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bug 270790: Mach-O Parser doesn't recognize x86_64 binaries

Initial copy of non-64 MachO BinaryParser files
This commit is contained in:
Andrew Gvozdev 2009-11-04 14:33:52 +00:00
parent 4d329afecd
commit d046afcb84
7 changed files with 2673 additions and 0 deletions

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/*******************************************************************************
* Copyright (c) 2000, 2007 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
* Craig Watson
* Apple Computer - work on performance optimizations
*******************************************************************************/
package org.eclipse.cdt.utils.macho;
import java.io.IOException;
import java.util.Vector;
import org.eclipse.cdt.utils.macho.MachO.DyLib;
import org.eclipse.cdt.utils.macho.MachO.Section;
import org.eclipse.cdt.utils.macho.MachO.Symbol;
/**
* <code>MachOHelper</code> is a wrapper class for the <code>MachO</code> class
* to provide higher level API for sorting/searching the MachO data.
*
* @see MachO
*/
public class MachOHelper {
private MachO macho;
private MachO.Symbol[] dynsyms;
private MachO.Symbol[] symbols;
private MachO.Section[] sections;
private MachO.DyLib[] needed;
private MachO.DyLib[] sonames;
public void dispose() {
if (macho != null) {
macho.dispose();
macho = null;
}
}
public class Sizes {
public long text;
public long data;
public long bss;
public long total;
public Sizes(long t, long d, long b) {
text = t;
data = d;
bss = b;
total = text + data + bss;
}
}
private void loadBinary() throws IOException {
if (symbols == null) {
macho.loadBinary();
symbols = macho.getSymtabSymbols();
dynsyms = macho.getDynamicSymbols();
sections = macho.getSections();
needed = macho.getDyLibs(MachO.LoadCommand.LC_LOAD_DYLIB);
sonames = macho.getDyLibs(MachO.LoadCommand.LC_ID_DYLIB);
if (dynsyms == null)
dynsyms = symbols;
}
}
/**
* Create a new <code>MachOHelper</code> using an existing <code>MachO</code>
* object.
* @param macho An existing MachO object to wrap.
* @throws IOException Error processing the MachO file.
*/
public MachOHelper(MachO macho) throws IOException {
this.macho = macho;
}
/**
* Create a new <code>MachOHelper</code> based on the given filename.
*
* @param filename The file to use for creating a new MachO object.
* @throws IOException Error processing the MachO file.
* @see MachO#MachO( String )
*/
public MachOHelper(String filename) throws IOException {
macho = new MachO(filename);
}
/**
* Create a new <code>MachOHelper</code> based on the given filename.
*
* @param filename The file to use for creating a new MachO object.
* @throws IOException Error processing the MachO file.
* @see MachO#MachO( String )
*/
public MachOHelper(String filename, long offset) throws IOException {
macho = new MachO(filename, offset);
}
public MachOHelper(String filename, boolean filton) throws IOException {
macho = new MachO(filename, filton);
}
/** Give back the MachO object that this helper is wrapping */
public MachO getMachO() {
return macho;
}
public MachO.Symbol[] getExternalFunctions() throws IOException {
Vector<Symbol> v = new Vector<Symbol>();
loadBinary();
for (Symbol sym : dynsyms) {
if ((sym.n_type_mask(MachO.Symbol.N_PEXT)
|| sym.n_type_mask(MachO.Symbol.N_EXT))
&& sym.n_desc(MachO.Symbol.REFERENCE_FLAG_UNDEFINED_LAZY)) {
String name = sym.toString();
if (name != null && name.trim().length() > 0)
v.add(sym);
}
}
MachO.Symbol[] ret = v.toArray(new MachO.Symbol[0]);
return ret;
}
public MachO.Symbol[] getExternalObjects() throws IOException {
