Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/memory/ProtectionDomainEntry.java @ 12704:0e998f0daddf
Code cache: make sure we collect statistics even if the compiler is not recognized
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Thu, 07 Nov 2013 11:17:23 +0100 |
parents | c18cbe5936b8 |
children | 82af7d7a0128 |
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/* * Copyright (c) 2001, 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.runtime.*; import sun.jvm.hotspot.types.*; public class ProtectionDomainEntry extends VMObject { private static AddressField nextField; private static sun.jvm.hotspot.types.OopField protectionDomainField; 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("ProtectionDomainEntry"); nextField = type.getAddressField("_next"); protectionDomainField = type.getOopField("_protection_domain"); } public ProtectionDomainEntry(Address addr) { super(addr); } public ProtectionDomainEntry next() { return (ProtectionDomainEntry) VMObjectFactory.newObject(ProtectionDomainEntry.class, addr); } public Oop protectionDomain() { return VM.getVM().getObjectHeap().newOop(protectionDomainField.getValue(addr)); } }