[apple/ld64.git] / src / Options.h

/* -*- mode: C++; c-basic-offset: 4; tab-width: 4 -*-
 *
 * Copyright (c) 2005-2007 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 __OPTIONS__
#define __OPTIONS__


#include <stdint.h>
#include <mach/machine.h>

#include <vector>
#include <ext/hash_set>

#include "ObjectFile.h"

extern void throwf (const char* format, ...) __attribute__ ((noreturn));
extern void warning(const char* format, ...);

class DynamicLibraryOptions
{
public:
	DynamicLibraryOptions() : fWeakImport(false), fReExport(false), fBundleLoader(false), fLazyLoad(false) {}

	bool		fWeakImport;
	bool		fReExport;
	bool		fBundleLoader;
	bool		fLazyLoad;
};

//
// The public interface to the Options class is the abstract representation of what work the linker
// should do.
//
// This abstraction layer will make it easier to support a future where the linker is a shared library
// invoked directly from Xcode.  The target settings in Xcode would be used to directly construct an Options
// object (without building a command line which is then parsed).
//
//
class Options
{
public:
	Options(int argc, const char* argv[]);
	~Options();

	enum OutputKind { kDynamicExecutable, kStaticExecutable, kDynamicLibrary, kDynamicBundle, kObjectFile, kDyld };
	enum NameSpace { kTwoLevelNameSpace, kFlatNameSpace, kForceFlatNameSpace };
	// Standard treatment for many options.
	enum Treatment { kError, kWarning, kSuppress, kNULL, kInvalid };
	enum UndefinedTreatment { kUndefinedError, kUndefinedWarning, kUndefinedSuppress, kUndefinedDynamicLookup };
	enum WeakReferenceMismatchTreatment { kWeakReferenceMismatchError, kWeakReferenceMismatchWeak,
										  kWeakReferenceMismatchNonWeak };
	enum CommonsMode { kCommonsIgnoreDylibs, kCommonsOverriddenByDylibs, kCommonsConflictsDylibsError };
	enum DeadStripMode { kDeadStripOff, kDeadStripOn, kDeadStripOnPlusUnusedInits };
	enum UUIDMode { kUUIDNone, kUUIDRandom, kUUIDContent };
	enum LocalSymbolHandling { kLocalSymbolsAll, kLocalSymbolsNone, kLocalSymbolsSelectiveInclude, kLocalSymbolsSelectiveExclude };

	struct FileInfo {
		const char*				path;
		uint64_t				fileLen;
		time_t					modTime;
		DynamicLibraryOptions	options;
	};

	struct ExtraSection {
		const char*				segmentName;
		const char*				sectionName;
		const char*				path;
		const uint8_t*			data;
		uint64_t				dataLen;
	};

	struct SectionAlignment {
		const char*				segmentName;
		const char*				sectionName;
		uint8_t					alignment;
	};

	struct OrderedSymbol {
		const char*				symbolName;
		const char*				objectFileName;
	};

	struct SegmentStart {
		const char*				name;
		uint64_t				address;
	};
	
	struct SegmentProtect {
		const char*				name;
		uint32_t				max;
		uint32_t				init;
	};
	
	struct DylibOverride {
		const char*				installName;
		const char*				useInstead;
	};


	const ObjectFile::ReaderOptions&	readerOptions();
	const char*							getOutputFilePath();
	std::vector<FileInfo>&				getInputFiles();

