/*
* Copyright (c) 2007, 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
package com.sun.max.vm.layout;
import com.sun.max.unsafe.*;
import com.sun.max.vm.actor.holder.*;
import com.sun.max.vm.actor.member.*;
import com.sun.max.vm.layout.Layout.HeaderField;
/**
*/
public interface TupleLayout extends SpecificLayout {
int getFieldOffsetInCell(FieldActor fieldActor);
/**
* Determine offsets for the given field actors.
* Update each field actor with its offset.
*
* @param superClassActor super class that we inherit already laid out fields from
* @param fieldActors field actors that will have their offsets assigned
* @return the resulting object size (including header and fields)
*/
Size layoutFields(ClassActor superClassActor, FieldActor[] fieldActors);
/**
* Gets the header fields of this tuple object layout.
*
* @return an array of header field descriptors sorted by ascending order of the field addresses in memory
*/
HeaderField[] headerFields();
}