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annotate jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl.java @ 23393:1d4ce2d19e52

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clean up and minimize JVMCI (JDK-8156835)
author Doug Simon <doug.simon@oracle.com>
date Thu, 12 May 2016 20:57:31 +0200
parents b3a816d3b844
children f60746f36f3f 7ef84c807bfe
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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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65 private HashMap<Long, HotSpotResolvedJavaField> fieldCache;
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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*.
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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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98 *
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99 * <p>
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100 * <b>NOTE</b>: Creating an instance of this class does not install the mirror for the
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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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104 *
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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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parents: 18534
diff changeset
131 }
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3884a98ebcde consistently use HotSpotVMConfig.config() for static access to the HotSpotVMConfig instance
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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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diff changeset
135 public long getMetaspacePointer() {
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136 return getMetaspaceKlass();
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parents: 22432
diff changeset
137 }
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diff changeset
138
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139 @Override
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Christian Wimmer <christian.wimmer@oracle.com>
parents: 6430
diff changeset
140 public int getModifiers() {
22011
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parents: 21798
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141 if (isArray()) {
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142 return (getElementalType().getModifiers() & (Modifier.PUBLIC | Modifier.PRIVATE | Modifier.PROTECTED)) | Modifier.FINAL | Modifier.ABSTRACT;
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diff changeset
143 } else {
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144 return getAccessFlags() & ModifiersProvider.jvmClassModifiers();
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145 }
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146 }
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147
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diff changeset
148 public int getAccessFlags() {
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diff changeset
149 HotSpotVMConfig config = config();
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diff changeset
150 return UNSAFE.getInt(getMetaspaceKlass() + config.klassAccessFlagsOffset);
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151 }
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152
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parents:
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153 @Override
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diff changeset
154 public HotSpotResolvedObjectType getArrayClass() {
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parents:
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155 if (arrayOfType == null) {
18167
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parents: 17156
diff changeset
156 arrayOfType = fromObjectClass(Array.newInstance(mirror(), 0).getClass());
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157 }
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158 return arrayOfType;
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159 }
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160
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161 @Override
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parents: 6430
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162 public ResolvedJavaType getComponentType() {
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parents: 15018
diff changeset
163 Class<?> javaComponentType = mirror().getComponentType();
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164 return javaComponentType == null ? null : runtime().fromClass(javaComponentType);
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165 }
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166
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167 @Override
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168 public AssumptionResult<ResolvedJavaType> findLeafConcreteSubtype() {
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169 if (isLeaf()) {
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170 // No assumptions are required.
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171 return new AssumptionResult<>(this);
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172 }
22581
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diff changeset
173 HotSpotVMConfig config = config();
7060
06d5f450f32b rename: ResolvedJavaType.isArrayClass() -> ResolvedJavaType.isArray()
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174 if (isArray()) {
23338
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175 ResolvedJavaType elementalType = getElementalType();
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176 AssumptionResult<ResolvedJavaType> elementType = elementalType.findLeafConcreteSubtype();
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177 if (elementType != null && elementType.getResult().equals(elementalType)) {
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178 /*
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179 * If the elementType is leaf then the array is leaf under the same assumptions but
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180 * only if the element type is exactly the leaf type. The element type can be
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181 * abstract even if there is only one implementor of the abstract type.
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182 */
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183 AssumptionResult<ResolvedJavaType> result = new AssumptionResult<>(this);
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184 result.add(elementType);
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185 return result;
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186 }
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187 return null;
7225
31c4d9f9e922 adder better CHA support
Christian Haeubl <haeubl@ssw.jku.at>
parents: 7221
diff changeset
188 } else if (isInterface()) {
19801
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189 HotSpotResolvedObjectTypeImpl implementor = getSingleImplementor();
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190 /*
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191 * If the implementor field contains itself that indicates that the interface has more
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diff changeset
192 * than one implementors (see: InstanceKlass::add_implementor).
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193 */
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194 if (implementor == null || implementor.equals(this)) {
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195 return null;
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196 }
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197
19801
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198 assert !implementor.isInterface();
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199 if (implementor.isAbstract() || !implementor.isLeafClass()) {
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diff changeset
200 AssumptionResult<ResolvedJavaType> leafConcreteSubtype = implementor.findLeafConcreteSubtype();
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diff changeset
201 if (leafConcreteSubtype != null) {
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diff changeset
202 assert !leafConcreteSubtype.getResult().equals(implementor);
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diff changeset
203 AssumptionResult<ResolvedJavaType> newResult = new AssumptionResult<>(leafConcreteSubtype.getResult(), new ConcreteSubtype(this, implementor));
20009
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204 // Accumulate leaf assumptions and return the combined result.
19801
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diff changeset
205 newResult.add(leafConcreteSubtype);
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diff changeset
206 return newResult;
19801
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diff changeset
207 }
13478
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diff changeset
208 return null;
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diff changeset
209 }
23340
22c3bdf28fff Don't generate LeafType assumptions for isLeaf == true types
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diff changeset
210 return concreteSubtype(implementor);
4433
b494d6f329a3 some more checkcast opts
Lukas Stadler <lukas.stadler@jku.at>
parents: 4220
diff changeset
211 } else {
18223
17c98fad6980 converted HotSpotResolvedObjectType to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18222
diff changeset
212 HotSpotResolvedObjectTypeImpl type = this;
15311
820c6d353358 added ModifiersProvider as superinterface for ResolvedJava[Method|Field|Type] and implemented all checks against modifiers as default methods
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parents: 15291
diff changeset
213 while (type.isAbstract()) {
22454
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diff changeset
214 HotSpotResolvedObjectTypeImpl subklass = type.getSubklass();
22542
15579668ec3a renamed constant field to UNSAFE
Doug Simon <doug.simon@oracle.com>
parents: 22541
diff changeset
215 if (subklass == null || UNSAFE.getAddress(subklass.getMetaspaceKlass() + config.nextSiblingOffset) != 0) {
7037
dd81042f4eb1 added unit tests for ResolvedJavaType
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diff changeset
216 return null;
dd81042f4eb1 added unit tests for ResolvedJavaType
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parents: 7030
diff changeset
217 }
22454
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diff changeset
218 type = subklass;
7037
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Doug Simon <doug.simon@oracle.com>
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diff changeset
219 }
15311
820c6d353358 added ModifiersProvider as superinterface for ResolvedJava[Method|Field|Type] and implemented all checks against modifiers as default methods
Doug Simon <doug.simon@oracle.com>
parents: 15291
diff changeset
220 if (type.isAbstract() || type.isInterface() || !type.isLeafClass()) {
7037
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diff changeset
221 return null;
dd81042f4eb1 added unit tests for ResolvedJavaType
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parents: 7030
diff changeset
222 }
19801
deab43a789ad Split LeafType off from ConcreteSubtype
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diff changeset
223 if (this.isAbstract()) {
23340
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diff changeset
224 return concreteSubtype(type);
19801
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diff changeset
225 } else {
deab43a789ad Split LeafType off from ConcreteSubtype
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parents: 19800
diff changeset
226 assert this.equals(type);
deab43a789ad Split LeafType off from ConcreteSubtype
Tom Rodriguez <tom.rodriguez@oracle.com>
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diff changeset
227 return new AssumptionResult<>(type, new LeafType(type));
deab43a789ad Split LeafType off from ConcreteSubtype
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diff changeset
228 }
4433
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Lukas Stadler <lukas.stadler@jku.at>
parents: 4220
diff changeset
229 }
3733
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diff changeset
230 }
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
231
23340
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diff changeset
232 private AssumptionResult<ResolvedJavaType> concreteSubtype(HotSpotResolvedObjectTypeImpl type) {
22c3bdf28fff Don't generate LeafType assumptions for isLeaf == true types
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diff changeset
233 if (type.isLeaf()) {
22c3bdf28fff Don't generate LeafType assumptions for isLeaf == true types
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diff changeset
234 return new AssumptionResult<>(type, new ConcreteSubtype(this, type));
22c3bdf28fff Don't generate LeafType assumptions for isLeaf == true types
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diff changeset
235 } else {
22c3bdf28fff Don't generate LeafType assumptions for isLeaf == true types
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diff changeset
236 return new AssumptionResult<>(type, new LeafType(type), new ConcreteSubtype(this, type));
22c3bdf28fff Don't generate LeafType assumptions for isLeaf == true types
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diff changeset
237 }
22c3bdf28fff Don't generate LeafType assumptions for isLeaf == true types
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parents: 23338
diff changeset
238 }
22c3bdf28fff Don't generate LeafType assumptions for isLeaf == true types
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diff changeset
239
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diff changeset
240 /**
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241 * Returns if type {@code type} is a leaf class. This is the case if the
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diff changeset
242 * {@code Klass::_subklass} field of the underlying class is zero.
14980
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diff changeset
243 *
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244 * @return true if the type is a leaf class
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diff changeset
245 */
fe03864a2c72 replaced CompilerToVM.getUniqueImplementor with getKlassImplementor and moved the logic into Java
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diff changeset
246 private boolean isLeafClass() {
22454
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diff changeset
247 return getSubklass() == null;
13478
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diff changeset
248 }
fe03864a2c72 replaced CompilerToVM.getUniqueImplementor with getKlassImplementor and moved the logic into Java
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diff changeset
249
fe03864a2c72 replaced CompilerToVM.getUniqueImplementor with getKlassImplementor and moved the logic into Java
twisti
parents: 13375
diff changeset
250 /**
fe03864a2c72 replaced CompilerToVM.getUniqueImplementor with getKlassImplementor and moved the logic into Java
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diff changeset
251 * Returns the {@code Klass::_subklass} field of the underlying metaspace klass for the given
fe03864a2c72 replaced CompilerToVM.getUniqueImplementor with getKlassImplementor and moved the logic into Java
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diff changeset
252 * type {@code type}.