	cpu_type_t					architecture() { return fArchitecture; }
	bool						preferSubArchitecture() { return fHasPreferredSubType; }
	cpu_subtype_t				subArchitecture() { return fSubArchitecture; }
	OutputKind					outputKind();
	bool						prebind();
	bool						bindAtLoad();
	bool						fullyLoadArchives();
	NameSpace					nameSpace();
	const char*					installPath();			// only for kDynamicLibrary
	uint32_t					currentVersion();		// only for kDynamicLibrary
	uint32_t					compatibilityVersion();	// only for kDynamicLibrary
	const char*					entryName();			// only for kDynamicExecutable or kStaticExecutable
	const char*					executablePath();
	uint64_t					baseAddress();
	bool						keepPrivateExterns();			// only for kObjectFile
	bool						needsModuleTable();				// only for kDynamicLibrary
	bool						interposable(const char* name);
	bool						hasExportRestrictList();
	bool						hasExportMaskList();
	bool						hasWildCardExportRestrictList();
	bool						allGlobalsAreDeadStripRoots();
	bool						shouldExport(const char*);
	bool						ignoreOtherArchInputFiles();
	bool						forceCpuSubtypeAll();
	bool						traceDylibs();
	bool						traceArchives();
	DeadStripMode				deadStrip();
	UndefinedTreatment			undefinedTreatment();
	ObjectFile::ReaderOptions::VersionMin	macosxVersionMin();
	bool						messagesPrefixedWithArchitecture();
	Treatment					picTreatment();
	WeakReferenceMismatchTreatment	weakReferenceMismatchTreatment();
	const char*					umbrellaName();
	std::vector<const char*>&	allowableClients();
	const char*					clientName();
	const char*					initFunctionName();			// only for kDynamicLibrary
	const char*					dotOutputFile();
	uint64_t					zeroPageSize();
	bool						hasCustomStack();
	uint64_t					customStackSize();
	uint64_t					customStackAddr();
	bool						hasExecutableStack();
	std::vector<const char*>&	initialUndefines();
	bool						printWhyLive(const char* name);
	uint32_t					minimumHeaderPad();
	bool						maxMminimumHeaderPad() { return fMaxMinimumHeaderPad; }
	std::vector<ExtraSection>&	extraSections();
	std::vector<SectionAlignment>&	sectionAlignments();
	CommonsMode					commonsMode();
	bool						warnCommons();
	bool						keepRelocations();
	FileInfo					findFile(const char* path);
	UUIDMode					getUUIDMode() { return fUUIDMode; }
	bool						warnStabs();
	bool						pauseAtEnd() { return fPause; }
	bool						printStatistics() { return fStatistics; }
	bool						printArchPrefix() { return fMessagesPrefixedWithArchitecture; }
	void						gotoClassicLinker(int argc, const char* argv[]);
	bool						sharedRegionEligible() { return fSharedRegionEligible; }
	bool						printOrderFileStatistics() { return fPrintOrderFileStatistics; }
	const char*					dTraceScriptName() { return fDtraceScriptName; }
	bool						dTrace() { return (fDtraceScriptName != NULL); }
	std::vector<OrderedSymbol>&	orderedSymbols() { return fOrderedSymbols; }
	bool						splitSeg() { return fSplitSegs; }
	uint64_t					baseWritableAddress() { return fBaseWritableAddress; }
	std::vector<SegmentStart>&	customSegmentAddresses() { return fCustomSegmentAddresses; }
	std::vector<SegmentProtect>& customSegmentProtections() { return fCustomSegmentProtections; }
	bool						saveTempFiles() { return fSaveTempFiles; }
	const std::vector<const char*>&   rpaths() { return fRPaths; }
	bool						readOnlyx86Stubs() { return fReadOnlyx86Stubs; }
	bool						slowx86Stubs() { return fReaderOptions.fSlowx86Stubs; }
	std::vector<DylibOverride>&	dylibOverrides() { return fDylibOverrides; }
	const char*					generatedMapPath() { return fMapPath; }
	bool						positionIndependentExecutable() { return fPositionIndependentExecutable; }
	Options::FileInfo			findFileUsingPaths(const char* path);
	bool						deadStripDylibs() { return fDeadStripDylibs; }
	bool						allowedUndefined(const char* name) { return ( fAllowedUndefined.find(name) != fAllowedUndefined.end() ); }
	bool						someAllowedUndefines() { return (fAllowedUndefined.size() != 0); }
	LocalSymbolHandling			localSymbolHandling() { return fLocalSymbolHandling; }
	bool						keepLocalSymbol(const char* symbolName);
	bool						allowTextRelocs() { return fAllowTextRelocs; }
	bool						warnAboutTextRelocs() { return fWarnTextRelocs; }
	bool						usingLazyDylibLinking() { return fUsingLazyDylibLinking; }
	bool						verbose() { return fVerbose; }
	bool						makeEncryptable() { return fEncryptable; }

private:
	class CStringEquals
	{
	public:
		bool operator()(const char* left, const char* right) const { return (strcmp(left, right) == 0); }
	};

