Mercurial > hg > truffle
annotate c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotRuntime.java @ 1422:3483ec571caf
* using reflected objects instead of oops
* removed scratch from allocatable registers
* instanceof xir snippet
* arraylength xir snippet
* exceptionobject xir snippet
* VMEntries and VMExits as interfaces
* calls to VMEntries and VMExits are routet through logging proxies
author | Lukas Stadler <lukas.stadler@oracle.com> |
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date | Mon, 02 Aug 2010 15:44:38 -0700 |
parents | 6223633ce7dd |
children | 760213a60e8b |
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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 that is |
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5 * described in this document. In particular, and without limitation, these intellectual property rights may include one |
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6 * or more of the U.S. patents listed at http://www.sun.com/patents and one or more additional patents or pending patent |
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7 * 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 Microsystems, Inc. standard |
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10 * license agreement and applicable provisions of the FAR and its supplements. |
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11 * |
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12 * Use is subject to license terms. Sun, Sun Microsystems, the Sun logo, Java and Solaris are trademarks or registered |
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13 * trademarks of Sun Microsystems, Inc. in the U.S. and other countries. All SPARC trademarks are used under license and |
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14 * are trademarks or registered trademarks of SPARC International, Inc. in the U.S. and other countries. |
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15 * |
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16 * UNIX is a registered trademark in the U.S. and other countries, exclusively licensed through X/Open Company, Ltd. |
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17 */ |
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18 package com.sun.hotspot.c1x; |
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19 |
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20 import java.io.ByteArrayOutputStream; |
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21 import java.lang.reflect.Constructor; |
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22 import java.lang.reflect.Field; |
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23 import java.lang.reflect.Method; |
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24 |
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25 import com.sun.cri.ci.CiConstant; |
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26 import com.sun.cri.ci.CiMethodInvokeArguments; |
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27 import com.sun.cri.ci.CiTargetMethod; |
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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.RiConstantPool; |
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32 import com.sun.cri.ri.RiField; |
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33 import com.sun.cri.ri.RiMethod; |
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34 import com.sun.cri.ri.RiOsrFrame; |
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35 import com.sun.cri.ri.RiRuntime; |
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36 import com.sun.cri.ri.RiSnippets; |
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37 import com.sun.cri.ri.RiType; |
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38 import com.sun.max.asm.InstructionSet; |
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39 import com.sun.max.asm.dis.DisassembledObject; |
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40 import com.sun.max.asm.dis.Disassembler; |
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41 import com.sun.max.asm.dis.DisassemblyPrinter; |
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42 |
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43 /** |
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44 * |
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45 * @author Thomas Wuerthinger |
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46 * |
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47 * CRI runtime implementation for the HotSpot VM. |
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48 * |
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49 */ |
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50 public class HotSpotRuntime implements RiRuntime { |
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51 |
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52 private final HotSpotVMConfig config; |
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53 |
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54 public static enum Entrypoints { |
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55 UNVERIFIED, VERIFIED |
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56 } |
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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 String disassemble(byte[] code) { |
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76 return disassemble(code, new DisassemblyPrinter(false)); |
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77 } |
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78 |
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79 private String disassemble(byte[] code, DisassemblyPrinter disassemblyPrinter) { |
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80 final ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(); |
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81 final InstructionSet instructionSet = InstructionSet.AMD64; |
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82 Disassembler.disassemble(byteArrayOutputStream, code, instructionSet, null, 0, null, disassemblyPrinter); |
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83 return byteArrayOutputStream.toString(); |
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84 } |
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85 |
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86 @Override |
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87 public String disassemble(final CiTargetMethod targetMethod) { |
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88 |
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89 final DisassemblyPrinter disassemblyPrinter = new DisassemblyPrinter(false) { |
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90 |
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91 private String toString(Call call) { |
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92 if (call.runtimeCall != null) { |
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93 return "{" + call.runtimeCall.name() + "}"; |
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94 } else if (call.symbol != null) { |
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95 return "{" + call.symbol + "}"; |
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96 } else if (call.globalStubID != null) { |
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97 return "{" + call.globalStubID + "}"; |
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98 } else { |
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99 return "{" + call.method + "}"; |
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100 } |
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101 } |
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102 |
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103 private String siteInfo(int pcOffset) { |
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104 for (Call call : targetMethod.directCalls) { |
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105 if (call.pcOffset == pcOffset) { |
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106 return toString(call); |
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107 } |
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108 } |
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109 for (Call call : targetMethod.indirectCalls) { |
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110 if (call.pcOffset == pcOffset) { |
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111 return toString(call); |
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112 } |
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113 } |
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114 for (Safepoint site : targetMethod.safepoints) { |
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115 if (site.pcOffset == pcOffset) { |
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116 return "{safepoint}"; |
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117 } |
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118 } |
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119 for (DataPatch site : targetMethod.dataReferences) { |
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120 if (site.pcOffset == pcOffset) { |
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121 return "{" + site.data + "}"; |
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122 } |
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123 } |
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124 return null; |
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125 } |
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126 |
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127 @Override |
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128 protected String disassembledObjectString(Disassembler disassembler, DisassembledObject disassembledObject) { |
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129 final String string = super.disassembledObjectString(disassembler, disassembledObject); |
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130 |
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131 String site = siteInfo(disassembledObject.startPosition()); |
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132 if (site != null) { |
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133 return string + " " + site; |
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134 } |
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135 return string; |
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136 } |
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137 }; |
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138 return disassemble(targetMethod.targetCode(), disassemblyPrinter); |
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139 } |
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140 |
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141 @Override |
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142 public String disassemble(RiMethod method) { |
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143 return "No disassembler available"; |
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144 } |
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145 |
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146 @Override |
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147 public RiConstantPool getConstantPool(RiMethod method) { |
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148 return new HotSpotConstantPool(((HotSpotType) method.holder()).klass); |
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149 } |
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150 |
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151 @Override |
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152 public RiOsrFrame getOsrFrame(RiMethod method, int bci) { |
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153 // TODO Auto-generated method stub |
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154 return null; |
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155 } |
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156 |
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157 @Override |
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158 public RiType getRiType(Class< ? > javaClass) { |
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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 RiSnippets getSnippets() { |
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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 boolean mustInline(RiMethod method) { |
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171 // TODO Auto-generated method stub |
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172 return false; |
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173 } |
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174 |
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175 @Override |
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176 public boolean mustNotCompile(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 mustNotInline(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 Object registerTargetMethod(CiTargetMethod targetMethod, String name) { |
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189 // TODO Auto-generated method stub |
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190 return null; |
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191 } |
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192 |
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193 @Override |
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194 public int sizeofBasicObjectLock() { |
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195 // TODO Auto-generated method stub |
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196 return 0; |
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197 } |
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198 |
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199 @Override |
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200 public RiField getRiField(Field javaField) { |
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201 // TODO Auto-generated method stub |
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202 return null; |
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203 } |
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204 |
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205 @Override |
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206 public RiMethod getRiMethod(Method javaMethod) { |
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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(Constructor< ? > javaConstructor) { |
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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 CiConstant invoke(RiMethod method, CiMethodInvokeArguments args) { |
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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 foldWordOperation(int opcode, 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 |
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229 } |