Vector<Symbol> v = new Vector<Symbol>();
loadBinary();
for (Symbol sym : dynsyms) {
if ((sym.n_type_mask(MachO.Symbol.N_PEXT)
|| sym.n_type_mask(MachO.Symbol.N_EXT))
&& sym.n_desc(MachO.Symbol.REFERENCE_FLAG_UNDEFINED_NON_LAZY)) {
String name = sym.toString();
if (name != null && name.trim().length() > 0)
v.add(sym);
}
}
MachO.Symbol[] ret = v.toArray(new MachO.Symbol[0]);
return ret;
}
public MachO.Symbol[] getUndefined() throws IOException {
Vector<Symbol> v = new Vector<Symbol>();
loadBinary();
for (Symbol dynsym : dynsyms) {
if (dynsym.n_type(MachO.Symbol.N_UNDF))
v.add(dynsym);
}
MachO.Symbol[] ret = v.toArray(new MachO.Symbol[0]);
return ret;
}
/*
* TODO: I'm not sure if this are correct. Need to check
*/
public MachO.Symbol[] getLocalFunctions() throws IOException {
Vector<Symbol> v = new Vector<Symbol>();
loadBinary();
for (Symbol sym : dynsyms) {
if ((!sym.n_type_mask(MachO.Symbol.N_PEXT)
&& !sym.n_type_mask(MachO.Symbol.N_EXT))
&& sym.n_desc(MachO.Symbol.REFERENCE_FLAG_PRIVATE_UNDEFINED_LAZY)) {
String name = sym.toString();
if (name != null && name.trim().length() > 0)
v.add(sym);
}
}
MachO.Symbol[] ret = v.toArray(new MachO.Symbol[0]);
return ret;
}
/*
* TODO: I'm not sure if this are correct. Need to check
*/
public MachO.Symbol[] getLocalObjects() throws IOException {
Vector<Symbol> v = new Vector<Symbol>();
loadBinary();
for (Symbol sym : dynsyms) {
if ((!sym.n_type_mask(MachO.Symbol.N_PEXT)
&& !sym.n_type_mask(MachO.Symbol.N_EXT))
&& sym.n_desc(MachO.Symbol.REFERENCE_FLAG_PRIVATE_UNDEFINED_NON_LAZY)) {
String name = sym.toString();
if (name != null && name.trim().length() > 0)
v.add(sym);
}
}
MachO.Symbol[] ret = v.toArray(new MachO.Symbol[0]);
return ret;
}
public MachO.Symbol[] getCommonObjects() throws IOException {
Vector<Symbol> v = new Vector<Symbol>();
loadBinary();
for (int i = 0; i < dynsyms.length; i++) {
MachO.Symbol sym = dynsyms[i];
if (sym.n_type_mask(MachO.Symbol.N_EXT)
&& sym.n_type(MachO.Symbol.N_UNDF)
&& sym.n_value != 0) {
v.add(symbols[i]);
}
}
MachO.Symbol[] ret = v.toArray(new MachO.Symbol[0]);
return ret;
}
public String[] getNeeded() throws IOException {
Vector<String> v = new Vector<String>();
loadBinary();
for (DyLib element : needed) {
v.add(element.toString());
}
return v.toArray(new String[0]);
}
public String getSoname() throws IOException {
String soname = ""; //$NON-NLS-1$
loadBinary();
for (DyLib soname2 : sonames) {
soname = soname2.toString();
}
return soname;
}
// private String getSubUsage(String full, String name) {
// int start, end;
// //boolean has_names = false;
// //boolean has_languages = false;
// start = 0;
// end = 0;
//
// for (int i = 0; i < full.length(); i++) {
// if (full.charAt(i) == '%') {
// if (full.charAt(i + 1) == '-') {
// if (start == 0) {
// int eol = full.indexOf('\n', i + 2);
// String temp = full.substring(i + 2, eol);
// if (temp.compareTo(name) == 0)
// start = eol;
//
// //has_names = true;
// } else if (end == 0) {
// end = i - 1;
// }
// }
//
// //if( full.charAt( i+1 ) == '=' )
// //has_languages = true;
// }
// }
//
// if (end == 0)
// end = full.length();
//
// if (start == 0)
// return full;
//
// return full.substring(start, end);
// }
public String getQnxUsage() throws IOException {
return new String(""); //$NON-NLS-1$
}
public Sizes getSizes() throws IOException {
long text, data, bss;
text = 0;
data = 0;
bss = 0;
// TODO further optimization
// TODO we only need to load the sections, not the whole shebang
loadBinary();
for (Section section : sections) {
MachO.SegmentCommand seg = section.segment;
if (section.flags(MachO.Section.SECTION_TYP) != MachO.Section.S_ZEROFILL) {
