Mercurial > hg > graal-compiler
diff agent/src/share/classes/sun/jvm/hotspot/oops/TypeArray.java @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/agent/src/share/classes/sun/jvm/hotspot/oops/TypeArray.java Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,151 @@ +/* + * Copyright 2000-2007 Sun Microsystems, Inc. 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.*; + +// 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("typeArrayOopDesc"); + } + + TypeArray(OopHandle handle, ObjectHeap heap) { + super(handle, heap); + } + + public boolean isTypeArray() { return true; } + + public byte getByteAt(long index) { + 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; + } + } + } + } +}