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253 *
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254 * @return value of the subklass field as metaspace klass pointer
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diff changeset
255 */
22454
76af33d4d504 Make jvmci redefinition safe
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parents: 22432
diff changeset
256 private HotSpotResolvedObjectTypeImpl getSubklass() {
22582
232c53e17ea0 added CompilerToVM.compilerToVM() for static access to the CompilerToVM instance
Doug Simon <doug.simon@oracle.com>
parents: 22581
diff changeset
257 return compilerToVM().getResolvedJavaType(this, config().subklassOffset, false);
13478
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diff changeset
258 }
fe03864a2c72 replaced CompilerToVM.getUniqueImplementor with getKlassImplementor and moved the logic into Java
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diff changeset
259
3733
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parents:
diff changeset
260 @Override
18223
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Doug Simon <doug.simon@oracle.com>
parents: 18222
diff changeset
261 public HotSpotResolvedObjectTypeImpl getSuperclass() {
15040
288c23143d47 Fix most raw type references.
Josef Eisl <josef.eisl@jku.at>
parents: 15018
diff changeset
262 Class<?> javaSuperclass = mirror().getSuperclass();
22505
575eb1036ea9 fixed all existing -Xlint warnings
Doug Simon <doug.simon@oracle.com>
parents: 22455
diff changeset
263 return javaSuperclass == null ? null : fromObjectClass(javaSuperclass);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
264 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
265
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
266 @Override
18223
17c98fad6980 converted HotSpotResolvedObjectType to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18222
diff changeset
267 public HotSpotResolvedObjectTypeImpl[] getInterfaces() {
6699
d79098b9db3b Support for interfaces in the Graal API: Make interfaces implemented by a ResolvedJavaType available; change semantics of ResolvedJavaType.getSuperclass to return null for interfaces (to conform with java.lang.Class); change semantics of ResolvedJavaType.isInstanceClass to return false for interfaces.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6588
diff changeset
268 if (interfaces == null) {
15040
288c23143d47 Fix most raw type references.
Josef Eisl <josef.eisl@jku.at>
parents: 15018
diff changeset
269 Class<?>[] javaInterfaces = mirror().getInterfaces();
18223
17c98fad6980 converted HotSpotResolvedObjectType to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18222
diff changeset
270 HotSpotResolvedObjectTypeImpl[] result = new HotSpotResolvedObjectTypeImpl[javaInterfaces.length];
6699
d79098b9db3b Support for interfaces in the Graal API: Make interfaces implemented by a ResolvedJavaType available; change semantics of ResolvedJavaType.getSuperclass to return null for interfaces (to conform with java.lang.Class); change semantics of ResolvedJavaType.isInstanceClass to return false for interfaces.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6588
diff changeset
271 for (int i = 0; i < javaInterfaces.length; i++) {
18167
2bf5ea10eea7 sharpened return types for HotSpot specific Graal API implementations
Doug Simon <doug.simon@oracle.com>
parents: 17156
diff changeset
272 result[i] = fromObjectClass(javaInterfaces[i]);
6699
d79098b9db3b Support for interfaces in the Graal API: Make interfaces implemented by a ResolvedJavaType available; change semantics of ResolvedJavaType.getSuperclass to return null for interfaces (to conform with java.lang.Class); change semantics of ResolvedJavaType.isInstanceClass to return false for interfaces.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6588
diff changeset
273 }
d79098b9db3b Support for interfaces in the Graal API: Make interfaces implemented by a ResolvedJavaType available; change semantics of ResolvedJavaType.getSuperclass to return null for interfaces (to conform with java.lang.Class); change semantics of ResolvedJavaType.isInstanceClass to return false for interfaces.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6588
diff changeset
274 interfaces = result;
d79098b9db3b Support for interfaces in the Graal API: Make interfaces implemented by a ResolvedJavaType available; change semantics of ResolvedJavaType.getSuperclass to return null for interfaces (to conform with java.lang.Class); change semantics of ResolvedJavaType.isInstanceClass to return false for interfaces.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6588
diff changeset
275 }
d79098b9db3b Support for interfaces in the Graal API: Make interfaces implemented by a ResolvedJavaType available; change semantics of ResolvedJavaType.getSuperclass to return null for interfaces (to conform with java.lang.Class); change semantics of ResolvedJavaType.isInstanceClass to return false for interfaces.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6588
diff changeset
276 return interfaces;
d79098b9db3b Support for interfaces in the Graal API: Make interfaces implemented by a ResolvedJavaType available; change semantics of ResolvedJavaType.getSuperclass to return null for interfaces (to conform with java.lang.Class); change semantics of ResolvedJavaType.isInstanceClass to return false for interfaces.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6588
diff changeset
277 }
d79098b9db3b Support for interfaces in the Graal API: Make interfaces implemented by a ResolvedJavaType available; change semantics of ResolvedJavaType.getSuperclass to return null for interfaces (to conform with java.lang.Class); change semantics of ResolvedJavaType.isInstanceClass to return false for interfaces.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6588
diff changeset
278
18182
e8c54fd622a4 Add ResolvedJavaType.getImplementor().
Josef Eisl <josef.eisl@jku.at>
parents: 18176
diff changeset
279 @Override
18223
17c98fad6980 converted HotSpotResolvedObjectType to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18222
diff changeset
280 public HotSpotResolvedObjectTypeImpl getSingleImplementor() {
18182
e8c54fd622a4 Add ResolvedJavaType.getImplementor().
Josef Eisl <josef.eisl@jku.at>
parents: 18176
diff changeset
281 if (!isInterface()) {
23392
b3a816d3b844 Backed out changeset: a920338dd4d4
Doug Simon <doug.simon@oracle.com>
parents: 23387
diff changeset
282 throw new JVMCIError("Cannot call getSingleImplementor() on a non-interface type: %s", this);
18182
e8c54fd622a4 Add ResolvedJavaType.getImplementor().
Josef Eisl <josef.eisl@jku.at>
parents: 18176
diff changeset
283 }
22582
232c53e17ea0 added CompilerToVM.compilerToVM() for static access to the CompilerToVM instance
Doug Simon <doug.simon@oracle.com>
parents: 22581
diff changeset
284 return compilerToVM().getImplementor(this);
18182
e8c54fd622a4 Add ResolvedJavaType.getImplementor().
Josef Eisl <josef.eisl@jku.at>
parents: 18176
diff changeset
285 }
e8c54fd622a4 Add ResolvedJavaType.getImplementor().
Josef Eisl <josef.eisl@jku.at>
parents: 18176
diff changeset
286
18223
17c98fad6980 converted HotSpotResolvedObjectType to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18222
diff changeset
287 public HotSpotResolvedObjectTypeImpl getSupertype() {
7060
06d5f450f32b rename: ResolvedJavaType.isArrayClass() -> ResolvedJavaType.isArray()
Doug Simon <doug.simon@oracle.com>
parents: 7059
diff changeset
288 if (isArray()) {
7037
dd81042f4eb1 added unit tests for ResolvedJavaType
Doug Simon <doug.simon@oracle.com>
parents: 7030
diff changeset
289 ResolvedJavaType componentType = getComponentType();
14091
ed92bc6900d5 simplified HotSpotResolvedObjectType.FieldInfo.getType(); encapsulated all access to javaClass in HotSpotResolvedObjectType more
Doug Simon <doug.simon@oracle.com>
parents: 14069
diff changeset
290 if (mirror() == Object[].class || componentType.isPrimitive()) {
18167
2bf5ea10eea7 sharpened return types for HotSpot specific Graal API implementations
Doug Simon <doug.simon@oracle.com>
parents: 17156
diff changeset
291 return fromObjectClass(Object.class);
7037
dd81042f4eb1 added unit tests for ResolvedJavaType
Doug Simon <doug.simon@oracle.com>
parents: 7030
diff changeset
292 }
18223
17c98fad6980 converted HotSpotResolvedObjectType to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18222
diff changeset
293 return (HotSpotResolvedObjectTypeImpl) ((HotSpotResolvedObjectTypeImpl) componentType).getSupertype().getArrayClass();
7037
dd81042f4eb1 added unit tests for ResolvedJavaType
Doug Simon <doug.simon@oracle.com>
parents: 7030
diff changeset
294 }
dd81042f4eb1 added unit tests for ResolvedJavaType
Doug Simon <doug.simon@oracle.com>
parents: 7030
diff changeset
295 if (isInterface()) {
18167
2bf5ea10eea7 sharpened return types for HotSpot specific Graal API implementations
Doug Simon <doug.simon@oracle.com>
parents: 17156
diff changeset
296 return fromObjectClass(Object.class);
7037
dd81042f4eb1 added unit tests for ResolvedJavaType
Doug Simon <doug.simon@oracle.com>
parents: 7030
diff changeset
297 }
dd81042f4eb1 added unit tests for ResolvedJavaType
Doug Simon <doug.simon@oracle.com>
parents: 7030
diff changeset
298 return getSuperclass();
dd81042f4eb1 added unit tests for ResolvedJavaType
Doug Simon <doug.simon@oracle.com>
parents: 7030
diff changeset
299 }
dd81042f4eb1 added unit tests for ResolvedJavaType
Doug Simon <doug.simon@oracle.com>
parents: 7030
diff changeset
300
6699
d79098b9db3b Support for interfaces in the Graal API: Make interfaces implemented by a ResolvedJavaType available; change semantics of ResolvedJavaType.getSuperclass to return null for interfaces (to conform with java.lang.Class); change semantics of ResolvedJavaType.isInstanceClass to return false for interfaces.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6588
diff changeset
301 @Override
18223
17c98fad6980 converted HotSpotResolvedObjectType to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18222
diff changeset
302 public HotSpotResolvedObjectType findLeastCommonAncestor(ResolvedJavaType otherType) {
7059
e4d9f153934f removed ResolvedJavaType.toJava() and introduced ResolvedJavaType.isPrimitive()
Doug Simon <doug.simon@oracle.com>
parents: 7057
