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annotate c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotMethodUnresolved.java @ 1433:efba53f86c4f

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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>
date Thu, 16 Sep 2010 19:42:20 -0700
parents abc670a709dc
children 20a3896518ac
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rev   line source
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.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 RiMethod for unresolved HotSpot methods.
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25 *
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26 * @author Lukas Stadler
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27 */
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28 public class HotSpotMethodUnresolved implements HotSpotMethod {
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29 private final String name;
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30 private final RiType holder;
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31 private final RiSignature signature;
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32
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33 public HotSpotMethodUnresolved(String name, String signature, RiType holder) {
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34 this.name = name;
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35 this.holder = holder;
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36 this.signature = new HotSpotSignature(signature);
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37 }
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38
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39 @Override
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40 public String name() {
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41 return name;
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42 }
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43
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44 @Override
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45 public RiType holder() {
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46 return holder;
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47 }
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48
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49 @Override
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50 public RiSignature signature() {
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51 return signature;
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52 }
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53
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54 @Override
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55 public boolean isResolved() {
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56 return false;
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57 }
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58
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59 @Override
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60 public byte[] code() {
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61 throw unresolved("code");
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62 }
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63
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64 @Override
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65 public RiMethodProfile methodData() {
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66 throw unresolved("methodData");
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67 }
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68
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69 @Override
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70 public String jniSymbol() {
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71 throw unresolved("jniSymbol");
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72 }
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73
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74 @Override
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75 public int maxLocals() {
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76 throw unresolved("maxLocals");
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77 }
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78
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79 @Override
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80 public int maxStackSize() {
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81 throw unresolved("maxStackSize");
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82 }
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83
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84 @Override
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85 public boolean hasBalancedMonitors() {
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86 throw unresolved("hasBalancedMonitors");
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87 }
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88
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89 @Override
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90 public int accessFlags() {
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91 throw unresolved("accessFlags");
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92 }
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93
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94 @Override
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95 public boolean isLeafMethod() {
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96 throw unresolved("isLeafMethod");
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97 }
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98
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99 @Override
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100 public boolean isClassInitializer() {
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101 return "<clinit>".equals(name);
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102 }
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103
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104 @Override
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105 public boolean isConstructor() {
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106 return "<init>".equals(name);
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107 }
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108
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109 @Override
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110 public boolean isOverridden() {
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111 throw unresolved("isOverridden");
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112 }
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113
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114 @Override
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115 public Object liveness(int bci) {
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116 throw unresolved("liveness");
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117 }
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118
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119 @Override
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120 public boolean canBeStaticallyBound() {
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121 throw unresolved("canBeStaticallyBound");
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122 }
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123
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124 @Override
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125 public RiExceptionHandler[] exceptionHandlers() {
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126 throw unresolved("exceptionHandlers");
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127 }
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128
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129 private CiUnresolvedException unresolved(String operation) {
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130 return new CiUnresolvedException(operation + " not defined for unresolved method " + name);
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131 }
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132
1433
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133 @Override
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134 public String toString() {
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135 return "HotSpotMethod<" + name + ", unresolved>";
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136 }
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137
1429
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138 }