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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotResolvedJavaType.java @ 6367:cc402f4396f4

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deleted caching of initial mark word in HotSpotResolvedJavaType. This value is modified by the biased locking mechanism and so it not constant for a Klass
author Doug Simon <doug.simon@oracle.com>
date Wed, 12 Sep 2012 23:50:37 +0200
parents f0f2013be1c9
children 1d7c73b5d787
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.graal.hotspot.meta;
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24
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25 import java.lang.annotation.*;
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26 import java.lang.reflect.*;
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27 import java.util.*;
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28
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29 import com.oracle.graal.api.meta.*;
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30 import com.oracle.graal.graph.*;
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31 import com.oracle.graal.hotspot.*;
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32
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33 /**
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34 * Implementation of {@link JavaType} for resolved non-primitive HotSpot classes.
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35 */
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36 public final class HotSpotResolvedJavaType extends HotSpotJavaType implements ResolvedJavaType {
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37
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38 private static final long serialVersionUID = 3481514353553840471L;
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39
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40 private Class javaMirror;
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41 private String simpleName;
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42 private int accessFlags;
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43 private boolean hasFinalizer;
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44 private boolean hasFinalizableSubclass;
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45 private int superCheckOffset;
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46 private boolean isArrayClass;
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47 private boolean isInstanceClass;
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48 private boolean isInterface;
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49 private int instanceSize;
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50 private HashMap<Long, ResolvedJavaField> fieldCache;
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51 private ResolvedJavaType superType;
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52 private boolean superTypeSet;
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53 private ResolvedJavaField[] fields;
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54 private ConstantPool constantPool;
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55 private boolean isInitialized;
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56 private ResolvedJavaType arrayOfType;
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57
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58 private HotSpotResolvedJavaType() {
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59 throw new GraalInternalError(HotSpotResolvedJavaType.class + " should only be created from C++ code");
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60 }
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61
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62 @Override
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63 public int accessFlags() {
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64 return accessFlags;
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65 }
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66
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67 @Override
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68 public ResolvedJavaType arrayOf() {
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69 if (arrayOfType == null) {
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70 arrayOfType = (ResolvedJavaType) HotSpotGraalRuntime.getInstance().getCompilerToVM().JavaType_arrayOf(this);
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71 }
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72 return arrayOfType;
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73 }
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74
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75 @Override
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76 public ResolvedJavaType componentType() {
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77 assert isArrayClass();
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78 return (ResolvedJavaType) HotSpotGraalRuntime.getInstance().getCompilerToVM().JavaType_componentType(this);
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79 }
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80
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81 @Override
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82 public ResolvedJavaType uniqueConcreteSubtype() {
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83 if (isArrayClass()) {
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84 return Modifier.isFinal(componentType().accessFlags()) ? this : null;
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85 } else {
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86 ResolvedJavaType subtype = (ResolvedJavaType) HotSpotGraalRuntime.getInstance().getCompilerToVM().JavaType_uniqueConcreteSubtype(this);
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87 assert subtype == null || !subtype.isInterface();
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88 return subtype;
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89 }
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90 }
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91
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92 @Override
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93 public ResolvedJavaType superType() {
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94 if (!superTypeSet) {
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95 superType = (ResolvedJavaType) HotSpotGraalRuntime.getInstance().getCompilerToVM().JavaType_superType(this);
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96 superTypeSet = true;
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97 }
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98 return superType;
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99 }
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100
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101 @Override
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102 public ResolvedJavaType leastCommonAncestor(ResolvedJavaType otherType) {
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103 if (otherType instanceof HotSpotTypePrimitive) {
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104 return null;
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105 } else {
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106 return (ResolvedJavaType) HotSpotGraalRuntime.getInstance().getCompilerToVM().JavaType_leastCommonAncestor(this, (HotSpotResolvedJavaType) otherType);
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107 }
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108 }
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109
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110 @Override
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111 public ResolvedJavaType exactType() {
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112 if (Modifier.isFinal(accessFlags)) {
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113 return this;
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114 }
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115 return null;
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116 }
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117
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118 @Override
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119 public Constant getEncoding(Representation r) {
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120 switch (r) {
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121 case JavaClass:
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122 return Constant.forObject(javaMirror);
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123 case ObjectHub:
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124 return Constant.forObject(klassOop());
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125 case StaticFields:
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126 return Constant.forObject(javaMirror);
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127 default:
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128 assert false : "Should not reach here.";
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129 return null;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
130 }
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parents:
diff changeset
131 }
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parents:
diff changeset
132
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parents:
diff changeset
133 @Override
5540
a891c53a295b Renaming RiKind => Kind.
