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/*******************************************************************************
* Copyright (c) 2000, 2008 QNX Software Systems and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* QNX Software Systems - Initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.utils.coff.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.AR;
import org.eclipse.cdt.utils.coff.PE;
import org.eclipse.cdt.utils.coff.PEConstants;
import org.eclipse.cdt.utils.coff.PE.Attribute;
import org.eclipse.core.runtime.IPath;
/**
*/
public class PEParser extends AbstractCExtension implements IBinaryParser {
/* (non-Javadoc)
* @see org.eclipse.cdt.core.IBinaryParser#getBinary(org.eclipse.core.runtime.IPath)
*/
public IBinaryFile getBinary(IPath path) throws IOException {
return getBinary(null, path);
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.IBinaryParser#getBinary(byte[], org.eclipse.core.runtime.IPath)
*/
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 {
PE.Attribute attribute = null;
if (hints != null && hints.length > 0) {
try {
attribute = PE.getAttribute(hints);
} catch (EOFException e) {
// continue to try
}
}
// the hints may have to small, keep on trying.
if (attribute == null) {
attribute = PE.getAttribute(path.toOSString());
}
if (attribute != null) {
switch (attribute.getType()) {
case Attribute.PE_TYPE_EXE :
binary = createBinaryExecutable(path);
break;
case Attribute.PE_TYPE_SHLIB :
binary = createBinaryShared(path);
break;
case Attribute.PE_TYPE_OBJ :
binary = createBinaryObject(path);
break;
case Attribute.PE_TYPE_CORE :
binary = createBinaryCore(path);
break;
}
}
} catch (IOException e) {
// Is it an Archive?
binary = createBinaryArchive(path);
}
return binary;
}
/**
* @see org.eclipse.cdt.core.IBinaryParser#getFormat()
*/
public String getFormat() {
return "PE"; //$NON-NLS-1$
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.IBinaryParser#isBinary(byte[], org.eclipse.core.runtime.IPath)
*/
public boolean isBinary(byte[] array, IPath path) {
boolean isBin = PE.isExeHeader(array) || AR.isARHeader(array);
// It maybe an object file try the known machine types.
if (!isBin && array.length > 1) {
int f_magic = (((array[1] & 0xff) << 8) | (array[0] & 0xff));
switch (f_magic) {
case PEConstants.IMAGE_FILE_MACHINE_ALPHA:
case PEConstants.IMAGE_FILE_MACHINE_ARM:
case PEConstants.IMAGE_FILE_MACHINE_ALPHA64:
case PEConstants.IMAGE_FILE_MACHINE_I386:
case PEConstants.IMAGE_FILE_MACHINE_IA64:
case PEConstants.IMAGE_FILE_MACHINE_M68K:
case PEConstants.IMAGE_FILE_MACHINE_MIPS16:
case PEConstants.IMAGE_FILE_MACHINE_MIPSFPU:
case PEConstants.IMAGE_FILE_MACHINE_MIPSFPU16:
case PEConstants.IMAGE_FILE_MACHINE_POWERPC:
case PEConstants.IMAGE_FILE_MACHINE_R3000:
case PEConstants.IMAGE_FILE_MACHINE_R4000:
case PEConstants.IMAGE_FILE_MACHINE_R10000:
case PEConstants.IMAGE_FILE_MACHINE_SH3:
case PEConstants.IMAGE_FILE_MACHINE_SH4:
case PEConstants.IMAGE_FILE_MACHINE_THUMB:
case PEConstants.IMAGE_FILE_MACHINE_ARM2:
// Ok;
isBin = true;
break;
}
}
return isBin;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.IBinaryParser#getHintBufferSize()
*/
public int getHintBufferSize() {
return 512;
}
protected IBinaryExecutable createBinaryExecutable(IPath path) {
return new PEBinaryExecutable(this, path);
}
protected IBinaryObject createBinaryCore(IPath path) {
return new PEBinaryObject(this, path, IBinaryFile.CORE);
}
protected IBinaryObject createBinaryObject(IPath path) {
return new PEBinaryObject(this, path, IBinaryFile.OBJECT);
}
protected IBinaryShared createBinaryShared(IPath path) {
return new PEBinaryShared(this, path);
}
protected IBinaryArchive createBinaryArchive(IPath path) throws IOException {
return new PEBinaryArchive(this, path);
}
}
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