Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/oops/Metadata.java @ 18665:96861e3f8cc5
made CFGPrinterObserver reset (upon close) properly
author | Doug Simon <doug.simon@oracle.com> |
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date | Thu, 11 Dec 2014 22:14:30 +0100 |
parents | bd7a7ce2e264 |
children |
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/* * Copyright (c) 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.utilities.*; import sun.jvm.hotspot.debugger.*; import sun.jvm.hotspot.runtime.*; import sun.jvm.hotspot.types.*; abstract public class Metadata extends VMObject { static { VM.registerVMInitializedObserver(new Observer() { public void update(Observable o, Object data) { initialize(VM.getVM().getTypeDataBase()); } }); } public Metadata(Address addr) { super(addr); } private static VirtualBaseConstructor<Metadata> metadataConstructor; private static synchronized void initialize(TypeDataBase db) throws WrongTypeException { metadataConstructor = new VirtualBaseConstructor<Metadata>(db, db.lookupType("Metadata"), null, null); // Define an explicit mapping since the C++ and Java type names don't match. metadataConstructor.addMapping("Metadata", Metadata.class); metadataConstructor.addMapping("Klass", Klass.class); metadataConstructor.addMapping("InstanceKlass", InstanceKlass.class); metadataConstructor.addMapping("InstanceMirrorKlass", InstanceMirrorKlass.class); metadataConstructor.addMapping("InstanceRefKlass", InstanceRefKlass.class); metadataConstructor.addMapping("InstanceClassLoaderKlass", InstanceClassLoaderKlass.class); metadataConstructor.addMapping("TypeArrayKlass", TypeArrayKlass.class); metadataConstructor.addMapping("ObjArrayKlass", ObjArrayKlass.class); metadataConstructor.addMapping("Method", Method.class); metadataConstructor.addMapping("MethodData", MethodData.class); metadataConstructor.addMapping("ConstMethod", ConstMethod.class); metadataConstructor.addMapping("ConstantPool", ConstantPool.class); metadataConstructor.addMapping("ConstantPoolCache", ConstantPoolCache.class); } public static Metadata instantiateWrapperFor(Address addr) { return metadataConstructor.instantiateWrapperFor(addr); } public void iterate(MetadataVisitor visitor) { visitor.setObj(this); visitor.prologue(); iterateFields(visitor); visitor.epilogue(); } void iterateFields(MetadataVisitor visitor) { } abstract public void printValueOn(PrintStream tty); public void dumpReplayData(PrintStream out) { out.println("# Unknown Metadata"); } }