	typedef __gnu_cxx::hash_set<const char*, __gnu_cxx::hash<const char*>, CStringEquals>  NameSet;
	enum ExportMode { kExportDefault, kExportSome, kDontExportSome };
	enum LibrarySearchMode { kSearchDylibAndArchiveInEachDir, kSearchAllDirsForDylibsThenAllDirsForArchives };
	enum InterposeMode { kInterposeNone, kInterposeAllExternal, kInterposeSome };

	class SetWithWildcards {
	public:
		void					insert(const char*);
		bool					contains(const char*);
		bool					hasWildCards()	{ return !fWildCard.empty(); }
		NameSet::iterator		regularBegin()	{ return fRegular.begin(); }
		NameSet::iterator		regularEnd()	{ return fRegular.end(); }
	private:
		static bool				hasWildCards(const char*);
		bool					wildCardMatch(const char* pattern, const char* candidate);
		bool					inCharRange(const char*& range, unsigned char c);

		NameSet							fRegular;
		std::vector<const char*>		fWildCard;
	};


	void						parse(int argc, const char* argv[]);
	void						checkIllegalOptionCombinations();
	void						buildSearchPaths(int argc, const char* argv[]);
	void						parseArch(const char* architecture);
	FileInfo					findLibrary(const char* rootName, bool dylibsOnly=false);
	FileInfo					findFramework(const char* frameworkName);
	FileInfo					findFramework(const char* rootName, const char* suffix);
	bool						checkForFile(const char* format, const char* dir, const char* rootName,
											 FileInfo& result);
	uint32_t					parseVersionNumber(const char*);
	void						parseSectionOrderFile(const char* segment, const char* section, const char* path);
	void						parseOrderFile(const char* path, bool cstring);
	void						addSection(const char* segment, const char* section, const char* path);
	void						addSubLibrary(const char* name);
	void						loadFileList(const char* fileOfPaths);
	uint64_t					parseAddress(const char* addr);
	void						loadExportFile(const char* fileOfExports, const char* option, SetWithWildcards& set);
	void						parseAliasFile(const char* fileOfAliases);
	void						parsePreCommandLineEnvironmentSettings();
	void						parsePostCommandLineEnvironmentSettings();
	void						setUndefinedTreatment(const char* treatment);
	void						setMacOSXVersionMin(const char* version);
	void						setIPhoneVersionMin(const char* version);
	void						setWeakReferenceMismatchTreatment(const char* treatment);
	void						addDylibOverride(const char* paths);
	void						addSectionAlignment(const char* segment, const char* section, const char* alignment);
	CommonsMode					parseCommonsTreatment(const char* mode);
	Treatment					parseTreatment(const char* treatment);
	void						reconfigureDefaults();
	void						checkForClassic(int argc, const char* argv[]);
	void						parseSegAddrTable(const char* segAddrPath, const char* installPath);
	void						addLibrary(const FileInfo& info);
	void						warnObsolete(const char* arg);
	uint32_t					parseProtection(const char* prot);


