Mercurial > hg > graal-jvmci-8
annotate jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl.java @ 23710:927a39cd7ddd
Use ClassValue instead of WeakHashMap to track ResolvedJavaTypes
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
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date | Tue, 21 Jun 2016 14:36:31 -0700 |
parents | 9ac04c6047c8 |
children | 2e17c65dddd7 |
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1 /* |
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2 * Copyright (c) 2011, 2016, 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 jdk.vm.ci.hotspot; |
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24 |
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25 import static java.util.Objects.requireNonNull; |
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26 import static jdk.vm.ci.hotspot.CompilerToVM.compilerToVM; |
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27 import static jdk.vm.ci.hotspot.HotSpotJVMCIRuntime.runtime; |
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28 import static jdk.vm.ci.hotspot.HotSpotVMConfig.config; |
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29 import static jdk.vm.ci.hotspot.UnsafeAccess.UNSAFE; |
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30 |
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31 import java.lang.annotation.Annotation; |
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32 import java.lang.reflect.Array; |
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33 import java.lang.reflect.Constructor; |
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34 import java.lang.reflect.Method; |
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35 import java.lang.reflect.Modifier; |
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36 import java.nio.ByteOrder; |
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37 import java.util.ArrayList; |
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38 import java.util.Arrays; |
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39 import java.util.HashMap; |
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40 |
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41 import jdk.vm.ci.common.JVMCIError; |
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42 import jdk.vm.ci.meta.Assumptions.AssumptionResult; |
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43 import jdk.vm.ci.meta.Assumptions.ConcreteMethod; |
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44 import jdk.vm.ci.meta.Assumptions.ConcreteSubtype; |
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45 import jdk.vm.ci.meta.Assumptions.LeafType; |
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46 import jdk.vm.ci.meta.Assumptions.NoFinalizableSubclass; |
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47 import jdk.vm.ci.meta.Constant; |
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48 import jdk.vm.ci.meta.JavaConstant; |
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49 import jdk.vm.ci.meta.JavaKind; |
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50 import jdk.vm.ci.meta.JavaType; |
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51 import jdk.vm.ci.meta.ModifiersProvider; |
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52 import jdk.vm.ci.meta.ResolvedJavaField; |
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53 import jdk.vm.ci.meta.ResolvedJavaMethod; |
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54 import jdk.vm.ci.meta.ResolvedJavaType; |
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55 |
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56 /** |
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57 * Implementation of {@link JavaType} for resolved non-primitive HotSpot classes. |
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58 */ |
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59 final class HotSpotResolvedObjectTypeImpl extends HotSpotResolvedJavaType implements HotSpotResolvedObjectType, MetaspaceWrapperObject { |
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60 |
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61 /** |
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62 * The Java class this type represents. |
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63 */ |
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64 private final Class<?> javaClass; |
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66 private HashMap<Long, HotSpotResolvedJavaMethodImpl> methodCache; |
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67 private HotSpotResolvedJavaField[] instanceFields; |
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68 private HotSpotResolvedObjectTypeImpl[] interfaces; |
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69 private HotSpotConstantPool constantPool; |
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70 final HotSpotJVMCIMetaAccessContext context; |
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71 private HotSpotResolvedObjectType arrayOfType; |
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72 |
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73 /** |
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74 * Gets the JVMCI mirror for a {@link Class} object. |
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75 * |
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76 * @return the {@link HotSpotResolvedJavaType} corresponding to {@code javaClass} |
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77 */ |
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78 static HotSpotResolvedObjectTypeImpl fromObjectClass(Class<?> javaClass) { |
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79 return (HotSpotResolvedObjectTypeImpl) runtime().fromClass(javaClass); |
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80 } |
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81 |
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82 /** |
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83 * Gets the JVMCI mirror from a HotSpot type. Since {@link Class} is already a proxy for the |
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84 * underlying Klass*, it is used instead of the raw Klass*. |
14980 | 85 * |
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86 * Called from the VM. |
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87 * |
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88 * @param javaClass a {@link Class} object |
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89 * @return the {@link ResolvedJavaType} corresponding to {@code javaClass} |
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90 */ |
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91 @SuppressWarnings("unused") |
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92 private static HotSpotResolvedObjectTypeImpl fromMetaspace(Class<?> javaClass) { |
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93 return fromObjectClass(javaClass); |
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94 } |
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95 |
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96 /** |
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97 * Creates the JVMCI mirror for a {@link Class} object. |
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99 * <p> |
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101 * {@link Class} type. Use {@link #fromObjectClass(Class)} or {@link #fromMetaspace(Class)} |
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102 * instead. |
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103 * </p> |
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105 * @param javaClass the Class to create the mirror for |
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106 * @param context |
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107 */ |
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108 HotSpotResolvedObjectTypeImpl(Class<?> javaClass, HotSpotJVMCIMetaAccessContext context) { |
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109 super(getSignatureName(javaClass)); |
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110 this.javaClass = javaClass; |
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111 this.context = context; |
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112 assert getName().charAt(0) != '[' || isArray() : getName(); |
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113 } |
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114 |
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115 /** |
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116 * Returns the name of this type as it would appear in a signature. |
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117 */ |
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118 private static String getSignatureName(Class<?> javaClass) { |
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119 if (javaClass.isArray()) { |
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120 return javaClass.getName().replace('.', '/'); |
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121 } |
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122 return "L" + javaClass.getName().replace('.', '/') + ";"; |
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123 } |
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124 |
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125 /** |
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126 * Gets the metaspace Klass for this type. |
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127 */ |
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128 long getMetaspaceKlass() { |
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129 if (HotSpotJVMCIRuntime.getHostWordKind() == JavaKind.Long) { |
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130 return UNSAFE.getLong(javaClass, (long) config().klassOffset); |
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131 } |
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132 return UNSAFE.getInt(javaClass, (long) config().klassOffset) & 0xFFFFFFFFL; |
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133 } |
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134 |
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135 @Override |
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136 public long getMetaspacePointer() { |
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137 return getMetaspaceKlass(); |
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138 } |
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139 |
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140 /** |
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141 * The Klass* for this object is kept alive by the direct reference to {@link #javaClass} so no |
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142 * extra work is required. |
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143 */ |
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144 @Override |
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145 public boolean isRegistered() { |
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146 return true; |
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147 } |
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148 |
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149 @Override |
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150 public int getModifiers() { |
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151 if (isArray()) { |
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152 return (getElementalType().getModifiers() & (Modifier.PUBLIC | Modifier.PRIVATE | Modifier.PROTECTED)) | Modifier.FINAL | Modifier.ABSTRACT; |
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153 } else { |
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154 return getAccessFlags() & ModifiersProvider.jvmClassModifiers(); |
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155 } |
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156 } |
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157 |
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158 public int getAccessFlags() { |
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159 HotSpotVMConfig config = config(); |
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160 return UNSAFE.getInt(getMetaspaceKlass() + config.klassAccessFlagsOffset); |
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161 } |
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162 |
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163 @Override |
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164 public HotSpotResolvedObjectType getArrayClass() { |
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165 if (arrayOfType == null) { |
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166 arrayOfType = fromObjectClass(Array.newInstance(mirror(), 0).getClass()); |
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167 } |
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168 return arrayOfType; |
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169 } |
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170 |
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171 @Override |
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172 public ResolvedJavaType getComponentType() { |
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173 Class<?> javaComponentType = mirror().getComponentType(); |
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174 return javaComponentType == null ? null : runtime().fromClass(javaComponentType); |
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175 } |
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176 |
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177 @Override |
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178 public AssumptionResult<ResolvedJavaType> findLeafConcreteSubtype() { |
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179 if (isLeaf()) { |
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180 // No assumptions are required. |
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181 return new AssumptionResult<>(this); |
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182 } |
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183 HotSpotVMConfig config = config(); |
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184 if (isArray()) { |
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185 ResolvedJavaType elementalType = getElementalType(); |
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186 AssumptionResult<ResolvedJavaType> elementType = elementalType.findLeafConcreteSubtype(); |
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187 if (elementType != null && elementType.getResult().equals(elementalType)) { |
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188 /* |
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189 * If the elementType is leaf then the array is leaf under the same assumptions but |
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190 * only if the element type is exactly the leaf type. The element type can be |
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191 * abstract even if there is only one implementor of the abstract type. |
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192 */ |
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193 AssumptionResult<ResolvedJavaType> result = new AssumptionResult<>(this); |
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194 result.add(elementType); |
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195 return result; |
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196 } |
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197 return null; |
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198 } else if (isInterface()) { |
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199 HotSpotResolvedObjectTypeImpl implementor = getSingleImplementor(); |
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200 /* |
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201 * If the implementor field contains itself that indicates that the interface has more |
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202 * than one implementors (see: InstanceKlass::add_implementor). |
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203 */ |
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204 if (implementor == null || implementor.equals(this)) { |
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205 return null; |
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206 } |
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207 |
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208 assert !implementor.isInterface(); |
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209 if (implementor.isAbstract() || !implementor.isLeafClass()) { |
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210 AssumptionResult<ResolvedJavaType> leafConcreteSubtype = implementor.findLeafConcreteSubtype(); |
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211 if (leafConcreteSubtype != null) { |
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212 assert !leafConcreteSubtype.getResult().equals(implementor); |
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213 AssumptionResult<ResolvedJavaType> newResult = new AssumptionResult<>(leafConcreteSubtype.getResult(), new ConcreteSubtype(this, implementor)); |
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214 // Accumulate leaf assumptions and return the combined result. |
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215 newResult.add(leafConcreteSubtype); |
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216 return newResult; |
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217 } |
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218 return null; |
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219 } |
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220 return concreteSubtype(implementor); |
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221 } else { |
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222 HotSpotResolvedObjectTypeImpl type = this; |
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223 while (type.isAbstract()) { |
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224 HotSpotResolvedObjectTypeImpl subklass = type.getSubklass(); |
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225 if (subklass == null || UNSAFE.getAddress(subklass.getMetaspaceKlass() + config.nextSiblingOffset) != 0) { |
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226 return null; |
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227 } |
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228 type = subklass; |
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229 } |
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230 if (type.isAbstract() || type.isInterface() || !type.isLeafClass()) { |
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231 return null; |
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232 } |
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233 if (this.isAbstract()) { |
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234 return concreteSubtype(type); |
