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/*******************************************************************************
* Copyright (c) 2004, 2015 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM - Initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.utils.xcoff.parser;
import java.io.EOFException;
import java.io.IOException;
import org.eclipse.cdt.core.AbstractCExtension;
import org.eclipse.cdt.core.CCorePlugin;
import org.eclipse.cdt.core.IBinaryParser;
import org.eclipse.cdt.utils.DefaultGnuToolFactory;
import org.eclipse.cdt.utils.IGnuToolFactory;
import org.eclipse.cdt.utils.xcoff.AR;
import org.eclipse.cdt.utils.xcoff.XCoff32;
import org.eclipse.core.runtime.IPath;
/**
* XCOFF 32bit binary parser for AIX
*
* @author vhirsl
*/
public class XCOFF32Parser extends AbstractCExtension implements IBinaryParser {
private IGnuToolFactory toolFactory;
@Override
public IBinaryFile getBinary(byte[] hints, IPath path) throws IOException {
if (path == null) {
throw new IOException(CCorePlugin.getResourceString("Util.exception.nullPath")); //$NON-NLS-1$
}
IBinaryFile binary = null;
try {
XCoff32.Attribute attribute = null;
if (hints != null && hints.length > 0) {
try {
attribute = XCoff32.getAttributes(hints);
} catch (EOFException eof) {
// continue, the array was to small.
}
}
//Take a second run at it if the data array failed.
if (attribute == null) {
attribute = XCoff32.getAttributes(path.toOSString());
}
if (attribute != null) {
switch (attribute.getType()) {
case XCoff32.Attribute.XCOFF_TYPE_EXE:
binary = createBinaryExecutable(path);
break;
case XCoff32.Attribute.XCOFF_TYPE_SHLIB:
binary = createBinaryShared(path);
break;
case XCoff32.Attribute.XCOFF_TYPE_OBJ:
binary = createBinaryObject(path);
break;
case XCoff32.Attribute.XCOFF_TYPE_CORE:
binary = createBinaryCore(path);
break;
}
}
} catch (IOException e) {
binary = createBinaryArchive(path);
}
return binary;
}
@Override
public IBinaryFile getBinary(IPath path) throws IOException {
return getBinary(null, path);
}
@Override
public String getFormat() {
return "XCOFF32"; //$NON-NLS-1$
}
@Override
public boolean isBinary(byte[] hints, IPath path) {
return XCoff32.isXCOFF32Header(hints) || AR.isARHeader(hints);
}
@Override
public int getHintBufferSize() {
return 512;
}
/**
* @param path
* @return
*/
private IBinaryFile createBinaryExecutable(IPath path) {
return new XCOFFBinaryExecutable(this, path);
}
/**
* @param path
* @return
*/
private IBinaryShared createBinaryShared(IPath path) {
return new XCOFFBinaryShared(this, path);
}
/**
* @param path
* @return
*/
private IBinaryObject createBinaryObject(IPath path) {
return new XCOFFBinaryObject(this, path, IBinaryFile.OBJECT);
}
/**
* @param path
* @return
*/
private IBinaryObject createBinaryCore(IPath path) {
return new XCOFFBinaryObject(this, path, IBinaryFile.CORE);
}
/**
* @param path
* @return @throws
* IOException
*/
private IBinaryFile createBinaryArchive(IPath path) throws IOException {
return new XCOFFBinaryArchive(this, path);
}
/**
* @return
*/
private DefaultGnuToolFactory createGNUToolFactory() {
return new DefaultGnuToolFactory(this);
}
@Override
@SuppressWarnings("unchecked")
public <T> T getAdapter(Class<T> adapter) {
if (adapter.equals(IGnuToolFactory.class)) {
if (toolFactory == null) {
toolFactory = createGNUToolFactory();
}
return (T) toolFactory;
}
return super.getAdapter(adapter);
}
}
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