/* -*- mode: C++; c-basic-offset: 4; tab-width: 4 -*-
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 * Copyright (c) 2009-2010 Apple Inc. All rights reserved.
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 *
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this
 * file.
 *
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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#ifndef __LTO_FILE_H__
#define __LTO_FILE_H__

#include "ld.hpp"

namespace lto {

extern const char* version();

extern bool libLTOisLoaded();

extern const char* archName(const uint8_t* fileContent, uint64_t fileLength);

extern bool isObjectFile(const uint8_t* fileContent, uint64_t fileLength, cpu_type_t architecture, cpu_subtype_t subarch);

extern ld::relocatable::File* parse(const uint8_t* fileContent, uint64_t fileLength, 
									const char* path, time_t modTime, ld::File::Ordinal ordinal,
									cpu_type_t architecture, cpu_subtype_t subarch, bool logAllFiles,
									bool verboseOptimizationHints);

struct OptimizeOptions {
	const char*							outputFilePath;
	const char*							tmpObjectFilePath;
	bool								preserveAllGlobals;
	bool								verbose; 
	bool								saveTemps; 
	bool								pie; 
	bool								mainExecutable; 
	bool								staticExecutable; 
	bool								relocatable;
	bool								allowTextRelocs; 
	bool								linkerDeadStripping; 
	bool								needsUnwindInfoSection; 
	bool								keepDwarfUnwind; 
	bool								verboseOptimizationHints;
	cpu_type_t							arch;
	const char*							mcpu;
	const std::vector<const char*>*		llvmOptions;
};

extern bool	optimize(   const std::vector<const ld::Atom*>&	allAtoms,
						ld::Internal&						state,
						const OptimizeOptions&				options,
						ld::File::AtomHandler&				handler,
						std::vector<const ld::Atom*>&		newAtoms, 
						std::vector<const char*>&			additionalUndefines);
						
} // namespace lto


#endif // __LTO_FILE_H__