diff changeset
303 if (otherType.isPrimitive()) {
4635
f35c183f33ce fixed checkcast when inlining more than one method
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4484
diff changeset
304 return null;
f35c183f33ce fixed checkcast when inlining more than one method
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4484
diff changeset
305 } else {
18223
17c98fad6980 converted HotSpotResolvedObjectType to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18222
diff changeset
306 HotSpotResolvedObjectTypeImpl t1 = this;
17c98fad6980 converted HotSpotResolvedObjectType to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18222
diff changeset
307 HotSpotResolvedObjectTypeImpl t2 = (HotSpotResolvedObjectTypeImpl) otherType;
7037
dd81042f4eb1 added unit tests for ResolvedJavaType
Doug Simon <doug.simon@oracle.com>
parents: 7030
diff changeset
308 while (true) {
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7359
diff changeset
309 if (t1.isAssignableFrom(t2)) {
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7359
diff changeset
310 return t1;
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7359
diff changeset
311 }
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7359
diff changeset
312 if (t2.isAssignableFrom(t1)) {
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7359
diff changeset
313 return t2;
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7359
diff changeset
314 }
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7359
diff changeset
315 t1 = t1.getSupertype();
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7359
diff changeset
316 t2 = t2.getSupertype();
7037
dd81042f4eb1 added unit tests for ResolvedJavaType
Doug Simon <doug.simon@oracle.com>
parents: 7030
diff changeset
317 }
4635
f35c183f33ce fixed checkcast when inlining more than one method
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4484
diff changeset
318 }
f35c183f33ce fixed checkcast when inlining more than one method
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4484
diff changeset
319 }
f35c183f33ce fixed checkcast when inlining more than one method
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4484
diff changeset
320
f35c183f33ce fixed checkcast when inlining more than one method
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4484
diff changeset
321 @Override
19800
3362ba500371 Connect required Assumptions with answer to CHA query
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 19743
diff changeset
322 public AssumptionResult<Boolean> hasFinalizableSubclass() {
9126
bc26f978b0ce HotSpotResolvedObjectType: implement hasFinalizeSubclass() correctly
Bernhard Urban <bernhard.urban@jku.at>
parents: 9100
diff changeset
323 assert !isArray();
22582
232c53e17ea0 added CompilerToVM.compilerToVM() for static access to the CompilerToVM instance
Doug Simon <doug.simon@oracle.com>
parents: 22581
diff changeset
324 if (!compilerToVM().hasFinalizableSubclass(this)) {
19801
deab43a789ad Split LeafType off from ConcreteSubtype
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 19800
diff changeset
325 return new AssumptionResult<>(false, new NoFinalizableSubclass(this));
19800
3362ba500371 Connect required Assumptions with answer to CHA query
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 19743
diff changeset
326 }
3362ba500371 Connect required Assumptions with answer to CHA query
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 19743
diff changeset
327 return new AssumptionResult<>(true);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
328 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
329
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
330 @Override
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
331 public boolean hasFinalizer() {
22581
3884a98ebcde consistently use HotSpotVMConfig.config() for static access to the HotSpotVMConfig instance
Doug Simon <doug.simon@oracle.com>
parents: 22569
diff changeset
332 HotSpotVMConfig config = config();
6950
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
333 return (getAccessFlags() & config.klassHasFinalizerFlag) != 0;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
334 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
335
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
336 @Override
7059
e4d9f153934f removed ResolvedJavaType.toJava() and introduced ResolvedJavaType.isPrimitive()
Doug Simon <doug.simon@oracle.com>
parents: 7057
diff changeset
337 public boolean isPrimitive() {
e4d9f153934f removed ResolvedJavaType.toJava() and introduced ResolvedJavaType.isPrimitive()
Doug Simon <doug.simon@oracle.com>
parents: 7057
diff changeset
338 return false;
e4d9f153934f removed ResolvedJavaType.toJava() and introduced ResolvedJavaType.isPrimitive()
Doug Simon <doug.simon@oracle.com>
parents: 7057
diff changeset
339 }
e4d9f153934f removed ResolvedJavaType.toJava() and introduced ResolvedJavaType.isPrimitive()
Doug Simon <doug.simon@oracle.com>
parents: 7057
diff changeset
340
e4d9f153934f removed ResolvedJavaType.toJava() and introduced ResolvedJavaType.isPrimitive()
Doug Simon <doug.simon@oracle.com>
parents: 7057
diff changeset
341 @Override
7060
06d5f450f32b rename: ResolvedJavaType.isArrayClass() -> ResolvedJavaType.isArray()
Doug Simon <doug.simon@oracle.com>
parents: 7059
diff changeset
342 public boolean isArray() {
14091
ed92bc6900d5 simplified HotSpotResolvedObjectType.FieldInfo.getType(); encapsulated all access to javaClass in HotSpotResolvedObjectType more
Doug Simon <doug.simon@oracle.com>
parents: 14069
diff changeset
343 return mirror().isArray();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
344 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
345
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
346 @Override
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
347 public boolean isInitialized() {
22581
3884a98ebcde consistently use HotSpotVMConfig.config() for static access to the HotSpotVMConfig instance
Doug Simon <doug.simon@oracle.com>
parents: 22569
diff changeset
348 return isArray() ? true : getInitState() == config().instanceKlassStateFullyInitialized;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
349 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
350
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
351 @Override
11520
7cca436d600b Add isLinked method to ResolvedJavaType
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 11431
diff changeset
352 public boolean isLinked() {
22581
3884a98ebcde consistently use HotSpotVMConfig.config() for static access to the HotSpotVMConfig instance
Doug Simon <doug.simon@oracle.com>
parents: 22569
diff changeset
353 return isArray() ? true : getInitState() >= config().instanceKlassStateLinked;
13259
b16fb0b7479b every HotSpotResolvedJavaMethod needs its own constant pool
twisti
parents: 13258
diff changeset
354 }
b16fb0b7479b every HotSpotResolvedJavaMethod needs its own constant pool
twisti
parents: 13258
diff changeset
355
b16fb0b7479b every HotSpotResolvedJavaMethod needs its own constant pool
twisti
parents: 13258
diff changeset
356 /**
b16fb0b7479b every HotSpotResolvedJavaMethod needs its own constant pool
twisti
parents: 13258
diff changeset
357 * Returns the value of the state field {@code InstanceKlass::_init_state} of the metaspace
b16fb0b7479b every HotSpotResolvedJavaMethod needs its own constant pool
twisti
parents: 13258
diff changeset
358 * klass.
14980
a00b26a70011 use JDK 8 features for some TODOs
twisti
parents: 14604
diff changeset
359 *
13259
b16fb0b7479b every HotSpotResolvedJavaMethod needs its own constant pool
twisti
parents: 13258
diff changeset
360 * @return state field value of this type
b16fb0b7479b every HotSpotResolvedJavaMethod needs its own constant pool
twisti
parents: 13258
diff changeset
361 */
16386
9ce3b1efc4e7 InstanceKlass::_init_state only exists for InstanceKlasses
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 16384
diff changeset
362 private int getInitState() {
9ce3b1efc4e7 InstanceKlass::_init_state only exists for InstanceKlasses
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 16384
diff changeset
363 assert !isArray() : "_init_state only exists in InstanceKlass";
22581
3884a98ebcde consistently use HotSpotVMConfig.config() for static access to the HotSpotVMConfig instance
Doug Simon <doug.simon@oracle.com>
parents: 22569
diff changeset
364 return UNSAFE.getByte(getMetaspaceKlass() + config().instanceKlassInitStateOffset) & 0xFF;
11520
7cca436d600b Add isLinked method to ResolvedJavaType
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 11431
diff changeset
365 }
7cca436d600b Add isLinked method to ResolvedJavaType
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 11431
diff changeset
366
7cca436d600b Add isLinked method to ResolvedJavaType
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 11431
diff changeset
367 @Override
6549
15e04f248d6b Add functionality to initialize a type
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6539
diff changeset
368 public void initialize() {
13214
3f34b8f91cc5 moved CompilerToVM.isTypeInitialized and isTypeLinked to Java
twisti
parents: 12559
diff changeset
369 if (!isInitialized()) {
22542
15579668ec3a renamed constant field to UNSAFE
Doug Simon <doug.simon@oracle.com>
parents: 22541
diff changeset
370 UNSAFE.ensureClassInitialized(mirror());
13214
3f34b8f91cc5 moved CompilerToVM.isTypeInitialized and isTypeLinked to Java
twisti
parents: 12559
diff changeset
371 assert isInitialized();
6549
15e04f248d6b Add functionality to initialize a type
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6539
diff changeset
372 }
15e04f248d6b Add functionality to initialize a type
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6539
diff changeset
373 }
15e04f248d6b Add functionality to initialize a type
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6539
diff changeset
374
15e04f248d6b Add functionality to initialize a type
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6539
diff changeset
375 @Override
18187
9619ba4daf4c Rename Constant to JavaConstant.
Roland Schatz <roland.schatz@oracle.com>
parents: 18182
diff changeset
376 public boolean isInstance(JavaConstant obj) {
22536
dc1aeef79e7e Refactoring: Rename Kind to JavaKind.
