[apple/ld64.git] / 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 unsigned int runtime_api_version();

extern unsigned int static_api_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								preload;
	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
a645023d A	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
bee7e226 A	34	extern unsigned int runtime_api_version();
	35
	36	extern unsigned int static_api_version();
	37
a645023d A	38	extern bool libLTOisLoaded();
	39
	40	extern const char* archName(const uint8_t* fileContent, uint64_t fileLength);
	41
	42	extern bool isObjectFile(const uint8_t* fileContent, uint64_t fileLength, cpu_type_t architecture, cpu_subtype_t subarch);
	43
0a8dc3df A	44	extern bool hasObjCCategory(const uint8_t* fileContent, uint64_t fileLength);
0a8dc3df A	45
ec29ba20	46	extern ld::relocatable::File* parse(const uint8_t* fileContent, uint64_t fileLength,
b1f7435d	47	const char* path, time_t modTime, ld::File::Ordinal ordinal,
9543cb2f A	48	cpu_type_t architecture, cpu_subtype_t subarch, bool logAllFiles,
9543cb2f A	49	bool verboseOptimizationHints);
a645023d A	50
	51	struct OptimizeOptions {
	52	const char* outputFilePath;
	53	const char* tmpObjectFilePath;
0a8dc3df A	54	const char* ltoCachePath;
	55	int ltoPruneInterval;
	56	int ltoPruneAfter;
	57	unsigned ltoMaxCacheSize;
ebf6f434	58	bool preserveAllGlobals;
a645023d A	59	bool verbose;
a645023d A	60	bool saveTemps;
eaf282aa	61	bool ltoCodegenOnly;
a645023d A	62	bool pie;
	63	bool mainExecutable;
	64	bool staticExecutable;
82b4b32b	65	bool preload;
a645023d A	66	bool relocatable;
	67	bool allowTextRelocs;
	68	bool linkerDeadStripping;
f80fe69f A	69	bool needsUnwindInfoSection;
f80fe69f A	70	bool keepDwarfUnwind;
9543cb2f	71	bool verboseOptimizationHints;
ba348e21	72	bool armUsesZeroCostExceptions;
eaf282aa A	73	bool simulator;
	74	bool ignoreMismatchPlatform;
	75	bool bitcodeBundle;
ec29ba20	76	uint8_t maxDefaultCommonAlignment;
a645023d	77	cpu_type_t arch;
f80fe69f	78	const char* mcpu;
eaf282aa	79	Options::Platform platform;
0a8dc3df	80	uint32_t minOSVersion;
a645023d	81	const std::vector<const char> llvmOptions;
599556ff	82	const std::vector<const char> initialUndefines;
a645023d A	83	};
	84
	85	extern bool optimize( const std::vector<const ld::Atom*>& allAtoms,
	86	ld::Internal& state,
a645023d A	87	const OptimizeOptions& options,
	88	ld::File::AtomHandler& handler,
	89	std::vector<const ld::Atom*>& newAtoms,
	90	std::vector<const char*>& additionalUndefines);
	91
	92	} // namespace lto
	93
	94
	95	#endif // __LTO_FILE_H__
	96
	97