1 /* 2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 package sun.jvm.hotspot.compiler; 26 27 import java.io.PrintStream; 28 import java.util.*; 29 import sun.jvm.hotspot.debugger.*; 30 import sun.jvm.hotspot.runtime.*; 31 import sun.jvm.hotspot.oops.*; 32 import sun.jvm.hotspot.opto.*; 33 import sun.jvm.hotspot.prims.JvmtiExport; 34 import sun.jvm.hotspot.types.*; 35 36 public class CompileTask extends VMObject { 37 static { 38 VM.registerVMInitializedObserver(new Observer() { 39 public void update(Observable o, Object data) { 40 initialize(VM.getVM().getTypeDataBase()); 41 } 42 }); 43 } 44 45 private static synchronized void initialize(TypeDataBase db) throws WrongTypeException { 46 Type type = db.lookupType("CompileTask"); 47 methodField = type.getAddressField("_method"); 48 osrBciField = new CIntField(type.getCIntegerField("_osr_bci"), 0); 49 } 50 51 private static AddressField methodField; 52 private static CIntField osrBciField; 53 54 public CompileTask(Address addr) { 55 super(addr); 56 } 57 58 public Method method() { 59 OopHandle oh = methodField.getValue(getAddress()).getOopHandleAt(0); 60 return (Method)VM.getVM().getObjectHeap().newOop(oh); 61 } 62 63 public int osrBci() { 64 return (int)osrBciField.getValue(getAddress()); 65 } 66 }