	ObjectFile::ReaderOptions			fReaderOptions;
	const char*							fOutputFile;
	std::vector<Options::FileInfo>		fInputFiles;
	cpu_type_t							fArchitecture;
	cpu_subtype_t						fSubArchitecture;
	OutputKind							fOutputKind;
	bool								fHasPreferredSubType;
	bool								fPrebind;
	bool								fBindAtLoad;
	bool								fKeepPrivateExterns;
	bool								fNeedsModuleTable;
	bool								fIgnoreOtherArchFiles;
	bool								fForceSubtypeAll;
	InterposeMode						fInterposeMode;
	DeadStripMode						fDeadStrip;
	NameSpace							fNameSpace;
	uint32_t							fDylibCompatVersion;
	uint32_t							fDylibCurrentVersion;
	const char*							fDylibInstallName;
	const char*							fFinalName;
	const char*							fEntryName;
	uint64_t							fBaseAddress;
	uint64_t							fBaseWritableAddress;
	bool								fSplitSegs;
	SetWithWildcards					fExportSymbols;
	SetWithWildcards					fDontExportSymbols;
	SetWithWildcards					fInterposeList;
	ExportMode							fExportMode;
	LibrarySearchMode					fLibrarySearchMode;
	UndefinedTreatment					fUndefinedTreatment;
	bool								fMessagesPrefixedWithArchitecture;
	WeakReferenceMismatchTreatment		fWeakReferenceMismatchTreatment;
	std::vector<const char*>			fSubUmbellas;
	std::vector<const char*>			fSubLibraries;
	std::vector<const char*>			fAllowableClients;
	std::vector<const char*>			fRPaths;
	const char*							fClientName;
	const char*							fUmbrellaName;
	const char*							fInitFunctionName;
	const char*							fDotOutputFile;
	const char*							fExecutablePath;
	const char*							fBundleLoader;
	const char*							fDtraceScriptName;
	const char*							fSegAddrTablePath;
	const char*							fMapPath;
	uint64_t							fZeroPageSize;
	uint64_t							fStackSize;
	uint64_t							fStackAddr;
	bool								fExecutableStack;
	uint32_t							fMinimumHeaderPad;
	CommonsMode							fCommonsMode;
	UUIDMode							fUUIDMode;
	SetWithWildcards					fLocalSymbolsIncluded;
	SetWithWildcards					fLocalSymbolsExcluded;
	LocalSymbolHandling					fLocalSymbolHandling;
	bool								fWarnCommons;
	bool								fVerbose;
	bool								fKeepRelocations;
	bool								fWarnStabs;
	bool								fTraceDylibSearching;
	bool								fPause;
	bool								fStatistics;
	bool								fPrintOptions;
	bool								fSharedRegionEligible;
	bool								fPrintOrderFileStatistics;
	bool								fReadOnlyx86Stubs;
	bool								fPositionIndependentExecutable;
	bool								fMaxMinimumHeaderPad;
	bool								fDeadStripDylibs;
	bool								fAllowTextRelocs;
	bool								fWarnTextRelocs;
	bool								fUsingLazyDylibLinking;
	bool								fEncryptable;
	std::vector<const char*>			fInitialUndefines;
	NameSet								fAllowedUndefined;
	NameSet								fWhyLive;
	std::vector<ExtraSection>			fExtraSections;
	std::vector<SectionAlignment>		fSectionAlignments;
	std::vector<OrderedSymbol>			fOrderedSymbols;
	std::vector<SegmentStart>			fCustomSegmentAddresses;
	std::vector<SegmentProtect>			fCustomSegmentProtections;
	std::vector<DylibOverride>			fDylibOverrides; 

	std::vector<const char*>			fLibrarySearchPaths;
	std::vector<const char*>			fFrameworkSearchPaths;
	std::vector<const char*>			fSDKPaths;
	bool								fSaveTempFiles;
};


