| /* |
| * Copyright (c) 2011, 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.opto; |
| |
| import java.io.PrintStream; |
| import java.util.*; |
| import sun.jvm.hotspot.debugger.*; |
| import sun.jvm.hotspot.runtime.*; |
| import sun.jvm.hotspot.oops.*; |
| import sun.jvm.hotspot.ci.*; |
| import sun.jvm.hotspot.types.*; |
| |
| public class JVMState extends VMObject { |
| 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("JVMState"); |
| mapField = type.getAddressField("_map"); |
| methodField = type.getAddressField("_method"); |
| bciField = new CIntField(type.getCIntegerField("_bci"), 0); |
| spField = new CIntField(type.getCIntegerField("_sp"), 0); |
| endoffField = new CIntField(type.getCIntegerField("_endoff"), 0); |
| try { |
| scloffField = new CIntField(type.getCIntegerField("_scloff"), 0); |
| } catch (Exception e) { |
| } |
| monoffField = new CIntField(type.getCIntegerField("_monoff"), 0); |
| stkoffField = new CIntField(type.getCIntegerField("_stkoff"), 0); |
| locoffField = new CIntField(type.getCIntegerField("_locoff"), 0); |
| depthField = new CIntField(type.getCIntegerField("_depth"), 0); |
| callerField = type.getAddressField("_caller"); |
| } |
| |
| private static AddressField mapField; |
| private static AddressField methodField; |
| private static CIntField bciField; |
| private static CIntField spField; |
| private static CIntField endoffField; |
| private static CIntField scloffField; |
| private static CIntField monoffField; |
| private static CIntField stkoffField; |
| private static CIntField locoffField; |
| private static CIntField depthField; |
| private static AddressField callerField; |
| |
| public static JVMState create(Address addr) { |
| if (addr == null) return null; |
| return new JVMState(addr); |
| } |
| |
| public JVMState(Address addr) { |
| super(addr); |
| } |
| |
| public ciMethod method() { |
| return (ciMethod) ciObjectFactory.getMetadata(methodField.getValue(getAddress())); |
| } |
| |
| public int bci() { |
| return (int)bciField.getValue(getAddress()); |
| } |
| |
| public int depth() { |
| return (int)depthField.getValue(getAddress()); |
| } |
| |
| public JVMState caller() { |
| return create(callerField.getValue(getAddress())); |
| } |
| |
| public void dumpSpec(PrintStream out) { |
| ciMethod m = method(); |
| if (m != null) { |
| Method meth = m.method(); |
| out.print(" " + meth.getMethodHolder().getName().asString().replace('/', '.') + "::" + |
| meth.getName().asString() + " @ bci:" + bci()); |
| } else { |
| out.print(" runtime stub"); |
| } |
| if (caller() != null) caller().dumpSpec(out); |
| } |
| } |