Mercurial > hg > truffle
diff agent/src/share/classes/sun/jvm/hotspot/oops/BreakpointInfo.java @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/agent/src/share/classes/sun/jvm/hotspot/oops/BreakpointInfo.java Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,78 @@ +/* + * 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()); + } +}