1 /*
   2  * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 package sun.jvm.hotspot.opto;
  26 
  27 import java.util.*;
  28 import sun.jvm.hotspot.ci.*;
  29 import sun.jvm.hotspot.debugger.*;
  30 import sun.jvm.hotspot.runtime.*;
  31 import sun.jvm.hotspot.oops.*;
  32 import sun.jvm.hotspot.types.*;
  33 
  34 public class Compile extends VMObject {
  35   static {
  36     VM.registerVMInitializedObserver(new Observer() {
  37         public void update(Observable o, Object data) {
  38           initialize(VM.getVM().getTypeDataBase());
  39         }
  40       });
  41   }
  42 
  43   private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
  44     Type type      = db.lookupType("Compile");
  45     rootField = type.getAddressField("_root");
  46     uniqueField = new CIntField(type.getCIntegerField("_unique"), 0);
  47     entryBciField = new CIntField(type.getCIntegerField("_entry_bci"), 0);
  48     topField = type.getAddressField("_top");
  49     cfgField = type.getAddressField("_cfg");
  50     regallocField = type.getAddressField("_regalloc");
  51     methodField = type.getAddressField("_method");
  52     iltField = type.getAddressField("_ilt");
  53   }
  54 
  55   private static AddressField rootField;
  56   private static CIntField uniqueField;
  57   private static CIntField entryBciField;
  58   private static AddressField topField;
  59   private static AddressField cfgField;
  60   private static AddressField regallocField;
  61   private static AddressField methodField;
  62   private static AddressField iltField;
  63 
  64   public Compile(Address addr) {
  65     super(addr);
  66   }
  67 
  68   public Node root() {
  69     return new RootNode(rootField.getValue(this.getAddress()));
  70   }
  71 
  72   public int entryBci() {
  73     return (int)entryBciField.getValue(getAddress());
  74   }
  75 
  76   public ciMethod method() {
  77     return (ciMethod) ciObjectFactory.getMetadata(methodField.getValue(getAddress()));
  78   }
  79 
  80   public PhaseCFG cfg() {
  81     Address a = cfgField.getValue(this.getAddress());
  82     if (a != null) {
  83       return new PhaseCFG(a);
  84     }
  85     return null;
  86   }
  87 
  88   public InlineTree ilt() {
  89     Address a = iltField.getValue(this.getAddress());
  90     if (a != null) {
  91       return new InlineTree(a);
  92     }
  93     return null;
  94   }
  95 }