| /* |
| * Copyright (c) 2016, 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.code; |
| |
| import java.util.*; |
| |
| import sun.jvm.hotspot.debugger.Address; |
| import sun.jvm.hotspot.oops.*; |
| import sun.jvm.hotspot.runtime.*; |
| import sun.jvm.hotspot.types.*; |
| import sun.jvm.hotspot.utilities.*; |
| |
| public abstract class CompiledMethod extends CodeBlob { |
| private static AddressField methodField; |
| private static AddressField deoptHandlerBeginField; |
| private static AddressField deoptMhHandlerBeginField; |
| private static AddressField scopesDataBeginField; |
| |
| static { |
| VM.registerVMInitializedObserver(new Observer() { |
| public void update(Observable o, Object data) { |
| initialize(VM.getVM().getTypeDataBase()); |
| } |
| }); |
| } |
| |
| private static void initialize(TypeDataBase db) { |
| Type type = db.lookupType("CompiledMethod"); |
| |
| methodField = type.getAddressField("_method"); |
| deoptHandlerBeginField = type.getAddressField("_deopt_handler_begin"); |
| deoptMhHandlerBeginField = type.getAddressField("_deopt_mh_handler_begin"); |
| scopesDataBeginField = type.getAddressField("_scopes_data_begin"); |
| } |
| |
| public CompiledMethod(Address addr) { |
| super(addr); |
| } |
| |
| public Method getMethod() { |
| return (Method)Metadata.instantiateWrapperFor(methodField.getValue(addr)); |
| } |
| |
| public Address deoptHandlerBegin() { return deoptHandlerBeginField.getValue(addr); } |
| public Address deoptMhHandlerBegin() { return deoptMhHandlerBeginField.getValue(addr); } |
| public Address scopesDataBegin() { return scopesDataBeginField.getValue(addr); } |
| |
| public static int getMethodOffset() { return (int) methodField.getOffset(); } |
| |
| @Override |
| public boolean isCompiled() { |
| return true; |
| } |
| } |