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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotResolvedJavaMethod.java @ 7483:729a79037bd5

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Fixes after merge with hs25-b15.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Wed, 16 Jan 2013 14:41:04 +0100
parents 79a7b761755c
children 5e3d1a68664e
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1 /*
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2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.graal.hotspot.meta;
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24
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25 import static com.oracle.graal.graph.FieldIntrospection.*;
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26 import static com.oracle.graal.hotspot.HotSpotGraalRuntime.*;
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27
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28 import java.lang.annotation.*;
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29 import java.lang.reflect.*;
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30 import java.util.*;
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31 import java.util.concurrent.*;
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32
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33 import com.oracle.graal.api.meta.*;
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34 import com.oracle.graal.api.meta.ProfilingInfo.ExceptionSeen;
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35 import com.oracle.graal.bytecode.*;
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36 import com.oracle.graal.hotspot.*;
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37 import com.oracle.graal.hotspot.debug.*;
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38 import com.oracle.graal.phases.*;
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39
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40 /**
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41 * Implementation of {@link JavaMethod} for resolved HotSpot methods.
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42 */
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43 public final class HotSpotResolvedJavaMethod extends HotSpotMethod implements ResolvedJavaMethod {
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44
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45 private static final long serialVersionUID = -5486975070147586588L;
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46
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47 /**
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48 * Reference to metaspace Method object.
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49 */
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50 final long metaspaceMethod;
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51
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52 private final HotSpotResolvedObjectType holder;
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53 private /*final*/ int codeSize;
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54 private /*final*/ int exceptionHandlerCount;
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55 private Signature signature;
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56 private Boolean hasBalancedMonitors;
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57 private Map<Object, Object> compilerStorage;
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58 private HotSpotMethodData methodData;
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59 private byte[] code;
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60 private int compilationComplexity;
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61
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62 private CompilationTask currentTask;
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63
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64 HotSpotResolvedJavaMethod(HotSpotResolvedObjectType holder, long metaspaceMethod) {
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65 this.metaspaceMethod = metaspaceMethod;
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66 this.holder = holder;
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67 HotSpotGraalRuntime.getInstance().getCompilerToVM().initializeMethod(metaspaceMethod, this);
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68 }
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69
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70 @Override
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71 public ResolvedJavaType getDeclaringClass() {
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72 return holder;
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73 }
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74
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75 @Override
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76 public int getModifiers() {
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77 HotSpotVMConfig config = HotSpotGraalRuntime.getInstance().getConfig();
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78 return unsafe.getInt(metaspaceMethod + config.methodAccessFlagsOffset) & Modifier.methodModifiers();
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79 }
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80
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81 @Override
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82 public boolean canBeStaticallyBound() {
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83 int modifiers = getModifiers();
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84 return (Modifier.isFinal(modifiers) || Modifier.isPrivate(modifiers) || Modifier.isStatic(modifiers)) && !Modifier.isAbstract(modifiers);
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85 }
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86
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87 @Override
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88 public byte[] getCode() {
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89 if (code == null) {
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90 code = HotSpotGraalRuntime.getInstance().getCompilerToVM().initializeBytecode(metaspaceMethod, new byte[codeSize]);
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91 assert code.length == codeSize : "expected: " + codeSize + ", actual: " + code.length;
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92 }
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93 return code;
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94 }
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95
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96 @Override
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97 public int getCodeSize() {
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98 return codeSize;
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99 }
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100
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101 @Override
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102 public ExceptionHandler[] getExceptionHandlers() {
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103 if (exceptionHandlerCount == 0) {
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104 return new ExceptionHandler[0];
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105 }
