--- /dev/null 2012-06-19 13:43:07.796273697 -0700 +++ new/agent/src/share/classes/sun/jvm/hotspot/oops/ExceptionTableElement.java 2012-06-19 17:56:03.660776221 -0700 @@ -0,0 +1,81 @@ +/* + * Copyright (c) 2012, 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.oops; + +import java.io.*; +import java.util.*; +import sun.jvm.hotspot.debugger.*; +import sun.jvm.hotspot.interpreter.*; +import sun.jvm.hotspot.runtime.*; +import sun.jvm.hotspot.types.*; +import sun.jvm.hotspot.utilities.*; + +public class ExceptionTableElement { + 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("ExceptionTableElement"); + offsetOfStartPC = type.getCIntegerField("start_pc").getOffset(); + offsetOfEndPC = type.getCIntegerField("end_pc").getOffset(); + offsetOfHandlerPC = type.getCIntegerField("handler_pc").getOffset(); + offsetOfCatchTypeIndex = type.getCIntegerField("catch_type_index").getOffset(); + } + + private static long offsetOfStartPC; + private static long offsetOfEndPC; + private static long offsetOfHandlerPC; + private static long offsetOfCatchTypeIndex; + + private OopHandle handle; + private long offset; + + public ExceptionTableElement(OopHandle handle, long offset) { + this.handle = handle; + this.offset = offset; + } + + public int getStartPC() { + return (int) handle.getCIntegerAt(offset + offsetOfStartPC, 2, true); + } + + public int getEndPC() { + return (int) handle.getCIntegerAt(offset + offsetOfEndPC, 2, true); + } + + public int getHandlerPC() { + return (int) handle.getCIntegerAt(offset + offsetOfHandlerPC, 2, true); + } + + public int getCatchTypeIndex() { + return (int) handle.getCIntegerAt(offset + offsetOfCatchTypeIndex, 2, true); + } +} +