Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/oops/TypeArray.java @ 18665:96861e3f8cc5
made CFGPrinterObserver reset (upon close) properly
author | Doug Simon <doug.simon@oracle.com> |
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date | Thu, 11 Dec 2014 22:14:30 +0100 |
parents | da91efe96a93 |
children |
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/* * Copyright (c) 2000, 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.*; // A TypeArray is an array containing basic types (non oop elements). // It is used for arrays of {characters, singles, doubles, bytes, shorts, integers, longs} public class TypeArray extends Array { static { VM.registerVMInitializedObserver(new Observer() { public void update(Observable o, Object data) { initialize(VM.getVM().getTypeDataBase()); } }); } private static synchronized void initialize(TypeDataBase db) throws WrongTypeException { Type type = db.lookupType("typeArrayOop"); } TypeArray(OopHandle handle, ObjectHeap heap) { super(handle, heap); } public boolean isTypeArray() { return true; } public byte getByteAt(long index) { if (index < 0 || index >= getLength()) { throw new ArrayIndexOutOfBoundsException(index + " " + getLength()); } long offset = baseOffsetInBytes(BasicType.T_BYTE) + index * getHeap().getByteSize(); return getHandle().getJByteAt(offset); } public boolean getBooleanAt(long index) { long offset = baseOffsetInBytes(BasicType.T_BOOLEAN) + index * getHeap().getBooleanSize(); return getHandle().getJBooleanAt(offset); } public char getCharAt(long index) { long offset = baseOffsetInBytes(BasicType.T_CHAR) + index * getHeap().getCharSize(); return getHandle().getJCharAt(offset); } public int getIntAt(long index) { long offset = baseOffsetInBytes(BasicType.T_INT) + index * getHeap().getIntSize(); return getHandle().getJIntAt(offset); } public short getShortAt(long index) { long offset = baseOffsetInBytes(BasicType.T_SHORT) + index * getHeap().getShortSize(); return getHandle().getJShortAt(offset); } public long getLongAt(long index) { long offset = baseOffsetInBytes(BasicType.T_LONG) + index * getHeap().getLongSize(); return getHandle().getJLongAt(offset); } public float getFloatAt(long index) { long offset = baseOffsetInBytes(BasicType.T_FLOAT) + index * getHeap().getFloatSize(); return getHandle().getJFloatAt(offset); } public double getDoubleAt(long index) { long offset = baseOffsetInBytes(BasicType.T_DOUBLE) + index * getHeap().getDoubleSize(); return getHandle().getJDoubleAt(offset); } public void printValueOn(PrintStream tty) { TypeArrayKlass klass = (TypeArrayKlass) getKlass(); tty.print(klass.getTypeName()); } public void iterateFields(OopVisitor visitor, boolean doVMFields) { super.iterateFields(visitor, doVMFields); TypeArrayKlass klass = (TypeArrayKlass) getKlass(); int length = (int) getLength(); int type = (int) klass.getElementType(); for (int index = 0; index < length; index++) { FieldIdentifier id = new IndexableFieldIdentifier(index); switch (type) { case TypeArrayKlass.T_BOOLEAN: { long offset = baseOffsetInBytes(BasicType.T_BOOLEAN) + index * getHeap().getBooleanSize(); visitor.doBoolean(new BooleanField(id, offset, false), false); break; } case TypeArrayKlass.T_CHAR: { long offset = baseOffsetInBytes(BasicType.T_CHAR) + index * getHeap().getCharSize(); visitor.doChar(new CharField(id, offset, false), false); break; } case TypeArrayKlass.T_FLOAT: { long offset = baseOffsetInBytes(BasicType.T_FLOAT) + index * getHeap().getFloatSize(); visitor.doFloat(new FloatField(id, offset, false), false); break; } case TypeArrayKlass.T_DOUBLE: { long offset = baseOffsetInBytes(BasicType.T_DOUBLE) + index * getHeap().getDoubleSize(); visitor.doDouble(new DoubleField(id, offset, false), false); break; } case TypeArrayKlass.T_BYTE: { long offset = baseOffsetInBytes(BasicType.T_BYTE) + index * getHeap().getByteSize(); visitor.doByte(new ByteField(id, offset, false), false); break; } case TypeArrayKlass.T_SHORT: { long offset = baseOffsetInBytes(BasicType.T_SHORT) + index * getHeap().getShortSize(); visitor.doShort(new ShortField(id, offset, false), false); break; } case TypeArrayKlass.T_INT: { long offset = baseOffsetInBytes(BasicType.T_INT) + index * getHeap().getIntSize(); visitor.doInt(new IntField(id, offset, false), false); break; } case TypeArrayKlass.T_LONG: { long offset = baseOffsetInBytes(BasicType.T_LONG) + index * getHeap().getLongSize(); visitor.doLong(new LongField(id, offset, false), false); break; } } } } }