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235 } else { |
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236 assert this.equals(type); |
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237 return new AssumptionResult<>(type, new LeafType(type)); |
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238 } |
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239 } |
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240 } |
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241 |
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242 private AssumptionResult<ResolvedJavaType> concreteSubtype(HotSpotResolvedObjectTypeImpl type) { |
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243 if (type.isLeaf()) { |
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244 return new AssumptionResult<>(type, new ConcreteSubtype(this, type)); |
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245 } else { |
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246 return new AssumptionResult<>(type, new LeafType(type), new ConcreteSubtype(this, type)); |
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247 } |
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248 } |
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249 |
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250 /** |
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251 * Returns if type {@code type} is a leaf class. This is the case if the |
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252 * {@code Klass::_subklass} field of the underlying class is zero. |
14980 | 253 * |
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254 * @return true if the type is a leaf class |
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255 */ |
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256 private boolean isLeafClass() { |
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257 return getSubklass() == null; |
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258 } |
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259 |
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260 /** |
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261 * Returns the {@code Klass::_subklass} field of the underlying metaspace klass for the given |
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262 * type {@code type}. |
14980 | 263 * |
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264 * @return value of the subklass field as metaspace klass pointer |
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265 */ |
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266 private HotSpotResolvedObjectTypeImpl getSubklass() { |
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267 return compilerToVM().getResolvedJavaType(this, config().subklassOffset, false); |
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268 } |
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269 |
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270 @Override |
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271 public HotSpotResolvedObjectTypeImpl getSuperclass() { |
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272 Class<?> javaSuperclass = mirror().getSuperclass(); |
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273 return javaSuperclass == null ? null : fromObjectClass(javaSuperclass); |
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274 } |
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275 |
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276 @Override |
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277 public HotSpotResolvedObjectTypeImpl[] getInterfaces() { |
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278 if (interfaces == null) { |
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279 Class<?>[] javaInterfaces = mirror().getInterfaces(); |
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280 HotSpotResolvedObjectTypeImpl[] result = new HotSpotResolvedObjectTypeImpl[javaInterfaces.length]; |
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281 for (int i = 0; i < javaInterfaces.length; i++) { |
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282 result[i] = fromObjectClass(javaInterfaces[i]); |
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283 } |
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284 interfaces = result; |
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285 } |
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286 return interfaces; |
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287 } |
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288 |
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289 @Override |
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290 public HotSpotResolvedObjectTypeImpl getSingleImplementor() { |
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291 if (!isInterface()) { |
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Backed out changeset: a920338dd4d4
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292 throw new JVMCIError("Cannot call getSingleImplementor() on a non-interface type: %s", this); |
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293 } |
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added CompilerToVM.compilerToVM() for static access to the CompilerToVM instance
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294 return compilerToVM().getImplementor(this); |
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295 } |
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296 |
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297 public HotSpotResolvedObjectTypeImpl getSupertype() { |
7060
06d5f450f32b
rename: ResolvedJavaType.isArrayClass() -> ResolvedJavaType.isArray()
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298 if (isArray()) { |
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|
299 ResolvedJavaType componentType = getComponentType(); |
14091
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simplified HotSpotResolvedObjectType.FieldInfo.getType(); encapsulated all access to javaClass in HotSpotResolvedObjectType more
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|
300 if (mirror() == Object[].class || componentType.isPrimitive()) { |
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301 return fromObjectClass(Object.class); |
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302 } |
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303 return (HotSpotResolvedObjectTypeImpl) ((HotSpotResolvedObjectTypeImpl) componentType).getSupertype().getArrayClass(); |
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304 } |
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|
305 if (isInterface()) { |
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306 return fromObjectClass(Object.class); |
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|
307 } |
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|
308 return getSuperclass(); |
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|
309 } |
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|
310 |
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311 @Override |
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|
312 public HotSpotResolvedObjectType findLeastCommonAncestor(ResolvedJavaType otherType) { |
7059
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removed ResolvedJavaType.toJava() and introduced ResolvedJavaType.isPrimitive()
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diff
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|
313 if (otherType.isPrimitive()) { |
4635
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fixed checkcast when inlining more than one method
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|
314 return null; |
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|
315 } else { |
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|
316 HotSpotResolvedObjectTypeImpl t1 = this; |
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|
317 HotSpotResolvedObjectTypeImpl t2 = (HotSpotResolvedObjectTypeImpl) otherType; |
7037
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|
318 while (true) { |
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applied mx eclipseformat to all Java files
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|
319 if (t1.isAssignableFrom(t2)) { |
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|
320 return t1; |
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321 } |
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|
322 if (t2.isAssignableFrom(t1)) { |
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|
323 return t2; |
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|
324 } |
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changeset
|
325 t1 = t1.getSupertype(); |
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|
326 t2 = t2.getSupertype(); |
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327 } |
4635
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fixed checkcast when inlining more than one method
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|
328 } |
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fixed checkcast when inlining more than one method
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|
329 } |
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|
330 |
f35c183f33ce
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|
331 @Override |
19800
3362ba500371
Connect required Assumptions with answer to CHA query
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|
332 public AssumptionResult<Boolean> hasFinalizableSubclass() { |
9126
bc26f978b0ce
HotSpotResolvedObjectType: implement hasFinalizeSubclass() correctly
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9100
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changeset
|
333 assert !isArray(); |
22582
232c53e17ea0
added CompilerToVM.compilerToVM() for static access to the CompilerToVM instance
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changeset
|
334 if (!compilerToVM().hasFinalizableSubclass(this)) { |
19801
deab43a789ad
Split LeafType off from ConcreteSubtype
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|
335 return new AssumptionResult<>(false, new NoFinalizableSubclass(this)); |
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Connect required Assumptions with answer to CHA query
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|
336 } |
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Connect required Assumptions with answer to CHA query
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|
337 return new AssumptionResult<>(true); |
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|
338 } |
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Added Java files from Maxine project.
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|
339 |
e233f5660da4
Added Java files from Maxine project.
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|
340 @Override |
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Added Java files from Maxine project.
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|
341 public boolean hasFinalizer() { |
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342 HotSpotVMConfig config = config(); |
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343 return (getAccessFlags() & config.klassHasFinalizerFlag) != 0; |
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344 } |
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345 |
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346 @Override |
7059
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347 public boolean isPrimitive() { |
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348 return false; |
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349 } |
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350 |
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351 @Override |
7060
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352 public boolean isArray() { |
14091
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353 return mirror().isArray(); |
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354 } |
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355 |
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356 @Override |
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357 public boolean isInitialized() { |
22581
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358 return isArray() ? true : getInitState() == config().instanceKlassStateFullyInitialized; |
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359 } |
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360 |
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361 @Override |
11520
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|
362 public boolean isLinked() { |
22581
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363 return isArray() ? true : getInitState() >= config().instanceKlassStateLinked; |
13259
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every HotSpotResolvedJavaMethod needs its own constant pool
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364 } |
b16fb0b7479b
every HotSpotResolvedJavaMethod needs its own constant pool
twisti
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365 |
b16fb0b7479b
every HotSpotResolvedJavaMethod needs its own constant pool
twisti
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|
366 /** |
b16fb0b7479b
every HotSpotResolvedJavaMethod needs its own constant pool
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367 * Returns the value of the state field {@code InstanceKlass::_init_state} of the metaspace |
b16fb0b7479b
every HotSpotResolvedJavaMethod needs its own constant pool
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368 * klass. |
14980 | 369 * |
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370 * @return state field value of this type |
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371 */ |
16386
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InstanceKlass::_init_state only exists for InstanceKlasses
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372 private int getInitState() { |
9ce3b1efc4e7
InstanceKlass::_init_state only exists for InstanceKlasses
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373 assert !isArray() : "_init_state only exists in InstanceKlass"; |
22581
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374 return UNSAFE.getByte(getMetaspaceKlass() + config().instanceKlassInitStateOffset) & 0xFF; |
11520
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|
375 } |
7cca436d600b
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|
376 |
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Add isLinked method to ResolvedJavaType
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|
377 @Override |
6549
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|
378 public void initialize() { |
13214
3f34b8f91cc5
moved CompilerToVM.isTypeInitialized and isTypeLinked to Java
twisti
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|
379 if (!isInitialized()) { |
22542
15579668ec3a
renamed constant field to UNSAFE
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|
380 UNSAFE.ensureClassInitialized(mirror()); |
13214
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381 assert isInitialized(); |
6549
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|
382 } |
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|
383 } |
15e04f248d6b
Add functionality to initialize a type
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diff
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|
384 |
15e04f248d6b
Add functionality to initialize a type
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diff
changeset
|
385 @Override |
18187
9619ba4daf4c
Rename Constant to JavaConstant.
Roland Schatz <roland.schatz@oracle.com>
parents:
18182
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changeset
|
386 public boolean isInstance(JavaConstant obj) { |
22536
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Refactoring: Rename Kind to JavaKind.
Roland Schatz <roland.schatz@oracle.com>
parents:
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diff
changeset
|
387 if (obj.getJavaKind() == JavaKind.Object && !obj.isNull()) { |
18290
e7d219e9d01f
removed HotSpotObjectConstantImpl.asObject()
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|
388 return mirror().isInstance(((HotSpotObjectConstantImpl) obj).object()); |
7015
62818f156081
added ResolvedJavaType.isClass(Class c) to replace some uses of ResolvedJavaType.toJava()
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|
389 } |
62818f156081
added ResolvedJavaType.isClass(Class c) to replace some uses of ResolvedJavaType.toJava()
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390 return false; |
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391 } |
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392 |
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393 @Override |
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394 public boolean isInstanceClass() { |
7060
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395 return !isArray() && !isInterface(); |
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396 } |
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397 |
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398 @Override |
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399 public boolean isInterface() { |
14091
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400 return mirror().isInterface(); |
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401 } |
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402 |
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|
403 @Override |
7097
6644cecbd3a7
Replace ResolvedJavaType.isAssignableTo with isAssignableFrom to be consistent with java.lang.Class
Christian Wimmer <christian.wimmer@oracle.com>
parents:
7096
diff
changeset
|
404 public boolean isAssignableFrom(ResolvedJavaType other) { |
9835
fcfedd3dd2eb
ResolvedJavaType.isAssignableFrom must not be called with null argument. Check that with assertions in HotSpot implementation.
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9289
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changeset
|
405 assert other != null; |
18223
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parents:
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changeset
|
406 if (other instanceof HotSpotResolvedObjectTypeImpl) { |
17c98fad6980
converted HotSpotResolvedObjectType to an interface
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18222
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changeset
|
407 HotSpotResolvedObjectTypeImpl otherType = (HotSpotResolvedObjectTypeImpl) other; |
14091
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|
408 return mirror().isAssignableFrom(otherType.mirror()); |
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|
409 } |
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|
410 return false; |
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|
411 } |
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Added Java files from Maxine project.
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parents:
diff
changeset
|
412 |
e233f5660da4
Added Java files from Maxine project.
