Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/opto/PhaseCFG.java @ 7402:fd74228fd5ca
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
Summary: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
Reviewed-by: coleenp, minqi, jrose
author | jiangli |
---|---|
date | Tue, 11 Dec 2012 12:41:31 -0500 |
parents | f6f3bb0ee072 |
children | 79f492f184d0 |
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/* * 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.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("_num_blocks"), 0); blocksField = type.getAddressField("_blocks"); bbsField = type.getAddressField("_bbs"); brootField = type.getAddressField("_broot"); } 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); } } }