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annotate c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotMethodResolved.java @ 1437:9e5e83ca2259

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Enabled -C1X:OPTIONS when running HotSpot/C1X. Enabled checkstyle for the HotSpotVM Java project.
author Thomas Wuerthinger <wuerthinger@ssw.jku.at>
date Mon, 25 Oct 2010 16:47:52 +0200
parents 20a3896518ac
children d0c8d3a2a7e8
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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.lang.reflect.*;
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24
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25 import com.sun.cri.ri.*;
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26
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27 /**
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28 * Implementation of RiMethod for resolved HotSpot methods.
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29 *
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30 * @author Thomas Wuerthinger, Lukas Stadler
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31 */
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32 public class HotSpotMethodResolved implements HotSpotMethod {
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33
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34 private final long vmId;
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35 private final String name;
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36
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37 // cached values
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38 private byte[] code;
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39 private int accessFlags = -1;
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40 private int maxLocals = -1;
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41 private int maxStackSize = -1;
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42 private RiExceptionHandler[] exceptionHandlers;
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43 private RiSignature signature;
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44 private RiType holder;
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45 private Boolean hasBalancedMonitors;
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46
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47 public HotSpotMethodResolved(long vmId, String name) {
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48 this.vmId = vmId;
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49 this.name = name;
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50 }
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51
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52 @Override
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53 public int accessFlags() {
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54 if (accessFlags == -1) {
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55 accessFlags = Compiler.getVMEntries().RiMethod_accessFlags(vmId);
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56 }
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57 return accessFlags;
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58 }
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59
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60 @Override
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61 public boolean canBeStaticallyBound() {
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62 return isLeafMethod() || Modifier.isStatic(accessFlags());
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63 }
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64
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65 @Override
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66 public byte[] code() {
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67 if (code == null) {
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68 code = Compiler.getVMEntries().RiMethod_code(vmId);
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69 }
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70 return code;
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71 }
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72
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73 @Override
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74 public RiExceptionHandler[] exceptionHandlers() {
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75 if (exceptionHandlers == null) {
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76 exceptionHandlers = Compiler.getVMEntries().RiMethod_exceptionHandlers(vmId);
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77 }
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78 return exceptionHandlers;
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79 }
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80
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81 @Override
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82 public boolean hasBalancedMonitors() {
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83 if (hasBalancedMonitors == null) {
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84 hasBalancedMonitors = Compiler.getVMEntries().RiMethod_hasBalancedMonitors(vmId);
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85 }
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86 return hasBalancedMonitors;
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87 }
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88
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89 @Override
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90 public RiType holder() {
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91 if (holder == null) {
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92 holder = Compiler.getVMEntries().RiMethod_holder(vmId);
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93 }
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94 return holder;
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95 }
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96
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97 @Override
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98 public boolean isClassInitializer() {
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99 return "<clinit>".equals(name);
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100 }
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101
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102 @Override
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103 public boolean isConstructor() {
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104 return "<init>".equals(name);
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105 }
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106
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107 @Override
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108 public boolean isLeafMethod() {
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109 return Modifier.isFinal(accessFlags()) || Modifier.isPrivate(accessFlags());
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110 }
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111
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112 @Override
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113 public boolean isOverridden() {
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114 throw new UnsupportedOperationException("isOverridden");
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115 }
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116
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117 @Override
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118 public boolean isResolved() {
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119 return true;
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120 }
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121
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122 @Override
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123 public String jniSymbol() {
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124 throw new UnsupportedOperationException("jniSymbol");
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125 }
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126
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127 @Override
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128 public Object liveness(int bci) {
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129 return null;
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130 }
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131
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132 @Override
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133 public int maxLocals() {
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134 if (maxLocals == -1) {
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135 maxLocals = Compiler.getVMEntries().RiMethod_maxLocals(vmId);
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136 }
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137 return maxLocals;
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138 }
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139
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140 @Override
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141 public int maxStackSize() {
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142 if (maxStackSize == -1) {
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143 maxStackSize = Compiler.getVMEntries().RiMethod_maxStackSize(vmId);
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144 }
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145 return maxStackSize;
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146 }
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147
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148 @Override
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149 public RiMethodProfile methodData() {
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150 return null;
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151 }
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152
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153 @Override
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154 public String name() {
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155 return name;
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156 }
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157
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158 @Override
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159 public RiSignature signature() {
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160 if (signature == null) {
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161 signature = new HotSpotSignature(Compiler.getVMEntries().RiMethod_signature(vmId));
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162 }
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163 return signature;
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164 }
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165
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166 @Override
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167 public String toString() {
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168 return "HotSpotMethod<" + name + ">";
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169 }
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170
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171 @Override
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172 public Class<?> accessor() {
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173 // TODO Auto-generated method stub
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174 return null;
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175 }
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176
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177 @Override
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178 public int intrinsic() {
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179 // TODO Auto-generated method stub
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180 return 0;
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181 }
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182
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183 }