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parents:
diff
changeset
|
413 @Override |
16491
4d7a9829315e
moved isJavaLangObject(ResolvedJavaType type) from MetaUtil to be a default method in ResolvedJavaType
Doug Simon <doug.simon@oracle.com>
parents:
16476
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changeset
|
414 public boolean isJavaLangObject() { |
4d7a9829315e
moved isJavaLangObject(ResolvedJavaType type) from MetaUtil to be a default method in ResolvedJavaType
Doug Simon <doug.simon@oracle.com>
parents:
16476
diff
changeset
|
415 return javaClass.equals(Object.class); |
4d7a9829315e
moved isJavaLangObject(ResolvedJavaType type) from MetaUtil to be a default method in ResolvedJavaType
Doug Simon <doug.simon@oracle.com>
parents:
16476
diff
changeset
|
416 } |
4d7a9829315e
moved isJavaLangObject(ResolvedJavaType type) from MetaUtil to be a default method in ResolvedJavaType
Doug Simon <doug.simon@oracle.com>
parents:
16476
diff
changeset
|
417 |
4d7a9829315e
moved isJavaLangObject(ResolvedJavaType type) from MetaUtil to be a default method in ResolvedJavaType
Doug Simon <doug.simon@oracle.com>
parents:
16476
diff
changeset
|
418 @Override |
22536
dc1aeef79e7e
Refactoring: Rename Kind to JavaKind.
Roland Schatz <roland.schatz@oracle.com>
parents:
22516
diff
changeset
|
419 public JavaKind getJavaKind() { |
dc1aeef79e7e
Refactoring: Rename Kind to JavaKind.
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parents:
22516
diff
changeset
|
420 return JavaKind.Object; |
3733
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diff
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|
421 } |
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Added Java files from Maxine project.
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|
422 |
e233f5660da4
Added Java files from Maxine project.
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parents:
diff
changeset
|
423 @Override |
23347
7ae6a635fad0
8152903: [JVMCI] CompilerToVM::resolveMethod should correctly handle private methods in interfaces
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
23340
diff
changeset
|
424 public ResolvedJavaMethod resolveMethod(ResolvedJavaMethod method, ResolvedJavaType callerType) { |
7ae6a635fad0
8152903: [JVMCI] CompilerToVM::resolveMethod should correctly handle private methods in interfaces
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
23340
diff
changeset
|
425 assert !callerType.isArray(); |
7ae6a635fad0
8152903: [JVMCI] CompilerToVM::resolveMethod should correctly handle private methods in interfaces
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
23340
diff
changeset
|
426 if (isInterface()) { |
7ae6a635fad0
8152903: [JVMCI] CompilerToVM::resolveMethod should correctly handle private methods in interfaces
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
23340
diff
changeset
|
427 // Methods can only be resolved against concrete types |
16384
5d7b90ab9787
Ensure that uniqueConcreteMethod is called with a resolved concrete method
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
16184
diff
changeset
|
428 return null; |
5d7b90ab9787
Ensure that uniqueConcreteMethod is called with a resolved concrete method
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
16184
diff
changeset
|
429 } |
18823
5a21cac1968f
Add utilities ModifiersProvider#isConcrete, ResolvedJavaMethod#hasReceiver, ResolvedJavaMethod#hasBytecodes to Graal API.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
18789
diff
changeset
|
430 if (method.isConcrete() && method.getDeclaringClass().equals(this) && method.isPublic()) { |
14604
bd7cf02d1756
added fast path for HotSpotResolvedObjectType.resolveMethod() when the receiver is the declarer of the method
Doug Simon <doug.simon@oracle.com>
parents:
14158
diff
changeset
|
431 return method; |
bd7cf02d1756
added fast path for HotSpotResolvedObjectType.resolveMethod() when the receiver is the declarer of the method
Doug Simon <doug.simon@oracle.com>
parents:
14158
diff
changeset
|
432 } |
15722
c583759bbcfd
ResolvedJavaType.resolveMethod now takes a callerType that is used to check access rules. Make it work for default methods.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15311
diff
changeset
|
433 if (!method.getDeclaringClass().isAssignableFrom(this)) { |
c583759bbcfd
ResolvedJavaType.resolveMethod now takes a callerType that is used to check access rules. Make it work for default methods.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15311
diff
changeset
|
434 return null; |
c583759bbcfd
ResolvedJavaType.resolveMethod now takes a callerType that is used to check access rules. Make it work for default methods.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15311
diff
changeset
|
435 } |
18222
a8cff27ca2e1
converted HotSpotResolvedJavaMethod to an interface
Doug Simon <doug.simon@oracle.com>
parents:
18194
diff
changeset
|
436 HotSpotResolvedJavaMethodImpl hotSpotMethod = (HotSpotResolvedJavaMethodImpl) method; |
18223
17c98fad6980
converted HotSpotResolvedObjectType to an interface
Doug Simon <doug.simon@oracle.com>
parents:
18222
diff
changeset
|
437 HotSpotResolvedObjectTypeImpl hotSpotCallerType = (HotSpotResolvedObjectTypeImpl) callerType; |
22582
232c53e17ea0
added CompilerToVM.compilerToVM() for static access to the CompilerToVM instance
Doug Simon <doug.simon@oracle.com>
parents:
22581
diff
changeset
|
438 return compilerToVM().resolveMethod(this, hotSpotMethod, hotSpotCallerType); |
3733
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Added Java files from Maxine project.
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parents:
diff
changeset
|
439 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
440 |
22454
76af33d4d504
Make jvmci redefinition safe
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
22432
diff
changeset
|
441 public HotSpotConstantPool getConstantPool() { |
23673
7ef84c807bfe
8159010: [JVMCI] crashes with class redefinition
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
23393
diff
changeset
|
442 if (constantPool == null || !isArray() && UNSAFE.getAddress(getMetaspaceKlass() + config().instanceKlassConstantsOffset) != constantPool.getMetaspaceConstantPool()) { |
7ef84c807bfe
8159010: [JVMCI] crashes with class redefinition
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
23393
diff
changeset
|
443 /* |
7ef84c807bfe
8159010: [JVMCI] crashes with class redefinition
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
23393
diff
changeset
|
444 * If the pointer to the ConstantPool has changed since this was last read refresh the |
7ef84c807bfe
8159010: [JVMCI] crashes with class redefinition
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
23393
diff
changeset
|
445 * HotSpotConstantPool wrapper object. This ensures that uses of the constant pool are |
7ef84c807bfe
8159010: [JVMCI] crashes with class redefinition
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
23393
diff
changeset
|
446 * operating on the latest one and that HotSpotResolvedJavaMethodImpls will be able to |
7ef84c807bfe
8159010: [JVMCI] crashes with class redefinition
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
23393
diff
changeset
|
447 * use the shared copy instead of creating their own instance. |
7ef84c807bfe
8159010: [JVMCI] crashes with class redefinition
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
23393
diff
changeset
|
448 */ |
22582
232c53e17ea0
added CompilerToVM.compilerToVM() for static access to the CompilerToVM instance
Doug Simon <doug.simon@oracle.com>
parents:
22581
diff
changeset
|
449 constantPool = compilerToVM().getConstantPool(this, config().instanceKlassConstantsOffset); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
450 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
451 return constantPool; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
452 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
453 |
5616
310ed6650682
added check to ensure fast path allocation is never used for types that don't allow it
Doug Simon <doug.simon@oracle.com>
parents:
5554
diff
changeset
|
454 /** |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7359
diff
changeset
|
455 * Gets the instance size of this type. If an instance of this type cannot be fast path |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7359
diff
changeset
|
456 * allocated, then the returned value is negative (its absolute value gives the size). Must not |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7359
diff
changeset
|
457 * be called if this is an array or interface type. |
5616
310ed6650682
added check to ensure fast path allocation is never used for types that don't allow it
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
458 */ |
3733
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
459 public int instanceSize() { |
7060
06d5f450f32b
rename: ResolvedJavaType.isArrayClass() -> ResolvedJavaType.isArray()
Doug Simon <doug.simon@oracle.com>
parents:
7059
diff
changeset
|
460 assert !isArray(); |
6950
41938af2b3d8
modifications to support non-perm-gen changes in HotSpot
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parents:
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diff
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|
461 assert !isInterface(); |
13261
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don't go through VM to create HotSpotResolvedObjectType (part 1)
twisti
parents:
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|
462 |
22581
3884a98ebcde
consistently use HotSpotVMConfig.config() for static access to the HotSpotVMConfig instance
Doug Simon <doug.simon@oracle.com>
parents:
22569
diff
changeset
|
463 HotSpotVMConfig config = config(); |
22254
efeabef8df70
Improve DynamicNewArrayNode code generation
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|
464 final int layoutHelper = layoutHelper(); |
13261
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465 assert layoutHelper > config.klassLayoutHelperNeutralValue : "must be instance"; |
0ffe9e4bb364
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|
466 |
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don't go through VM to create HotSpotResolvedObjectType (part 1)
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|
467 // See: Klass::layout_helper_size_in_bytes |
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468 int size = layoutHelper & ~config.klassLayoutHelperInstanceSlowPathBit; |
0ffe9e4bb364
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|
469 |
0ffe9e4bb364
don't go through VM to create HotSpotResolvedObjectType (part 1)
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|
470 // See: Klass::layout_helper_needs_slow_path |
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471 boolean needsSlowPath = (layoutHelper & config.klassLayoutHelperInstanceSlowPathBit) != 0; |
0ffe9e4bb364
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|
472 |
0ffe9e4bb364
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|
473 return needsSlowPath ? -size : size; |
3733
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Added Java files from Maxine project.
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parents:
diff
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|
474 } |
e233f5660da4
Added Java files from Maxine project.
