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annotate c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotMethodResolved.java @ 1429:abc670a709dc

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* -XX:TraceC1X=0...5 controls the native c1x tracing * -Dc1x.debug=true turns on the logging proxies and lots of log output on the java side * provide more information about types to the compiler (type hierarchy, etc) * provide exception handler tables to the compiler * add exception handlers to the nmethod * correct implementation of ExceptionObject * exception handling/unwinding entry points * modified versions of handle/unwind exception stubs using standard calling conventions * exception throwing * implicit null pointer exception, implicit div by 0 exception * arraystore/classcast/arrayindex exceptions * checkcast implementation * newarray, anewarray, multinewarray implementation * correct new instance initialization * access to java class mirrors (for ldc) * unresolved methods * class resolving - class patching (asssembly prototype copying)
author Lukas Stadler <lukas.stadler@oracle.com>
date Tue, 31 Aug 2010 22:13:30 -0700
parents
children efba53f86c4f
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1429
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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 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 com.sun.cri.ri.*;
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21
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22 /**
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23 * Implementation of RiMethod for resolved HotSpot methods.
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24 *
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25 * @author Thomas Wuerthinger, Lukas Stadler
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26 */
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27 public class HotSpotMethodResolved implements HotSpotMethod {
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28
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29 private final long vmId;
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30 private final String name;
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31
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32 // cached values
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33 private byte[] code;
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34 private int accessFlags = -1;
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35 private int maxLocals = -1;
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36 private int maxStackSize = -1;
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37 private RiExceptionHandler[] exceptionHandlers;
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38 private RiSignature signature;
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39 private RiType holder;
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40
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41 public HotSpotMethodResolved(long vmId, String name) {
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42 this.vmId = vmId;
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43 this.name = name;
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44 }
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45
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46 @Override
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47 public int accessFlags() {
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48 if (accessFlags == -1) {
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49 accessFlags = Compiler.getVMEntries().RiMethod_accessFlags(vmId);
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50 }
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51 return accessFlags;
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52 }
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53
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54 @Override
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55 public boolean canBeStaticallyBound() {
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56 // TODO Auto-generated method stub
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57 return false;
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58 }
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59
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60 @Override
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61 public byte[] code() {
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62 if (code == null) {
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63 code = Compiler.getVMEntries().RiMethod_code(vmId);
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64 }
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65 return code;
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66 }
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67
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68 @Override
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69 public RiExceptionHandler[] exceptionHandlers() {
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70 if (exceptionHandlers == null) {
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71 exceptionHandlers = Compiler.getVMEntries().RiMethod_exceptionHandlers(vmId);
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72 }
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73 return exceptionHandlers;
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74 }
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75
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76 @Override
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77 public boolean hasBalancedMonitors() {
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78 // TODO Auto-generated method stub
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79 return false;
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80 }
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81
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82 @Override
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83 public RiType holder() {
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84 if (holder == null ) {
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85 holder = Compiler.getVMEntries().RiMethod_holder(vmId);
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86 }
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87 return holder;
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88 }
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89
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90 @Override
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91 public boolean isClassInitializer() {
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92 return "<clinit>".equals(name);
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93 }
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94
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95 @Override
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96 public boolean isConstructor() {
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97 return "<init>".equals(name);
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98 }
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99
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100 @Override
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101 public boolean isLeafMethod() {
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102 // TODO Auto-generated method stub
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103 return false;
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104 }
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105
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106 @Override
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107 public boolean isOverridden() {
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108 // TODO Auto-generated method stub
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109 return false;
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110 }
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111
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112 @Override
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113 public boolean isResolved() {
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114 return true;
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115 }
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116
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117 @Override
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118 public String jniSymbol() {
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119 // TODO Auto-generated method stub
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120 return null;
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121 }
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122
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123 @Override
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124 public Object liveness(int bci) {
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125 // TODO Auto-generated method stub
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126 return null;
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127 }
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128
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129 @Override
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130 public int maxLocals() {
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131 if (maxLocals == -1) {
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132 maxLocals = Compiler.getVMEntries().RiMethod_maxLocals(vmId);
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133 }
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134 return maxLocals;
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135 }
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136
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137 @Override
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138 public int maxStackSize() {
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139 if (maxStackSize == -1) {
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140 maxStackSize = Compiler.getVMEntries().RiMethod_maxStackSize(vmId);
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141 }
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142 return maxStackSize;
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143 }
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144
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145 @Override
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146 public RiMethodProfile methodData() {
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147 // TODO Auto-generated method stub
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148 return null;
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149 }
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150
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151 @Override
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152 public String name() {
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153 return name;
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154 }
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155
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156 @Override
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157 public RiSignature signature() {
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158 if (signature == null) {
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159 signature = new HotSpotSignature(Compiler.getVMEntries().RiMethod_signature(vmId));
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160 }
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161 return signature;
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162 }
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163
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164 @Override
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165 public String toString() {
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166 return "HotSpotMethod<" + name + ">";
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167 }
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168
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169 }