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106 ExceptionHandler[] handlers = new ExceptionHandler[exceptionHandlerCount];
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107 for (int i = 0; i < exceptionHandlerCount; i++) {
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108 handlers[i] = new ExceptionHandler(-1, -1, -1, -1, null);
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109 }
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110 return HotSpotGraalRuntime.getInstance().getCompilerToVM().initializeExceptionHandlers(metaspaceMethod, handlers);
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111 }
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112
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113 public boolean hasBalancedMonitors() {
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114 if (hasBalancedMonitors == null) {
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115 hasBalancedMonitors = HotSpotGraalRuntime.getInstance().getCompilerToVM().hasBalancedMonitors(metaspaceMethod);
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116 }
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117 return hasBalancedMonitors;
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118 }
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119
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120 @Override
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121 public boolean isClassInitializer() {
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122 return "<clinit>".equals(name) && Modifier.isStatic(getModifiers());
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123 }
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124
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125 @Override
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126 public boolean isConstructor() {
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127 return "<init>".equals(name) && !Modifier.isStatic(getModifiers());
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128 }
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129
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130 @Override
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131 public int getMaxLocals() {
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132 HotSpotVMConfig config = HotSpotGraalRuntime.getInstance().getConfig();
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133 long metaspaceConstMethod = unsafe.getLong(metaspaceMethod + config.methodConstMethodOffset);
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134 return unsafe.getShort(metaspaceConstMethod + config.methodMaxLocalsOffset) & 0xFFFF;
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135 }
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136
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137 @Override
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138 public int getMaxStackSize() {
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139 HotSpotVMConfig config = HotSpotGraalRuntime.getInstance().getConfig();
7212
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140 long metaspaceConstMethod = unsafe.getLong(metaspaceMethod + config.methodConstMethodOffset);
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141 return config.extraStackEntries + (unsafe.getShort(metaspaceConstMethod + config.constMethodMaxStackOffset) & 0xFFFF);
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142 }
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143
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144 @Override
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145 public StackTraceElement asStackTraceElement(int bci) {
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146 if (bci < 0 || bci >= codeSize) {
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147 // HotSpot code can only construct stack trace elements for valid bcis
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148 StackTraceElement ste = HotSpotGraalRuntime.getInstance().getCompilerToVM().getStackTraceElement(metaspaceMethod, 0);
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149 return new StackTraceElement(ste.getClassName(), ste.getMethodName(), ste.getFileName(), -1);
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150 }
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151 return HotSpotGraalRuntime.getInstance().getCompilerToVM().getStackTraceElement(metaspaceMethod, bci);
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152 }
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153
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154 public ResolvedJavaMethod uniqueConcreteMethod() {
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155 HotSpotResolvedObjectType[] resultHolder = {null};
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156 long ucm = HotSpotGraalRuntime.getInstance().getCompilerToVM().getUniqueConcreteMethod(metaspaceMethod, resultHolder);
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157 if (ucm != 0L) {
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158 assert resultHolder[0] != null;
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159 return resultHolder[0].createMethod(ucm);
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160 }
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161 return null;
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162 }
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163
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164 @Override
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165 public Signature getSignature() {
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166 if (signature == null) {
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167 signature = new HotSpotSignature(HotSpotGraalRuntime.getInstance().getCompilerToVM().getSignature(metaspaceMethod));
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168 }
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169 return signature;
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170 }
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171
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172 @Override
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173 public String toString() {
5719
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174 return "HotSpotMethod<" + MetaUtil.format("%h.%n", this) + ">";
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175 }
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176
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177 public int getCompiledCodeSize() {
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178 return HotSpotGraalRuntime.getInstance().getCompilerToVM().getCompiledCodeSize(metaspaceMethod);
4528
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179 }
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180
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181 public int invocationCount() {
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182 return HotSpotGraalRuntime.getInstance().getCompilerToVM().getInvocationCount(metaspaceMethod);
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183 }
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184
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185 @Override
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186 public int getCompilationComplexity() {
2463eb24b644 Cleanup of Graal API: Rename methods so that it follows the getXxx naming convention and so that they are similar to the names of the java.lang.reflect classes. Remove unused methods.