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parents:
diff
changeset
|
475 |
22254
efeabef8df70
Improve DynamicNewArrayNode code generation
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changeset
|
476 public int layoutHelper() { |
22581
3884a98ebcde
consistently use HotSpotVMConfig.config() for static access to the HotSpotVMConfig instance
Doug Simon <doug.simon@oracle.com>
parents:
22569
diff
changeset
|
477 HotSpotVMConfig config = config(); |
22542
15579668ec3a
renamed constant field to UNSAFE
Doug Simon <doug.simon@oracle.com>
parents:
22541
diff
changeset
|
478 return UNSAFE.getInt(getMetaspaceKlass() + config.klassLayoutHelperOffset); |
22254
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Improve DynamicNewArrayNode code generation
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|
479 } |
efeabef8df70
Improve DynamicNewArrayNode code generation
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diff
changeset
|
480 |
22454
76af33d4d504
Make jvmci redefinition safe
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parents:
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diff
changeset
|
481 synchronized HotSpotResolvedJavaMethod createMethod(long metaspaceMethod) { |
76af33d4d504
Make jvmci redefinition safe
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diff
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|
482 HotSpotResolvedJavaMethodImpl method = null; |
6950
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modifications to support non-perm-gen changes in HotSpot
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parents:
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diff
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|
483 if (methodCache == null) { |
41938af2b3d8
modifications to support non-perm-gen changes in HotSpot
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|
484 methodCache = new HashMap<>(8); |
41938af2b3d8
modifications to support non-perm-gen changes in HotSpot
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|
485 } else { |
41938af2b3d8
modifications to support non-perm-gen changes in HotSpot
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|
486 method = methodCache.get(metaspaceMethod); |
41938af2b3d8
modifications to support non-perm-gen changes in HotSpot
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|
487 } |
41938af2b3d8
modifications to support non-perm-gen changes in HotSpot
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parents:
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changeset
|
488 if (method == null) { |
18222
a8cff27ca2e1
converted HotSpotResolvedJavaMethod to an interface
Doug Simon <doug.simon@oracle.com>
parents:
18194
diff
changeset
|
489 method = new HotSpotResolvedJavaMethodImpl(this, metaspaceMethod); |
6950
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changeset
|
490 methodCache.put(metaspaceMethod, method); |
22454
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Make jvmci redefinition safe
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diff
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491 context.add(method); |
6950
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|
492 } |
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|
493 return method; |
41938af2b3d8
modifications to support non-perm-gen changes in HotSpot
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|
494 } |
41938af2b3d8
modifications to support non-perm-gen changes in HotSpot
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changeset
|
495 |
16615
3812931f9350
Don't read beyond end of known vtable
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changeset
|
496 public int getVtableLength() { |
22581
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changeset
|
497 HotSpotVMConfig config = config(); |
16615
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498 if (isInterface() || isArray()) { |
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|
499 /* Everything has the core vtable of java.lang.Object */ |
23679
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
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parents:
23677
diff
changeset
|
500 return config.baseVtableLength(); |
16615
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Don't read beyond end of known vtable
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diff
changeset
|
501 } |
23679
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
23677
diff
changeset
|
502 int result = UNSAFE.getInt(getMetaspaceKlass() + config.klassVtableLengthOffset) / (config.vtableEntrySize / config.heapWordSize); |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
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diff
changeset
|
503 assert result >= config.baseVtableLength() : UNSAFE.getInt(getMetaspaceKlass() + config.klassVtableLengthOffset) + " " + config.vtableEntrySize; |
16615
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|
504 return result; |
3812931f9350
Don't read beyond end of known vtable
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|
505 } |
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parents:
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diff
changeset
|
506 |
23375
3f70efb8f473
Make HotSpotResolvedObjectTypeImpl.createField internal.
Roland Schatz <roland.schatz@oracle.com>
parents:
23374
diff
changeset
|
507 synchronized HotSpotResolvedJavaField createField(String fieldName, JavaType type, long offset, int rawFlags) { |
14012 | 508 HotSpotResolvedJavaField result = null; |
3733
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Added Java files from Maxine project.
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parents:
diff
changeset
|
509 |
22011
4c9d4fe1cbd8
Add ModifiersProvider.isSynthetic, isVarArgs and isBridge.
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
21798
diff
changeset
|
510 final int flags = rawFlags & ModifiersProvider.jvmFieldModifiers(); |
13495
818d2885db2f
Bugfix: Canonicalize field flags before looking up cached fields, to avoid creating the same field twice with different flags
Christian Wimmer <christian.wimmer@oracle.com>
parents:
13479
diff
changeset
|
511 |
14012 | 512 final long id = offset + ((long) flags << 32); |
3733
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Added Java files from Maxine project.
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parents:
diff
changeset
|
513 |
22551
71ea8d7db665
removed author tags in comments
Doug Simon <doug.simon@oracle.com>
parents:
22542
diff
changeset
|
514 // Must cache the fields, because the local load elimination only works if the |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
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parents:
7359
diff
changeset
|
515 // objects from two field lookups are identical. |
3733
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Added Java files from Maxine project.
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parents:
diff
changeset
|
516 if (fieldCache == null) { |
4142
bc8527f3071c
Adjust code base to new level of warnings.
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parents:
3733
diff
changeset
|
517 fieldCache = new HashMap<>(8); |
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parents:
diff
changeset
|
518 } else { |
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Added Java files from Maxine project.
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parents:
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changeset
|
519 result = fieldCache.get(id); |
e233f5660da4
Added Java files from Maxine project.
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parents:
diff
changeset
|
520 } |
e233f5660da4
Added Java files from Maxine project.
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parents:
diff
changeset
|
521 |
e233f5660da4
Added Java files from Maxine project.
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parents:
diff
changeset
|
522 if (result == null) { |
18264
e28aa8468d5e
converted HotSpotResolvedJavaField to an interface
Doug Simon <doug.simon@oracle.com>
parents:
18262
diff
changeset
|
523 result = new HotSpotResolvedJavaFieldImpl(this, fieldName, type, offset, rawFlags); |
3733
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Added Java files from Maxine project.
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parents:
diff
changeset
|
524 fieldCache.put(id, result); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
525 } else { |
6539
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.
Christian Wimmer <christian.wimmer@oracle.com>
parents:
6430
diff
changeset
|
526 assert result.getName().equals(fieldName); |
23375
3f70efb8f473
Make HotSpotResolvedObjectTypeImpl.createField internal.
Roland Schatz <roland.schatz@oracle.com>
parents:
23374
diff
changeset
|
527 /* |
3f70efb8f473
Make HotSpotResolvedObjectTypeImpl.createField internal.
Roland Schatz <roland.schatz@oracle.com>
parents:
23374
diff
changeset
|
528 * Comparing the types directly is too strict, because the type in the cache could be |
3f70efb8f473
Make HotSpotResolvedObjectTypeImpl.createField internal.
Roland Schatz <roland.schatz@oracle.com>
parents:
23374
diff
changeset
|
529 * resolved while the incoming type is unresolved. The name comparison is sufficient |
3f70efb8f473
Make HotSpotResolvedObjectTypeImpl.createField internal.
Roland Schatz <roland.schatz@oracle.com>
parents:
23374
diff
changeset
|
530 * because the type will always be resolved in the context of the holder. |
3f70efb8f473
Make HotSpotResolvedObjectTypeImpl.createField internal.
Roland Schatz <roland.schatz@oracle.com>
parents:
23374
diff
changeset
|
531 */ |
3f70efb8f473
Make HotSpotResolvedObjectTypeImpl.createField internal.
Roland Schatz <roland.schatz@oracle.com>
parents:
23374
diff
changeset
|
532 assert result.getType().getName().equals(type.getName()); |
14012 | 533 assert result.offset() == offset; |
13495
818d2885db2f
Bugfix: Canonicalize field flags before looking up cached fields, to avoid creating the same field twice with different flags
Christian Wimmer <christian.wimmer@oracle.com>
parents:
13479
diff
changeset
|
534 assert result.getModifiers() == flags; |
3733
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Added Java files from Maxine project.
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parents:
diff
changeset
|
535 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
536 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
537 return result; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
538 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
539 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
540 @Override |
19800
3362ba500371
Connect required Assumptions with answer to CHA query
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
19743
diff
changeset
|
541 public AssumptionResult<ResolvedJavaMethod> findUniqueConcreteMethod(ResolvedJavaMethod method) { |
16184
8fde32ece68e
use receiver type in findUniqueConcreteMethod
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
15839
diff
changeset
|
542 HotSpotResolvedJavaMethod hmethod = (HotSpotResolvedJavaMethod) method; |
18323
301c5e3d683a
removed *Impl types in signatures of Remote interfaces
Doug Simon <doug.simon@oracle.com>
parents:
18290
diff
changeset
|
543 HotSpotResolvedObjectType declaredHolder = hmethod.getDeclaringClass(); |
16184
8fde32ece68e
use receiver type in findUniqueConcreteMethod
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
15839
diff
changeset
|
544 /* |
8fde32ece68e
use receiver type in findUniqueConcreteMethod
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
15839
diff
changeset
|
545 * Sometimes the receiver type in the graph hasn't stabilized to a subtype of declared |
8fde32ece68e
use receiver type in findUniqueConcreteMethod
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
15839
diff
changeset
|
546 * holder, usually because of phis, so make sure that the type is related to the declared |
16384
5d7b90ab9787
Ensure that uniqueConcreteMethod is called with a resolved concrete method
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
16184
diff
changeset
|
547 * type before using it for lookup. Unlinked types should also be ignored because we can't |
5d7b90ab9787
Ensure that uniqueConcreteMethod is called with a resolved concrete method
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
16184
diff
changeset
|
548 * resolve the proper method to invoke. Generally unlinked types in invokes should result in |
5d7b90ab9787
Ensure that uniqueConcreteMethod is called with a resolved concrete method
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
16184
diff
changeset
|
549 * a deopt instead since they can't really be used if they aren't linked yet. |
16184
8fde32ece68e
use receiver type in findUniqueConcreteMethod
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
15839
diff
changeset
|
550 */ |
16384
5d7b90ab9787
Ensure that uniqueConcreteMethod is called with a resolved concrete method
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
16184
diff
changeset
|
551 if (!declaredHolder.isAssignableFrom(this) || this.isArray() || this.equals(declaredHolder) || !isLinked() || isInterface()) { |
19800
3362ba500371
Connect required Assumptions with answer to CHA query
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parents:
19743
diff
changeset
|
552 ResolvedJavaMethod result = hmethod.uniqueConcreteMethod(declaredHolder); |
3362ba500371
Connect required Assumptions with answer to CHA query
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
19743
diff
changeset
|
553 if (result != null) { |
19801
deab43a789ad
Split LeafType off from ConcreteSubtype
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
19800
diff
changeset
|
554 return new AssumptionResult<>(result, new ConcreteMethod(method, declaredHolder, result)); |
19800
3362ba500371
Connect required Assumptions with answer to CHA query
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parents:
19743
diff
changeset
|
555 } |
3362ba500371
Connect required Assumptions with answer to CHA query
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
19743
diff
changeset
|
556 return null; |
16184
8fde32ece68e
use receiver type in findUniqueConcreteMethod
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
15839
diff
changeset
|
557 } |
8fde32ece68e
use receiver type in findUniqueConcreteMethod
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
15839
diff
changeset
|
558 /* |
18789 | 559 * The holder may be a subtype of the declaredHolder so make sure to resolve the method to |
16184
8fde32ece68e
use receiver type in findUniqueConcreteMethod
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
15839
diff
changeset
|
560 * the correct method for the subtype. |
8fde32ece68e
use receiver type in findUniqueConcreteMethod
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
15839
diff
changeset
|
561 */ |
22165
af6cc957bf04
Remove dummy parameter `includeAbstract` from `ResolvedJavaType#resolveMethod()`;
Josef Eisl <josef.eisl@jku.at>
parents:
22054
diff
changeset
|
562 HotSpotResolvedJavaMethod resolvedMethod = (HotSpotResolvedJavaMethod) resolveMethod(hmethod, this); |
16384
5d7b90ab9787
Ensure that uniqueConcreteMethod is called with a resolved concrete method
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
16184
