1/* 2 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved. 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 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25package sun.jvm.hotspot.ci; 26 27import java.lang.reflect.Constructor; 28import java.util.*; 29import sun.jvm.hotspot.debugger.*; 30import sun.jvm.hotspot.runtime.*; 31import sun.jvm.hotspot.utilities.*; 32import sun.jvm.hotspot.oops.*; 33import sun.jvm.hotspot.types.*; 34 35public class ciObjectFactory extends VMObject { 36 static { 37 VM.registerVMInitializedObserver(new Observer() { 38 public void update(Observable o, Object data) { 39 initialize(VM.getVM().getTypeDataBase()); 40 } 41 }); 42 } 43 44 private static synchronized void initialize(TypeDataBase db) throws WrongTypeException { 45 Type type = db.lookupType("ciObjectFactory"); 46 unloadedMethodsField = type.getAddressField("_unloaded_methods"); 47 ciMetadataField = type.getAddressField("_ci_metadata"); 48 symbolsField = type.getAddressField("_symbols"); 49 50 ciObjectConstructor = new VirtualBaseConstructor<ciObject>(db, db.lookupType("ciObject"), "sun.jvm.hotspot.ci", ciObject.class); 51 ciMetadataConstructor = new VirtualBaseConstructor<ciMetadata>(db, db.lookupType("ciMetadata"), "sun.jvm.hotspot.ci", ciMetadata.class); 52 ciSymbolConstructor = new VirtualBaseConstructor<ciSymbol>(db, db.lookupType("ciSymbol"), "sun.jvm.hotspot.ci", ciSymbol.class); 53 } 54 55 private static AddressField unloadedMethodsField; 56 private static AddressField ciMetadataField; 57 private static AddressField symbolsField; 58 59 private static VirtualBaseConstructor<ciObject> ciObjectConstructor; 60 private static VirtualBaseConstructor<ciMetadata> ciMetadataConstructor; 61 private static VirtualBaseConstructor<ciSymbol> ciSymbolConstructor; 62 63 public static ciObject get(Address addr) { 64 if (addr == null) return null; 65 66 return (ciObject)ciObjectConstructor.instantiateWrapperFor(addr); 67 } 68 69 public static ciMetadata getMetadata(Address addr) { 70 if (addr == null) return null; 71 72 return (ciMetadata)ciMetadataConstructor.instantiateWrapperFor(addr); 73 } 74 75 public GrowableArray<ciMetadata> objects() { 76 return GrowableArray.create(ciMetadataField.getValue(getAddress()), ciMetadataConstructor); 77 } 78 79 public GrowableArray<ciSymbol> symbols() { 80 return GrowableArray.create(symbolsField.getValue(getAddress()), ciSymbolConstructor); 81 } 82 83 public ciObjectFactory(Address addr) { 84 super(addr); 85 } 86} 87