Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/oops/ProfileData.java @ 3945:8ed53447f690
Merge
author | iveresov |
---|---|
date | Thu, 15 Sep 2011 12:44:09 -0700 |
parents | f6f3bb0ee072 |
children | da91efe96a93 |
line wrap: on
line source
/* * Copyright (c) 2011, 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.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); } Oop oopAt(int index) { return data().oopAt(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(); } }