diff
changeset
|
563 if (resolvedMethod == null) { |
5d7b90ab9787
Ensure that uniqueConcreteMethod is called with a resolved concrete method
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
16184
diff
changeset
|
564 // The type isn't known to implement the method. |
5d7b90ab9787
Ensure that uniqueConcreteMethod is called with a resolved concrete method
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
16184
diff
changeset
|
565 return null; |
16184
8fde32ece68e
use receiver type in findUniqueConcreteMethod
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
15839
diff
changeset
|
566 } |
8fde32ece68e
use receiver type in findUniqueConcreteMethod
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
15839
diff
changeset
|
567 |
19800
3362ba500371
Connect required Assumptions with answer to CHA query
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
19743
diff
changeset
|
568 ResolvedJavaMethod result = resolvedMethod.uniqueConcreteMethod(this); |
3362ba500371
Connect required Assumptions with answer to CHA query
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
19743
diff
changeset
|
569 if (result != null) { |
19801
deab43a789ad
Split LeafType off from ConcreteSubtype
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
19800
diff
changeset
|
570 return new AssumptionResult<>(result, new ConcreteMethod(method, this, result)); |
19800
3362ba500371
Connect required Assumptions with answer to CHA query
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
19743
diff
changeset
|
571 } |
3362ba500371
Connect required Assumptions with answer to CHA query
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
19743
diff
changeset
|
572 return null; |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
573 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
574 |
14012 | 575 /** |
576 * This class represents the field information for one field contained in the fields array of an | |
577 * {@code InstanceKlass}. The implementation is similar to the native {@code FieldInfo} class. | |
578 */ | |
579 private class FieldInfo { | |
580 /** | |
581 * Native pointer into the array of Java shorts. | |
582 */ | |
583 private final long metaspaceData; | |
584 | |
585 /** | |
586 * Creates a field info for the field in the fields array at index {@code index}. | |
14980 | 587 * |
14012 | 588 * @param index index to the fields array |
589 */ | |
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590 FieldInfo(int index) { |
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591 HotSpotVMConfig config = config(); |
14012 | 592 // Get Klass::_fields |
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593 final long metaspaceFields = UNSAFE.getAddress(getMetaspaceKlass() + config.instanceKlassFieldsOffset); |
14012 | 594 assert config.fieldInfoFieldSlots == 6 : "revisit the field parsing code"; |
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595 int offset = config.fieldInfoFieldSlots * Short.BYTES * index; |
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596 metaspaceData = metaspaceFields + config.arrayU2DataOffset + offset; |
14012 | 597 } |
598 | |
599 private int getAccessFlags() { | |
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600 return readFieldSlot(config().fieldInfoAccessFlagsOffset); |
14012 | 601 } |
602 | |
603 private int getNameIndex() { | |
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604 return readFieldSlot(config().fieldInfoNameIndexOffset); |
14012 | 605 } |
606 | |
607 private int getSignatureIndex() { | |
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608 return readFieldSlot(config().fieldInfoSignatureIndexOffset); |
14012 | 609 } |
610 | |
611 public int getOffset() { | |
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612 HotSpotVMConfig config = config(); |
14012 | 613 final int lowPacked = readFieldSlot(config.fieldInfoLowPackedOffset); |
614 final int highPacked = readFieldSlot(config.fieldInfoHighPackedOffset); | |
615 final int offset = ((highPacked << Short.SIZE) | lowPacked) >> config.fieldInfoTagSize; | |
616 return offset; | |
617 } | |
618 | |
619 /** | |
620 * Helper method to read an entry (slot) from the field array. Currently field info is laid | |
621 * on top an array of Java shorts. | |
622 */ | |
623 private int readFieldSlot(int index) { | |
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624 int offset = Short.BYTES * index; |
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625 return UNSAFE.getChar(metaspaceData + offset); |
14012 | 626 } |
627 | |
628 /** | |
629 * Returns the name of this field as a {@link String}. If the field is an internal field the | |
630 * name index is pointing into the vmSymbols table. | |
631 */ | |
632 public String getName() { | |
633 final int nameIndex = getNameIndex(); | |
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634 return isInternal() ? config().symbolAt(nameIndex) : getConstantPool().lookupUtf8(nameIndex); |
14012 | 635 } |
636 | |
637 /** | |
638 * Returns the signature of this field as {@link String}. If the field is an internal field | |
639 * the signature index is pointing into the vmSymbols table. | |
640 */ | |
641 public String getSignature() { | |
642 final int signatureIndex = getSignatureIndex(); | |
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643 return isInternal() ? config().symbolAt(signatureIndex) : getConstantPool().lookupUtf8(signatureIndex); |
14012 | 644 } |
645 | |
646 public JavaType getType() { | |
647 String signature = getSignature(); | |
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648 return runtime().lookupType(signature, HotSpotResolvedObjectTypeImpl.this, false); |
14012 | 649 } |
650 | |
651 private boolean isInternal() { | |
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652 return (getAccessFlags() & config().jvmAccFieldInternal) != 0; |
14012 | 653 } |
654 | |
655 public boolean isStatic() { | |
656 return Modifier.isStatic(getAccessFlags()); | |
657 } | |
658 | |
659 public boolean hasGenericSignature() { | |
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660 return (getAccessFlags() & config().jvmAccFieldHasGenericSignature) != 0; |
14012 | 661 } |
662 } | |
663 | |
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664 @SuppressFBWarnings(value = "SE_COMPARATOR_SHOULD_BE_SERIALIZABLE", justification = "comparator is only used transiently") |
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665 private static class OffsetComparator implements java.util.Comparator<HotSpotResolvedJavaField> { |
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666 @Override |
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667 public int compare(HotSpotResolvedJavaField o1, HotSpotResolvedJavaField o2) { |
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668 return o1.offset() - o2.offset(); |
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669 } |
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670 } |
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671 |
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672 @Override |
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673 public ResolvedJavaField[] getInstanceFields(boolean includeSuperclasses) { |
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674 if (instanceFields == null) { |
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675 if (isArray() || isInterface()) { |
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676 instanceFields = new HotSpotResolvedJavaField[0]; |
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677 } else { |
14012 | 678 final int fieldCount = getFieldCount(); |
679 ArrayList<HotSpotResolvedJavaField> fieldsArray = new ArrayList<>(fieldCount); | |
680 | |
681 for (int i = 0; i < fieldCount; i++) { | |
682 FieldInfo field = new FieldInfo(i); | |
683 | |
684 // We are only interested in instance fields. | |
685 if (!field.isStatic()) { | |
686 HotSpotResolvedJavaField resolvedJavaField = createField(field.getName(), field.getType(), field.getOffset(), field.getAccessFlags()); | |
687 fieldsArray.add(resolvedJavaField); | |
688 } | |
689 } | |
690 | |
14980 | 691 fieldsArray.sort(new OffsetComparator()); |
14012 | 692 |
693 HotSpotResolvedJavaField[] myFields = fieldsArray.toArray(new HotSpotResolvedJavaField[0]); | |
694 | |
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695 if (mirror() != Object.class) { |
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696 HotSpotResolvedJavaField[] superFields = (HotSpotResolvedJavaField[]) getSuperclass().getInstanceFields(true); |
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697 HotSpotResolvedJavaField[] fields = Arrays.copyOf(superFields, superFields.length + myFields.length); |
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698 System.arraycopy(myFields, 0, fields, superFields.length, myFields.length); |
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699 instanceFields = fields; |
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700 } else { |
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701 assert myFields.length == 0 : "java.lang.Object has fields!"; |
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702 instanceFields = myFields; |
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703 } |
14012 | 704 |
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705 } |
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706 } |
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707 if (!includeSuperclasses) { |
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708 int myFieldsStart = 0; |
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709 while (myFieldsStart < instanceFields.length && !instanceFields[myFieldsStart].getDeclaringClass().equals(this)) { |
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710 myFieldsStart++; |
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711 } |
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712 if (myFieldsStart == 0) { |
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713 return instanceFields; |
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714 } |
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715 if (myFieldsStart == instanceFields.length) { |
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716 return new HotSpotResolvedJavaField[0]; |
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717 } |
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718 return Arrays.copyOfRange(instanceFields, myFieldsStart, instanceFields.length); |
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719 } |
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720 return instanceFields; |
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|
721 } |
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|
722 |
15839
2838203d4231
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diff
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|
723 @Override |
2838203d4231
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|
724 public ResolvedJavaField[] getStaticFields() { |
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|
725 if (isArray()) { |
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726 return new HotSpotResolvedJavaField[0]; |
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727 } else { |
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728 final int fieldCount = getFieldCount(); |
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|
729 ArrayList<HotSpotResolvedJavaField> fieldsArray = new ArrayList<>(fieldCount); |
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Add method ResolvedJavaType.getStaticFields
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730 |
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|
731 for (int i = 0; i < fieldCount; i++) { |
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732 FieldInfo field = new FieldInfo(i); |
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733 |
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734 // We are only interested in static fields. |
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735 if (field.isStatic()) { |
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736 HotSpotResolvedJavaField resolvedJavaField = createField(field.getName(), field.getType(), field.getOffset(), field.getAccessFlags()); |
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737 fieldsArray.add(resolvedJavaField); |
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738 } |
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739 } |
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740 |
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|
741 fieldsArray.sort(new OffsetComparator()); |
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742 return fieldsArray.toArray(new HotSpotResolvedJavaField[fieldsArray.size()]); |
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743 } |
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744 } |
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745 |
14012 | 746 /** |
747 * Returns the actual field count of this class's internal {@code InstanceKlass::_fields} array | |
748 * by walking the array and discounting the generic signature slots at the end of the array. | |
14980 | 749 * |
14012 | 750 * <p> |
751 * See {@code FieldStreamBase::init_generic_signature_start_slot} | |
752 */ | |
753 private int getFieldCount() { | |
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754 HotSpotVMConfig config = config(); |
22542
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22541
diff
changeset
|
755 final long metaspaceFields = UNSAFE.getAddress(getMetaspaceKlass() + config.instanceKlassFieldsOffset); |
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|
756 int metaspaceFieldsLength = UNSAFE.getInt(metaspaceFields + config.arrayU1LengthOffset); |
14012 | 757 int fieldCount = 0; |
758 | |
759 for (int i = 0, index = 0; i < metaspaceFieldsLength; i += config.fieldInfoFieldSlots, index++) { | |
760 FieldInfo field = new FieldInfo(index); | |
761 if (field.hasGenericSignature()) { | |
762 metaspaceFieldsLength--; | |
763 } | |
764 fieldCount++; | |
765 } | |
766 return fieldCount; | |
767 } | |
768 | |
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|
769 @Override |
7053
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Doug Simon <doug.simon@oracle.com>
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|
770 public Class<?> mirror() { |
13261
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parents:
13260
diff
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771 return javaClass; |
7053
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|
772 } |
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|
773 |
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|
774 @Override |
7307
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7226
diff
changeset
|
775 public String getSourceFileName() { |
22581
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changeset
|
776 HotSpotVMConfig config = config(); |
22542
15579668ec3a
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|
777 final int sourceFileNameIndex = UNSAFE.getChar(getMetaspaceKlass() + config.instanceKlassSourceFileNameIndexOffset); |
13254
42aaf7306707
Teach Graal about Symbol and ConstantPool so we can move more logic into Java. We'll see how that ends...
