Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/oops/BreakpointInfo.java @ 210:05712c37c828
6676016: ParallelOldGC leaks memory
Summary: ensure that GCTask threads release resource and handle memory
Reviewed-by: jmasa, chrisphi
author | jcoomes |
---|---|
date | Wed, 18 Jun 2008 18:36:47 -0700 |
parents | a61af66fc99e |
children | c18cbe5936b8 |
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/* * Copyright 2002 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.util.*; import sun.jvm.hotspot.debugger.*; import sun.jvm.hotspot.runtime.*; import sun.jvm.hotspot.types.*; public class BreakpointInfo extends VMObject { private static CIntegerField origBytecodeField; private static CIntegerField bciField; private static CIntegerField nameIndexField; private static CIntegerField signatureIndexField; private static AddressField nextField; 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("BreakpointInfo"); origBytecodeField = type.getCIntegerField("_orig_bytecode"); bciField = type.getCIntegerField("_bci"); nameIndexField = type.getCIntegerField("_name_index"); signatureIndexField = type.getCIntegerField("_signature_index"); nextField = type.getAddressField ("_next"); } public BreakpointInfo(Address addr) { super(addr); } public int getOrigBytecode() { return (int) origBytecodeField.getValue(addr); } public int getBCI() { return (int) bciField.getValue(addr); } public long getNameIndex() { return nameIndexField.getValue(addr); } public long getSignatureIndex() { return signatureIndexField.getValue(addr); } public BreakpointInfo getNext() { return (BreakpointInfo) VMObjectFactory.newObject(BreakpointInfo.class, nextField.getValue(addr)); } public boolean match(Method m, int bci) { return (bci == getBCI() && match(m)); } public boolean match(Method m) { return (getNameIndex() == m.getNameIndex() && getSignatureIndex() == m.getSignatureIndex()); } }