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[darwin-xtools.git] / ld64 / src / ld / Options.h
blob5a8a7e0fa43ef3ecc52829246b3dc233c4fb08fb
1 /* -*- mode: C++; c-basic-offset: 4; tab-width: 4 -*-
2 *
3 * Copyright (c) 2005-2010 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 __OPTIONS__
26 #define __OPTIONS__
27
28
29 #include <stdint.h>
30 #include <mach/machine.h>
31
32 #include <vector>
33 #include <ext/hash_set>
34 #include <ext/hash_map>
35
36 #include "ld.hpp"
37
38 extern void throwf (const char* format, ...) __attribute__ ((noreturn,format(printf, 1, 2)));
39 extern void warning(const char* format, ...) __attribute__((format(printf, 1, 2)));
40
41 class LibraryOptions
42 {
43 public:
44 LibraryOptions() : fWeakImport(false), fReExport(false), fBundleLoader(false),
45 fLazyLoad(false), fUpward(false), fForceLoad(false) {}
46 // for dynamic libraries
47 bool fWeakImport;
48 bool fReExport;
49 bool fBundleLoader;
50 bool fLazyLoad;
51 bool fUpward;
52 // for static libraries
53 bool fForceLoad;
54 };
55
56
57
58 //
59 // The public interface to the Options class is the abstract representation of what work the linker
60 // should do.
61 //
62 // This abstraction layer will make it easier to support a future where the linker is a shared library
63 // invoked directly from Xcode. The target settings in Xcode would be used to directly construct an Options
64 // object (without building a command line which is then parsed).
65 //
66 //
67 class Options
68 {
69 public:
70 Options(int argc, const char* argv[]);
71 ~Options();
72
73 enum OutputKind { kDynamicExecutable, kStaticExecutable, kDynamicLibrary, kDynamicBundle, kObjectFile, kDyld, kPreload, kKextBundle };
74 enum NameSpace { kTwoLevelNameSpace, kFlatNameSpace, kForceFlatNameSpace };
75 // Standard treatment for many options.
76 enum Treatment { kError, kWarning, kSuppress, kNULL, kInvalid };
77 enum UndefinedTreatment { kUndefinedError, kUndefinedWarning, kUndefinedSuppress, kUndefinedDynamicLookup };
78 enum WeakReferenceMismatchTreatment { kWeakReferenceMismatchError, kWeakReferenceMismatchWeak,
79 kWeakReferenceMismatchNonWeak };
80 enum CommonsMode { kCommonsIgnoreDylibs, kCommonsOverriddenByDylibs, kCommonsConflictsDylibsError };
81 enum UUIDMode { kUUIDNone, kUUIDRandom, kUUIDContent };
82 enum LocalSymbolHandling { kLocalSymbolsAll, kLocalSymbolsNone, kLocalSymbolsSelectiveInclude, kLocalSymbolsSelectiveExclude };
83 enum DebugInfoStripping { kDebugInfoNone, kDebugInfoMinimal, kDebugInfoFull };
84
85 struct FileInfo {
86 const char* path;
87 uint64_t fileLen;
88 time_t modTime;
89 LibraryOptions options;
90 };
91
92 struct ExtraSection {
93 const char* segmentName;
94 const char* sectionName;
95 const char* path;
96 const uint8_t* data;
97 uint64_t dataLen;
98 typedef ExtraSection* iterator;
99 typedef const ExtraSection* const_iterator;
100 };
101
102 struct SectionAlignment {
103 const char* segmentName;
104 const char* sectionName;
105 uint8_t alignment;
106 };
107
108 struct OrderedSymbol {
109 const char* symbolName;
110 const char* objectFileName;
111 };
112 typedef const OrderedSymbol* OrderedSymbolsIterator;
113
114 struct SegmentStart {
115 const char* name;
116 uint64_t address;
117 };
118
119 struct SegmentSize {
120 const char* name;
121 uint64_t size;
122 };
123
124 struct SegmentProtect {
125 const char* name;
126 uint32_t max;
127 uint32_t init;
128 };
129
130 struct DylibOverride {
131 const char* installName;
132 const char* useInstead;
133 };
134
135 struct AliasPair {
136 const char* realName;
137 const char* alias;
138 };
139
140 typedef const char* const* UndefinesIterator;
141
142 // const ObjectFile::ReaderOptions& readerOptions();