twisti
parents:
13214
diff
changeset
|
778 if (sourceFileNameIndex == 0) { |
42aaf7306707
Teach Graal about Symbol and ConstantPool so we can move more logic into Java. We'll see how that ends...
twisti
parents:
13214
diff
changeset
|
779 return null; |
42aaf7306707
Teach Graal about Symbol and ConstantPool so we can move more logic into Java. We'll see how that ends...
twisti
parents:
13214
diff
changeset
|
780 } |
22454
76af33d4d504
Make jvmci redefinition safe
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
22432
diff
changeset
|
781 return getConstantPool().lookupUtf8(sourceFileNameIndex); |
7307
dc3e86fd3be1
Introduce cutomization capability for canonicalizer.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
7226
diff
changeset
|
782 } |
dc3e86fd3be1
Introduce cutomization capability for canonicalizer.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
7226
diff
changeset
|
783 |
dc3e86fd3be1
Introduce cutomization capability for canonicalizer.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
7226
diff
changeset
|
784 @Override |
22432
e4f0d819fe22
Add getAnnotations() method to ResolvedJavaType and ResolvedJavaField
Christian Wimmer <christian.wimmer@oracle.com>
parents:
22422
diff
changeset
|
785 public Annotation[] getAnnotations() { |
e4f0d819fe22
Add getAnnotations() method to ResolvedJavaType and ResolvedJavaField
Christian Wimmer <christian.wimmer@oracle.com>
parents:
22422
diff
changeset
|
786 return mirror().getAnnotations(); |
e4f0d819fe22
Add getAnnotations() method to ResolvedJavaType and ResolvedJavaField
Christian Wimmer <christian.wimmer@oracle.com>
parents:
22422
diff
changeset
|
787 } |
e4f0d819fe22
Add getAnnotations() method to ResolvedJavaType and ResolvedJavaField
Christian Wimmer <christian.wimmer@oracle.com>
parents:
22422
diff
changeset
|
788 |
e4f0d819fe22
Add getAnnotations() method to ResolvedJavaType and ResolvedJavaField
Christian Wimmer <christian.wimmer@oracle.com>
parents:
22422
diff
changeset
|
789 @Override |
23376
ae27c683c128
Make ResolvedJava* types extend AnnotatedElement.
Roland Schatz <roland.schatz@oracle.com>
parents:
23375
diff
changeset
|
790 public Annotation[] getDeclaredAnnotations() { |
ae27c683c128
Make ResolvedJava* types extend AnnotatedElement.
Roland Schatz <roland.schatz@oracle.com>
parents:
23375
diff
changeset
|
791 return mirror().getDeclaredAnnotations(); |
ae27c683c128
Make ResolvedJava* types extend AnnotatedElement.
Roland Schatz <roland.schatz@oracle.com>
parents:
23375
diff
changeset
|
792 } |
ae27c683c128
Make ResolvedJava* types extend AnnotatedElement.
Roland Schatz <roland.schatz@oracle.com>
parents:
23375
diff
changeset
|
793 |
ae27c683c128
Make ResolvedJava* types extend AnnotatedElement.
Roland Schatz <roland.schatz@oracle.com>
parents:
23375
diff
changeset
|
794 @Override |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
795 public <T extends Annotation> T getAnnotation(Class<T> annotationClass) { |
14091
ed92bc6900d5
simplified HotSpotResolvedObjectType.FieldInfo.getType(); encapsulated all access to javaClass in HotSpotResolvedObjectType more
Doug Simon <doug.simon@oracle.com>
parents:
14069
diff
changeset
|
796 return mirror().getAnnotation(annotationClass); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
797 } |
4484
14a00ee82980
Implement eager type resolving.
Andreas Woess <andreas.woess@jku.at>
parents:
4433
diff
changeset
|
798 |
16492
8853b9304083
made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents:
16491
diff
changeset
|
799 /** |
16575
adafceb4da4a
improved name and documentation for method implementing fast-path check for type resolution
Doug Simon <doug.simon@oracle.com>
parents:
16492
diff
changeset
|
800 * Performs a fast-path check that this type is resolved in the context of a given accessing |
adafceb4da4a
improved name and documentation for method implementing fast-path check for type resolution
Doug Simon <doug.simon@oracle.com>
parents:
16492
diff
changeset
|
801 * class. A negative result does not mean this type is not resolved with respect to |
adafceb4da4a
improved name and documentation for method implementing fast-path check for type resolution
Doug Simon <doug.simon@oracle.com>
parents:
16492
diff
changeset
|
802 * {@code accessingClass}. That can only be determined by |
21552
9579a3c62a9e
use skeleton findbugs jar containing only SuppresFBWarnings to avoid external dependency for JVMCI classes (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21411
diff
changeset
|
803 * {@linkplain HotSpotJVMCIRuntime#lookupType(String, HotSpotResolvedObjectType, boolean) |
16575
adafceb4da4a
improved name and documentation for method implementing fast-path check for type resolution
Doug Simon <doug.simon@oracle.com>
parents:
16492
diff
changeset
|
804 * re-resolving} the type. |
16492
8853b9304083
made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents:
16491
diff
changeset
|
805 */ |
16575
adafceb4da4a
improved name and documentation for method implementing fast-path check for type resolution
Doug Simon <doug.simon@oracle.com>
parents:
16492
diff
changeset
|
806 public boolean isDefinitelyResolvedWithRespectTo(ResolvedJavaType accessingClass) { |
16492
8853b9304083
made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents:
16491
diff
changeset
|
807 assert accessingClass != null; |
8853b9304083
made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents:
16491
diff
changeset
|
808 ResolvedJavaType elementType = getElementalType(); |
8853b9304083
made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents:
16491
diff
changeset
|
809 if (elementType.isPrimitive()) { |
8853b9304083
made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents:
16491
diff
changeset
|
810 // Primitive type resolution is context free. |
8853b9304083
made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents:
16491
diff
changeset
|
811 return true; |
8853b9304083
made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents:
16491
diff
changeset
|
812 } |
8853b9304083
made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents:
16491
diff
changeset
|
813 if (elementType.getName().startsWith("Ljava/")) { |
8853b9304083
made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents:
16491
diff
changeset
|
814 // Classes in a java.* package can only be defined by the |
8853b9304083
made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents:
16491
diff
changeset
|
815 // boot class loader. This is enforced by ClassLoader.preDefineClass() |
8853b9304083
made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents:
16491
diff
changeset
|
816 assert mirror().getClassLoader() == null; |
8853b9304083
made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents:
16491
diff
changeset
|
817 return true; |
8853b9304083
made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents:
16491
diff
changeset
|
818 } |
8853b9304083
made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents:
16491
diff
changeset
|
819 ClassLoader thisCl = mirror().getClassLoader(); |
18223
17c98fad6980
converted HotSpotResolvedObjectType to an interface
Doug Simon <doug.simon@oracle.com>
parents:
18222
diff
changeset
|
820 ClassLoader accessingClassCl = ((HotSpotResolvedObjectTypeImpl) accessingClass).mirror().getClassLoader(); |
16492
8853b9304083
made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents:
16491
diff
changeset
|
821 return thisCl == accessingClassCl; |
8853b9304083
made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents:
16491
diff
changeset
|
822 } |
8853b9304083
made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents:
16491
diff
changeset
|
823 |
4484
14a00ee82980
Implement eager type resolving.
Andreas Woess <andreas.woess@jku.at>
parents:
4433
diff
changeset
|
824 @Override |
5541
b4c406861c33
More renamings to drop Ri* prefix completely. Deleted graph.BitMap class and replaced with java.util.BitSet.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5540
diff
changeset
|
825 public ResolvedJavaType resolve(ResolvedJavaType accessingClass) { |
16575
adafceb4da4a
improved name and documentation for method implementing fast-path check for type resolution
Doug Simon <doug.simon@oracle.com>
parents:
16492
diff
changeset
|
826 if (isDefinitelyResolvedWithRespectTo(requireNonNull(accessingClass))) { |
16492
8853b9304083
made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents:
16491
diff
changeset
|
827 return this; |
8853b9304083
made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents:
16491
diff
changeset
|
828 } |
18223
17c98fad6980
converted HotSpotResolvedObjectType to an interface
Doug Simon <doug.simon@oracle.com>
parents:
18222
diff
changeset
|
829 HotSpotResolvedObjectTypeImpl accessingType = (HotSpotResolvedObjectTypeImpl) accessingClass; |
16492
8853b9304083
made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents:
16491
diff
changeset
|
830 return (ResolvedJavaType) runtime().lookupType(getName(), accessingType, true); |
4484
14a00ee82980
Implement eager type resolving.
Andreas Woess <andreas.woess@jku.at>
parents:
4433
diff
changeset
|
831 } |
5326
a53162ca8219
introduced HotSpotKlassOop type to convey a klassOop value from the compiler to the C++ code instead of relying on the C++ code automagically converting a HotSpotTypeResolvedImpl value to a klassOop
Doug Simon <doug.simon@oracle.com>
parents:
5287
diff
changeset
|
832 |
7037
dd81042f4eb1
added unit tests for ResolvedJavaType
Doug Simon <doug.simon@oracle.com>
parents:
7030
diff
changeset
|
833 /** |
18187
9619ba4daf4c
Rename Constant to JavaConstant.
Roland Schatz <roland.schatz@oracle.com>
parents:
18182
diff
changeset
|
834 * Gets the metaspace Klass boxed in a {@link JavaConstant}. |
7037
dd81042f4eb1
added unit tests for ResolvedJavaType
Doug Simon <doug.simon@oracle.com>
parents:
7030
diff
changeset
|
835 */ |
22556
6821ef65ef4c
HotSpotMetaspaceConstantImpl is not a PrimitiveConstant.
Roland Schatz <roland.schatz@oracle.com>
parents:
22551
diff
changeset
|
836 public Constant klass() { |
22590
3f6488b29c1a
Remove rawValue from HotSpotMetaspaceConstantImpl, patch raw pointer at code installation time.
