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