Mercurial > hg > graal-compiler
view agent/src/share/classes/sun/jvm/hotspot/oops/LocalVariableTableElement.java @ 2468:6c97c830fb6f
Merge
author | jrose |
---|---|
date | Sat, 09 Apr 2011 21:16:12 -0700 |
parents | c18cbe5936b8 |
children | da91efe96a93 |
line wrap: on
line source
/* * Copyright (c) 2001, 2004, 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 LocalVariableTableElement { 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("LocalVariableTableElement"); offsetOfStartBCI = type.getCIntegerField("start_bci").getOffset(); offsetOfLength = type.getCIntegerField("length").getOffset(); offsetOfNameCPIndex = type.getCIntegerField("name_cp_index").getOffset(); offsetOfDescriptorCPIndex = type.getCIntegerField("descriptor_cp_index").getOffset(); offsetOfSignatureCPIndex = type.getCIntegerField("signature_cp_index").getOffset(); offsetOfSlot = type.getCIntegerField("slot").getOffset(); } private static long offsetOfStartBCI; private static long offsetOfLength; private static long offsetOfNameCPIndex; private static long offsetOfDescriptorCPIndex; private static long offsetOfSignatureCPIndex; private static long offsetOfSlot; private OopHandle handle; private long offset; public LocalVariableTableElement(OopHandle handle, long offset) { this.handle = handle; this.offset = offset; } public int getStartBCI() { return (int) handle.getCIntegerAt(offset + offsetOfStartBCI, 2, true); } public int getLength() { return (int) handle.getCIntegerAt(offset + offsetOfLength, 2, true); } public int getNameCPIndex() { return (int) handle.getCIntegerAt(offset + offsetOfNameCPIndex, 2, true); } public int getDescriptorCPIndex() { return (int) handle.getCIntegerAt(offset + offsetOfDescriptorCPIndex, 2, true); } public int getSignatureCPIndex() { return (int) handle.getCIntegerAt(offset + offsetOfSignatureCPIndex, 2, true); } public int getSlot() { return (int) handle.getCIntegerAt(offset + offsetOfSlot, 2, true); } }