#endif // __OPTIONS__
Commit	Line	Data
d696c285	1	/* -- mode: C++; c-basic-offset: 4; tab-width: 4 --
6e880c60	2	*
a61fdf0a	3	* Copyright (c) 2005-2007 Apple Inc. All rights reserved.
c2646906 A	4	*
c2646906 A	5	* @APPLE_LICENSE_HEADER_START@
d696c285	6	*
c2646906 A	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.
d696c285	13	*
c2646906 A	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.
d696c285	21	*
c2646906 A	22	* @APPLE_LICENSE_HEADER_END@
	23	*/
	24
	25	#ifndef __OPTIONS__
	26	#define __OPTIONS__
	27
	28
	29	#include <stdint.h>
	30	#include <mach/machine.h>
	31
c2646906 A	32	#include <vector>
	33	#include <ext/hash_set>
	34
	35	#include "ObjectFile.h"
	36
2f2f92e4 A	37	extern void throwf (const char* format, ...) __attribute__ ((noreturn));
2f2f92e4 A	38	extern void warning(const char* format, ...);
c2646906	39
d696c285	40	class DynamicLibraryOptions
c2646906 A	41	{
c2646906 A	42	public:
2f2f92e4	43	DynamicLibraryOptions() : fWeakImport(false), fReExport(false), fBundleLoader(false), fLazyLoad(false) {}
d696c285	44
c2646906 A	45	bool fWeakImport;
c2646906 A	46	bool fReExport;
69a49097	47	bool fBundleLoader;
2f2f92e4	48	bool fLazyLoad;
c2646906 A	49	};
c2646906 A	50
d696c285 A	51	//
	52	// The public interface to the Options class is the abstract representation of what work the linker
	53	// should do.
	54	//
	55	// This abstraction layer will make it easier to support a future where the linker is a shared library
	56	// invoked directly from Xcode. The target settings in Xcode would be used to directly construct an Options
	57	// object (without building a command line which is then parsed).
	58	//
	59	//
c2646906 A	60	class Options
	61	{
	62	public:
d696c285 A	63	Options(int argc, const char* argv[]);
d696c285 A	64	~Options();
c2646906 A	65
	66	enum OutputKind { kDynamicExecutable, kStaticExecutable, kDynamicLibrary, kDynamicBundle, kObjectFile, kDyld };
	67	enum NameSpace { kTwoLevelNameSpace, kFlatNameSpace, kForceFlatNameSpace };
d696c285 A	68	// Standard treatment for many options.
d696c285 A	69	enum Treatment { kError, kWarning, kSuppress, kNULL, kInvalid };
c2646906	70	enum UndefinedTreatment { kUndefinedError, kUndefinedWarning, kUndefinedSuppress, kUndefinedDynamicLookup };
d696c285 A	71	enum WeakReferenceMismatchTreatment { kWeakReferenceMismatchError, kWeakReferenceMismatchWeak,
d696c285 A	72	kWeakReferenceMismatchNonWeak };
c2646906	73	enum CommonsMode { kCommonsIgnoreDylibs, kCommonsOverriddenByDylibs, kCommonsConflictsDylibsError };
d696c285	74	enum DeadStripMode { kDeadStripOff, kDeadStripOn, kDeadStripOnPlusUnusedInits };
a61fdf0a A	75	enum UUIDMode { kUUIDNone, kUUIDRandom, kUUIDContent };
a61fdf0a A	76	enum LocalSymbolHandling { kLocalSymbolsAll, kLocalSymbolsNone, kLocalSymbolsSelectiveInclude, kLocalSymbolsSelectiveExclude };
c2646906 A	77
	78	struct FileInfo {
	79	const char* path;
	80	uint64_t fileLen;
d696c285	81	time_t modTime;
c2646906 A	82	DynamicLibraryOptions options;
c2646906 A	83	};
d696c285	84
c2646906 A	85	struct ExtraSection {
	86	const char* segmentName;
	87	const char* sectionName;
	88	const char* path;
	89	const uint8_t* data;
	90	uint64_t dataLen;
	91	};
d696c285	92
c2646906 A	93	struct SectionAlignment {
	94	const char* segmentName;
	95	const char* sectionName;
	96	uint8_t alignment;
	97	};
	98
a61fdf0a A	99	struct OrderedSymbol {
	100	const char* symbolName;
	101	const char* objectFileName;
	102	};
	103
	104	struct SegmentStart {
	105	const char* name;
	106	uint64_t address;
	107	};
	108
	109	struct SegmentProtect {
	110	const char* name;
	111	uint32_t max;
	112	uint32_t init;
	113	};
	114
	115	struct DylibOverride {
	116	const char* installName;
	117	const char* useInstead;
	118	};
	119
	120
d696c285 A	121	const ObjectFile::ReaderOptions& readerOptions();
	122	const char* getOutputFilePath();
	123	std::vector<FileInfo>& getInputFiles();
	124