if (seg.prot(MachO.SegmentCommand.VM_PROT_EXECUTE)) {
text += section.size;
} else if (!seg.prot(MachO.SegmentCommand.VM_PROT_WRITE)) {
data += section.size;
}
} else {
if (seg.prot(MachO.SegmentCommand.VM_PROT_WRITE)) {
bss += section.size;
}
}
}
return new Sizes(text, data, bss);
}
}

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/*******************************************************************************
* Copyright (c) 2002, 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.macho.parser;
import java.io.IOException;
import java.util.ArrayList;
import org.eclipse.cdt.core.IBinaryParser;
import org.eclipse.cdt.core.IBinaryParser.IBinaryArchive;
import org.eclipse.cdt.core.IBinaryParser.IBinaryFile;
import org.eclipse.cdt.core.IBinaryParser.IBinaryObject;
import org.eclipse.cdt.utils.BinaryFile;
import org.eclipse.cdt.utils.macho.AR;
import org.eclipse.core.runtime.IPath;
/**
*/
public class MachOBinaryArchive extends BinaryFile implements IBinaryArchive {
ArrayList<IBinaryObject> children;
public MachOBinaryArchive(IBinaryParser parser, IPath p) throws IOException {
super(parser, p, IBinaryFile.ARCHIVE);
new AR(p.toOSString()).dispose(); // check file type
children = new ArrayList<IBinaryObject>(5);
}
/**
* @see org.eclipse.cdt.core.IBinaryParser.IBinaryArchive#getObjects()
*/
public IBinaryObject[] getObjects() {
if (hasChanged()) {
children.clear();
AR ar = null;
try {
ar = new AR(getPath().toOSString());
AR.ARHeader[] headers = ar.getHeaders();
for (int i = 0; i < headers.length; i++) {
IBinaryObject bin = new MachOBinaryObject(getBinaryParser(), getPath(), headers[i]);
children.add(bin);
}
} catch (IOException e) {
//e.printStackTrace();
}
if (ar != null) {
ar.dispose();
}
children.trimToSize();
}
return children.toArray(new IBinaryObject[0]);
}
}

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/*******************************************************************************
* Copyright (c) 2004, 2006 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.macho.parser;
import org.eclipse.cdt.core.IBinaryParser;
import org.eclipse.cdt.core.IBinaryParser.IBinaryExecutable;
import org.eclipse.cdt.core.IBinaryParser.IBinaryFile;
import org.eclipse.core.runtime.IPath;
public class MachOBinaryExecutable extends MachOBinaryObject implements IBinaryExecutable {
public MachOBinaryExecutable(IBinaryParser parser, IPath path) {
super(parser, path, IBinaryFile.EXECUTABLE);
}
}

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/*******************************************************************************
* Copyright (c) 2002, 2007 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
* Apple Computer - work on performance optimizations
*******************************************************************************/
package org.eclipse.cdt.utils.macho.parser;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.eclipse.cdt.core.IAddress;
import org.eclipse.cdt.core.IAddressFactory;
import org.eclipse.cdt.core.IBinaryParser;
import org.eclipse.cdt.core.ISymbolReader;
import org.eclipse.cdt.core.IBinaryParser.IBinaryFile;
import org.eclipse.cdt.core.IBinaryParser.ISymbol;
import org.eclipse.cdt.utils.Addr32;
import org.eclipse.cdt.utils.Addr32Factory;
import org.eclipse.cdt.utils.BinaryObjectAdapter;
import org.eclipse.cdt.utils.CPPFilt;
import org.eclipse.cdt.utils.Symbol;
import org.eclipse.cdt.utils.macho.AR;
import org.eclipse.cdt.utils.macho.MachO;
import org.eclipse.cdt.utils.macho.MachOHelper;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
/*
* MachOBinaryObject
*/
