Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/oops/CompiledICHolder.java @ 669:eca19a8425b5
6810653: Change String cache class used by Hotspot from String to StringValue
Summary: Change create_vm() to load and initialize StringValue rather than String.
Reviewed-by: kvn
author | phh |
---|---|
date | Tue, 24 Mar 2009 21:56:53 -0400 |
parents | a61af66fc99e |
children | c18cbe5936b8 |
line wrap: on
line source
/* * Copyright 2000-2001 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.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.debugger.*; import sun.jvm.hotspot.runtime.*; import sun.jvm.hotspot.types.*; public class CompiledICHolder extends Oop { static { VM.registerVMInitializedObserver(new Observer() { public void update(Observable o, Object data) { initialize(VM.getVM().getTypeDataBase()); } }); } private static synchronized void initialize(TypeDataBase db) throws WrongTypeException { Type type = db.lookupType("compiledICHolderOopDesc"); holderMethod = new OopField(type.getOopField("_holder_method"), 0); holderKlass = new OopField(type.getOopField("_holder_klass"), 0); headerSize = type.getSize(); } CompiledICHolder(OopHandle handle, ObjectHeap heap) { super(handle, heap); } public boolean isCompiledICHolder() { return true; } private static long headerSize; // Fields private static OopField holderMethod; private static OopField holderKlass; // Accessors for declared fields public Method getHolderMethod() { return (Method) holderMethod.getValue(this); } public Klass getHolderKlass() { return (Klass) holderKlass.getValue(this); } public void printValueOn(PrintStream tty) { tty.print("CompiledICHolder"); } public long getObjectSize() { return alignObjectSize(headerSize); } void iterateFields(OopVisitor visitor, boolean doVMFields) { super.iterateFields(visitor, doVMFields); if (doVMFields) { visitor.doOop(holderMethod, true); visitor.doOop(holderKlass, true); } } }