| /* |
| * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| package sun.jvm.hotspot.oops; |
| |
| import java.io.*; |
| import java.util.*; |
| import sun.jvm.hotspot.debugger.*; |
| import sun.jvm.hotspot.memory.*; |
| import sun.jvm.hotspot.runtime.*; |
| import sun.jvm.hotspot.types.*; |
| import sun.jvm.hotspot.utilities.*; |
| |
| // An InstanceKlass is the VM level representation of a Java class. |
| |
| public class InstanceMirrorKlass extends InstanceKlass { |
| static { |
| VM.registerVMInitializedObserver(new Observer() { |
| public void update(Observable o, Object data) { |
| initialize(VM.getVM().getTypeDataBase()); |
| } |
| }); |
| } |
| |
| private static synchronized void initialize(TypeDataBase db) throws WrongTypeException { |
| // Just make sure it's there for now |
| Type type = db.lookupType("InstanceMirrorKlass"); |
| } |
| |
| public InstanceMirrorKlass(Address addr) { |
| super(addr); |
| } |
| |
| public long getObjectSize(Oop o) { |
| return java_lang_Class.getOopSize(o) * VM.getVM().getAddressSize(); |
| } |
| |
| public void iterateNonStaticFields(OopVisitor visitor, Oop obj) { |
| super.iterateNonStaticFields(visitor, obj); |
| // Fetch the real klass from the mirror object |
| Klass klass = java_lang_Class.asKlass(obj); |
| if (klass instanceof InstanceKlass) { |
| ((InstanceKlass)klass).iterateStaticFields(visitor); |
| } |
| } |
| } |