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diff changeset
187 if (compilationComplexity <= 0 && getCodeSize() > 0) {
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188 BytecodeStream s = new BytecodeStream(getCode());
4594
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diff changeset
189 int result = 0;
eb6df44a1374 bugfixes, added bytecode complexity estimation
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diff changeset
190 int currentBC;
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diff changeset
191 while ((currentBC = s.currentBC()) != Bytecodes.END) {
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diff changeset
192 result += Bytecodes.compilationComplexity(currentBC);
4597
8bc6f680a88d fixed visual studio project files
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diff changeset
193 s.next();
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194 }
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diff changeset
195 assert result > 0;
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diff changeset
196 compilationComplexity = result;
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diff changeset
197 }
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diff changeset
198 return compilationComplexity;
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diff changeset
199 }
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200
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201 @Override
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202 public ProfilingInfo getProfilingInfo() {
5722
cdc3c0776f9f removed mechanism for persisting profile information
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parents: 5721
diff changeset
203 ProfilingInfo info;
5346
4c3d953f8131 added mechanism (enabled by -G:PICache and -G:PiFilter) for saving/loading method profiling info to/from disk
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204
5105
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 5067
diff changeset
205 if (GraalOptions.UseProfilingInformation && methodData == null) {
7037
dd81042f4eb1 added unit tests for ResolvedJavaType
Doug Simon <doug.simon@oracle.com>
parents: 7014
diff changeset
206 long metaspaceMethodData = unsafeReadWord(metaspaceMethod + HotSpotGraalRuntime.getInstance().getConfig().methodDataOffset);
6950
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diff changeset
207 if (metaspaceMethodData != 0) {
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
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diff changeset
208 methodData = new HotSpotMethodData(metaspaceMethodData);
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209 }
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diff changeset
210 }
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211
5346
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parents: 5344
diff changeset
212 if (methodData == null || (!methodData.hasNormalData() && !methodData.hasExtraData())) {
5105
95b8a32a7cc3 preparations to avoid endless recompilations because of not updated profiling information
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5067
diff changeset
213 // Be optimistic and return false for exceptionSeen. A methodDataOop is allocated in case of a deoptimization.
5721
0b517fac113e renamed BaseProfilingInfo to DefaultProfilingInfo and moved it to com.oracle.graal.api.meta
Doug Simon <doug.simon@oracle.com>
parents: 5719
diff changeset
214 info = DefaultProfilingInfo.get(ExceptionSeen.FALSE);
4446
48756b901156 bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4444
diff changeset
215 } else {
5530
9da759562a42 Remove compiler member field from HotSpot's implementation of the Ri* interfaces.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5510
diff changeset
216 info = new HotSpotProfilingInfo(methodData, codeSize);
4446
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parents: 4444
diff changeset
217 }
5346
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diff changeset
218 return info;
3733
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219 }
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220
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diff changeset
221 @Override
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diff changeset
222 public Map<Object, Object> getCompilerStorage() {
3733
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parents:
diff changeset
223 if (compilerStorage == null) {
4142
bc8527f3071c Adjust code base to new level of warnings.
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parents: 3733
diff changeset
224 compilerStorage = new ConcurrentHashMap<>();
3733
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225 }
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diff changeset
226 return compilerStorage;
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227 }
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228
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229 @Override
5541
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5536
diff changeset
230 public ConstantPool getConstantPool() {
7084
9ba90252ce08 HotSpotResolvedJavaType is now the HotSpot implementation of ResolvedJavaType,
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 7083
diff changeset
231 return ((HotSpotResolvedObjectType) getDeclaringClass()).constantPool();
3733
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diff changeset
232 }
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parents:
diff changeset
233
5039
f3d2447db2d9 added detection for endless recompilation
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parents: 5003
diff changeset
234 @Override
3733
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diff changeset
235 public Annotation[][] getParameterAnnotations() {
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parents:
diff changeset
236 if (isConstructor()) {
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diff changeset
237 Constructor javaConstructor = toJavaConstructor();
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parents:
diff changeset
238 return javaConstructor == null ? null : javaConstructor.getParameterAnnotations();
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diff changeset
239 }
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parents:
diff changeset
240 Method javaMethod = toJava();
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parents:
diff changeset
241 return javaMethod == null ? null : javaMethod.getParameterAnnotations();
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parents:
diff changeset
242 }
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parents:
diff changeset
243
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diff changeset
244 @Override
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diff changeset
245 public <T extends Annotation> T getAnnotation(Class<T> annotationClass) {
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parents:
diff changeset
246 if (isConstructor()) {
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parents:
diff changeset
247 Constructor<?> javaConstructor = toJavaConstructor();
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diff changeset
248 return javaConstructor == null ? null : javaConstructor.getAnnotation(annotationClass);
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diff changeset
249 }
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diff changeset
250 Method javaMethod = toJava();
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diff changeset
251 return javaMethod == null ? null : javaMethod.getAnnotation(annotationClass);
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diff changeset
252 }
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253
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parents:
diff changeset
254 @Override
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parents:
diff changeset
255 public Type[] getGenericParameterTypes() {
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parents:
diff changeset
256 if (isConstructor()) {
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diff changeset
257 Constructor javaConstructor = toJavaConstructor();
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258 return javaConstructor == null ? null : javaConstructor.getGenericParameterTypes();
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259 }
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260 Method javaMethod = toJava();
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261 return javaMethod == null ? null : javaMethod.getGenericParameterTypes();
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262 }
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263
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264 public Class<?>[] signatureToTypes() {
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265 Signature sig = getSignature();
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266 int count = sig.getParameterCount(false);
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267 Class< ? >[] result = new Class< ? >[count];
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268 for (int i = 0; i < result.length; ++i) {
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9ba90252ce08 HotSpotResolvedJavaType is now the HotSpot implementation of ResolvedJavaType,
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269 result[i] = ((HotSpotResolvedJavaType) sig.getParameterType(i, holder).resolve(holder)).mirror();
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270 }
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271 return result;
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272 }
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273
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274 private Method toJava() {
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275 try {
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276 return holder.mirror().getDeclaredMethod(name, signatureToTypes());
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277 } catch (NoSuchMethodException e) {
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278 return null;
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279 }
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280 }
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281
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282 private Constructor toJavaConstructor() {
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283 try {
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284 return holder.mirror().getDeclaredConstructor(signatureToTypes());
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285 } catch (NoSuchMethodException e) {
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286 return null;
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287 }
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288 }
4296
d089b71a5237 Add possibility to disable inlining for specific methods.