public class MachOBinaryObject extends BinaryObjectAdapter {
protected AR.ARHeader header;
protected IAddressFactory addressFactory;
protected MachO.Attribute attributes;
protected MachOHelper.Sizes sizes;
protected ISymbol[] symbols;
protected String soname;
protected String[] needed;
protected long timeStamp;
private static final String[] NO_NEEDED = new String[0];
/**
* @param parser
* @param path
* @param header
*/
public MachOBinaryObject(IBinaryParser parser, IPath path, AR.ARHeader header) {
super(parser, path, IBinaryFile.OBJECT);
this.header = header;
}
/**
* @param parser
* @param path
* @param type
*/
public MachOBinaryObject(IBinaryParser parser, IPath path, int type) {
super(parser, path, type);
}
/* (non-Javadoc)
* @see org.eclipse.cdt.utils.BinaryObjectAdapter#getBinaryObjectInfo()
*/
@Override
protected BinaryObjectInfo getBinaryObjectInfo() {
// we don't use this method
// overload to do nothing
return new BinaryObjectInfo();
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.IBinaryParser.IBinaryFile#getContents()
*/
@Override
public InputStream getContents() throws IOException {
if (getPath() != null && header != null) {
return new ByteArrayInputStream(header.getObjectData());
}
return super.getContents();
}
protected MachOHelper getMachOHelper() throws IOException {
IPath path = getPath();
if (path != null) {
if (header != null) {
return new MachOHelper(path.toOSString(), header.getObjectDataOffset());
} else {
return new MachOHelper(path.toOSString());
}
}
return null;
}
/**
* @see org.eclipse.cdt.core.IBinaryParser.IBinaryObject#getName()
*/
@Override
public String getName() {
if (header != null) {
return header.getObjectName();
}
return super.getName();
}
/* (non-Javadoc)
* @see org.eclipse.cdt.utils.BinaryObjectAdapter#getAddressFactory()
*/
@Override
public IAddressFactory getAddressFactory() {
if (addressFactory == null) {
addressFactory = new Addr32Factory();
}
return addressFactory;
}
protected void clearCachedValues() {
attributes = null;
sizes = null;
symbols = null;
soname = null;
needed = null;
}
protected MachO.Attribute internalGetAttributes() {
if (hasChanged()) {
clearCachedValues();
}
if (attributes == null) {
MachOHelper helper = null;
try {
helper = getMachOHelper();
if (helper != null) {
attributes = helper.getMachO().getAttributes();
}
} catch (IOException e) {
} finally {
if (helper != null) {
helper.dispose();
}
}
}
return attributes;
}
protected MachOHelper.Sizes internalGetSizes() {
if (hasChanged()) {
clearCachedValues();
}
if (sizes == null) {
MachOHelper helper = null;
try {
helper = getMachOHelper();
if (helper != null) {
sizes = helper.getSizes();
// since we're invoking the helper we might as well update
// the attributes since it's a pretty lightweight operation
if (attributes == null) {
attributes = helper.getMachO().getAttributes();
}
}
} catch (IOException e) {
} finally {
if (helper != null) {
helper.dispose();
}
}
}
return sizes;
}
protected ISymbol[] internalGetSymbols() {
if (hasChanged()) {
clearCachedValues();
}
if (symbols == null) {
loadBinaryInfo();
}
return symbols;
}
protected String internalGetSoName() {
if (hasChanged()) {
clearCachedValues();
}
if (soname == null) {
loadBinaryInfo();
}
return soname;
}
protected String[] internalGetNeeded() {
if (hasChanged()) {
clearCachedValues();
}
if (needed == null) {
loadBinaryInfo();
}
return needed;
}
protected void loadBinaryInfo() {
MachOHelper helper = null;
try {
helper = getMachOHelper();
if (helper != null) {
//TODO we can probably optimize this further in MachOHelper
symbols = loadSymbols(helper);
//TODO is the sort necessary?
