/*
* Copyright (c) 2013, 2017, 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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 com.oracle.objectfile;
import java.util.Map;
import com.oracle.objectfile.ObjectFile.Element;
public abstract class BasicElementImpl implements ElementImpl {
private Element element;
public BasicElementImpl(Element element) {
this.element = element;
}
Sometimes the element cannot be constructed until the Impl is available (e.g. when using
ObjectFile.newUserDefinedSection()). If you use this constructor, you must called setElement
before using any other methods.
/**
* Sometimes the element cannot be constructed until the Impl is available (e.g. when using
* ObjectFile.newUserDefinedSection()). If you use this constructor, you must called setElement
* before using any other methods.
*/
public BasicElementImpl() {
}
@Override
public void setElement(Element element) {
/*
* Callers are allowed to redundantly set the same element, but they're not allowed to
* change it
*/
assert element != null;
assert this.element == null || this.element == element;
this.element = element;
}
public ObjectFile getOwner() {
return element.getOwner();
}
@Override
public Element getElement() {
assert element != null;
return element;
}
@Override
public int getAlignment() {
return element.getAlignment();
}
@Override
public Iterable<BuildDependency> getDependencies(Map<Element, LayoutDecisionMap> decisions) {
return ObjectFile.defaultDependencies(decisions, element);
}
@Override
public LayoutDecisionMap getDecisions(LayoutDecisionMap copyingIn) {
return ObjectFile.defaultDecisions(element, copyingIn);
}
@Override
public int getOrDecideOffset(Map<Element, LayoutDecisionMap> alreadyDecided, int offsetHint) {
return ObjectFile.defaultGetOrDecideOffset(alreadyDecided, element, offsetHint);
}
@Override
public int getOrDecideSize(Map<Element, LayoutDecisionMap> alreadyDecided, int sizeHint) {
return ObjectFile.defaultGetOrDecideSize(alreadyDecided, element, sizeHint);
}
@Override
public int getOrDecideVaddr(Map<Element, LayoutDecisionMap> alreadyDecided, int vaddrHint) {
return ObjectFile.defaultGetOrDecideVaddr(alreadyDecided, element, vaddrHint);
}
@Override
public int getMemSize(Map<Element, LayoutDecisionMap> alreadyDecided) {
return (int) alreadyDecided.get(element).getDecidedValue(LayoutDecision.Kind.SIZE);
}
@Override
public boolean isReferenceable() {
return isLoadable();
}
}