| /* |
| * 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; |
| } |
| } |
| } |
| } |
| } |