Mercurial > hg > graal-jvmci-8

annotate c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotRuntime.java @ 1420:44efca8a02d6

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author Lukas Stadler <lukas.stadler@oracle.com>
date Tue, 13 Jul 2010 11:47:55 -0700
parents 7bf6a77b9c5a
children 6223633ce7dd
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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.io.OutputStream;
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22 import java.lang.reflect.Constructor;
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23 import java.lang.reflect.Field;
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24 import java.lang.reflect.Method;
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25
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26 import com.sun.cri.ci.CiConstant;
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27 import com.sun.cri.ci.CiMethodInvokeArguments;
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28 import com.sun.cri.ci.CiTargetMethod;
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29 import com.sun.cri.ci.CiTargetMethod.Call;
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30 import com.sun.cri.ci.CiTargetMethod.DataPatch;
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31 import com.sun.cri.ci.CiTargetMethod.Safepoint;
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32 import com.sun.cri.ri.RiConstantPool;
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33 import com.sun.cri.ri.RiField;
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34 import com.sun.cri.ri.RiMethod;
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35 import com.sun.cri.ri.RiOsrFrame;
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36 import com.sun.cri.ri.RiRuntime;
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37 import com.sun.cri.ri.RiSnippets;
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38 import com.sun.cri.ri.RiType;
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39 import com.sun.max.asm.InstructionSet;
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40 import com.sun.max.asm.dis.DisassembledObject;
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41 import com.sun.max.asm.dis.Disassembler;
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42 import com.sun.max.asm.dis.DisassemblyPrinter;
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43
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44 /**
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45 *
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46 * @author Thomas Wuerthinger
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47 *
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48 * CRI runtime implementation for the HotSpot VM.
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49 *
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50 */
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51 public class HotSpotRuntime implements RiRuntime {
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52
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53 private final HotSpotVMConfig config;
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54
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55 public HotSpotRuntime(HotSpotVMConfig config) {
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56 this.config = config;
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57 }
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58
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59 @Override
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60 public int basicObjectLockOffsetInBytes() {
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61 // TODO Auto-generated method stub
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62 return 0;
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63 }
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64
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65 @Override
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66 public int codeOffset() {
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67 // TODO Auto-generated method stub
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68 return 0;
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69 }
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70
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71 @Override
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72 public void codePrologue(RiMethod method, OutputStream out) {
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73 // TODO Auto-generated method stub
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74
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75 }
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76
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77 @Override
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78 public String disassemble(byte[] code) {
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79 return disassemble(code, new DisassemblyPrinter(false));
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80 }
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81
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82 private String disassemble(byte[] code, DisassemblyPrinter disassemblyPrinter) {
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83 final ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
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84 final InstructionSet instructionSet = InstructionSet.AMD64;
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85 Disassembler.disassemble(byteArrayOutputStream, code, instructionSet, null, 0, null, disassemblyPrinter);
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86 return byteArrayOutputStream.toString();
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87 }
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88
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89 @Override
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90 public String disassemble(final CiTargetMethod targetMethod) {
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91
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92 final DisassemblyPrinter disassemblyPrinter = new DisassemblyPrinter(false) {
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93
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94 private String toString(Call call) {
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95 if (call.runtimeCall != null) {
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96 return "{" + call.runtimeCall.name() + "}";
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97 } else if (call.symbol != null) {
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98 return "{" + call.symbol + "}";
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99 } else if (call.globalStubID != null) {
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100 return "{" + call.globalStubID + "}";
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101 } else {
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102 return "{" + call.method + "}";
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103 }
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104 }
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105
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106 private String siteInfo(int pcOffset) {
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107 for (Call call : targetMethod.directCalls) {
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108 if (call.pcOffset == pcOffset) {
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109 return toString(call);
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110 }
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111 }
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112 for (Call call : targetMethod.indirectCalls) {
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113 if (call.pcOffset == pcOffset) {
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114 return toString(call);
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115 }
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116 }
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117 for (Safepoint site : targetMethod.safepoints) {
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118 if (site.pcOffset == pcOffset) {
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119 return "{safepoint}";
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120 }
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121 }
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122 for (DataPatch site : targetMethod.dataReferences) {
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123 if (site.pcOffset == pcOffset) {
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124 return "{" + site.data + "}";
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125 }
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126 }
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127 return null;
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128 }
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129
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130 @Override
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131 protected String disassembledObjectString(Disassembler disassembler, DisassembledObject disassembledObject) {
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132 final String string = super.disassembledObjectString(disassembler, disassembledObject);
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133
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134 String site = siteInfo(disassembledObject.startPosition());
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135 if (site != null) {
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136 return string + " " + site;
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137 }
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138 return string;
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139 }
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140 };
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141 return disassemble(targetMethod.targetCode(), disassemblyPrinter);
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142 }
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143
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144 @Override
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145 public String disassemble(RiMethod method) {
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146 return "No disassembler available";
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147 }
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148
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149 @Override
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150 public RiConstantPool getConstantPool(RiMethod method) {
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151 return VMEntries.RiRuntime_getConstantPool(((HotSpotType) method.holder()).klassOop);
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152 }
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153
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154 @Override
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155 public RiOsrFrame getOsrFrame(RiMethod method, int bci) {
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156 // TODO Auto-generated method stub
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157 return null;
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158 }
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159
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160 @Override
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161 public RiType getRiType(Class< ? > javaClass) {
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162 // TODO Auto-generated method stub
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163 return null;
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164 }
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165
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166 @Override
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167 public RiSnippets getSnippets() {
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168 // TODO Auto-generated method stub
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169 return null;
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170 }
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171
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172 @Override
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173 public boolean mustInline(RiMethod method) {
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174 // TODO Auto-generated method stub
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175 return false;
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176 }
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177
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178 @Override
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179 public boolean mustNotCompile(RiMethod method) {
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180 // TODO Auto-generated method stub
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181 return false;
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182 }
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183
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184 @Override
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185 public boolean mustNotInline(RiMethod method) {
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186 // TODO Auto-generated method stub
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187 return false;
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188 }
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189
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190 @Override
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191 public Object registerTargetMethod(CiTargetMethod targetMethod, String name) {
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192 // TODO Auto-generated method stub
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193 return null;
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194 }
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195
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196 @Override
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197 public int sizeofBasicObjectLock() {
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198 // TODO Auto-generated method stub
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199 return 0;
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200 }
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201
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202 @Override
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203 public RiField getRiField(Field javaField) {
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204 // TODO Auto-generated method stub
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205 return null;
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206 }
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207
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208 @Override
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209 public RiMethod getRiMethod(Method javaMethod) {
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210 // TODO Auto-generated method stub
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211 return null;
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212 }
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213
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214 @Override
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215 public RiMethod getRiMethod(Constructor< ? > javaConstructor) {
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216 // TODO Auto-generated method stub
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217 return null;
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218 }
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219
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220 @Override
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221 public CiConstant invoke(RiMethod method, CiMethodInvokeArguments args) {
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222 // TODO Auto-generated method stub
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223 return null;
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224 }
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225
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226 @Override
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227 public CiConstant foldWordOperation(int opcode, CiMethodInvokeArguments args) {
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228 // TODO Auto-generated method stub
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229 return null;
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230 }
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231
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232 }