Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/opto/InlineTree.java @ 7353:b5280041f59e
Experiment with soft alignment for branch targets.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Sun, 13 Jan 2013 19:32:16 +0100 |
parents | da91efe96a93 |
children | 79f492f184d0 |
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/* * Copyright (c) 2011, 2012, 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.ci.*; import sun.jvm.hotspot.debugger.*; import sun.jvm.hotspot.runtime.*; import sun.jvm.hotspot.oops.*; import sun.jvm.hotspot.utilities.GrowableArray; import sun.jvm.hotspot.types.*; public class InlineTree 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("InlineTree"); callerJvmsField = type.getAddressField("_caller_jvms"); methodField = type.getAddressField("_method"); callerTreeField = type.getAddressField("_caller_tree"); subtreesField = type.getAddressField("_subtrees"); } private static AddressField callerJvmsField; private static AddressField methodField; private static AddressField callerTreeField; private static AddressField subtreesField; private static StaticBaseConstructor inlineTreeConstructor = new StaticBaseConstructor<InlineTree>(InlineTree.class); public InlineTree(Address addr) { super(addr); } public InlineTree callerTree() { Address addr = callerTreeField.getValue(getAddress()); if (addr == null) return null; return new InlineTree(addr); } public ciMethod method() { return (ciMethod) ciObjectFactory.getMetadata(methodField.getValue(getAddress())); } public JVMState callerJvms() { return JVMState.create(callerJvmsField.getValue(getAddress())); } public int callerBci() { JVMState jvms = callerJvms(); return (jvms != null) ? jvms.bci() : -1; } public GrowableArray<InlineTree> subtrees() { Address addr = getAddress().addOffsetTo(subtreesField.getOffset()); return GrowableArray.create(addr, inlineTreeConstructor); } public void printImpl(PrintStream st, int indent) { for (int i = 0; i < indent; i++) st.print(" "); st.printf(" @ %d ", callerBci()); method().printShortName(st); st.println(); GrowableArray<InlineTree> subt = subtrees(); for (int i = 0 ; i < subt.length(); i++) { subt.at(i).printImpl(st, indent + 2); } } public void print(PrintStream st) { printImpl(st, 2); } }