1 /* 2 * Copyright (c) 2011, 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 20 * CA 95054 USA or visit www.sun.com if you need additional information or 21 * have any questions. 22 * 23 */ 24 25 package sun.jvm.hotspot.opto; 26 27 import java.util.*; 28 import java.io.PrintStream; 29 import sun.jvm.hotspot.ci.*; 30 import sun.jvm.hotspot.debugger.*; 31 import sun.jvm.hotspot.runtime.*; 32 import sun.jvm.hotspot.oops.*; 33 import sun.jvm.hotspot.utilities.GrowableArray; 34 import sun.jvm.hotspot.types.*; 35 36 public class InlineTree extends VMObject { 37 static { 38 VM.registerVMInitializedObserver(new Observer() { 39 public void update(Observable o, Object data) { 40 initialize(VM.getVM().getTypeDataBase()); 41 } 42 }); 43 } 44 45 private static synchronized void initialize(TypeDataBase db) throws WrongTypeException { 46 Type type = db.lookupType("InlineTree"); 47 callerJvmsField = type.getAddressField("_caller_jvms"); 48 methodField = type.getAddressField("_method"); 49 callerTreeField = type.getAddressField("_caller_tree"); 50 subtreesField = type.getAddressField("_subtrees"); 51 } 52 53 private static AddressField callerJvmsField; 54 private static AddressField methodField; 55 private static AddressField callerTreeField; 56 private static AddressField subtreesField; 57 58 private static StaticBaseConstructor inlineTreeConstructor = new StaticBaseConstructor<InlineTree>(InlineTree.class); 59 60 public InlineTree(Address addr) { 61 super(addr); 62 } 63 64 public InlineTree callerTree() { 65 Address addr = callerTreeField.getValue(getAddress()); 66 if (addr == null) return null; 67 68 return new InlineTree(addr); 69 } 70 71 public ciMethod method() { 72 return (ciMethod) ciObjectFactory.get(methodField.getValue(getAddress())); 73 } 74 75 public JVMState callerJvms() { 76 return JVMState.create(callerJvmsField.getValue(getAddress())); 77 } 78 79 public int callerBci() { 80 JVMState jvms = callerJvms(); 81 return (jvms != null) ? jvms.bci() : -1; 82 } 83 84 public GrowableArray<InlineTree> subtrees() { 85 Address addr = getAddress().addOffsetTo(subtreesField.getOffset()); 86 87 return GrowableArray.create(addr, inlineTreeConstructor); 88 } 89 90 public void printImpl(PrintStream st, int indent) { 91 for (int i = 0; i < indent; i++) st.print(" "); 92 st.printf(" @ %d ", callerBci()); 93 method().printShortName(st); 94 st.println(); 95 96 GrowableArray<InlineTree> subt = subtrees(); 97 for (int i = 0 ; i < subt.length(); i++) { 98 subt.at(i).printImpl(st, indent + 2); 99 } 100 } 101 public void print(PrintStream st) { 102 printImpl(st, 2); 103 } 104 }