, code, instructionSet, WordWidth.BITS_64, 0, null, disassemblyPrinter);
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65 return byteArrayOutputStream.toString();
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66 }
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67
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68 @Override
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69 public String disassemble(final CiTargetMethod targetMethod) {
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70
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71 final DisassemblyPrinter disassemblyPrinter = new DisassemblyPrinter(false) {
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72
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73 private String toString(Call call) {
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74 if (call.runtimeCall != null) {
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75 return "{" + call.runtimeCall.name() + "}";
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76 } else if (call.symbol != null) {
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77 return "{" + call.symbol + "}";
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78 } else if (call.globalStubID != null) {
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79 return "{" + call.globalStubID + "}";
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80 } else {
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81 return "{" + call.method + "}";
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82 }
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83 }
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84
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85 private String siteInfo(int pcOffset) {
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86 for (Call call : targetMethod.directCalls) {
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87 if (call.pcOffset == pcOffset) {
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88 return toString(call);
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89 }
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90 }
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91 for (Call call : targetMethod.indirectCalls) {
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92 if (call.pcOffset == pcOffset) {
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93 return toString(call);
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94 }
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95 }
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96 for (Safepoint site : targetMethod.safepoints) {
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97 if (site.pcOffset == pcOffset) {
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98 return "{safepoint}";
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99 }
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100 }
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101 for (DataPatch site : targetMethod.dataReferences) {
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102 if (site.pcOffset == pcOffset) {
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103 return "{" + site.constant + "}";
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104 }
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105 }
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106 return null;
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107 }
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108
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109 @Override
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110 protected String disassembledObjectString(Disassembler disassembler, DisassembledObject disassembledObject) {
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111 final String string = super.disassembledObjectString(disassembler, disassembledObject);
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112
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113 String site = siteInfo(disassembledObject.startPosition());
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114 if (site != null) {
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115 return string + " " + site;
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116 }
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117 return string;
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118 }
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119 };
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120 return disassemble(targetMethod.targetCode(), disassemblyPrinter);
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121 }
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122
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123 @Override
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124 public String disassemble(RiMethod method) {
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125 return "No disassembler available";
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126 }
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127
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128 @Override
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129 public RiConstantPool getConstantPool(RiMethod method) {
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130 return ((HotSpotTypeResolved) method.holder()).constantPool();
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131 }
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132
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133 @Override
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134 public RiOsrFrame getOsrFrame(RiMethod method, int bci) {
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135 return null;
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136 }
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137
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138 @Override
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139 public RiType getRiType(Class<?> javaClass) {
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140 if (javaClass == Object[].class || javaClass == Long.class || javaClass == Integer.class || javaClass == Throwable.class) {
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141 return Compiler.getVMEntries().getType(javaClass);
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142 }
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143 throw new UnsupportedOperationException("unexpected class in getRiType: " + javaClass);
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144 }
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145
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146 @Override
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147 public RiSnippets getSnippets() {
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148 throw new UnsupportedOperationException("getSnippets");
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149 }
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150
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151 @Override
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152 public boolean mustInline(RiMethod method) {
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153 return false;
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154 }
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155
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156 @Override
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157 public boolean mustNotCompile(RiMethod method) {
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158 return false;
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159 }
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160
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161 @Override
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162 public boolean mustNotInline(RiMethod method) {
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163 return Modifier.isNative(method.accessFlags());
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164 }
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165
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166 @Override
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167 public Object registerGlobalStub(CiTargetMethod targetMethod, String name) {
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168 return HotSpotTargetMethod.installStub(targetMethod, name);
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169 }
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170
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171 @Override
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172 public int sizeofBasicObjectLock() {
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173 // TODO shouldn't be hard coded
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174 return 2 * 8;
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175 }
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176
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177 @Override
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178 public int basicObjectLockOffsetInBytes() {
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179 return 8;
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180 }
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181
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182 @Override
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183 public RiField getRiField(Field javaField) {
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184 throw new UnsupportedOperationException("getRiField");
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185 }
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186
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187 @Override
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188 public RiMethod getRiMethod(Method javaMethod) {
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189 throw new UnsupportedOperationException("getRiMethod");
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190 }
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191
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192 @Override
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193 public RiMethod getRiMethod(Constructor<?> javaConstructor) {
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194 throw new UnsupportedOperationException("getRiMethod");
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195 }
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196
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197 @Override
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198 public CiConstant invoke(RiMethod method, CiMethodInvokeArguments args) {
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199 return null;
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200 }
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201
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202 @Override
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203 public CiConstant foldWordOperation(int opcode, CiMethodInvokeArguments args) {
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204 throw new UnsupportedOperationException("foldWordOperation");
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205 }
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206
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207 @Override
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208 public boolean compareConstantObjects(Object x, Object y) {
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209 if (x == null && y == null) {
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210 return true;
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211 } else if (x == null || y == null) {
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212 return false;
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213 } else if (x instanceof Long && y instanceof Long) {
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214 return (Long) x == (long) (Long) y;
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215 }
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216 throw new UnsupportedOperationException("compareConstantObjects: " + x + ", " + y);
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217 }
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218
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219 @Override
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220 public boolean recordLeafMethodAssumption(RiMethod method) {
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221 return false;
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222 }
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223
1439
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224 @Override
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225 public RiRegisterConfig getRegisterConfig(RiMethod method) {
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226 return regConfig;
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227 }
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228 }