Andreas Woess <andreas.woess@jku.at>
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289
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290 @Override
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291 public boolean canBeInlined() {
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292 return HotSpotGraalRuntime.getInstance().getCompilerToVM().isMethodCompilable(metaspaceMethod);
4319
3c21eee8ab4d Add installMethodCallback() to HotSpotRuntime.
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293 }
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294
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295 @Override
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296 public LineNumberTable getLineNumberTable() {
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297 long[] values = HotSpotGraalRuntime.getInstance().getCompilerToVM().getLineNumberTable(this);
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diff changeset
298 assert values.length % 2 == 0;
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diff changeset
299 int[] bci = new int[values.length / 2];
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diff changeset
300 int[] line = new int[values.length / 2];
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diff changeset
301
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diff changeset
302 for (int i = 0; i < values.length / 2; i++) {
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diff changeset
303 bci[i] = (int) values[i * 2];
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diff changeset
304 line[i] = (int) values[i * 2 + 1];
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305 }
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diff changeset
306
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diff changeset
307 return new LineNumberTableImpl(line, bci);
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diff changeset
308 }
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diff changeset
309
6379
ad97777056ec Checks on vtableEntryOffset to avoid calling to the VM if the holder is not initialized
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diff changeset
310 /**
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diff changeset
311 * Returns the offset of this method into the v-table.
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diff changeset
312 * If the holder is not initialized, returns -1
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diff changeset
313 * @return the offset of this method into the v-table
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Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5775
diff changeset
314 */
5000
b5dc2403c1e7 add option to inline VTable stubs
Lukas Stadler <lukas.stadler@jku.at>
parents: 4600
diff changeset
315 public int vtableEntryOffset() {
6379
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parents: 5775
diff changeset
316 if (!holder.isInitialized()) {
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parents: 5775
diff changeset
317 return -1;
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parents: 5775
diff changeset
318 }
6950
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diff changeset
319 return HotSpotGraalRuntime.getInstance().getCompilerToVM().getVtableEntryOffset(metaspaceMethod);
5000
b5dc2403c1e7 add option to inline VTable stubs
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parents: 4600
diff changeset
320 }
5176
af59b4dfc9e4 compilation queue changes:
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parents: 5115
diff changeset
321
af59b4dfc9e4 compilation queue changes:
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diff changeset
322 public void setCurrentTask(CompilationTask task) {
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parents: 5115
diff changeset
323 currentTask = task;
af59b4dfc9e4 compilation queue changes:
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parents: 5115
diff changeset
324 }
af59b4dfc9e4 compilation queue changes:
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parents: 5115
diff changeset
325
af59b4dfc9e4 compilation queue changes:
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parents: 5115
diff changeset
326 public CompilationTask currentTask() {
af59b4dfc9e4 compilation queue changes:
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parents: 5115
diff changeset
327 return currentTask;
af59b4dfc9e4 compilation queue changes:
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parents: 5115
diff changeset
328 }
7310
79a7b761755c Added getLineNumberTable and getFileName capabilities.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7212
diff changeset
329
3733
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parents:
diff changeset
330 }