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.oops; 26 27 import java.io.*; 28 import java.util.*; 29 import sun.jvm.hotspot.debugger.*; 30 import sun.jvm.hotspot.runtime.*; 31 import sun.jvm.hotspot.types.*; 32 import sun.jvm.hotspot.utilities.*; 33 34 public abstract class ProfileData { 35 // This is a pointer to a section of profiling data. 36 private DataLayout _data; 37 38 public DataLayout data() { return _data; } 39 40 // How many cells are in this? 41 public abstract int cellCount(); 42 43 44 // Return the size of this data. 45 public int sizeInBytes() { 46 return DataLayout.computeSizeInBytes(cellCount()); 47 } 48 49 public int dp() { 50 return data().dp(); 51 } 52 53 // Low-level accessors for underlying data 54 int intptrAt(int index) { 55 //assert(0 <= index && index < cellCount(), "oob"); 56 return data().cellAt(index); 57 } 58 int intAt(int index) { 59 return (int)intptrAt(index); 60 } 61 int uintAt(int index) { 62 return (int)intptrAt(index); 63 } 64 Oop oopAt(int index) { 65 return data().oopAt(index); 66 } 67 68 public Address addressAt(int index) { 69 return data().addressAt(index); 70 } 71 72 boolean flagAt(int flagNumber) { 73 return data().flagAt(flagNumber); 74 } 75 76 // two convenient imports for use by subclasses: 77 public static int cellOffset(int index) { 78 return DataLayout.cellOffset(index); 79 } 80 81 public ProfileData(DataLayout data) { 82 _data = data; 83 } 84 85 // Constructor for invalid ProfileData. 86 ProfileData() { 87 _data = null; 88 } 89 90 int bci() { 91 return data().bci(); 92 } 93 94 int trapState() { 95 return data().trapState(); 96 } 97 public abstract void printDataOn(PrintStream st); 98 99 void tab(PrintStream st) { 100 st.print("\t"); 101 } 102 103 void printShared(PrintStream st, String name) { 104 st.print("bci: " + bci()); 105 // st.fillTo(tabWidthOne); 106 st.print(" " + name + " "); 107 tab(st); 108 int trap = trapState(); 109 if (trap != 0) { 110 st.print("trap(" + MethodData.formatTrapState(trap) + ") "); 111 } 112 int flags = data().flags(); 113 if (flags != 0) 114 st.print("flags(" + flags + ") "); 115 } 116 117 public String toString() { 118 ByteArrayOutputStream baos = new ByteArrayOutputStream(); 119 PrintStream ps = new PrintStream(baos); 120 try { 121 printDataOn(ps); 122 } finally { 123 ps.close(); 124 } 125 return baos.toString(); 126 } 127 }