Roland Schatz <roland.schatz@oracle.com>
parents: 22516
diff changeset
377 if (obj.getJavaKind() == JavaKind.Object && !obj.isNull()) {
18290
e7d219e9d01f removed HotSpotObjectConstantImpl.asObject()
Doug Simon <doug.simon@oracle.com>
parents: 18266
diff changeset
378 return mirror().isInstance(((HotSpotObjectConstantImpl) obj).object());
7015
62818f156081 added ResolvedJavaType.isClass(Class c) to replace some uses of ResolvedJavaType.toJava()
Doug Simon <doug.simon@oracle.com>
parents: 6996
diff changeset
379 }
62818f156081 added ResolvedJavaType.isClass(Class c) to replace some uses of ResolvedJavaType.toJava()
Doug Simon <doug.simon@oracle.com>
parents: 6996
diff changeset
380 return false;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
381 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
382
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
383 @Override
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
384 public boolean isInstanceClass() {
7060
06d5f450f32b rename: ResolvedJavaType.isArrayClass() -> ResolvedJavaType.isArray()
Doug Simon <doug.simon@oracle.com>
parents: 7059
diff changeset
385 return !isArray() && !isInterface();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
386 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
387
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
388 @Override
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
389 public boolean isInterface() {
14091
ed92bc6900d5 simplified HotSpotResolvedObjectType.FieldInfo.getType(); encapsulated all access to javaClass in HotSpotResolvedObjectType more
Doug Simon <doug.simon@oracle.com>
parents: 14069
diff changeset
390 return mirror().isInterface();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
391 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
392
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
393 @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
394 public boolean isAssignableFrom(ResolvedJavaType other) {
9835
fcfedd3dd2eb ResolvedJavaType.isAssignableFrom must not be called with null argument. Check that with assertions in HotSpot implementation.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9289
diff changeset
395 assert other != null;
18223
17c98fad6980 converted HotSpotResolvedObjectType to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18222
diff changeset
396 if (other instanceof HotSpotResolvedObjectTypeImpl) {
17c98fad6980 converted HotSpotResolvedObjectType to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18222
diff changeset
397 HotSpotResolvedObjectTypeImpl otherType = (HotSpotResolvedObjectTypeImpl) other;
14091
ed92bc6900d5 simplified HotSpotResolvedObjectType.FieldInfo.getType(); encapsulated all access to javaClass in HotSpotResolvedObjectType more
Doug Simon <doug.simon@oracle.com>
parents: 14069
diff changeset
398 return mirror().isAssignableFrom(otherType.mirror());
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
399 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
400 return false;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
401 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
402
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
403 @Override
16491
4d7a9829315e moved isJavaLangObject(ResolvedJavaType type) from MetaUtil to be a default method in ResolvedJavaType
Doug Simon <doug.simon@oracle.com>
parents: 16476
diff changeset
404 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
405 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
406 }
4d7a9829315e moved isJavaLangObject(ResolvedJavaType type) from MetaUtil to be a default method in ResolvedJavaType
Doug Simon <doug.simon@oracle.com>
parents: 16476
diff changeset
407
4d7a9829315e moved isJavaLangObject(ResolvedJavaType type) from MetaUtil to be a default method in ResolvedJavaType
Doug Simon <doug.simon@oracle.com>
parents: 16476
diff changeset
408 @Override
22536
dc1aeef79e7e Refactoring: Rename Kind to JavaKind.
Roland Schatz <roland.schatz@oracle.com>
parents: 22516
diff changeset
409 public JavaKind getJavaKind() {
dc1aeef79e7e Refactoring: Rename Kind to JavaKind.
Roland Schatz <roland.schatz@oracle.com>
parents: 22516
diff changeset
410 return JavaKind.Object;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
411 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
412
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
413 @Override
23347
7ae6a635fad0 8152903: [JVMCI] CompilerToVM::resolveMethod should correctly handle private methods in interfaces
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 23340
diff changeset
414 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
415 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
416 if (isInterface()) {
7ae6a635fad0 8152903: [JVMCI] CompilerToVM::resolveMethod should correctly handle private methods in interfaces
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 23340
diff changeset
417 // 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
418 return null;
5d7b90ab9787 Ensure that uniqueConcreteMethod is called with a resolved concrete method
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 16184
diff changeset
419 }
18823
5a21cac1968f Add utilities ModifiersProvider#isConcrete, ResolvedJavaMethod#hasReceiver, ResolvedJavaMethod#hasBytecodes to Graal API.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 18789
diff changeset
420 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
421 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
422 }
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
423 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
424 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
425 }
18222
a8cff27ca2e1 converted HotSpotResolvedJavaMethod to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18194
diff changeset
426 HotSpotResolvedJavaMethodImpl hotSpotMethod = (HotSpotResolvedJavaMethodImpl) method;
18223
17c98fad6980 converted HotSpotResolvedObjectType to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18222
diff changeset
427 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
428 return compilerToVM().resolveMethod(this, hotSpotMethod, hotSpotCallerType);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
429 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
430
22454
76af33d4d504 Make jvmci redefinition safe
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 22432
diff changeset
431 public HotSpotConstantPool getConstantPool() {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
432 if (constantPool == null) {
22582
232c53e17ea0 added CompilerToVM.compilerToVM() for static access to the CompilerToVM instance
Doug Simon <doug.simon@oracle.com>
parents: 22581
diff changeset
433 constantPool = compilerToVM().getConstantPool(this, config().instanceKlassConstantsOffset);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
434 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
435 return constantPool;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
436 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
437
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
438 /**
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7359
diff changeset
439 * 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
440 * 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
441 * 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: 5554
diff changeset
442 */
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
443 public int instanceSize() {
7060
06d5f450f32b rename: ResolvedJavaType.isArrayClass() -> ResolvedJavaType.isArray()
Doug Simon <doug.simon@oracle.com>
parents: 7059
diff changeset
444 assert !isArray();
6950
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
445 assert !isInterface();
13261
0ffe9e4bb364 don't go through VM to create HotSpotResolvedObjectType (part 1)
twisti
parents: 13260
diff changeset
446
22581
3884a98ebcde consistently use HotSpotVMConfig.config() for static access to the HotSpotVMConfig instance
Doug Simon <doug.simon@oracle.com>
parents: 22569
diff changeset
447 HotSpotVMConfig config = config();
22254
efeabef8df70 Improve DynamicNewArrayNode code generation
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 22165
diff changeset
448 final int layoutHelper = layoutHelper();
13261
0ffe9e4bb364 don't go through VM to create HotSpotResolvedObjectType (part 1)
twisti
parents: 13260
diff changeset
449 assert layoutHelper > config.klassLayoutHelperNeutralValue : "must be instance";
0ffe9e4bb364 don't go through VM to create HotSpotResolvedObjectType (part 1)
twisti
parents: 13260
diff changeset
450
0ffe9e4bb364 don't go through VM to create HotSpotResolvedObjectType (part 1)
twisti
parents: 13260
diff changeset
451 // See: Klass::layout_helper_size_in_bytes
0ffe9e4bb364 don't go through VM to create HotSpotResolvedObjectType (part 1)
twisti
parents: 13260
diff changeset
452 int size = layoutHelper & ~config.klassLayoutHelperInstanceSlowPathBit;
0ffe9e4bb364 don't go through VM to create HotSpotResolvedObjectType (part 1)
twisti
parents: 13260
diff changeset
453
0ffe9e4bb364 don't go through VM to create HotSpotResolvedObjectType (part 1)
twisti
parents: 13260
diff changeset
454 // See: Klass::layout_helper_needs_slow_path
0ffe9e4bb364 don't go through VM to create HotSpotResolvedObjectType (part 1)
twisti
parents: 13260
diff changeset
455 boolean needsSlowPath = (layoutHelper & config.klassLayoutHelperInstanceSlowPathBit) != 0;
0ffe9e4bb364 don't go through VM to create HotSpotResolvedObjectType (part 1)
twisti
parents: 13260
diff changeset
456
0ffe9e4bb364 don't go through VM to create HotSpotResolvedObjectType (part 1)
twisti
parents: 13260
diff changeset
457 return needsSlowPath ? -size : size;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
458 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
459
22254
efeabef8df70 Improve DynamicNewArrayNode code generation
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 22165
diff changeset
460 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
461 HotSpotVMConfig config = config();
22542
15579668ec3a renamed constant field to UNSAFE
Doug Simon <doug.simon@oracle.com>
parents: 22541
diff changeset
462 return UNSAFE.getInt(getMetaspaceKlass() + config.klassLayoutHelperOffset);
22254
efeabef8df70 Improve DynamicNewArrayNode code generation
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 22165
diff changeset
463 }
efeabef8df70 Improve DynamicNewArrayNode code generation
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 22165
diff changeset
464
22454
76af33d4d504 Make jvmci redefinition safe
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 22432
diff changeset
465 synchronized HotSpotResolvedJavaMethod createMethod(long metaspaceMethod) {
76af33d4d504 Make jvmci redefinition safe
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 22432
diff changeset
466 HotSpotResolvedJavaMethodImpl method = null;
6950
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
467 if (methodCache == null) {
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
468 methodCache = new HashMap<>(8);
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
469 } else {
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
470 method = methodCache.get(metaspaceMethod);
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
471 }
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
472 if (method == null) {
18222
a8cff27ca2e1 converted HotSpotResolvedJavaMethod to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18194
diff changeset
473 method = new HotSpotResolvedJavaMethodImpl(this, metaspaceMethod);
6950
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
474 methodCache.put(metaspaceMethod, method);
22454
76af33d4d504 Make jvmci redefinition safe
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 22432
diff changeset
475 context.add(method);
6950
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
476 }
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
477 return method;
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
478 }
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
479
16615
3812931f9350 Don't read beyond end of known vtable
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 16575
diff changeset
480 public int getVtableLength() {
22581
3884a98ebcde consistently use HotSpotVMConfig.config() for static access to the HotSpotVMConfig instance
Doug Simon <doug.simon@oracle.com>
parents: 22569
diff changeset
481 HotSpotVMConfig config = config();
16615
3812931f9350 Don't read beyond end of known vtable
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 16575
diff changeset
482 if (isInterface() || isArray()) {
3812931f9350 Don't read beyond end of known vtable
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 16575
diff changeset
483 /* Everything has the core vtable of java.lang.Object */
3812931f9350 Don't read beyond end of known vtable
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 16575
diff changeset
484 return config.baseVtableLength;
3812931f9350 Don't read beyond end of known vtable
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 16575
diff changeset
485 }
22542
15579668ec3a renamed constant field to UNSAFE
Doug Simon <doug.simon@oracle.com>
parents: 22541
diff changeset
486 int result = UNSAFE.getInt(getMetaspaceKlass() + config.instanceKlassVtableLengthOffset) / (config.vtableEntrySize / config.heapWordSize);
15579668ec3a renamed constant field to UNSAFE
Doug Simon <doug.simon@oracle.com>
parents: 22541
diff changeset
487 assert result >= config.baseVtableLength : UNSAFE.getInt(getMetaspaceKlass() + config.instanceKlassVtableLengthOffset) + " " + config.vtableEntrySize;
16615
3812931f9350 Don't read beyond end of known vtable
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 16575
diff changeset
488 return result;
3812931f9350 Don't read beyond end of known vtable
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 16575
diff changeset
489 }
3812931f9350 Don't read beyond end of known vtable
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 16575
diff changeset
490
23375
3f70efb8f473 Make HotSpotResolvedObjectTypeImpl.createField internal.
