Mercurial > hg > truffle
diff agent/src/share/classes/sun/jvm/hotspot/opto/Block.java @ 3939:f6f3bb0ee072
7088955: add C2 IR support to the SA
Reviewed-by: kvn
author | never |
---|---|
date | Sun, 11 Sep 2011 14:48:24 -0700 |
parents | |
children | 79f492f184d0 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/agent/src/share/classes/sun/jvm/hotspot/opto/Block.java Sun Sep 11 14:48:24 2011 -0700 @@ -0,0 +1,88 @@ +/* + * 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 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.getJFloatField("_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 JFloatField freqField; + + public Block(Address addr) { + super(addr); + } + + public int preOrder() { + return (int)preOrderField.getValue(getAddress()); + } + + public float freq() { + return (float)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"); + } +}