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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 20 * CA 95054 USA or visit www.sun.com if you need additional information or 21 * have any questions. 22 * 23 */ 24 25 package sun.jvm.hotspot.opto; 26 27 import java.util.*; 28 import sun.jvm.hotspot.debugger.*; 29 import sun.jvm.hotspot.runtime.*; 30 import sun.jvm.hotspot.oops.*; 31 import sun.jvm.hotspot.types.*; 32 33 public class PhaseRegAlloc extends Phase { 34 static { 35 VM.registerVMInitializedObserver(new Observer() { 36 public void update(Observable o, Object data) { 37 initialize(VM.getVM().getTypeDataBase()); 38 } 39 }); 40 } 41 42 private static synchronized void initialize(TypeDataBase db) throws WrongTypeException { 43 Type type = db.lookupType("PhaseRegAlloc"); 44 nodeRegsField = type.getAddressField("_node_regs"); 45 nodeRegsMaxIndexField = new CIntField(type.getCIntegerField("_node_regs_max_index"), 0); 46 framesizeField = new CIntField(type.getCIntegerField("_framesize"), 0); 47 maxRegField = new CIntField(type.getCIntegerField("_max_reg"), 0); 48 } 49 50 private static AddressField nodeRegsField; 51 private static CIntField nodeRegsMaxIndexField; 52 private static CIntField framesizeField; 53 private static CIntField maxRegField; 54 55 public PhaseRegAlloc(Address addr) { 56 super(addr); 57 } 58 }