Mercurial > hg > truffle
diff agent/src/share/classes/sun/jvm/hotspot/oops/ProfileData.java @ 3939:f6f3bb0ee072
7088955: add C2 IR support to the SA
Reviewed-by: kvn
author | never |
---|---|
date | Sun, 11 Sep 2011 14:48:24 -0700 |
parents | |
children | da91efe96a93 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/agent/src/share/classes/sun/jvm/hotspot/oops/ProfileData.java Sun Sep 11 14:48:24 2011 -0700 @@ -0,0 +1,127 @@ +/* + * 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(); + } +}