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parents: 5538
diff changeset
134 public Kind getRepresentationKind(Representation r) {
a891c53a295b Renaming RiKind => Kind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5538
diff changeset
135 return Kind.Object;
3733
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parents:
diff changeset
136 }
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parents:
diff changeset
137
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parents:
diff changeset
138 @Override
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
139 public boolean hasFinalizableSubclass() {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
140 return hasFinalizableSubclass;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
141 }
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parents:
diff changeset
142
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parents:
diff changeset
143 @Override
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
144 public boolean hasFinalizer() {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
145 return hasFinalizer;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
146 }
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parents:
diff changeset
147
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
148 @Override
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parents:
diff changeset
149 public boolean isArrayClass() {
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parents:
diff changeset
150 return isArrayClass;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
151 }
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parents:
diff changeset
152
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parents:
diff changeset
153 @Override
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parents:
diff changeset
154 public boolean isInitialized() {
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parents:
diff changeset
155 if (!isInitialized) {
5554
70f715dfbb41 Bring Java renamings and restructurings to the C++ part.
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parents: 5548
diff changeset
156 isInitialized = HotSpotGraalRuntime.getInstance().getCompilerToVM().JavaType_isInitialized(this);
3733
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
157 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
158 return isInitialized;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
159 }
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parents:
diff changeset
160
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parents:
diff changeset
161 @Override
5538
e18ba36bfebc Renamed RiConstant => Constant.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5534
diff changeset
162 public boolean isInstance(Constant obj) {
3733
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
163 return javaMirror.isInstance(obj);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
164 }
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parents:
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165
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parents:
diff changeset
166 @Override
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
167 public boolean isInstanceClass() {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
168 return isInstanceClass;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
169 }
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parents:
diff changeset
170
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
171 @Override
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
172 public boolean isInterface() {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
173 return isInterface;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
174 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
175
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
176 @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
177 public boolean isSubtypeOf(ResolvedJavaType other) {
5554
70f715dfbb41 Bring Java renamings and restructurings to the C++ part.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5548
diff changeset
178 if (other instanceof HotSpotResolvedJavaType) {
70f715dfbb41 Bring Java renamings and restructurings to the C++ part.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5548
diff changeset
179 return HotSpotGraalRuntime.getInstance().getCompilerToVM().JavaType_isSubtypeOf(this, other);
3733
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
180 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
181 // No resolved type is a subtype of an unresolved type.
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
182 return false;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
183 }
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parents:
diff changeset
184
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
185 @Override
5540
a891c53a295b Renaming RiKind => Kind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5538
diff changeset
186 public Kind kind() {
a891c53a295b Renaming RiKind => Kind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5538
diff changeset
187 return Kind.Object;
3733
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parents:
diff changeset
188 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
189
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
190 @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
191 public ResolvedJavaMethod resolveMethodImpl(ResolvedJavaMethod method) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
192 assert method instanceof HotSpotMethod;
5554
70f715dfbb41 Bring Java renamings and restructurings to the C++ part.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5548
diff changeset
193 return (ResolvedJavaMethod) HotSpotGraalRuntime.getInstance().getCompilerToVM().JavaType_resolveMethodImpl(this, method.name(), method.signature().asString());
3733
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parents:
diff changeset
194 }
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parents:
diff changeset
195
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parents:
diff changeset
196 @Override
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
197 public String toString() {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
198 return "HotSpotType<" + simpleName + ", resolved>";
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
199 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
200
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
201 public ConstantPool constantPool() {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
202 if (constantPool == null) {
5530
9da759562a42 Remove compiler member field from HotSpot's implementation of the Ri* interfaces.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5514
diff changeset
203 constantPool = new HotSpotConstantPool(this);
3733
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
204 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
205 return constantPool;
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
206 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
207
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
208 /**
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
209 * Gets the instance size of this type. If an instance of this type cannot
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
210 * be fast path allocated, then the returned value is negative (its absolute
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
211 * value gives the size).