Arrays.sort(symbols);
soname = helper.getSoname();
needed = helper.getNeeded();
// since we're invoking the helper we might as well update the
// sizes since it's a pretty lightweight operation by comparison
if (sizes == null) {
sizes = helper.getSizes();
}
// since we're invoking the helper we might as well update the
// attributes since it's a pretty lightweight operation by comparison
if (attributes == null) {
attributes = helper.getMachO().getAttributes();
}
}
} catch (IOException e) {
symbols = NO_SYMBOLS;
} finally {
if (helper != null) {
helper.dispose();
}
}
}
protected ISymbol[] loadSymbols(MachOHelper helper) throws IOException {
CPPFilt cppfilt = null;
try {
ArrayList<Symbol> list = new ArrayList<Symbol>();
// Hack should be remove when Elf is clean
helper.getMachO().setCppFilter(false);
cppfilt = getCPPFilt();
//TODO we can probably optimize this further in MachOHelper
addSymbols(helper.getExternalFunctions(), ISymbol.FUNCTION, cppfilt, list);
addSymbols(helper.getLocalFunctions(), ISymbol.FUNCTION, cppfilt, list);
addSymbols(helper.getExternalObjects(), ISymbol.VARIABLE, cppfilt, list);
addSymbols(helper.getLocalObjects(), ISymbol.VARIABLE, cppfilt, list);
return list.toArray(new ISymbol[list.size()]);
} finally {
if (cppfilt != null) {
cppfilt.dispose();
}
}
}
protected CPPFilt getCPPFilt() {
MachOParser parser = (MachOParser) getBinaryParser();
return parser.getCPPFilt();
}
private void addSymbols(MachO.Symbol[] array, int type, CPPFilt cppfilt, List<Symbol> list) {
for (org.eclipse.cdt.utils.macho.MachO.Symbol element : array) {
String name = element.toString();
if (cppfilt != null) {
try {
name = cppfilt.getFunction(name);
} catch (IOException e1) {
cppfilt = null;
}
}
long addr = element.n_value;
int size = 0;
String filename = element.getFilename();
IPath filePath = (filename != null) ? new Path(filename) : null;
list.add(new Symbol(this, name, type, new Addr32(element.n_value), size, filePath, element.getLineNumber(addr), element.getLineNumber(addr + size - 1)));
}
}
@Override
public String getCPU() {
MachO.Attribute attribute = internalGetAttributes();
if (attribute != null) {
return attribute.getCPU();
}
return ""; //$NON-NLS-1$
}
@Override
public boolean hasDebug() {
MachO.Attribute attribute = internalGetAttributes();
if (attribute != null) {
return attribute.hasDebug();
}
return false;
}
@Override
public boolean isLittleEndian() {
MachO.Attribute attribute = internalGetAttributes();
if (attribute != null) {
return attribute.isLittleEndian();
}
return false;
}
@Override
public long getBSS() {
MachOHelper.Sizes size = internalGetSizes();
if (size != null) {
return size.bss;
}
return 0;
}
@Override
public long getData() {
MachOHelper.Sizes size = internalGetSizes();
if (size != null) {
return size.data;
}
return 0;
}
@Override
public long getText() {
MachOHelper.Sizes size = internalGetSizes();
if (size != null) {
return size.text;
}
return 0;
}
@Override
public ISymbol[] getSymbols() {
ISymbol[] syms = internalGetSymbols();
if (syms != null) {
return syms;
}
return NO_SYMBOLS;
}
@Override
public ISymbol getSymbol(IAddress addr) {
//TODO should this be cached?