143 const char* outputFilePath() const { return fOutputFile; }
144 const std::vector<FileInfo>& getInputFiles() const { return fInputFiles; }
145
146 cpu_type_t architecture() const { return fArchitecture; }
147 bool preferSubArchitecture() const { return fHasPreferredSubType; }
148 cpu_subtype_t subArchitecture() const { return fSubArchitecture; }
149 bool allowSubArchitectureMismatches() const { return fAllowCpuSubtypeMismatches; }
150 bool forceCpuSubtypeAll() const { return fForceSubtypeAll; }
151 const char* architectureName() const { return fArchitectureName; }
152 void setArchitecture(cpu_type_t, cpu_subtype_t subtype);
153 bool archSupportsThumb2() const { return fArchSupportsThumb2; }
154 OutputKind outputKind() const { return fOutputKind; }
155 bool prebind() const { return fPrebind; }
156 bool bindAtLoad() const { return fBindAtLoad; }
157 NameSpace nameSpace() const { return fNameSpace; }
158 const char* installPath() const; // only for kDynamicLibrary
159 uint64_t currentVersion() const { return fDylibCurrentVersion; } // only for kDynamicLibrary
160 uint32_t currentVersion32() const; // only for kDynamicLibrary
161 uint32_t compatibilityVersion() const { return fDylibCompatVersion; } // only for kDynamicLibrary
162 const char* entryName() const { return fEntryName; } // only for kDynamicExecutable or kStaticExecutable
163 const char* executablePath();
164 uint64_t baseAddress() const { return fBaseAddress; }
165 uint64_t maxAddress() const { return fMaxAddress; }
166 bool keepPrivateExterns() const { return fKeepPrivateExterns; } // only for kObjectFile
167 bool needsModuleTable() const { return fNeedsModuleTable; } // only for kDynamicLibrary
168 bool interposable(const char* name) const;
169 bool hasExportRestrictList() const { return (fExportMode != kExportDefault); } // -exported_symbol or -unexported_symbol
170 bool hasExportMaskList() const { return (fExportMode == kExportSome); } // just -exported_symbol
171 bool hasWildCardExportRestrictList() const;
172 bool hasReExportList() const { return ! fReExportSymbols.empty(); }
173 bool wasRemovedExport(const char* sym) const { return ( fRemovedExports.find(sym) != fRemovedExports.end() ); }
174 bool allGlobalsAreDeadStripRoots() const;
175 bool shouldExport(const char*) const;
176 bool shouldReExport(const char*) const;
177 bool ignoreOtherArchInputFiles() const { return fIgnoreOtherArchFiles; }
178 bool traceDylibs() const { return fTraceDylibs; }
179 bool traceArchives() const { return fTraceArchives; }
180 bool deadCodeStrip() const { return fDeadStrip; }
181 UndefinedTreatment undefinedTreatment() const { return fUndefinedTreatment; }
182 ld::MacVersionMin macosxVersionMin() const { return fMacVersionMin; }
183 ld::IOSVersionMin iOSVersionMin() const { return fIOSVersionMin; }
184 bool minOS(ld::MacVersionMin mac, ld::IOSVersionMin iPhoneOS);
185 bool messagesPrefixedWithArchitecture();
186 Treatment picTreatment();
187 WeakReferenceMismatchTreatment weakReferenceMismatchTreatment() const { return fWeakReferenceMismatchTreatment; }
188 const char* umbrellaName() const { return fUmbrellaName; }
189 const std::vector<const char*>& allowableClients() const { return fAllowableClients; }
190 const char* clientName() const { return fClientName; }
191 const char* initFunctionName() const { return fInitFunctionName; } // only for kDynamicLibrary
192 const char* dotOutputFile();
193 uint64_t pageZeroSize() const { return fZeroPageSize; }
194 bool hasCustomStack() const { return (fStackSize != 0); }
195 uint64_t customStackSize() const { return fStackSize; }
196 uint64_t customStackAddr() const { return fStackAddr; }
197 bool hasExecutableStack() const { return fExecutableStack; }