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
212 */
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
213 public int instanceSize() {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
214 return instanceSize;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
215 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
216
5775
2c088af17e59 Removed left over Ri* prefixed identifiers
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
217 public synchronized ResolvedJavaField createField(String fieldName, JavaType type, int offset, int flags) {
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
218 ResolvedJavaField result = null;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
219
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
220 long id = offset + ((long) flags << 32);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
221
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
222 // (thomaswue) Must cache the fields, because the local load elimination only works if the objects from two field lookups are identical.
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
223 if (fieldCache == null) {
4142
bc8527f3071c Adjust code base to new level of warnings.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 3733
diff changeset
224 fieldCache = new HashMap<>(8);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
225 } else {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
226 result = fieldCache.get(id);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
227 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
228
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
229 if (result == null) {
5554
70f715dfbb41 Bring Java renamings and restructurings to the C++ part.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5548
diff changeset
230 result = new HotSpotResolvedJavaField(this, fieldName, type, offset, flags);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
231 fieldCache.put(id, result);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
232 } else {
4142
bc8527f3071c Adjust code base to new level of warnings.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 3733
diff changeset
233 assert result.name().equals(fieldName);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
234 assert result.accessFlags() == flags;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
235 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
236
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
237 return result;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
238 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
239
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
240 @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
241 public ResolvedJavaMethod uniqueConcreteMethod(ResolvedJavaMethod method) {
5554
70f715dfbb41 Bring Java renamings and restructurings to the C++ part.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5548
diff changeset
242 return ((HotSpotResolvedJavaMethod) method).uniqueConcreteMethod();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
243 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
244
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
245 @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
246 public ResolvedJavaField[] declaredFields() {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
247 if (fields == null) {
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
248 if (isArrayClass) {
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
249 fields = new ResolvedJavaField[0];
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
250 } else {
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
251 fields = HotSpotGraalRuntime.getInstance().getCompilerToVM().JavaType_fields(this);
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
252 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
253 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
254 return fields;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
255 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
256
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
257 @Override
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
258 public Class< ? > toJava() {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
259 return javaMirror;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
260 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
261
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
262 @Override
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
263 public <T extends Annotation> T getAnnotation(Class<T> annotationClass) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
264 return toJava().getAnnotation(annotationClass);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
265 }
4484
14a00ee82980 Implement eager type resolving.
Andreas Woess <andreas.woess@jku.at>
parents: 4433
diff changeset
266
14a00ee82980 Implement eager type resolving.
Andreas Woess <andreas.woess@jku.at>
parents: 4433
diff changeset
267 @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
268 public ResolvedJavaType resolve(ResolvedJavaType accessingClass) {
4484
14a00ee82980 Implement eager type resolving.
Andreas Woess <andreas.woess@jku.at>
parents: 4433
diff changeset
269 return this;
14a00ee82980 Implement eager type resolving.
Andreas Woess <andreas.woess@jku.at>
parents: 4433
diff changeset
270 }
5326
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271
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272 // this value may require identity semantics so cache it
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273 private HotSpotKlassOop klassOopCache;
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274
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275 @Override
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276 public synchronized HotSpotKlassOop klassOop() {
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277 if (klassOopCache == null) {
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278 klassOopCache = new HotSpotKlassOop(this);
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279 }
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280 return klassOopCache;
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281 }
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282
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283 public boolean isPrimaryType() {
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284 return HotSpotGraalRuntime.getInstance().getConfig().secondarySuperCacheOffset != superCheckOffset;
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285 }
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286
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287 public int superCheckOffset() {
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288 return superCheckOffset;
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289 }
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290
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291 public long initialMarkWord() {
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292 return HotSpotGraalRuntime.getInstance().getCompilerToVM().JavaType_initialMarkWord(this);
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293 }
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294 }