| /* |
| * Copyright (c) 2011, 2013, 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 PhaseCFG extends Phase { |
| 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("PhaseCFG"); |
| numBlocksField = new CIntField(type.getCIntegerField("_number_of_blocks"), 0); |
| blocksField = type.getAddressField("_blocks"); |
| bbsField = type.getAddressField("_node_to_block_mapping"); |
| brootField = type.getAddressField("_root_block"); |
| } |
| |
| private static CIntField numBlocksField; |
| private static AddressField blocksField; |
| private static AddressField bbsField; |
| private static AddressField brootField; |
| |
| public PhaseCFG(Address addr) { |
| super(addr); |
| } |
| |
| public void dump(PrintStream out) { |
| int addressSize = (int)VM.getVM().getAddressSize(); |
| int numBlocks = (int)numBlocksField.getValue(getAddress()); |
| Block_List blocks = new Block_List(getAddress().addOffsetTo(blocksField.getOffset())); |
| int offset = 0; |
| for (int i = 0; i < numBlocks; i++) { |
| blocks.at(i).dump(out); |
| } |
| } |
| } |