Roland Schatz <roland.schatz@oracle.com>
parents: 23374
diff changeset
491 synchronized HotSpotResolvedJavaField createField(String fieldName, JavaType type, long offset, int rawFlags) {
14012
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
492 HotSpotResolvedJavaField result = null;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
493
22011
4c9d4fe1cbd8 Add ModifiersProvider.isSynthetic, isVarArgs and isBridge.
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents: 21798
diff changeset
494 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
495
14012
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
496 final long id = offset + ((long) flags << 32);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
497
22551
71ea8d7db665 removed author tags in comments
Doug Simon <doug.simon@oracle.com>
parents: 22542
diff changeset
498 // Must cache the fields, because the local load elimination only works if the
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7359
diff changeset
499 // objects from two field lookups are identical.
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
500 if (fieldCache == null) {
4142
bc8527f3071c Adjust code base to new level of warnings.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 3733
diff changeset
501 fieldCache = new HashMap<>(8);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
502 } else {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
503 result = fieldCache.get(id);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
504 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
505
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
506 if (result == null) {
18264
e28aa8468d5e converted HotSpotResolvedJavaField to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18262
diff changeset
507 result = new HotSpotResolvedJavaFieldImpl(this, fieldName, type, offset, rawFlags);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
508 fieldCache.put(id, result);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
509 } 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
510 assert result.getName().equals(fieldName);
23375
3f70efb8f473 Make HotSpotResolvedObjectTypeImpl.createField internal.
Roland Schatz <roland.schatz@oracle.com>
parents: 23374
diff changeset
511 /*
3f70efb8f473 Make HotSpotResolvedObjectTypeImpl.createField internal.
Roland Schatz <roland.schatz@oracle.com>
parents: 23374
diff changeset
512 * 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
513 * 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
514 * 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
515 */
3f70efb8f473 Make HotSpotResolvedObjectTypeImpl.createField internal.
Roland Schatz <roland.schatz@oracle.com>
parents: 23374
diff changeset
516 assert result.getType().getName().equals(type.getName());
14012
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
517 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
518 assert result.getModifiers() == flags;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
519 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
520
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
521 return result;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
522 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
523
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
524 @Override
19800
3362ba500371 Connect required Assumptions with answer to CHA query
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 19743
diff changeset
525 public AssumptionResult<ResolvedJavaMethod> findUniqueConcreteMethod(ResolvedJavaMethod method) {
16184
8fde32ece68e use receiver type in findUniqueConcreteMethod
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 15839
diff changeset
526 HotSpotResolvedJavaMethod hmethod = (HotSpotResolvedJavaMethod) method;
18323
301c5e3d683a removed *Impl types in signatures of Remote interfaces
Doug Simon <doug.simon@oracle.com>
parents: 18290
diff changeset
527 HotSpotResolvedObjectType declaredHolder = hmethod.getDeclaringClass();
16184
8fde32ece68e use receiver type in findUniqueConcreteMethod
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 15839
diff changeset
528 /*
8fde32ece68e use receiver type in findUniqueConcreteMethod
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 15839
diff changeset
529 * 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
530 * 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
531 * 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
532 * 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
533 * 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
534 */
16384
5d7b90ab9787 Ensure that uniqueConcreteMethod is called with a resolved concrete method
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 16184
diff changeset
535 if (!declaredHolder.isAssignableFrom(this) || this.isArray() || this.equals(declaredHolder) || !isLinked() || isInterface()) {
19800
3362ba500371 Connect required Assumptions with answer to CHA query
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 19743
diff changeset
536 ResolvedJavaMethod result = hmethod.uniqueConcreteMethod(declaredHolder);
3362ba500371 Connect required Assumptions with answer to CHA query
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 19743
diff changeset
537 if (result != null) {
19801
deab43a789ad Split LeafType off from ConcreteSubtype
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 19800
diff changeset
538 return new AssumptionResult<>(result, new ConcreteMethod(method, declaredHolder, result));
19800
3362ba500371 Connect required Assumptions with answer to CHA query
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 19743
diff changeset
539 }
3362ba500371 Connect required Assumptions with answer to CHA query
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 19743
diff changeset
540 return null;
16184
8fde32ece68e use receiver type in findUniqueConcreteMethod
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 15839
diff changeset
541 }
8fde32ece68e use receiver type in findUniqueConcreteMethod
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 15839
diff changeset
542 /*
18789
3ed3f2b4d777 comment fixes
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 18556
diff changeset
543 * 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
544 * the correct method for the subtype.
8fde32ece68e use receiver type in findUniqueConcreteMethod
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 15839
diff changeset
545 */
22165
af6cc957bf04 Remove dummy parameter `includeAbstract` from `ResolvedJavaType#resolveMethod()`;
Josef Eisl <josef.eisl@jku.at>
parents: 22054
diff changeset
546 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
547 if (resolvedMethod == null) {
5d7b90ab9787 Ensure that uniqueConcreteMethod is called with a resolved concrete method
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 16184
diff changeset
548 // 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
549 return null;
16184
8fde32ece68e use receiver type in findUniqueConcreteMethod
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 15839
diff changeset
550 }
8fde32ece68e use receiver type in findUniqueConcreteMethod
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 15839
diff changeset
551
19800
3362ba500371 Connect required Assumptions with answer to CHA query
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 19743
diff changeset
552 ResolvedJavaMethod result = resolvedMethod.uniqueConcreteMethod(this);
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, this, result));
19800
3362ba500371 Connect required Assumptions with answer to CHA query
Tom Rodriguez <tom.rodriguez@oracle.com>
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;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
557 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
558
14012
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
559 /**
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
560 * This class represents the field information for one field contained in the fields array of an
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
561 * {@code InstanceKlass}. The implementation is similar to the native {@code FieldInfo} class.
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
562 */
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
563 private class FieldInfo {
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
564 /**
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
565 * Native pointer into the array of Java shorts.
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
566 */
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
567 private final long metaspaceData;
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
568
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
569 /**
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
570 * Creates a field info for the field in the fields array at index {@code index}.
14980
a00b26a70011 use JDK 8 features for some TODOs
twisti
parents: 14604
diff changeset
571 *
14012
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
572 * @param index index to the fields array
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
573 */
23297
4b58c92e939b remove redundant modifiers
Manuel Rigger <rigger.manuel@gmail.com>
parents: 23290
diff changeset
574 FieldInfo(int index) {
22581
3884a98ebcde consistently use HotSpotVMConfig.config() for static access to the HotSpotVMConfig instance
Doug Simon <doug.simon@oracle.com>
parents: 22569
diff changeset
575 HotSpotVMConfig config = config();
14012
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
576 // Get Klass::_fields
22542
15579668ec3a renamed constant field to UNSAFE
Doug Simon <doug.simon@oracle.com>
parents: 22541
diff changeset
577 final long metaspaceFields = UNSAFE.getAddress(getMetaspaceKlass() + config.instanceKlassFieldsOffset);
14012
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
578 assert config.fieldInfoFieldSlots == 6 : "revisit the field parsing code";
14980
a00b26a70011 use JDK 8 features for some TODOs
twisti
parents: 14604
diff changeset
579 metaspaceData = metaspaceFields + config.arrayU2DataOffset + config.fieldInfoFieldSlots * Short.BYTES * index;
14012
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
580 }
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
581
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
582 private int getAccessFlags() {
22581
3884a98ebcde consistently use HotSpotVMConfig.config() for static access to the HotSpotVMConfig instance
Doug Simon <doug.simon@oracle.com>
parents: 22569
diff changeset
583 return readFieldSlot(config().fieldInfoAccessFlagsOffset);
14012
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
584 }
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
585
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
586 private int getNameIndex() {
22581
3884a98ebcde consistently use HotSpotVMConfig.config() for static access to the HotSpotVMConfig instance
Doug Simon <doug.simon@oracle.com>
parents: 22569
diff changeset
587 return readFieldSlot(config().fieldInfoNameIndexOffset);
14012
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
588 }
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
589
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
590 private int getSignatureIndex() {
22581
3884a98ebcde consistently use HotSpotVMConfig.config() for static access to the HotSpotVMConfig instance
Doug Simon <doug.simon@oracle.com>
parents: 22569
diff changeset
591 return readFieldSlot(config().fieldInfoSignatureIndexOffset);
14012
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
592 }
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
593
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
594 public int getOffset() {
22581
3884a98ebcde consistently use HotSpotVMConfig.config() for static access to the HotSpotVMConfig instance
Doug Simon <doug.simon@oracle.com>
parents: 22569
diff changeset
595 HotSpotVMConfig config = config();
14012
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
596 final int lowPacked = readFieldSlot(config.fieldInfoLowPackedOffset);
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
597 final int highPacked = readFieldSlot(config.fieldInfoHighPackedOffset);
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
598 final int offset = ((highPacked << Short.SIZE) | lowPacked) >> config.fieldInfoTagSize;
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
599 return offset;
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
600 }
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
601
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
602 /**
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
603 * Helper method to read an entry (slot) from the field array. Currently field info is laid
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
604 * on top an array of Java shorts.
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
605 */
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
606 private int readFieldSlot(int index) {
22542
15579668ec3a renamed constant field to UNSAFE
Doug Simon <doug.simon@oracle.com>
parents: 22541
diff changeset
607 return UNSAFE.getChar(metaspaceData + Short.BYTES * index);
14012
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
608 }
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
609
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
610 /**
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
611 * Returns the name of this field as a {@link String}. If the field is an internal field the
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
612 * name index is pointing into the vmSymbols table.
