| /* |
| * Copyright (c) 2011, 2012, 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| package sun.jvm.hotspot.oops; |
| |
| import java.io.*; |
| import java.util.*; |
| import sun.jvm.hotspot.debugger.*; |
| import sun.jvm.hotspot.runtime.*; |
| import sun.jvm.hotspot.types.*; |
| import sun.jvm.hotspot.utilities.*; |
| |
| public abstract class ProfileData { |
| // This is a pointer to a section of profiling data. |
| private DataLayout _data; |
| |
| public DataLayout data() { return _data; } |
| |
| // How many cells are in this? |
| public abstract int cellCount(); |
| |
| |
| // Return the size of this data. |
| public int sizeInBytes() { |
| return DataLayout.computeSizeInBytes(cellCount()); |
| } |
| |
| public int dp() { |
| return data().dp(); |
| } |
| |
| // Low-level accessors for underlying data |
| int intptrAt(int index) { |
| //assert(0 <= index && index < cellCount(), "oob"); |
| return data().cellAt(index); |
| } |
| int intAt(int index) { |
| return (int)intptrAt(index); |
| } |
| int uintAt(int index) { |
| return (int)intptrAt(index); |
| } |
| public Address addressAt(int index) { |
| return data().addressAt(index); |
| } |
| |
| boolean flagAt(int flagNumber) { |
| return data().flagAt(flagNumber); |
| } |
| |
| // two convenient imports for use by subclasses: |
| public static int cellOffset(int index) { |
| return DataLayout.cellOffset(index); |
| } |
| |
| public ProfileData(DataLayout data) { |
| _data = data; |
| } |
| |
| // Constructor for invalid ProfileData. |
| ProfileData() { |
| _data = null; |
| } |
| |
| int bci() { |
| return data().bci(); |
| } |
| |
| int trapState() { |
| return data().trapState(); |
| } |
| public abstract void printDataOn(PrintStream st); |
| |
| void tab(PrintStream st) { |
| st.print("\t"); |
| } |
| |
| void printShared(PrintStream st, String name) { |
| st.print("bci: " + bci()); |
| // st.fillTo(tabWidthOne); |
| st.print(" " + name + " "); |
| tab(st); |
| int trap = trapState(); |
| if (trap != 0) { |
| st.print("trap(" + MethodData.formatTrapState(trap) + ") "); |
| } |
| int flags = data().flags(); |
| if (flags != 0) |
| st.print("flags(" + flags + ") "); |
| } |
| |
| public String toString() { |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| PrintStream ps = new PrintStream(baos); |
| try { |
| printDataOn(ps); |
| } finally { |
| ps.close(); |
| } |
| return baos.toString(); |
| } |
| } |