Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/memory/StringTable.java @ 17398:9e1ec84d2899
fix privileged check for Stable
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
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date | Thu, 09 Oct 2014 11:32:21 -0700 |
parents | 1d1603768966 |
children |
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/* * Copyright (c) 2005, 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.io.*; 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 StringTable extends sun.jvm.hotspot.utilities.Hashtable { 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("StringTable"); theTableField = type.getAddressField("_the_table"); } // Fields private static AddressField theTableField; // Accessors public static StringTable getTheTable() { Address tmp = theTableField.getValue(); return (StringTable) VMObjectFactory.newObject(StringTable.class, tmp); } public StringTable(Address addr) { super(addr); } public interface StringVisitor { public void visit(Instance string); } public void stringsDo(StringVisitor visitor) { ObjectHeap oh = VM.getVM().getObjectHeap(); int numBuckets = tableSize(); for (int i = 0; i < numBuckets; i++) { for (HashtableEntry e = (HashtableEntry) bucket(i); e != null; e = (HashtableEntry) e.next()) { Instance s = (Instance)oh.newOop(e.literalValue().addOffsetToAsOopHandle(0)); visitor.visit(s); } } } }