Roland Schatz <roland.schatz@oracle.com>
parents:
22582
diff
changeset
|
837 return HotSpotMetaspaceConstantImpl.forMetaspaceObject(this, false); |
12559
ae412befde21
read HotSpotVMConfig fields from HotSpot's vmStructs via annotations
twisti
parents:
12456
diff
changeset
|
838 } |
ae412befde21
read HotSpotVMConfig fields from HotSpot's vmStructs via annotations
twisti
parents:
12456
diff
changeset
|
839 |
5466
af07e798947d
lifted fast subtype check into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents:
5326
diff
changeset
|
840 public boolean isPrimaryType() { |
22581
3884a98ebcde
consistently use HotSpotVMConfig.config() for static access to the HotSpotVMConfig instance
Doug Simon <doug.simon@oracle.com>
parents:
22569
diff
changeset
|
841 return config().secondarySuperCacheOffset != superCheckOffset(); |
5466
af07e798947d
lifted fast subtype check into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents:
5326
diff
changeset
|
842 } |
af07e798947d
lifted fast subtype check into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents:
5326
diff
changeset
|
843 |
af07e798947d
lifted fast subtype check into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents:
5326
diff
changeset
|
844 public int superCheckOffset() { |
22581
3884a98ebcde
consistently use HotSpotVMConfig.config() for static access to the HotSpotVMConfig instance
Doug Simon <doug.simon@oracle.com>
parents:
22569
diff
changeset
|
845 HotSpotVMConfig config = config(); |
22542
15579668ec3a
renamed constant field to UNSAFE
Doug Simon <doug.simon@oracle.com>
parents:
22541
diff
changeset
|
846 return UNSAFE.getInt(getMetaspaceKlass() + config.superCheckOffsetOffset); |
5466
af07e798947d
lifted fast subtype check into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents:
5326
diff
changeset
|
847 } |
5686
6cb39a47da14
replaced loading of instance prototype header word with a constant obtained from HotSpotResolvedJavaType
Doug Simon <doug.simon@oracle.com>
parents:
5682
diff
changeset
|
848 |
6375
1d7c73b5d787
terminology change to match C++ code and biased locking paper: "initial mark word" -> "prototype mark word"
Doug Simon <doug.simon@oracle.com>
parents:
6367
diff
changeset
|
849 public long prototypeMarkWord() { |
22581
3884a98ebcde
consistently use HotSpotVMConfig.config() for static access to the HotSpotVMConfig instance
Doug Simon <doug.simon@oracle.com>
parents:
22569
diff
changeset
|
850 HotSpotVMConfig config = config(); |
7147
88d626e2c2a8
added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents:
7143
diff
changeset
|
851 if (isArray()) { |
12559
ae412befde21
read HotSpotVMConfig fields from HotSpot's vmStructs via annotations
twisti
parents:
12456
diff
changeset
|
852 return config.arrayPrototypeMarkWord(); |
7147
88d626e2c2a8
added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents:
7143
diff
changeset
|
853 } else { |
22542
15579668ec3a
renamed constant field to UNSAFE
Doug Simon <doug.simon@oracle.com>
parents:
22541
diff
changeset
|
854 return UNSAFE.getAddress(getMetaspaceKlass() + config.prototypeMarkWordOffset); |
7147
88d626e2c2a8
added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents:
7143
diff
changeset
|
855 } |
5686
6cb39a47da14
replaced loading of instance prototype header word with a constant obtained from HotSpotResolvedJavaType
Doug Simon <doug.simon@oracle.com>
parents:
5682
diff
changeset
|
856 } |
7049
ccade022ec83
virtualization of unsafeload and unsafestore
Lukas Stadler <lukas.stadler@jku.at>
parents:
7037
diff
changeset
|
857 |
ccade022ec83
virtualization of unsafeload and unsafestore
Lukas Stadler <lukas.stadler@jku.at>
parents:
7037
diff
changeset
|
858 @Override |
22536
dc1aeef79e7e
Refactoring: Rename Kind to JavaKind.
Roland Schatz <roland.schatz@oracle.com>
parents:
22516
diff
changeset
|
859 public ResolvedJavaField findInstanceFieldWithOffset(long offset, JavaKind expectedEntryKind) { |
7049
ccade022ec83
virtualization of unsafeload and unsafestore
Lukas Stadler <lukas.stadler@jku.at>
parents:
7037
diff
changeset
|
860 ResolvedJavaField[] declaredFields = getInstanceFields(true); |
ccade022ec83
virtualization of unsafeload and unsafestore
Lukas Stadler <lukas.stadler@jku.at>
parents:
7037
diff
changeset
|
861 for (ResolvedJavaField field : declaredFields) { |
18950
3fc907b46313
[SPARC] Fix Partial Escape Analysis for SPARC in Truffle
Stefan Anzinger <stefan.anzinger@oracle.com>
parents:
18867
diff
changeset
|
862 HotSpotResolvedJavaField resolvedField = (HotSpotResolvedJavaField) field; |
3fc907b46313
[SPARC] Fix Partial Escape Analysis for SPARC in Truffle
Stefan Anzinger <stefan.anzinger@oracle.com>
parents:
18867
diff
changeset
|
863 long resolvedFieldOffset = resolvedField.offset(); |
3fc907b46313
[SPARC] Fix Partial Escape Analysis for SPARC in Truffle
Stefan Anzinger <stefan.anzinger@oracle.com>
parents:
18867
diff
changeset
|
864 // @formatter:off |
3fc907b46313
[SPARC] Fix Partial Escape Analysis for SPARC in Truffle
Stefan Anzinger <stefan.anzinger@oracle.com>
parents:
18867
diff
changeset
|
865 if (ByteOrder.nativeOrder() == ByteOrder.BIG_ENDIAN && |
3fc907b46313
[SPARC] Fix Partial Escape Analysis for SPARC in Truffle
Stefan Anzinger <stefan.anzinger@oracle.com>
parents:
18867
diff
changeset
|
866 expectedEntryKind.isPrimitive() && |
22536
dc1aeef79e7e
Refactoring: Rename Kind to JavaKind.
Roland Schatz <roland.schatz@oracle.com>
parents:
22516
diff
changeset
|
867 !expectedEntryKind.equals(JavaKind.Void) && |
dc1aeef79e7e
Refactoring: Rename Kind to JavaKind.
Roland Schatz <roland.schatz@oracle.com>
parents:
22516
diff
changeset
|
868 resolvedField.getJavaKind().isPrimitive()) { |
18950
3fc907b46313
[SPARC] Fix Partial Escape Analysis for SPARC in Truffle
Stefan Anzinger <stefan.anzinger@oracle.com>
parents:
18867
diff
changeset
|
869 resolvedFieldOffset += |
22536
dc1aeef79e7e
Refactoring: Rename Kind to JavaKind.
Roland Schatz <roland.schatz@oracle.com>
parents:
22516
diff
changeset
|
870 resolvedField.getJavaKind().getByteCount() - |
dc1aeef79e7e
Refactoring: Rename Kind to JavaKind.
Roland Schatz <roland.schatz@oracle.com>
parents:
22516
diff
changeset
|
871 Math.min(resolvedField.getJavaKind().getByteCount(), 4 + expectedEntryKind.getByteCount()); |
18950
3fc907b46313
[SPARC] Fix Partial Escape Analysis for SPARC in Truffle
Stefan Anzinger <stefan.anzinger@oracle.com>
parents:
18867
diff
changeset
|
872 } |
3fc907b46313
[SPARC] Fix Partial Escape Analysis for SPARC in Truffle
Stefan Anzinger <stefan.anzinger@oracle.com>
parents:
18867
diff
changeset
|
873 if (resolvedFieldOffset == offset) { |
7049
ccade022ec83
virtualization of unsafeload and unsafestore
Lukas Stadler <lukas.stadler@jku.at>
parents:
7037
diff
changeset
|
874 return field; |
ccade022ec83
virtualization of unsafeload and unsafestore
Lukas Stadler <lukas.stadler@jku.at>
parents:
7037
diff
changeset
|
875 } |
18950
3fc907b46313
[SPARC] Fix Partial Escape Analysis for SPARC in Truffle
Stefan Anzinger <stefan.anzinger@oracle.com>
parents:
18867
diff
changeset
|
876 // @formatter:on |
7049
ccade022ec83
virtualization of unsafeload and unsafestore
Lukas Stadler <lukas.stadler@jku.at>
parents:
7037
diff
changeset
|
877 } |
ccade022ec83
virtualization of unsafeload and unsafestore
Lukas Stadler <lukas.stadler@jku.at>
parents:
7037
diff
changeset
|
878 return null; |
ccade022ec83
virtualization of unsafeload and unsafestore
Lukas Stadler <lukas.stadler@jku.at>
parents:
7037
diff
changeset
|
879 } |
7819
aa022eaf1569
class file path retrieval
Michael Haupt <michael.haupt@oracle.com>
parents:
7530
diff
changeset
|
880 |
aa022eaf1569
class file path retrieval
Michael Haupt <michael.haupt@oracle.com>
parents:
7530
diff
changeset
|
881 @Override |
7829
a44887443b0c
support for inner classes (local/member) in meta API
Michael Haupt <michael.haupt@oracle.com>
parents:
7828
diff
changeset
|
882 public boolean isLocal() { |
a44887443b0c
support for inner classes (local/member) in meta API
Michael Haupt <michael.haupt@oracle.com>
parents:
7828
diff
changeset
|
883 return mirror().isLocalClass(); |
a44887443b0c
support for inner classes (local/member) in meta API
Michael Haupt <michael.haupt@oracle.com>
parents:
7828
diff
changeset
|
884 } |
a44887443b0c
support for inner classes (local/member) in meta API
Michael Haupt <michael.haupt@oracle.com>
parents:
7828
diff
changeset
|
885 |
a44887443b0c
support for inner classes (local/member) in meta API
Michael Haupt <michael.haupt@oracle.com>
parents:
7828
diff
changeset
|
886 @Override |
a44887443b0c
support for inner classes (local/member) in meta API
Michael Haupt <michael.haupt@oracle.com>
parents:
7828
diff
changeset
|
887 public boolean isMember() { |
a44887443b0c
support for inner classes (local/member) in meta API
Michael Haupt <michael.haupt@oracle.com>
parents:
7828
diff
changeset
|
888 return mirror().isMemberClass(); |
a44887443b0c
support for inner classes (local/member) in meta API
Michael Haupt <michael.haupt@oracle.com>
parents:
7828
diff
changeset
|
889 } |
a44887443b0c
support for inner classes (local/member) in meta API
Michael Haupt <michael.haupt@oracle.com>
parents:
7828
diff
changeset
|
890 |
a44887443b0c
support for inner classes (local/member) in meta API
Michael Haupt <michael.haupt@oracle.com>
parents:
7828
diff
changeset
|
891 @Override |
18223
17c98fad6980
converted HotSpotResolvedObjectType to an interface
Doug Simon <doug.simon@oracle.com>
parents:
18222
diff
changeset
|
892 public HotSpotResolvedObjectTypeImpl getEnclosingType() { |
7829
a44887443b0c
support for inner classes (local/member) in meta API
Michael Haupt <michael.haupt@oracle.com>
parents:
7828
diff
changeset
|
893 final Class<?> encl = mirror().getEnclosingClass(); |
18167
2bf5ea10eea7
sharpened return types for HotSpot specific Graal API implementations
Doug Simon <doug.simon@oracle.com>
parents:
17156
diff
changeset
|
894 return encl == null ? null : fromObjectClass(encl); |
7829
a44887443b0c
support for inner classes (local/member) in meta API
Michael Haupt <michael.haupt@oracle.com>
parents:
7828
diff
changeset
|
895 } |
9100
d24955427b0b
Remove MetaUtil.getMirrorOrFail; Add necessary functionality to the Graal API so that all previous usages of java.lang.Class can now use ResolvedJavaType
Christian Wimmer <christian.wimmer@oracle.com>
parents:
8959
diff
changeset
|
896 |
d24955427b0b
Remove MetaUtil.getMirrorOrFail; Add necessary functionality to the Graal API so that all previous usages of java.lang.Class can now use ResolvedJavaType
Christian Wimmer <christian.wimmer@oracle.com>
parents:
8959
diff
changeset
|
897 @Override |
d24955427b0b
Remove MetaUtil.getMirrorOrFail; Add necessary functionality to the Graal API so that all previous usages of java.lang.Class can now use ResolvedJavaType
Christian Wimmer <christian.wimmer@oracle.com>
parents:
8959
diff
changeset
|
898 public ResolvedJavaMethod[] getDeclaredConstructors() { |
15040
288c23143d47
Fix most raw type references.