2f2f92e4 A	125	cpu_type_t architecture() { return fArchitecture; }
	126	bool preferSubArchitecture() { return fHasPreferredSubType; }
	127	cpu_subtype_t subArchitecture() { return fSubArchitecture; }
c2646906	128	OutputKind outputKind();
d696c285	129	bool prebind();
c2646906 A	130	bool bindAtLoad();
	131	bool fullyLoadArchives();
	132	NameSpace nameSpace();
	133	const char* installPath(); // only for kDynamicLibrary
	134	uint32_t currentVersion(); // only for kDynamicLibrary
	135	uint32_t compatibilityVersion(); // only for kDynamicLibrary
	136	const char* entryName(); // only for kDynamicExecutable or kStaticExecutable
d696c285	137	const char* executablePath();
c2646906	138	uint64_t baseAddress();
2f2f92e4 A	139	bool keepPrivateExterns(); // only for kObjectFile
	140	bool needsModuleTable(); // only for kDynamicLibrary
	141	bool interposable(const char* name);
c2646906	142	bool hasExportRestrictList();
2f2f92e4 A	143	bool hasExportMaskList();
2f2f92e4 A	144	bool hasWildCardExportRestrictList();
69a49097	145	bool allGlobalsAreDeadStripRoots();
c2646906 A	146	bool shouldExport(const char*);
	147	bool ignoreOtherArchInputFiles();
	148	bool forceCpuSubtypeAll();
	149	bool traceDylibs();
	150	bool traceArchives();
d696c285	151	DeadStripMode deadStrip();
c2646906	152	UndefinedTreatment undefinedTreatment();
a61fdf0a	153	ObjectFile::ReaderOptions::VersionMin macosxVersionMin();
c2646906	154	bool messagesPrefixedWithArchitecture();
d696c285	155	Treatment picTreatment();
c2646906 A	156	WeakReferenceMismatchTreatment weakReferenceMismatchTreatment();
c2646906 A	157	const char* umbrellaName();
d696c285 A	158	std::vector<const char*>& allowableClients();
d696c285 A	159	const char* clientName();
c2646906	160	const char* initFunctionName(); // only for kDynamicLibrary
d696c285	161	const char* dotOutputFile();
c2646906 A	162	uint64_t zeroPageSize();
	163	bool hasCustomStack();
	164	uint64_t customStackSize();
	165	uint64_t customStackAddr();
d696c285	166	bool hasExecutableStack();
c2646906	167	std::vector<const char*>& initialUndefines();
69a49097	168	bool printWhyLive(const char* name);
c2646906	169	uint32_t minimumHeaderPad();
a61fdf0a	170	bool maxMminimumHeaderPad() { return fMaxMinimumHeaderPad; }
c2646906 A	171	std::vector<ExtraSection>& extraSections();
	172	std::vector<SectionAlignment>& sectionAlignments();
	173	CommonsMode commonsMode();
	174	bool warnCommons();
d696c285	175	bool keepRelocations();
6e880c60	176	FileInfo findFile(const char* path);
a61fdf0a	177	UUIDMode getUUIDMode() { return fUUIDMode; }
d696c285 A	178	bool warnStabs();
	179	bool pauseAtEnd() { return fPause; }
	180	bool printStatistics() { return fStatistics; }
69a49097	181	bool printArchPrefix() { return fMessagesPrefixedWithArchitecture; }
a61fdf0a A	182	void gotoClassicLinker(int argc, const char* argv[]);
	183	bool sharedRegionEligible() { return fSharedRegionEligible; }
	184	bool printOrderFileStatistics() { return fPrintOrderFileStatistics; }
	185	const char* dTraceScriptName() { return fDtraceScriptName; }
	186	bool dTrace() { return (fDtraceScriptName != NULL); }
	187	std::vector<OrderedSymbol>& orderedSymbols() { return fOrderedSymbols; }
	188	bool splitSeg() { return fSplitSegs; }
	189	uint64_t baseWritableAddress() { return fBaseWritableAddress; }
	190	std::vector<SegmentStart>& customSegmentAddresses() { return fCustomSegmentAddresses; }
	191	std::vector<SegmentProtect>& customSegmentProtections() { return fCustomSegmentProtections; }
	192	bool saveTempFiles() { return fSaveTempFiles; }
	193	const std::vector<const char*>& rpaths() { return fRPaths; }
	194	bool readOnlyx86Stubs() { return fReadOnlyx86Stubs; }
2f2f92e4	195	bool slowx86Stubs() { return fReaderOptions.fSlowx86Stubs; }
a61fdf0a A	196	std::vector<DylibOverride>& dylibOverrides() { return fDylibOverrides; }
	197	const char* generatedMapPath() { return fMapPath; }
