Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/oops/ArrayData.java @ 4670:41034914e2ee
add MethodContents assumption to fix debbugging issue
author | Lukas Stadler <lukas.stadler@jku.at> |
---|---|
date | Wed, 22 Feb 2012 17:04:27 +0100 |
parents | f6f3bb0ee072 |
children | 4bec1b1f7b33 |
line wrap: on
line source
/* * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * */ 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.*; // ArrayData // // A ArrayData is a base class for accessing profiling data which does // not have a statically known size. It consists of an array length // and an array start. abstract class ArrayData extends ProfileData { static final int arrayLenOffSet = 0; static final int arrayStartOffSet = 1; int arrayUintAt(int index) { int aindex = index + arrayStartOffSet; return uintAt(aindex); } int arrayIntAt(int index) { int aindex = index + arrayStartOffSet; return intAt(aindex); } Oop arrayOopAt(int index) { int aindex = index + arrayStartOffSet; return oopAt(aindex); } // Code generation support for subclasses. static int arrayElementOffset(int index) { return cellOffset(arrayStartOffSet + index); } ArrayData(DataLayout layout) { super(layout); } static int staticCellCount() { return -1; } int arrayLen() { return intAt(arrayLenOffSet); } public int cellCount() { return arrayLen() + 1; } // Code generation support static int arrayLenOffset() { return cellOffset(arrayLenOffSet); } static int arrayStartOffset() { return cellOffset(arrayStartOffSet); } }