Mercurial > hg > graal-jvmci-8
annotate c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotTypeUnresolved.java @ 1433:efba53f86c4f
various fixes and enhancements
* correct refmap->oopmap conversion (register numbering, stack slot numbering)
* fixes for inlining (correct scoping in exception handler lookup, NPE in scope conversion)
* support for "jump to runtime stub" (patching code needs to be aware of jmp instruction)
* provide more information about methods (to allow inlining: has_balanced_monitors, etc.)
* fixes to signature type lookup
* isSubTypeOf: correct handling of array classes
* RiType: componentType/arrayOf
* prologue: inline cache check, icmiss stub
* klass state check (resolved but not initialized) in newinstance
* card table write barriers
* c1x classes are optional (to allow running c1 without them)
* correct for stored frame pointer in calling conventions (methods with arguments on stack)
* getType(Class<?>) for some basic types, used for optimizations and folding
* RiMethod/RiType: throw exception instead of silent failure on unsupported operations
* RiType: resolved/unresolved array type support
* refactoring: new on-demand template generation mechanism
* optimizations: template specialization for no_null_check, given length, etc.
author | Lukas Stadler <lukas.stadler@oracle.com> |
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date | Thu, 16 Sep 2010 19:42:20 -0700 |
parents | abc670a709dc |
children | 9e5e83ca2259 |
rev | line source |
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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.ci.*; |
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21 import com.sun.cri.ri.*; |
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22 |
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23 /** |
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24 * Implementation of RiType for unresolved HotSpot classes. |
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25 * |
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26 * @author Thomas Wuerthinger, Lukas Stadler |
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27 */ |
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28 public class HotSpotTypeUnresolved implements HotSpotType { |
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29 |
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30 public final String name; |
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31 public final int dimensions; |
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32 private final long accessingClassVmId; |
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33 |
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34 /** |
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35 * Creates a new unresolved type for a specified type descriptor. |
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36 */ |
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37 public HotSpotTypeUnresolved(String name, long accessingClassVmId) { |
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38 this.name = name; |
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39 this.dimensions = 0; |
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40 this.accessingClassVmId = accessingClassVmId; |
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41 } |
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42 |
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43 public HotSpotTypeUnresolved(String name, int dimensions, long accessingClassVmId) { |
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44 this.name = name; |
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45 this.dimensions = dimensions; |
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46 this.accessingClassVmId = accessingClassVmId; |
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47 } |
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48 |
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49 @Override |
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50 public String name() { |
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51 StringBuilder str = new StringBuilder(); |
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52 for (int i = 0; i < dimensions; i++) { |
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53 str.append('['); |
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54 } |
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55 str.append('L').append(name).append(';'); |
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56 return str.toString(); |
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57 } |
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58 |
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59 @Override |
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60 public String simpleName() { |
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61 return name; |
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62 } |
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63 |
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64 @Override |
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65 public Class<?> javaClass() { |
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66 throw unresolved("javaClass"); |
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67 } |
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68 |
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69 @Override |
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70 public boolean hasSubclass() { |
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71 throw unresolved("hasSubclass()"); |
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72 } |
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73 |
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74 @Override |
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75 public boolean hasFinalizer() { |
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76 throw unresolved("hasFinalizer()"); |
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77 } |
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78 |
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79 @Override |
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80 public boolean hasFinalizableSubclass() { |
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81 throw unresolved("hasFinalizableSubclass()"); |
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82 } |
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83 |
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84 @Override |
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85 public boolean isInterface() { |
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86 throw unresolved("isInterface()"); |
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87 } |
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88 |
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89 @Override |
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90 public boolean isArrayClass() { |
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91 return dimensions > 0; |
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92 } |
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93 |
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94 @Override |
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95 public boolean isInstanceClass() { |
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96 throw unresolved("isInstanceClass()"); |
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97 } |
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98 |
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99 @Override |
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100 public int accessFlags() { |
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101 throw unresolved("accessFlags()"); |
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102 } |
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103 |
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104 @Override |
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105 public boolean isResolved() { |
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106 return false; |
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107 } |
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108 |
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109 @Override |
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110 public boolean isInitialized() { |
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111 throw unresolved("isInitialized()"); |
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112 } |
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113 |
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114 @Override |
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115 public boolean isSubtypeOf(RiType other) { |
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116 throw unresolved("isSubtypeOf()"); |
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117 } |
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118 |
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119 @Override |
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120 public boolean isInstance(Object obj) { |
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121 throw unresolved("isInstance()"); |
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122 } |
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123 |
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124 @Override |
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125 public RiType componentType() { |
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126 // TODO: Implement |
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127 throw new UnsupportedOperationException(); |
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128 } |
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129 |
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130 @Override |
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131 public RiType exactType() { |
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132 throw unresolved("exactType()"); |
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133 } |
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134 |
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135 @Override |
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136 public RiType arrayOf() { |
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137 return new HotSpotTypeUnresolved(name, dimensions + 1, accessingClassVmId); |
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138 } |
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139 |
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140 @Override |
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141 public RiMethod resolveMethodImpl(RiMethod method) { |
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142 throw unresolved("resolveMethodImpl()"); |
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143 } |
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144 |
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145 @Override |
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146 public CiKind kind() { |
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147 return CiKind.Object; |
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148 } |
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149 |
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150 private CiUnresolvedException unresolved(String operation) { |
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151 throw new CiUnresolvedException(operation + " not defined for unresolved class " + name); |
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152 } |
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153 |
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154 @Override |
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155 public int hashCode() { |
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156 return name.hashCode(); |
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157 } |
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158 |
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159 @Override |
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160 public boolean equals(Object o) { |
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161 return o == this; |
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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 "HotSpotType<" + name + ", unresolved>"; |
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167 } |
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168 |
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169 @Override |
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170 public CiConstant getEncoding(RiType.Representation r) { |
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171 throw unresolved("getEncoding()"); |
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172 } |
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173 |
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174 @Override |
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175 public CiKind getRepresentationKind(RiType.Representation r) { |
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176 // TODO: Check if this is correct. |
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177 return CiKind.Object; |
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178 } |
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179 |
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180 } |