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
613 */
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
614 public String getName() {
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
615 final int nameIndex = getNameIndex();
23336
90da61843aa4 Backout removal of HotSpotVMSymbols class.
Roland Schatz <roland.schatz@oracle.com>
parents: 23322
diff changeset
616 return isInternal() ? HotSpotVmSymbols.symbolAt(nameIndex) : getConstantPool().lookupUtf8(nameIndex);
14012
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
617 }
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
618
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
619 /**
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
620 * Returns the signature of this field as {@link String}. If the field is an internal field
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
621 * the signature index is pointing into the vmSymbols table.
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
622 */
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
623 public String getSignature() {
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
624 final int signatureIndex = getSignatureIndex();
23336
90da61843aa4 Backout removal of HotSpotVMSymbols class.
Roland Schatz <roland.schatz@oracle.com>
parents: 23322
diff changeset
625 return isInternal() ? HotSpotVmSymbols.symbolAt(signatureIndex) : getConstantPool().lookupUtf8(signatureIndex);
14012
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
626 }
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
627
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
628 public JavaType getType() {
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
629 String signature = getSignature();
18223
17c98fad6980 converted HotSpotResolvedObjectType to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18222
diff changeset
630 return runtime().lookupType(signature, HotSpotResolvedObjectTypeImpl.this, false);
14012
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
631 }
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
632
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
633 private boolean isInternal() {
22581
3884a98ebcde consistently use HotSpotVMConfig.config() for static access to the HotSpotVMConfig instance
Doug Simon <doug.simon@oracle.com>
parents: 22569
diff changeset
634 return (getAccessFlags() & config().jvmAccFieldInternal) != 0;
14012
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
635 }
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
636
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
637 public boolean isStatic() {
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
638 return Modifier.isStatic(getAccessFlags());
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
639 }
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
640
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
641 public boolean hasGenericSignature() {
22581
3884a98ebcde consistently use HotSpotVMConfig.config() for static access to the HotSpotVMConfig instance
Doug Simon <doug.simon@oracle.com>
parents: 22569
diff changeset
642 return (getAccessFlags() & config().jvmAccFieldHasGenericSignature) != 0;
14012
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
643 }
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
644 }
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
645
18222
a8cff27ca2e1 converted HotSpotResolvedJavaMethod to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18194
diff changeset
646 private static class OffsetComparator implements java.util.Comparator<HotSpotResolvedJavaField> {
7136
4f62a7fa7f9f sort the fields returned by getInstanceFields by offset
Lukas Stadler <lukas.stadler@jku.at>
parents: 7128
diff changeset
647 @Override
4f62a7fa7f9f sort the fields returned by getInstanceFields by offset
Lukas Stadler <lukas.stadler@jku.at>
parents: 7128
diff changeset
648 public int compare(HotSpotResolvedJavaField o1, HotSpotResolvedJavaField o2) {
4f62a7fa7f9f sort the fields returned by getInstanceFields by offset
Lukas Stadler <lukas.stadler@jku.at>
parents: 7128
diff changeset
649 return o1.offset() - o2.offset();
4f62a7fa7f9f sort the fields returned by getInstanceFields by offset
Lukas Stadler <lukas.stadler@jku.at>
parents: 7128
diff changeset
650 }
4f62a7fa7f9f sort the fields returned by getInstanceFields by offset
Lukas Stadler <lukas.stadler@jku.at>
parents: 7128
diff changeset
651 }
4f62a7fa7f9f sort the fields returned by getInstanceFields by offset
Lukas Stadler <lukas.stadler@jku.at>
parents: 7128
diff changeset
652
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
653 @Override
6950
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
654 public ResolvedJavaField[] getInstanceFields(boolean includeSuperclasses) {
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
655 if (instanceFields == null) {
7060
06d5f450f32b rename: ResolvedJavaType.isArrayClass() -> ResolvedJavaType.isArray()
Doug Simon <doug.simon@oracle.com>
parents: 7059
diff changeset
656 if (isArray() || isInterface()) {
6950
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
657 instanceFields = new HotSpotResolvedJavaField[0];
6293
6550737d7807 an empty array is now returned by ResolvedJavaType.declaredFields() for array and primitive types
Doug Simon <doug.simon@oracle.com>
parents: 6277
diff changeset
658 } else {
14012
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
659 final int fieldCount = getFieldCount();
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
660 ArrayList<HotSpotResolvedJavaField> fieldsArray = new ArrayList<>(fieldCount);
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
661
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
662 for (int i = 0; i < fieldCount; i++) {
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
663 FieldInfo field = new FieldInfo(i);
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
664
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
665 // We are only interested in instance fields.
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
666 if (!field.isStatic()) {
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
667 HotSpotResolvedJavaField resolvedJavaField = createField(field.getName(), field.getType(), field.getOffset(), field.getAccessFlags());
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
668 fieldsArray.add(resolvedJavaField);
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
669 }
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
670 }
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
671
14980
a00b26a70011 use JDK 8 features for some TODOs
twisti
parents: 14604
diff changeset
672 fieldsArray.sort(new OffsetComparator());
14012
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
673
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
674 HotSpotResolvedJavaField[] myFields = fieldsArray.toArray(new HotSpotResolvedJavaField[0]);
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
675
14091
ed92bc6900d5 simplified HotSpotResolvedObjectType.FieldInfo.getType(); encapsulated all access to javaClass in HotSpotResolvedObjectType more
Doug Simon <doug.simon@oracle.com>
parents: 14069
diff changeset
676 if (mirror() != Object.class) {
6950
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
677 HotSpotResolvedJavaField[] superFields = (HotSpotResolvedJavaField[]) getSuperclass().getInstanceFields(true);
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
678 HotSpotResolvedJavaField[] fields = Arrays.copyOf(superFields, superFields.length + myFields.length);
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
679 System.arraycopy(myFields, 0, fields, superFields.length, myFields.length);
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
680 instanceFields = fields;
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
681 } else {
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
682 assert myFields.length == 0 : "java.lang.Object has fields!";
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
683 instanceFields = myFields;
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
684 }
14012
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
685
6293
6550737d7807 an empty array is now returned by ResolvedJavaType.declaredFields() for array and primitive types
Doug Simon <doug.simon@oracle.com>
parents: 6277
diff changeset
686 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
687 }
6950
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
688 if (!includeSuperclasses) {
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
689 int myFieldsStart = 0;
14158
fd7fcd2d2072 replaced == with .equals() for comparisons between JavaMethod/JavaField/JavaType values
Doug Simon <doug.simon@oracle.com>
parents: 14105
diff changeset
690 while (myFieldsStart < instanceFields.length && !instanceFields[myFieldsStart].getDeclaringClass().equals(this)) {
6950
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
691 myFieldsStart++;
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
692 }
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
693 if (myFieldsStart == 0) {
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
694 return instanceFields;
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
695 }
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
696 if (myFieldsStart == instanceFields.length) {
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
697 return new HotSpotResolvedJavaField[0];
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
698 }
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
699 return Arrays.copyOfRange(instanceFields, myFieldsStart, instanceFields.length);
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
700 }
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6699
diff changeset
701 return instanceFields;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
702 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
703
15839
2838203d4231 Add method ResolvedJavaType.getStaticFields
Christian Wimmer <christian.wimmer@oracle.com>
parents: 15730
diff changeset
704 @Override
2838203d4231 Add method ResolvedJavaType.getStaticFields
Christian Wimmer <christian.wimmer@oracle.com>
parents: 15730
diff changeset
705 public ResolvedJavaField[] getStaticFields() {
2838203d4231 Add method ResolvedJavaType.getStaticFields
Christian Wimmer <christian.wimmer@oracle.com>
parents: 15730
diff changeset
706 if (isArray()) {
2838203d4231 Add method ResolvedJavaType.getStaticFields
Christian Wimmer <christian.wimmer@oracle.com>
parents: 15730
diff changeset
707 return new HotSpotResolvedJavaField[0];
2838203d4231 Add method ResolvedJavaType.getStaticFields
Christian Wimmer <christian.wimmer@oracle.com>
parents: 15730
diff changeset
708 } else {
2838203d4231 Add method ResolvedJavaType.getStaticFields
Christian Wimmer <christian.wimmer@oracle.com>
parents: 15730
diff changeset
709 final int fieldCount = getFieldCount();
2838203d4231 Add method ResolvedJavaType.getStaticFields
Christian Wimmer <christian.wimmer@oracle.com>
parents: 15730
diff changeset
710 ArrayList<HotSpotResolvedJavaField> fieldsArray = new ArrayList<>(fieldCount);
2838203d4231 Add method ResolvedJavaType.getStaticFields
Christian Wimmer <christian.wimmer@oracle.com>
parents: 15730
diff changeset
711
2838203d4231 Add method ResolvedJavaType.getStaticFields
Christian Wimmer <christian.wimmer@oracle.com>
parents: 15730
diff changeset
712 for (int i = 0; i < fieldCount; i++) {
2838203d4231 Add method ResolvedJavaType.getStaticFields
Christian Wimmer <christian.wimmer@oracle.com>
parents: 15730
diff changeset
713 FieldInfo field = new FieldInfo(i);
2838203d4231 Add method ResolvedJavaType.getStaticFields
Christian Wimmer <christian.wimmer@oracle.com>
parents: 15730
diff changeset
714
2838203d4231 Add method ResolvedJavaType.getStaticFields
Christian Wimmer <christian.wimmer@oracle.com>
parents: 15730
diff changeset
715 // We are only interested in static fields.