// fall back to super implementation for now
return super.getSymbol(addr);
}
@Override
public String[] getNeededSharedLibs() {
String[] libs = internalGetNeeded();
if (libs != null) {
return libs;
}
return NO_NEEDED;
}
@Override
public String getSoName() {
String name = internalGetSoName();
if (name != null) {
return name;
}
return ""; //$NON-NLS-1$
}
@Override
protected boolean hasChanged() {
IPath path = getPath();
if (path != null) {
File file = path.toFile();
if (file != null) {
long modification = file.lastModified();
if (modification != timeStamp) {
timeStamp = modification;
return true;
}
}
}
return false;
}
/* (non-Javadoc)
* @see org.eclipse.core.runtime.IAdaptable#getAdapter(java.lang.Class)
*/
@SuppressWarnings("unchecked")
@Override
public Object getAdapter(Class adapter) {
if (adapter.equals(MachO.class)) {
try {
return new MachO(getPath().toOSString());
} catch (IOException e) {
}
}
if (adapter.equals(ISymbolReader.class)) {
MachO macho = (MachO)getAdapter(MachO.class);
if (macho != null) {
return macho.getSymbolReader();
}
}
return super.getAdapter(adapter);
}
}

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/*******************************************************************************
* Copyright (c) 2004, 2006 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.macho.parser;
import org.eclipse.cdt.core.IBinaryParser;
import org.eclipse.cdt.core.IBinaryParser.IBinaryFile;
import org.eclipse.cdt.core.IBinaryParser.IBinaryShared;
import org.eclipse.core.runtime.IPath;
public class MachOBinaryShared extends MachOBinaryObject implements IBinaryShared {
protected MachOBinaryShared(IBinaryParser parser, IPath path) {
super(parser, path, IBinaryFile.SHARED);
}
}

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/*******************************************************************************
* Copyright (c) 2002, 2007 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.macho.parser;
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.core.ICExtensionReference;
import org.eclipse.cdt.utils.CPPFilt;
import org.eclipse.cdt.utils.macho.AR;
import org.eclipse.cdt.utils.macho.MachO;
import org.eclipse.cdt.utils.macho.MachO.Attribute;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
/**
*/
public class MachOParser 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);
}
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 {
MachO.Attribute attribute = null;
if (hints != null && hints.length > 0) {
try {
attribute = MachO.getAttributes(hints);
} catch (IOException eof) {
// continue, the array was to small.
}
}
//Take a second run at it if the data array failed.
if(attribute == null) {
attribute = MachO.getAttributes(path.toOSString());
}
if (attribute != null) {
switch (attribute.getType()) {
case Attribute.MACHO_TYPE_EXE :
binary = createBinaryExecutable(path);
break;
case Attribute.MACHO_TYPE_SHLIB :
binary = createBinaryShared(path);
break;
case Attribute.MACHO_TYPE_OBJ :
binary = createBinaryObject(path);
break;
case Attribute.MACHO_TYPE_CORE :
binary = createBinaryCore(path);
break;
}
}
} catch (IOException e) {
binary = createBinaryArchive(path);
}
return binary;
}
/**
* @see org.eclipse.cdt.core.IBinaryParser#getFormat()
*/
public String getFormat() {
return "MACHO"; //$NON-NLS-1$
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.IBinaryParser#isBinary(byte[], org.eclipse.core.runtime.IPath)
*/
public boolean isBinary(byte[] array, IPath path) {
return MachO.isMachOHeader(array) || AR.isARHeader(array);
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.IBinaryParser#getBufferSize()
*/
public int getHintBufferSize() {
return 128;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.utils.IGnuToolProvider#getCPPFilt()
*/
public CPPFilt getCPPFilt() {
IPath cppFiltPath = getCPPFiltPath();
CPPFilt cppfilt = null;
if (cppFiltPath != null && ! cppFiltPath.isEmpty()) {
try {
cppfilt = new CPPFilt(cppFiltPath.toOSString());
} catch (IOException e2) {
}
}
return cppfilt;
}
protected IPath getCPPFiltPath() {
ICExtensionReference ref = getExtensionReference();
String value = ref.getExtensionData("c++filt"); //$NON-NLS-1$
if (value == null || value.length() == 0) {
value = "c++filt"; //$NON-NLS-1$
}
return new Path(value);
}
protected IBinaryArchive createBinaryArchive(IPath path) throws IOException {
return new MachOBinaryArchive(this, path);
}
protected IBinaryObject createBinaryObject(IPath path) throws IOException {
return new MachOBinaryObject(this, path, IBinaryFile.OBJECT);
}
protected IBinaryExecutable createBinaryExecutable(IPath path) throws IOException {
return new MachOBinaryExecutable(this, path);
}
protected IBinaryShared createBinaryShared(IPath path) throws IOException {
return new MachOBinaryShared(this, path);
}
protected IBinaryObject createBinaryCore(IPath path) throws IOException {
return new MachOBinaryObject(this, path, IBinaryFile.CORE);
}
}