Josef Eisl <josef.eisl@jku.at>
parents:
15018
diff
changeset
|
899 Constructor<?>[] constructors = mirror().getDeclaredConstructors(); |
9100
d24955427b0b
Remove MetaUtil.getMirrorOrFail; Add necessary functionality to the Graal API so that all previous usages of java.lang.Class can now use ResolvedJavaType
Christian Wimmer <christian.wimmer@oracle.com>
parents:
8959
diff
changeset
|
900 ResolvedJavaMethod[] result = new ResolvedJavaMethod[constructors.length]; |
d24955427b0b
Remove MetaUtil.getMirrorOrFail; Add necessary functionality to the Graal API so that all previous usages of java.lang.Class can now use ResolvedJavaType
Christian Wimmer <christian.wimmer@oracle.com>
parents:
8959
diff
changeset
|
901 for (int i = 0; i < constructors.length; i++) { |
21552
9579a3c62a9e
use skeleton findbugs jar containing only SuppresFBWarnings to avoid external dependency for JVMCI classes (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21411
diff
changeset
|
902 result[i] = runtime().getHostJVMCIBackend().getMetaAccess().lookupJavaMethod(constructors[i]); |
9100
d24955427b0b
Remove MetaUtil.getMirrorOrFail; Add necessary functionality to the Graal API so that all previous usages of java.lang.Class can now use ResolvedJavaType
Christian Wimmer <christian.wimmer@oracle.com>
parents:
8959
diff
changeset
|
903 assert result[i].isConstructor(); |
d24955427b0b
Remove MetaUtil.getMirrorOrFail; Add necessary functionality to the Graal API so that all previous usages of java.lang.Class can now use ResolvedJavaType
Christian Wimmer <christian.wimmer@oracle.com>
parents:
8959
diff
changeset
|
904 } |
d24955427b0b
Remove MetaUtil.getMirrorOrFail; Add necessary functionality to the Graal API so that all previous usages of java.lang.Class can now use ResolvedJavaType
Christian Wimmer <christian.wimmer@oracle.com>
parents:
8959
diff
changeset
|
905 return result; |
d24955427b0b
Remove MetaUtil.getMirrorOrFail; Add necessary functionality to the Graal API so that all previous usages of java.lang.Class can now use ResolvedJavaType
Christian Wimmer <christian.wimmer@oracle.com>
parents:
8959
diff
changeset
|
906 } |
d24955427b0b
Remove MetaUtil.getMirrorOrFail; Add necessary functionality to the Graal API so that all previous usages of java.lang.Class can now use ResolvedJavaType
Christian Wimmer <christian.wimmer@oracle.com>
parents:
8959
diff
changeset
|
907 |
d24955427b0b
Remove MetaUtil.getMirrorOrFail; Add necessary functionality to the Graal API so that all previous usages of java.lang.Class can now use ResolvedJavaType
Christian Wimmer <christian.wimmer@oracle.com>
parents:
8959
diff
changeset
|
908 @Override |
d24955427b0b
Remove MetaUtil.getMirrorOrFail; Add necessary functionality to the Graal API so that all previous usages of java.lang.Class can now use ResolvedJavaType
Christian Wimmer <christian.wimmer@oracle.com>
parents:
8959
diff
changeset
|
909 public ResolvedJavaMethod[] getDeclaredMethods() { |
14091
ed92bc6900d5
simplified HotSpotResolvedObjectType.FieldInfo.getType(); encapsulated all access to javaClass in HotSpotResolvedObjectType more
Doug Simon <doug.simon@oracle.com>
parents:
14069
diff
changeset
|
910 Method[] methods = mirror().getDeclaredMethods(); |
9100
d24955427b0b
Remove MetaUtil.getMirrorOrFail; Add necessary functionality to the Graal API so that all previous usages of java.lang.Class can now use ResolvedJavaType
Christian Wimmer <christian.wimmer@oracle.com>
parents:
8959
diff
changeset
|
911 ResolvedJavaMethod[] result = new ResolvedJavaMethod[methods.length]; |
d24955427b0b
Remove MetaUtil.getMirrorOrFail; Add necessary functionality to the Graal API so that all previous usages of java.lang.Class can now use ResolvedJavaType
Christian Wimmer <christian.wimmer@oracle.com>
parents:
8959
diff
changeset
|
912 for (int i = 0; i < methods.length; i++) { |
21552
9579a3c62a9e
use skeleton findbugs jar containing only SuppresFBWarnings to avoid external dependency for JVMCI classes (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21411
diff
changeset
|
913 result[i] = runtime().getHostJVMCIBackend().getMetaAccess().lookupJavaMethod(methods[i]); |
9100
d24955427b0b
Remove MetaUtil.getMirrorOrFail; Add necessary functionality to the Graal API so that all previous usages of java.lang.Class can now use ResolvedJavaType
Christian Wimmer <christian.wimmer@oracle.com>
parents:
8959
diff
changeset
|
914 assert !result[i].isConstructor(); |
d24955427b0b
Remove MetaUtil.getMirrorOrFail; Add necessary functionality to the Graal API so that all previous usages of java.lang.Class can now use ResolvedJavaType
Christian Wimmer <christian.wimmer@oracle.com>
parents:
8959
diff
changeset
|
915 } |
d24955427b0b
Remove MetaUtil.getMirrorOrFail; Add necessary functionality to the Graal API so that all previous usages of java.lang.Class can now use ResolvedJavaType
Christian Wimmer <christian.wimmer@oracle.com>
parents:
8959
diff
changeset
|
916 return result; |
d24955427b0b
Remove MetaUtil.getMirrorOrFail; Add necessary functionality to the Graal API so that all previous usages of java.lang.Class can now use ResolvedJavaType
Christian Wimmer <christian.wimmer@oracle.com>
parents:
8959
diff
changeset
|
917 } |
d24955427b0b
Remove MetaUtil.getMirrorOrFail; Add necessary functionality to the Graal API so that all previous usages of java.lang.Class can now use ResolvedJavaType
Christian Wimmer <christian.wimmer@oracle.com>
parents:
8959
diff
changeset
|
918 |
11952
c0807f5fdca5
added ResolvedJavaType.getClassInititalizer()
Doug Simon <doug.simon@oracle.com>
parents:
11823
diff
changeset
|
919 public ResolvedJavaMethod getClassInitializer() { |
22582
232c53e17ea0
added CompilerToVM.compilerToVM() for static access to the CompilerToVM instance
Doug Simon <doug.simon@oracle.com>
parents:
22581
diff
changeset
|
920 return compilerToVM().getClassInitializer(this); |
9985
e6bd1004082a
added HotSpotResolvedObjectType.getMethods() to get all methods of a class including those (such as <clinit>) not normally exposed by Java reflection
Doug Simon <doug.simon@oracle.com>
parents:
9835
diff
changeset
|
921 } |
e6bd1004082a
added HotSpotResolvedObjectType.getMethods() to get all methods of a class including those (such as <clinit>) not normally exposed by Java reflection
Doug Simon <doug.simon@oracle.com>
parents:
9835
diff
changeset
|
922 |
9100
d24955427b0b
Remove MetaUtil.getMirrorOrFail; Add necessary functionality to the Graal API so that all previous usages of java.lang.Class can now use ResolvedJavaType
Christian Wimmer <christian.wimmer@oracle.com>
parents:
8959
diff
changeset
|
923 @Override |
13305
a63d65b682a8
moved most HotSpotResolvedJavaMethod.getExceptionHandlers logic to Java
twisti
parents:
13295
diff
changeset
|
924 public String toString() { |
15730
920b7bb058a6
Simplify HotSpotUnresolvedJavaType, harmonize toString for HotSpotUnresolvedJavaType and HotSpotResolvedObjectType
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15726
diff
changeset
|
925 return "HotSpotType<" + getName() + ", resolved>"; |
13305
a63d65b682a8
moved most HotSpotResolvedJavaMethod.getExceptionHandlers logic to Java
twisti
parents:
13295
diff
changeset
|
926 } |
17156
ac6e25901d62
Add trusted interface concept and use it for WordBase, fix a NPE and some tests
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
16615
diff
changeset
|
927 |
ac6e25901d62
Add trusted interface concept and use it for WordBase, fix a NPE and some tests
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
16615
diff
changeset
|
928 @Override |
23373
802821d82a92
Rename isAllocationCloneable to isCloneableWithAllocation
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
23366
diff
changeset
|
929 public boolean isCloneableWithAllocation() { |
23357
b05ad394cfd5
Add ResolvedJavaType.isAllocationClonable
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
23354
diff
changeset
|
930 return (getAccessFlags() & config().jvmAccIsCloneable) != 0; |
b05ad394cfd5
Add ResolvedJavaType.isAllocationClonable
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
23354
diff
changeset
|
931 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
932 } |