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annotate c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotRuntime.java @ 1419:7bf6a77b9c5a

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implement recent safepoint & exceptionobject ci changes, HotSpotVMConfig
author Lukas Stadler <lukas.stadler@oracle.com>
date Mon, 12 Jul 2010 15:05:17 -0700
parents 2c41834aa270
children 44efca8a02d6
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1 /*
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2 * Copyright (c) 2009 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.ByteArrayOutputStream;
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24 import java.io.OutputStream;
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25 import java.lang.reflect.Constructor;
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26 import java.lang.reflect.Field;
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27 import java.lang.reflect.Method;
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28
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29 import com.sun.cri.ci.CiConstant;
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30 import com.sun.cri.ci.CiMethodInvokeArguments;
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31 import com.sun.cri.ci.CiTargetMethod;
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32 import com.sun.cri.ci.CiTargetMethod.Call;
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33 import com.sun.cri.ci.CiTargetMethod.DataPatch;
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34 import com.sun.cri.ci.CiTargetMethod.Safepoint;
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35 import com.sun.cri.ri.RiConstantPool;
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36 import com.sun.cri.ri.RiField;
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37 import com.sun.cri.ri.RiMethod;
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38 import com.sun.cri.ri.RiOsrFrame;
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39 import com.sun.cri.ri.RiRuntime;
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40 import com.sun.cri.ri.RiSnippets;
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41 import com.sun.cri.ri.RiType;
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42 import com.sun.max.asm.InstructionSet;
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43 import com.sun.max.asm.dis.DisassembledObject;
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44 import com.sun.max.asm.dis.Disassembler;
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45 import com.sun.max.asm.dis.DisassemblyPrinter;
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46
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47 /**
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48 *
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49 * @author Thomas Wuerthinger
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50 *
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51 * CRI runtime implementation for the HotSpot VM.
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52 *
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53 */
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54 public class HotSpotRuntime implements RiRuntime {
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55
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56 private final HotSpotVMConfig config;
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57
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58 public HotSpotRuntime(HotSpotVMConfig config) {
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59 this.config = config;
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60 }
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61
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62 @Override
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63 public int basicObjectLockOffsetInBytes() {
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64 // TODO Auto-generated method stub
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65 return 0;
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66 }
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67
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68 @Override
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69 public int codeOffset() {
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70 // TODO Auto-generated method stub
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71 return 0;
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72 }
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73
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74 @Override
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75 public void codePrologue(RiMethod method, OutputStream out) {
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76 // TODO Auto-generated method stub
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77
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78 }
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79
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80 @Override
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81 public String disassemble(byte[] code) {
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82 return disassemble(code, new DisassemblyPrinter(false));
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83 }
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84
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85 private String disassemble(byte[] code, DisassemblyPrinter disassemblyPrinter) {
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86 final ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
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87 final InstructionSet instructionSet = InstructionSet.AMD64;
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88 Disassembler.disassemble(byteArrayOutputStream, code, instructionSet, null, 0, null, disassemblyPrinter);
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89 return byteArrayOutputStream.toString();
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90 }
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91
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92 @Override
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93 public String disassemble(final CiTargetMethod targetMethod) {
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94
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95 final DisassemblyPrinter disassemblyPrinter = new DisassemblyPrinter(false) {
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96
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97 private String toString(Call call) {
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98 if (call.runtimeCall != null) {
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99 return "{" + call.runtimeCall.name() + "}";
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100 } else if (call.symbol != null) {
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101 return "{" + call.symbol + "}";
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102 } else if (call.globalStubID != null) {
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103 return "{" + call.globalStubID + "}";
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104 } else {
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105 return "{" + call.method + "}";
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106 }
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107 }
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108
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109 private String siteInfo(int pcOffset) {
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110 for (Call call : targetMethod.directCalls) {
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111 if (call.pcOffset == pcOffset) {
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112 return toString(call);
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113 }
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114 }
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115 for (Call call : targetMethod.indirectCalls) {
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116 if (call.pcOffset == pcOffset) {
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117 return toString(call);
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118 }
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119 }
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120 for (Safepoint site : targetMethod.safepoints) {
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121 if (site.pcOffset == pcOffset) {
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122 return "{safepoint}";
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123 }
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124 }
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125 for (DataPatch site : targetMethod.dataReferences) {
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126 if (site.pcOffset == pcOffset) {
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127 return "{" + site.data + "}";
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128 }
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129 }
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130 return null;
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131 }
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132
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133 @Override
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134 protected String disassembledObjectString(Disassembler disassembler, DisassembledObject disassembledObject) {
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135 final String string = super.disassembledObjectString(disassembler, disassembledObject);
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136
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137 String site = siteInfo(disassembledObject.startPosition());
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138 if (site != null) {
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139 return string + " " + site;
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140 }
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141 return string;
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142 }
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143 };
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144 return disassemble(targetMethod.targetCode(), disassemblyPrinter);
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145 }
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146
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147 @Override
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148 public String disassemble(RiMethod method) {
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149 return "No disassembler available";
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150 }
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151
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152 @Override
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153 public RiConstantPool getConstantPool(RiMethod method) {
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154 return VMEntries.RiRuntime_getConstantPool(((HotSpotType)method.holder()).klassOop);
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155 }
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156
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157 @Override
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158 public RiOsrFrame getOsrFrame(RiMethod method, int bci) {
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159 // TODO Auto-generated method stub
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160 return null;
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161 }
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162
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163 @Override
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164 public RiType getRiType(Class<?> javaClass) {
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165 // TODO Auto-generated method stub
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166 return null;
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167 }
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168
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169 @Override
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170 public RiSnippets getSnippets() {
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171 // TODO Auto-generated method stub
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172 return null;
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173 }
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174
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175 @Override
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176 public boolean mustInline(RiMethod method) {
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177 // TODO Auto-generated method stub
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178 return false;
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179 }
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180
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181 @Override
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182 public boolean mustNotCompile(RiMethod method) {
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183 // TODO Auto-generated method stub
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184 return false;
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185 }
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186
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187 @Override
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188 public boolean mustNotInline(RiMethod method) {
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189 // TODO Auto-generated method stub
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190 return false;
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191 }
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192
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193 @Override
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194 public Object registerTargetMethod(CiTargetMethod targetMethod, String name) {
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195 // TODO Auto-generated method stub
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196 return null;
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197 }
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198
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199 @Override
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200 public int sizeofBasicObjectLock() {
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201 // TODO Auto-generated method stub
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202 return 0;
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203 }
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204
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205 @Override
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206 public RiField getRiField(Field javaField) {
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207 // TODO Auto-generated method stub
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208 return null;
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209 }
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210
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211 @Override
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212 public RiMethod getRiMethod(Method javaMethod) {
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213 // TODO Auto-generated method stub
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214 return null;
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215 }
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216
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217 @Override
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218 public RiMethod getRiMethod(Constructor<?> javaConstructor) {
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219 // TODO Auto-generated method stub
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220 return null;
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221 }
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222
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223 @Override
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224 public CiConstant invoke(RiMethod method, CiMethodInvokeArguments args) {
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225 // TODO Auto-generated method stub
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226 return null;
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227 }
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228
1417
2c41834aa270 Small adaptations
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229 @Override
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diff changeset
230 public CiConstant foldWordOperation(int opcode, CiMethodInvokeArguments args) {
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231 // TODO Auto-generated method stub
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232 return null;
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diff changeset
233 }
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diff changeset
234
1416
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235 }