2838203d4231 Add method ResolvedJavaType.getStaticFields
Christian Wimmer <christian.wimmer@oracle.com>
parents: 15730
diff changeset
716 if (field.isStatic()) {
2838203d4231 Add method ResolvedJavaType.getStaticFields
Christian Wimmer <christian.wimmer@oracle.com>
parents: 15730
diff changeset
717 HotSpotResolvedJavaField resolvedJavaField = createField(field.getName(), field.getType(), field.getOffset(), field.getAccessFlags());
2838203d4231 Add method ResolvedJavaType.getStaticFields
Christian Wimmer <christian.wimmer@oracle.com>
parents: 15730
diff changeset
718 fieldsArray.add(resolvedJavaField);
2838203d4231 Add method ResolvedJavaType.getStaticFields
Christian Wimmer <christian.wimmer@oracle.com>
parents: 15730
diff changeset
719 }
2838203d4231 Add method ResolvedJavaType.getStaticFields
Christian Wimmer <christian.wimmer@oracle.com>
parents: 15730
diff changeset
720 }
2838203d4231 Add method ResolvedJavaType.getStaticFields
Christian Wimmer <christian.wimmer@oracle.com>
parents: 15730
diff changeset
721
2838203d4231 Add method ResolvedJavaType.getStaticFields
Christian Wimmer <christian.wimmer@oracle.com>
parents: 15730
diff changeset
722 fieldsArray.sort(new OffsetComparator());
2838203d4231 Add method ResolvedJavaType.getStaticFields
Christian Wimmer <christian.wimmer@oracle.com>
parents: 15730
diff changeset
723 return fieldsArray.toArray(new HotSpotResolvedJavaField[fieldsArray.size()]);
2838203d4231 Add method ResolvedJavaType.getStaticFields
Christian Wimmer <christian.wimmer@oracle.com>
parents: 15730
diff changeset
724 }
2838203d4231 Add method ResolvedJavaType.getStaticFields
Christian Wimmer <christian.wimmer@oracle.com>
parents: 15730
diff changeset
725 }
2838203d4231 Add method ResolvedJavaType.getStaticFields
Christian Wimmer <christian.wimmer@oracle.com>
parents: 15730
diff changeset
726
14012
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
727 /**
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
728 * Returns the actual field count of this class's internal {@code InstanceKlass::_fields} array
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
729 * by walking the array and discounting the generic signature slots at the end of the array.
14980
a00b26a70011 use JDK 8 features for some TODOs
twisti
parents: 14604
diff changeset
730 *
14012
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
731 * <p>
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
732 * See {@code FieldStreamBase::init_generic_signature_start_slot}
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
733 */
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
734 private int getFieldCount() {
22581
3884a98ebcde consistently use HotSpotVMConfig.config() for static access to the HotSpotVMConfig instance
Doug Simon <doug.simon@oracle.com>
parents: 22569
diff changeset
735 HotSpotVMConfig config = config();
22542
15579668ec3a renamed constant field to UNSAFE
Doug Simon <doug.simon@oracle.com>
parents: 22541
diff changeset
736 final long metaspaceFields = UNSAFE.getAddress(getMetaspaceKlass() + config.instanceKlassFieldsOffset);
15579668ec3a renamed constant field to UNSAFE
Doug Simon <doug.simon@oracle.com>
parents: 22541
diff changeset
737 int metaspaceFieldsLength = UNSAFE.getInt(metaspaceFields + config.arrayU1LengthOffset);
14012
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
738 int fieldCount = 0;
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
739
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
740 for (int i = 0, index = 0; i < metaspaceFieldsLength; i += config.fieldInfoFieldSlots, index++) {
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
741 FieldInfo field = new FieldInfo(index);
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
742 if (field.hasGenericSignature()) {
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
743 metaspaceFieldsLength--;
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
744 }
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
745 fieldCount++;
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
746 }
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
747 return fieldCount;
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
748 }
1f34717ccafa remove CompilerToVM.getInstanceFields
twisti
parents: 13823
diff changeset
749
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
750 @Override
7053
014727292ae0 removed more usages of ResolvedJavaType.toJava()
Doug Simon <doug.simon@oracle.com>
parents: 7045
diff changeset
751 public Class<?> mirror() {
13261
0ffe9e4bb364 don't go through VM to create HotSpotResolvedObjectType (part 1)
twisti
parents: 13260
diff changeset
752 return javaClass;
7053
014727292ae0 removed more usages of ResolvedJavaType.toJava()
Doug Simon <doug.simon@oracle.com>
parents: 7045
diff changeset
753 }
014727292ae0 removed more usages of ResolvedJavaType.toJava()
Doug Simon <doug.simon@oracle.com>
parents: 7045
diff changeset
754
014727292ae0 removed more usages of ResolvedJavaType.toJava()
Doug Simon <doug.simon@oracle.com>
parents: 7045
diff changeset
755 @Override
7307
dc3e86fd3be1 Introduce cutomization capability for canonicalizer.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7226
diff changeset
756 public String getSourceFileName() {
22581
3884a98ebcde consistently use HotSpotVMConfig.config() for static access to the HotSpotVMConfig instance
Doug Simon <doug.simon@oracle.com>
parents: 22569
diff changeset
757 HotSpotVMConfig config = config();
22542
15579668ec3a renamed constant field to UNSAFE
Doug Simon <doug.simon@oracle.com>
parents: 22541
diff changeset
758 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
759 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
760 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
761 }
22454
76af33d4d504 Make jvmci redefinition safe
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 22432
diff changeset
762 return getConstantPool().lookupUtf8(sourceFileNameIndex);
7307
dc3e86fd3be1 Introduce cutomization capability for canonicalizer.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7226
diff changeset
763 }
dc3e86fd3be1 Introduce cutomization capability for canonicalizer.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7226
diff changeset
764
dc3e86fd3be1 Introduce cutomization capability for canonicalizer.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7226
diff changeset
765 @Override
22432
e4f0d819fe22 Add getAnnotations() method to ResolvedJavaType and ResolvedJavaField
Christian Wimmer <christian.wimmer@oracle.com>
parents: 22422
diff changeset
766 public Annotation[] getAnnotations() {
e4f0d819fe22 Add getAnnotations() method to ResolvedJavaType and ResolvedJavaField
Christian Wimmer <christian.wimmer@oracle.com>
parents: 22422
diff changeset
767 return mirror().getAnnotations();
e4f0d819fe22 Add getAnnotations() method to ResolvedJavaType and ResolvedJavaField
Christian Wimmer <christian.wimmer@oracle.com>
parents: 22422
diff changeset
768 }
e4f0d819fe22 Add getAnnotations() method to ResolvedJavaType and ResolvedJavaField
Christian Wimmer <christian.wimmer@oracle.com>
parents: 22422
diff changeset
769
e4f0d819fe22 Add getAnnotations() method to ResolvedJavaType and ResolvedJavaField
Christian Wimmer <christian.wimmer@oracle.com>
parents: 22422
diff changeset
770 @Override
23376
ae27c683c128 Make ResolvedJava* types extend AnnotatedElement.
Roland Schatz <roland.schatz@oracle.com>
parents: 23375
diff changeset
771 public Annotation[] getDeclaredAnnotations() {
ae27c683c128 Make ResolvedJava* types extend AnnotatedElement.
Roland Schatz <roland.schatz@oracle.com>
parents: 23375
diff changeset
772 return mirror().getDeclaredAnnotations();
ae27c683c128 Make ResolvedJava* types extend AnnotatedElement.
Roland Schatz <roland.schatz@oracle.com>
parents: 23375
diff changeset
773 }
ae27c683c128 Make ResolvedJava* types extend AnnotatedElement.
Roland Schatz <roland.schatz@oracle.com>
parents: 23375
diff changeset
774
ae27c683c128 Make ResolvedJava* types extend AnnotatedElement.
Roland Schatz <roland.schatz@oracle.com>
parents: 23375
diff changeset
775 @Override
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
776 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
777 return mirror().getAnnotation(annotationClass);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
778 }
4484
14a00ee82980 Implement eager type resolving.
Andreas Woess <andreas.woess@jku.at>
parents: 4433
diff changeset
779
16492
8853b9304083 made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents: 16491
diff changeset
780 /**
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
781 * 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
782 * 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
783 * {@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
784 * {@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
785 * re-resolving} the type.
16492
8853b9304083 made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents: 16491
diff changeset
786 */
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
787 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
788 assert accessingClass != null;
8853b9304083 made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents: 16491
diff changeset
789 ResolvedJavaType elementType = getElementalType();
8853b9304083 made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents: 16491
diff changeset
790 if (elementType.isPrimitive()) {
8853b9304083 made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents: 16491
diff changeset
791 // 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
792 return true;
8853b9304083 made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents: 16491
diff changeset
793 }
8853b9304083 made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents: 16491
diff changeset
794 if (elementType.getName().startsWith("Ljava/")) {
8853b9304083 made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents: 16491
diff changeset
795 // 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
796 // 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
797 assert mirror().getClassLoader() == null;
8853b9304083 made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents: 16491
diff changeset
798 return true;
8853b9304083 made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents: 16491
diff changeset
799 }
8853b9304083 made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents: 16491
diff changeset
800 ClassLoader thisCl = mirror().getClassLoader();
18223
17c98fad6980 converted HotSpotResolvedObjectType to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18222
diff changeset
801 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
802 return thisCl == accessingClassCl;
8853b9304083 made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents: 16491
diff changeset
803 }
8853b9304083 made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents: 16491
diff changeset
804
4484
14a00ee82980 Implement eager type resolving.
Andreas Woess <andreas.woess@jku.at>
parents: 4433
diff changeset
805 @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
806 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
807 if (isDefinitelyResolvedWithRespectTo(requireNonNull(accessingClass))) {
16492
8853b9304083 made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents: 16491
diff changeset
808 return this;
8853b9304083 made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents: 16491
diff changeset
809 }
18223
17c98fad6980 converted HotSpotResolvedObjectType to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18222
diff changeset
810 HotSpotResolvedObjectTypeImpl accessingType = (HotSpotResolvedObjectTypeImpl) accessingClass;
16492
8853b9304083 made type resolution require an accessing class context
Doug Simon <doug.simon@oracle.com>
parents: 16491
diff changeset
811 return (ResolvedJavaType) runtime().lookupType(getName(), accessingType, true);
4484
14a00ee82980 Implement eager type resolving.
