| /* |
| * Copyright (c) 2011, 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.util.*; |
| import java.io.PrintStream; |
| import sun.jvm.hotspot.debugger.*; |
| import sun.jvm.hotspot.runtime.*; |
| import sun.jvm.hotspot.oops.*; |
| import sun.jvm.hotspot.types.*; |
| |
| public class Block 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("Block"); |
| nodesField = type.getAddressField("_nodes"); |
| succsField = type.getAddressField("_succs"); |
| numSuccsField = new CIntField(type.getCIntegerField("_num_succs"), 0); |
| preOrderField = new CIntField(type.getCIntegerField("_pre_order"), 0); |
| domDepthField = new CIntField(type.getCIntegerField("_dom_depth"), 0); |
| idomField = type.getAddressField("_idom"); |
| freqField = type.getJDoubleField("_freq"); |
| } |
| |
| private static AddressField nodesField; |
| private static AddressField succsField; |
| private static CIntField numSuccsField; |
| private static CIntField preOrderField; |
| private static CIntField domDepthField; |
| private static AddressField idomField; |
| private static JDoubleField freqField; |
| |
| public Block(Address addr) { |
| super(addr); |
| } |
| |
| public int preOrder() { |
| return (int)preOrderField.getValue(getAddress()); |
| } |
| |
| public double freq() { |
| return (double)freqField.getValue(getAddress()); |
| } |
| |
| public Node_List nodes() { |
| return new Node_List(getAddress().addOffsetTo(nodesField.getOffset())); |
| } |
| |
| public void dump(PrintStream out) { |
| out.print("B" + preOrder()); |
| out.print(" Freq: " + freq()); |
| out.println(); |
| Node_List nl = nodes(); |
| int cnt = nl.size(); |
| for( int i=0; i<cnt; i++ ) |
| nl.at(i).dump(out); |
| out.print("\n"); |
| } |
| } |