--- old/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/memory/LoaderConstraintEntry.java 2017-07-21 13:45:31.598572529 -0400 +++ /dev/null 2017-06-11 15:38:07.778000227 -0400 @@ -1,90 +0,0 @@ -/* - * Copyright (c) 2003, 2011, 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.memory; - -import java.util.*; -import sun.jvm.hotspot.debugger.*; -import sun.jvm.hotspot.oops.*; -import sun.jvm.hotspot.types.*; -import sun.jvm.hotspot.runtime.*; -import sun.jvm.hotspot.utilities.*; - -public class LoaderConstraintEntry extends sun.jvm.hotspot.utilities.HashtableEntry { - static { - VM.registerVMInitializedObserver(new Observer() { - public void update(Observable o, Object data) { - initialize(VM.getVM().getTypeDataBase()); - } - }); - } - - private static synchronized void initialize(TypeDataBase db) { - Type type = db.lookupType("LoaderConstraintEntry"); - nameField = type.getAddressField("_name"); - numLoadersField = type.getCIntegerField("_num_loaders"); - maxLoadersField = type.getCIntegerField("_max_loaders"); - loadersField = type.getAddressField("_loaders"); - } - - // Fields - private static AddressField nameField; - private static CIntegerField numLoadersField; - private static CIntegerField maxLoadersField; - private static AddressField loadersField; - - // Accessors - - public Symbol name() { - return Symbol.create(nameField.getValue(addr)); - } - - public int numLoaders() { - return (int) numLoadersField.getValue(addr); - } - - public int maxLoaders() { - return (int) maxLoadersField.getValue(addr); - } - - public Oop initiatingLoader(int i) { - if (Assert.ASSERTS_ENABLED) { - Assert.that(i >= 0 && i < numLoaders(), "invalid index"); - } - Address loaders = loadersField.getValue(addr); - OopHandle loader = loaders.addOffsetToAsOopHandle(i * VM.getVM().getOopSize()); - return VM.getVM().getObjectHeap().newOop(loader); - } - - public LoaderConstraintEntry(Address addr) { - super(addr); - } - - /* covariant return type :-( - public LoaderConstraintEntry next() { - return (LoaderConstraintEntry) super.next(); - } - For now, let the caller cast it .. - */ -}