Andreas Woess <andreas.woess@jku.at>
parents: 4433
diff changeset
812 }
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
813
7037
dd81042f4eb1 added unit tests for ResolvedJavaType
Doug Simon <doug.simon@oracle.com>
parents: 7030
diff changeset
814 /**
18187
9619ba4daf4c Rename Constant to JavaConstant.
Roland Schatz <roland.schatz@oracle.com>
parents: 18182
diff changeset
815 * 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
816 */
22556
6821ef65ef4c HotSpotMetaspaceConstantImpl is not a PrimitiveConstant.
Roland Schatz <roland.schatz@oracle.com>
parents: 22551
diff changeset
817 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
818 return HotSpotMetaspaceConstantImpl.forMetaspaceObject(this, false);
12559
ae412befde21 read HotSpotVMConfig fields from HotSpot's vmStructs via annotations
twisti
parents: 12456
diff changeset
819 }
ae412befde21 read HotSpotVMConfig fields from HotSpot's vmStructs via annotations
twisti
parents: 12456
diff changeset
820
5466
af07e798947d lifted fast subtype check into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents: 5326
diff changeset
821 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
822 return config().secondarySuperCacheOffset != superCheckOffset();
5466
af07e798947d lifted fast subtype check into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents: 5326
diff changeset
823 }
af07e798947d lifted fast subtype check into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents: 5326
diff changeset
824
af07e798947d lifted fast subtype check into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents: 5326
diff changeset
825 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
826 HotSpotVMConfig config = config();
22542
15579668ec3a renamed constant field to UNSAFE
Doug Simon <doug.simon@oracle.com>
parents: 22541
diff changeset
827 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
828 }
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
829
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
830 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
831 HotSpotVMConfig config = config();
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
832 if (isArray()) {
12559
ae412befde21 read HotSpotVMConfig fields from HotSpot's vmStructs via annotations
twisti
parents: 12456
diff changeset
833 return config.arrayPrototypeMarkWord();
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
834 } else {
22542
15579668ec3a renamed constant field to UNSAFE
Doug Simon <doug.simon@oracle.com>
parents: 22541
diff changeset
835 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
836 }
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
837 }
7049
ccade022ec83 virtualization of unsafeload and unsafestore
Lukas Stadler <lukas.stadler@jku.at>
parents: 7037
diff changeset
838
ccade022ec83 virtualization of unsafeload and unsafestore
Lukas Stadler <lukas.stadler@jku.at>
parents: 7037
diff changeset
839 @Override
22536
dc1aeef79e7e Refactoring: Rename Kind to JavaKind.
Roland Schatz <roland.schatz@oracle.com>
parents: 22516
diff changeset
840 public ResolvedJavaField findInstanceFieldWithOffset(long offset, JavaKind expectedEntryKind) {
7049
ccade022ec83 virtualization of unsafeload and unsafestore
Lukas Stadler <lukas.stadler@jku.at>
parents: 7037
diff changeset
841 ResolvedJavaField[] declaredFields = getInstanceFields(true);
ccade022ec83 virtualization of unsafeload and unsafestore
Lukas Stadler <lukas.stadler@jku.at>
parents: 7037
diff changeset
842 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
843 HotSpotResolvedJavaField resolvedField = (HotSpotResolvedJavaField) field;
3fc907b46313 [SPARC] Fix Partial Escape Analysis for SPARC in Truffle
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 18867
diff changeset
844 long resolvedFieldOffset = resolvedField.offset();
3fc907b46313 [SPARC] Fix Partial Escape Analysis for SPARC in Truffle
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 18867
diff changeset
845 // @formatter:off
3fc907b46313 [SPARC] Fix Partial Escape Analysis for SPARC in Truffle
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 18867
diff changeset
846 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
847 expectedEntryKind.isPrimitive() &&
22536
dc1aeef79e7e Refactoring: Rename Kind to JavaKind.
Roland Schatz <roland.schatz@oracle.com>
parents: 22516
diff changeset
848 !expectedEntryKind.equals(JavaKind.Void) &&
dc1aeef79e7e Refactoring: Rename Kind to JavaKind.
Roland Schatz <roland.schatz@oracle.com>
parents: 22516
diff changeset
849 resolvedField.getJavaKind().isPrimitive()) {
18950
3fc907b46313 [SPARC] Fix Partial Escape Analysis for SPARC in Truffle
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 18867
diff changeset
850 resolvedFieldOffset +=
22536
dc1aeef79e7e Refactoring: Rename Kind to JavaKind.
Roland Schatz <roland.schatz@oracle.com>
parents: 22516
diff changeset
851 resolvedField.getJavaKind().getByteCount() -
dc1aeef79e7e Refactoring: Rename Kind to JavaKind.
Roland Schatz <roland.schatz@oracle.com>
parents: 22516
diff changeset
852 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
853 }
3fc907b46313 [SPARC] Fix Partial Escape Analysis for SPARC in Truffle
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 18867
diff changeset
854 if (resolvedFieldOffset == offset) {
7049
ccade022ec83 virtualization of unsafeload and unsafestore
Lukas Stadler <lukas.stadler@jku.at>
parents: 7037
diff changeset
855 return field;
ccade022ec83 virtualization of unsafeload and unsafestore
Lukas Stadler <lukas.stadler@jku.at>
parents: 7037
diff changeset
856 }
18950
3fc907b46313 [SPARC] Fix Partial Escape Analysis for SPARC in Truffle
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 18867
diff changeset
857 // @formatter:on
7049
ccade022ec83 virtualization of unsafeload and unsafestore
Lukas Stadler <lukas.stadler@jku.at>
parents: 7037
diff changeset
858 }
ccade022ec83 virtualization of unsafeload and unsafestore
Lukas Stadler <lukas.stadler@jku.at>
parents: 7037
diff changeset
859 return null;
ccade022ec83 virtualization of unsafeload and unsafestore
Lukas Stadler <lukas.stadler@jku.at>
parents: 7037
diff changeset
860 }
7819
aa022eaf1569 class file path retrieval
Michael Haupt <michael.haupt@oracle.com>
parents: 7530
diff changeset
861
aa022eaf1569 class file path retrieval
Michael Haupt <michael.haupt@oracle.com>
parents: 7530
diff changeset
862 @Override
7829
a44887443b0c support for inner classes (local/member) in meta API
Michael Haupt <michael.haupt@oracle.com>
parents: 7828
diff changeset
863 public boolean isLocal() {
a44887443b0c support for inner classes (local/member) in meta API
Michael Haupt <michael.haupt@oracle.com>
parents: 7828
diff changeset
864 return mirror().isLocalClass();
a44887443b0c support for inner classes (local/member) in meta API
Michael Haupt <michael.haupt@oracle.com>
parents: 7828
diff changeset
865 }
a44887443b0c support for inner classes (local/member) in meta API
Michael Haupt <michael.haupt@oracle.com>
parents: 7828
diff changeset
866
a44887443b0c support for inner classes (local/member) in meta API
Michael Haupt <michael.haupt@oracle.com>
parents: 7828
diff changeset
867 @Override
a44887443b0c support for inner classes (local/member) in meta API
Michael Haupt <michael.haupt@oracle.com>
parents: 7828
diff changeset
868 public boolean isMember() {
a44887443b0c support for inner classes (local/member) in meta API
Michael Haupt <michael.haupt@oracle.com>
parents: 7828
diff changeset
869 return mirror().isMemberClass();
a44887443b0c support for inner classes (local/member) in meta API
Michael Haupt <michael.haupt@oracle.com>
parents: 7828
diff changeset
870 }
a44887443b0c support for inner classes (local/member) in meta API
Michael Haupt <michael.haupt@oracle.com>
parents: 7828
diff changeset
871
a44887443b0c support for inner classes (local/member) in meta API
Michael Haupt <michael.haupt@oracle.com>
parents: 7828
diff changeset
872 @Override
18223
17c98fad6980 converted HotSpotResolvedObjectType to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18222
diff changeset
873 public HotSpotResolvedObjectTypeImpl getEnclosingType() {
7829
a44887443b0c support for inner classes (local/member) in meta API
Michael Haupt <michael.haupt@oracle.com>
parents: 7828
diff changeset
874 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
875 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
876 }
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
877
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
878 @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
879 public ResolvedJavaMethod[] getDeclaredConstructors() {
15040
288c23143d47 Fix most raw type references.
Josef Eisl <josef.eisl@jku.at>
parents: 15018
diff changeset
880 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
881 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
882 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
883 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
884 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
885 }
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
886 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
887 }
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
888
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
889 @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
890 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
891 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
892 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
893 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
894 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
895 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
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 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
898 }
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
899
11952
c0807f5fdca5 added ResolvedJavaType.getClassInititalizer()
Doug Simon <doug.simon@oracle.com>
parents: 11823
diff changeset
900 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
901 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
902 }
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
903
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
904 @Override
13305
a63d65b682a8 moved most HotSpotResolvedJavaMethod.getExceptionHandlers logic to Java
twisti
parents: 13295
diff changeset
905 public String toString() {
15730
920b7bb058a6 Simplify HotSpotUnresolvedJavaType, harmonize toString for HotSpotUnresolvedJavaType and HotSpotResolvedObjectType
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 15726
diff changeset
906 return "HotSpotType<" + getName() + ", resolved>";
13305
a63d65b682a8 moved most HotSpotResolvedJavaMethod.getExceptionHandlers logic to Java
twisti
parents: 13295
diff changeset
907 }
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
908
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
909 @Override
23373
802821d82a92 Rename isAllocationCloneable to isCloneableWithAllocation
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 23366
diff changeset
910 public boolean isCloneableWithAllocation() {
23357
b05ad394cfd5 Add ResolvedJavaType.isAllocationClonable
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 23354
diff changeset
911 return (getAccessFlags() & config().jvmAccIsCloneable) != 0;
b05ad394cfd5 Add ResolvedJavaType.isAllocationClonable
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 23354
diff changeset
912 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
913 }