src/ld/parsers/lto_file.h

/* -*- mode: C++; c-basic-offset: 4; tab-width: 4 -*-
 *
 * Copyright (c) 2009-2010 Apple Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 *
 * 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
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 *
 * @APPLE_LICENSE_HEADER_END@
 */

#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 bool hasObjCCategory(const uint8_t* fileContent, uint64_t fileLength);

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;
	const char*							ltoCachePath;
	int									ltoPruneInterval;
	int									ltoPruneAfter;
	unsigned							ltoMaxCacheSize;
	bool								preserveAllGlobals;
	bool								verbose;
	bool								saveTemps;
	bool								ltoCodegenOnly;
	bool								pie;
	bool								mainExecutable;
	bool								staticExecutable;
	bool								relocatable;
	bool								allowTextRelocs;
	bool								linkerDeadStripping;
	bool								needsUnwindInfoSection;
	bool								keepDwarfUnwind;
	bool								verboseOptimizationHints;
	bool								armUsesZeroCostExceptions;
	bool								simulator;
	bool								ignoreMismatchPlatform;
	bool								bitcodeBundle;
	uint8_t								maxDefaultCommonAlignment;
	cpu_type_t							arch;
	const char*							mcpu;
	Options::Platform					platform;
	uint32_t							minOSVersion;
	const std::vector<const char*>*		llvmOptions;
	const std::vector<const char*>*		initialUndefines;
};

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__
Commit	Line	Data
	1	/* -- mode: C++; c-basic-offset: 4; tab-width: 4 --
	2	*
	3	* Copyright (c) 2009-2010 Apple Inc. All rights reserved.
	4	*
	5	* @APPLE_LICENSE_HEADER_START@
	6	*
	7	* This file contains Original Code and/or Modifications of Original Code
	8	* as defined in and that are subject to the Apple Public Source License
	9	* Version 2.0 (the 'License'). You may not use this file except in
	10	* compliance with the License. Please obtain a copy of the License at
	11	* http://www.opensource.apple.com/apsl/ and read it before using this
	12	* file.
	13	*
	14	* The Original Code and all software distributed under the License are
	15	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	16	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	17	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	18	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	19	* Please see the License for the specific language governing rights and
	20	* limitations under the License.
	21	*
	22	* @APPLE_LICENSE_HEADER_END@
	23	*/
	24
	25	#ifndef __LTO_FILE_H__
	26	#define __LTO_FILE_H__
	27
	28	#include "ld.hpp"
	29
	30	namespace lto {
	31
	32	extern const char* version();
	33
	34	extern bool libLTOisLoaded();
	35
	36	extern const char* archName(const uint8_t* fileContent, uint64_t fileLength);
	37
	38	extern bool isObjectFile(const uint8_t* fileContent, uint64_t fileLength, cpu_type_t architecture, cpu_subtype_t subarch);
	39
	40	extern bool hasObjCCategory(const uint8_t* fileContent, uint64_t fileLength);
	41
	42	extern ld::relocatable::File* parse(const uint8_t* fileContent, uint64_t fileLength,
	43	const char* path, time_t modTime, ld::File::Ordinal ordinal,
	44	cpu_type_t architecture, cpu_subtype_t subarch, bool logAllFiles,
	45	bool verboseOptimizationHints);
	46
	47	struct OptimizeOptions {
	48	const char* outputFilePath;
	49	const char* tmpObjectFilePath;
	50	const char* ltoCachePath;
	51	int ltoPruneInterval;
	52	int ltoPruneAfter;
	53	unsigned ltoMaxCacheSize;
	54	bool preserveAllGlobals;
	55	bool verbose;
	56	bool saveTemps;
	57	bool ltoCodegenOnly;
	58	bool pie;
	59	bool mainExecutable;
	60	bool staticExecutable;
	61	bool relocatable;
	62	bool allowTextRelocs;
	63	bool linkerDeadStripping;
	64	bool needsUnwindInfoSection;
	65	bool keepDwarfUnwind;
	66	bool verboseOptimizationHints;
	67	bool armUsesZeroCostExceptions;
	68	bool simulator;
	69	bool ignoreMismatchPlatform;
	70	bool bitcodeBundle;
	71	uint8_t maxDefaultCommonAlignment;
	72	cpu_type_t arch;
	73	const char* mcpu;
	74	Options::Platform platform;
	75	uint32_t minOSVersion;
	76	const std::vector<const char> llvmOptions;
	77	const std::vector<const char> initialUndefines;
	78	};
	79
	80	extern bool optimize( const std::vector<const ld::Atom*>& allAtoms,
	81	ld::Internal& state,
	82	const OptimizeOptions& options,
	83	ld::File::AtomHandler& handler,
	84	std::vector<const ld::Atom*>& newAtoms,
	85	std::vector<const char*>& additionalUndefines);
	86
	87	} // namespace lto
	88
	89
	90	#endif // __LTO_FILE_H__
	91
	92