	198	bool positionIndependentExecutable() { return fPositionIndependentExecutable; }
	199	Options::FileInfo findFileUsingPaths(const char* path);
	200	bool deadStripDylibs() { return fDeadStripDylibs; }
	201	bool allowedUndefined(const char* name) { return ( fAllowedUndefined.find(name) != fAllowedUndefined.end() ); }
	202	bool someAllowedUndefines() { return (fAllowedUndefined.size() != 0); }
	203	LocalSymbolHandling localSymbolHandling() { return fLocalSymbolHandling; }
	204	bool keepLocalSymbol(const char* symbolName);
2f2f92e4 A	205	bool allowTextRelocs() { return fAllowTextRelocs; }
	206	bool warnAboutTextRelocs() { return fWarnTextRelocs; }
	207	bool usingLazyDylibLinking() { return fUsingLazyDylibLinking; }
	208	bool verbose() { return fVerbose; }
	209	bool makeEncryptable() { return fEncryptable; }
c2646906 A	210
	211	private:
	212	class CStringEquals
	213	{
	214	public:
	215	bool operator()(const char* left, const char* right) const { return (strcmp(left, right) == 0); }
	216	};
	217
	218	typedef __gnu_cxx::hash_set<const char, __gnu_cxx::hash<const char>, CStringEquals> NameSet;
	219	enum ExportMode { kExportDefault, kExportSome, kDontExportSome };
	220	enum LibrarySearchMode { kSearchDylibAndArchiveInEachDir, kSearchAllDirsForDylibsThenAllDirsForArchives };
2f2f92e4	221	enum InterposeMode { kInterposeNone, kInterposeAllExternal, kInterposeSome };
c2646906	222
a61fdf0a A	223	class SetWithWildcards {
	224	public:
	225	void insert(const char*);
	226	bool contains(const char*);
2f2f92e4	227	bool hasWildCards() { return !fWildCard.empty(); }
a61fdf0a A	228	NameSet::iterator regularBegin() { return fRegular.begin(); }
	229	NameSet::iterator regularEnd() { return fRegular.end(); }
	230	private:
2f2f92e4	231	static bool hasWildCards(const char*);
a61fdf0a A	232	bool wildCardMatch(const char* pattern, const char* candidate);
	233	bool inCharRange(const char*& range, unsigned char c);
	234
	235	NameSet fRegular;
	236	std::vector<const char*> fWildCard;
	237	};
	238
	239
c2646906 A	240	void parse(int argc, const char* argv[]);
	241	void checkIllegalOptionCombinations();
	242	void buildSearchPaths(int argc, const char* argv[]);
	243	void parseArch(const char* architecture);
2f2f92e4	244	FileInfo findLibrary(const char* rootName, bool dylibsOnly=false);
74cfe461 A	245	FileInfo findFramework(const char* frameworkName);
74cfe461 A	246	FileInfo findFramework(const char* rootName, const char* suffix);
d696c285 A	247	bool checkForFile(const char* format, const char* dir, const char* rootName,
d696c285 A	248	FileInfo& result);
c2646906 A	249	uint32_t parseVersionNumber(const char*);
c2646906 A	250	void parseSectionOrderFile(const char* segment, const char* section, const char* path);
a61fdf0a	251	void parseOrderFile(const char* path, bool cstring);
c2646906 A	252	void addSection(const char* segment, const char* section, const char* path);
	253	void addSubLibrary(const char* name);
	254	void loadFileList(const char* fileOfPaths);
	255	uint64_t parseAddress(const char* addr);
a61fdf0a A	256	void loadExportFile(const char* fileOfExports, const char* option, SetWithWildcards& set);
a61fdf0a A	257	void parseAliasFile(const char* fileOfAliases);
c2646906 A	258	void parsePreCommandLineEnvironmentSettings();
	259	void parsePostCommandLineEnvironmentSettings();
	260	void setUndefinedTreatment(const char* treatment);
2f2f92e4 A	261	void setMacOSXVersionMin(const char* version);
2f2f92e4 A	262	void setIPhoneVersionMin(const char* version);
c2646906	263	void setWeakReferenceMismatchTreatment(const char* treatment);
a61fdf0a	264	void addDylibOverride(const char* paths);
c2646906 A	265	void addSectionAlignment(const char* segment, const char* section, const char* alignment);
c2646906 A	266	CommonsMode parseCommonsTreatment(const char* mode);
d696c285	267	Treatment parseTreatment(const char* treatment);
69a49097	268	void reconfigureDefaults();
