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annotate c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotMethodResolved.java @ 1435:20a3896518ac

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Initial adjustments to make C1X4HotSpot compile and run with latest Maxine version.
author Thomas Wuerthinger <wuerthinger@ssw.jku.at>
date Fri, 22 Oct 2010 17:31:38 +0200
parents efba53f86c4f
children 9e5e83ca2259
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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 java.lang.reflect.*;
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21
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22 import com.sun.cri.ri.*;
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23
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24 /**
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25 * Implementation of RiMethod for resolved HotSpot methods.
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26 *
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27 * @author Thomas Wuerthinger, Lukas Stadler
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28 */
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29 public class HotSpotMethodResolved implements HotSpotMethod {
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30
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31 private final long vmId;
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32 private final String name;
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33
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34 // cached values
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35 private byte[] code;
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36 private int accessFlags = -1;
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37 private int maxLocals = -1;
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38 private int maxStackSize = -1;
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39 private RiExceptionHandler[] exceptionHandlers;
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40 private RiSignature signature;
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41 private RiType holder;
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42 private Boolean hasBalancedMonitors;
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43
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44 public HotSpotMethodResolved(long vmId, String name) {
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45 this.vmId = vmId;
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46 this.name = name;
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47 }
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48
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49 @Override
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50 public int accessFlags() {
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51 if (accessFlags == -1) {
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52 accessFlags = Compiler.getVMEntries().RiMethod_accessFlags(vmId);
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53 }
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54 return accessFlags;
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55 }
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56
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57 @Override
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58 public boolean canBeStaticallyBound() {
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59 return isLeafMethod() || Modifier.isStatic(accessFlags());
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60 }
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61
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62 @Override
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63 public byte[] code() {
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64 if (code == null) {
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65 code = Compiler.getVMEntries().RiMethod_code(vmId);
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66 }
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67 return code;
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68 }
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69
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70 @Override
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71 public RiExceptionHandler[] exceptionHandlers() {
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72 if (exceptionHandlers == null) {
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73 exceptionHandlers = Compiler.getVMEntries().RiMethod_exceptionHandlers(vmId);
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74 }
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75 return exceptionHandlers;
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76 }
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77
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78 @Override
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79 public boolean hasBalancedMonitors() {
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80 if (hasBalancedMonitors == null) {
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81 hasBalancedMonitors = Compiler.getVMEntries().RiMethod_hasBalancedMonitors(vmId);
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82 }
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83 return hasBalancedMonitors;
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84 }
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85
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86 @Override
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87 public RiType holder() {
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88 if (holder == null) {
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89 holder = Compiler.getVMEntries().RiMethod_holder(vmId);
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90 }
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91 return holder;
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92 }
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93
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94 @Override
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95 public boolean isClassInitializer() {
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96 return "<clinit>".equals(name);
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97 }
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98
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99 @Override
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100 public boolean isConstructor() {
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101 return "<init>".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 isLeafMethod() {
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106 return Modifier.isFinal(accessFlags()) || Modifier.isPrivate(accessFlags());
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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 new UnsupportedOperationException("isOverridden");
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112 }
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113
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114 @Override
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115 public boolean isResolved() {
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116 return true;
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117 }
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118
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119 @Override
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120 public String jniSymbol() {
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121 throw new UnsupportedOperationException("jniSymbol");
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122 }
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123
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124 @Override
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125 public Object liveness(int bci) {
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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 return null;
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148 }
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149
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150 @Override
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151 public String name() {
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152 return name;
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153 }
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154
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155 @Override
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156 public RiSignature signature() {
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157 if (signature == null) {
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158 signature = new HotSpotSignature(Compiler.getVMEntries().RiMethod_signature(vmId));
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159 }
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160 return signature;
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161 }
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162
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163 @Override
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164 public String toString() {
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165 return "HotSpotMethod<" + name + ">";
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166 }
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167
1435
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168 @Override
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169 public Class<?> accessor() {
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170 // TODO Auto-generated method stub
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171 return null;
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172 }
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173
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174 @Override
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175 public int intrinsic() {
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176 // TODO Auto-generated method stub
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177 return 0;
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178 }
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179
1429
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180 }