Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/jdi/ClassLoaderReferenceImpl.java @ 17524:89152779163c
Merge with jdk8-b132
| author | Gilles Duboscq <duboscq@ssw.jku.at> |
|---|---|
| date | Wed, 15 Oct 2014 11:59:32 +0200 |
| parents | c18cbe5936b8 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 2002, 2003, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 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. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 package sun.jvm.hotspot.jdi; | |
| 26 | |
| 27 import sun.jvm.hotspot.oops.Oop; | |
| 28 import sun.jvm.hotspot.oops.Instance; | |
| 29 import sun.jvm.hotspot.oops.Klass; | |
| 30 import sun.jvm.hotspot.memory.SystemDictionary; | |
| 31 import sun.jvm.hotspot.memory.Universe; | |
| 32 import sun.jvm.hotspot.runtime.VM; | |
| 33 | |
| 34 import com.sun.jdi.*; | |
| 35 import java.util.*; | |
| 36 | |
| 37 public class ClassLoaderReferenceImpl | |
| 38 extends ObjectReferenceImpl | |
| 39 implements ClassLoaderReference | |
| 40 { | |
| 41 // because we work on process snapshot or core we can | |
| 42 // cache visibleClasses & definedClasses always (i.e., no suspension) | |
| 43 private List visibleClassesCache; | |
| 44 private List definedClassesCache; | |
| 45 | |
| 46 ClassLoaderReferenceImpl(VirtualMachine aVm, Instance oRef) { | |
| 47 super(aVm, oRef); | |
| 48 } | |
| 49 | |
| 50 protected String description() { | |
| 51 return "ClassLoaderReference " + uniqueID(); | |
| 52 } | |
| 53 | |
| 54 public List definedClasses() { | |
| 55 if (definedClassesCache == null) { | |
| 56 definedClassesCache = new ArrayList(); | |
| 57 Iterator iter = vm.allClasses().iterator(); | |
| 58 while (iter.hasNext()) { | |
| 59 ReferenceType type = (ReferenceType)iter.next(); | |
| 60 if (equals(type.classLoader())) { /* thanks OTI */ | |
| 61 definedClassesCache.add(type); | |
| 62 } | |
| 63 } | |
| 64 } | |
| 65 return definedClassesCache; | |
| 66 } | |
| 67 | |
| 68 private SystemDictionary getSystemDictionary() { | |
| 69 return vm.saSystemDictionary(); | |
| 70 } | |
| 71 | |
| 72 private Universe getUniverse() { | |
| 73 return vm.saUniverse(); | |
| 74 } | |
| 75 | |
| 76 public List visibleClasses() { | |
| 77 if (visibleClassesCache != null) | |
| 78 return visibleClassesCache; | |
| 79 | |
| 80 visibleClassesCache = new ArrayList(); | |
| 81 | |
| 82 // refer to getClassLoaderClasses in jvmtiGetLoadedClasses.cpp | |
| 83 // a. SystemDictionary::classes_do doesn't include arrays of primitive types (any dimensions) | |
| 84 SystemDictionary sysDict = getSystemDictionary(); | |
| 85 sysDict.classesDo( | |
| 86 new SystemDictionary.ClassAndLoaderVisitor() { | |
| 87 public void visit(Klass k, Oop loader) { | |
| 88 if (ref().equals(loader)) { | |
| 89 for (Klass l = k; l != null; l = l.arrayKlassOrNull()) { | |
| 90 visibleClassesCache.add(vm.referenceType(l)); | |
| 91 } | |
| 92 } | |
| 93 } | |
| 94 } | |
| 95 ); | |
| 96 | |
| 97 // b. multi dimensional arrays of primitive types | |
| 98 sysDict.primArrayClassesDo( | |
| 99 new SystemDictionary.ClassAndLoaderVisitor() { | |
| 100 public void visit(Klass k, Oop loader) { | |
| 101 if (ref().equals(loader)) { | |
| 102 visibleClassesCache.add(vm.referenceType(k)); | |
| 103 } | |
| 104 } | |
| 105 } | |
| 106 ); | |
| 107 | |
| 108 // c. single dimensional primitive array klasses from Universe | |
| 109 // these are not added to SystemDictionary | |
| 110 getUniverse().basicTypeClassesDo( | |
| 111 new SystemDictionary.ClassVisitor() { | |
| 112 public void visit(Klass k) { | |
| 113 visibleClassesCache.add(vm.referenceType(k)); | |
| 114 } | |
| 115 } | |
| 116 ); | |
| 117 | |
| 118 return visibleClassesCache; | |
| 119 } | |
| 120 | |
| 121 Type findType(String signature) throws ClassNotLoadedException { | |
| 122 List types = visibleClasses(); | |
| 123 Iterator iter = types.iterator(); | |
| 124 while (iter.hasNext()) { | |
| 125 ReferenceType type = (ReferenceType)iter.next(); | |
| 126 if (type.signature().equals(signature)) { | |
| 127 return type; | |
| 128 } | |
| 129 } | |
| 130 JNITypeParser parser = new JNITypeParser(signature); | |
| 131 throw new ClassNotLoadedException(parser.typeName(), | |
| 132 "Class " + parser.typeName() + " not loaded"); | |
| 133 } | |
| 134 } |