a61fdf0a A	269	void checkForClassic(int argc, const char* argv[]);
	270	void parseSegAddrTable(const char* segAddrPath, const char* installPath);
	271	void addLibrary(const FileInfo& info);
	272	void warnObsolete(const char* arg);
	273	uint32_t parseProtection(const char* prot);
d696c285 A	274
d696c285 A	275
c2646906 A	276	ObjectFile::ReaderOptions fReaderOptions;
	277	const char* fOutputFile;
	278	std::vector<Options::FileInfo> fInputFiles;
	279	cpu_type_t fArchitecture;
2f2f92e4	280	cpu_subtype_t fSubArchitecture;
c2646906	281	OutputKind fOutputKind;
2f2f92e4	282	bool fHasPreferredSubType;
d696c285	283	bool fPrebind;
c2646906	284	bool fBindAtLoad;
c2646906	285	bool fKeepPrivateExterns;
a61fdf0a	286	bool fNeedsModuleTable;
c2646906 A	287	bool fIgnoreOtherArchFiles;
c2646906 A	288	bool fForceSubtypeAll;
2f2f92e4	289	InterposeMode fInterposeMode;
d696c285	290	DeadStripMode fDeadStrip;
c2646906 A	291	NameSpace fNameSpace;
	292	uint32_t fDylibCompatVersion;
	293	uint32_t fDylibCurrentVersion;
	294	const char* fDylibInstallName;
a61fdf0a	295	const char* fFinalName;
c2646906 A	296	const char* fEntryName;
c2646906 A	297	uint64_t fBaseAddress;
a61fdf0a A	298	uint64_t fBaseWritableAddress;
	299	bool fSplitSegs;
	300	SetWithWildcards fExportSymbols;
	301	SetWithWildcards fDontExportSymbols;
2f2f92e4	302	SetWithWildcards fInterposeList;
c2646906 A	303	ExportMode fExportMode;
	304	LibrarySearchMode fLibrarySearchMode;
	305	UndefinedTreatment fUndefinedTreatment;
	306	bool fMessagesPrefixedWithArchitecture;
c2646906 A	307	WeakReferenceMismatchTreatment fWeakReferenceMismatchTreatment;
	308	std::vector<const char*> fSubUmbellas;
	309	std::vector<const char*> fSubLibraries;
d696c285	310	std::vector<const char*> fAllowableClients;
a61fdf0a	311	std::vector<const char*> fRPaths;
d696c285	312	const char* fClientName;
c2646906 A	313	const char* fUmbrellaName;
c2646906 A	314	const char* fInitFunctionName;
d696c285 A	315	const char* fDotOutputFile;
d696c285 A	316	const char* fExecutablePath;
69a49097	317	const char* fBundleLoader;
a61fdf0a A	318	const char* fDtraceScriptName;
	319	const char* fSegAddrTablePath;
	320	const char* fMapPath;
c2646906 A	321	uint64_t fZeroPageSize;
	322	uint64_t fStackSize;
	323	uint64_t fStackAddr;
d696c285	324	bool fExecutableStack;
c2646906 A	325	uint32_t fMinimumHeaderPad;
c2646906 A	326	CommonsMode fCommonsMode;
a61fdf0a A	327	UUIDMode fUUIDMode;
	328	SetWithWildcards fLocalSymbolsIncluded;
	329	SetWithWildcards fLocalSymbolsExcluded;
	330	LocalSymbolHandling fLocalSymbolHandling;
c2646906	331	bool fWarnCommons;
6e880c60	332	bool fVerbose;
d696c285	333	bool fKeepRelocations;
d696c285 A	334	bool fWarnStabs;
	335	bool fTraceDylibSearching;
	336	bool fPause;
	337	bool fStatistics;
	338	bool fPrintOptions;
a61fdf0a A	339	bool fSharedRegionEligible;
	340	bool fPrintOrderFileStatistics;
	341	bool fReadOnlyx86Stubs;
	342	bool fPositionIndependentExecutable;
	343	bool fMaxMinimumHeaderPad;
	344	bool fDeadStripDylibs;
2f2f92e4 A	345	bool fAllowTextRelocs;
	346	bool fWarnTextRelocs;
	347	bool fUsingLazyDylibLinking;
	348	bool fEncryptable;
c2646906	349	std::vector<const char*> fInitialUndefines;
a61fdf0a	350	NameSet fAllowedUndefined;
69a49097	351	NameSet fWhyLive;
c2646906 A	352	std::vector<ExtraSection> fExtraSections;
c2646906 A	353	std::vector<SectionAlignment> fSectionAlignments;
a61fdf0a A	354	std::vector<OrderedSymbol> fOrderedSymbols;
	355	std::vector<SegmentStart> fCustomSegmentAddresses;
	356	std::vector<SegmentProtect> fCustomSegmentProtections;
	357	std::vector<DylibOverride> fDylibOverrides;
d696c285	358
c2646906 A	359	std::vector<const char*> fLibrarySearchPaths;
c2646906 A	360	std::vector<const char*> fFrameworkSearchPaths;
6e880c60	361	std::vector<const char*> fSDKPaths;
a61fdf0a	362	bool fSaveTempFiles;
c2646906 A	363	};
	364
	365
	366
c2646906	367	#endif // __OPTIONS__