198 bool hasNonExecutableHeap() const { return fNonExecutableHeap; }
199 UndefinesIterator initialUndefinesBegin() const { return &fInitialUndefines[0]; }
200 UndefinesIterator initialUndefinesEnd() const { return &fInitialUndefines[fInitialUndefines.size()]; }
201 bool printWhyLive(const char* name) const;
202 uint32_t minimumHeaderPad() const { return fMinimumHeaderPad; }
203 bool maxMminimumHeaderPad() const { return fMaxMinimumHeaderPad; }
204 ExtraSection::const_iterator extraSectionsBegin() const { return &fExtraSections[0]; }
205 ExtraSection::const_iterator extraSectionsEnd() const { return &fExtraSections[fExtraSections.size()]; }
206 CommonsMode commonsMode() const { return fCommonsMode; }
207 bool warnCommons() const { return fWarnCommons; }
208 bool keepRelocations();
209 FileInfo findFile(const char* path) const;
210 UUIDMode UUIDMode() const { return fUUIDMode; }
211 bool warnStabs();
212 bool pauseAtEnd() { return fPause; }
213 bool printStatistics() const { return fStatistics; }
214 bool printArchPrefix() const { return fMessagesPrefixedWithArchitecture; }
215 void gotoClassicLinker(int argc, const char* argv[]);
216 bool sharedRegionEligible() const { return fSharedRegionEligible; }
217 bool printOrderFileStatistics() const { return fPrintOrderFileStatistics; }
218 const char* dTraceScriptName() { return fDtraceScriptName; }
219 bool dTrace() { return (fDtraceScriptName != NULL); }
220 unsigned long orderedSymbolsCount() const { return fOrderedSymbols.size(); }
221 OrderedSymbolsIterator orderedSymbolsBegin() const { return &fOrderedSymbols[0]; }
222 OrderedSymbolsIterator orderedSymbolsEnd() const { return &fOrderedSymbols[fOrderedSymbols.size()]; }
223 bool splitSeg() const { return fSplitSegs; }
224 uint64_t baseWritableAddress() { return fBaseWritableAddress; }
225 uint64_t segmentAlignment() const { return fSegmentAlignment; }
226 uint64_t segPageSize(const char* segName) const;
227 uint64_t customSegmentAddress(const char* segName) const;
228 bool hasCustomSegmentAddress(const char* segName) const;
229 bool hasCustomSectionAlignment(const char* segName, const char* sectName) const;
230 uint8_t customSectionAlignment(const char* segName, const char* sectName) const;
231 uint32_t initialSegProtection(const char*) const;
232 uint32_t maxSegProtection(const char*) const;
233 bool saveTempFiles() const { return fSaveTempFiles; }
234 const std::vector<const char*>& rpaths() const { return fRPaths; }
235 bool readOnlyx86Stubs() { return fReadOnlyx86Stubs; }
236 const std::vector<DylibOverride>& dylibOverrides() const { return fDylibOverrides; }
237 const char* generatedMapPath() const { return fMapPath; }
238 bool positionIndependentExecutable() const { return fPositionIndependentExecutable; }
239 Options::FileInfo findFileUsingPaths(const char* path) const;
240 bool deadStripDylibs() const { return fDeadStripDylibs; }
241 bool allowedUndefined(const char* name) const { return ( fAllowedUndefined.find(name) != fAllowedUndefined.end() ); }
242 bool someAllowedUndefines() const { return (fAllowedUndefined.size() != 0); }
243 LocalSymbolHandling localSymbolHandling() { return fLocalSymbolHandling; }
244 bool keepLocalSymbol(const char* symbolName) const;
245 bool allowTextRelocs() const { return fAllowTextRelocs; }
246 bool warnAboutTextRelocs() const { return fWarnTextRelocs; }
247 bool usingLazyDylibLinking() const { return fUsingLazyDylibLinking; }
248 bool verbose() const { return fVerbose; }
249 bool makeEncryptable() const { return fEncryptable; }
250 bool needsUnwindInfoSection() const { return fAddCompactUnwindEncoding; }
251 const std::vector<const char*>& llvmOptions() const{ return fLLVMOptions; }
252 const std::vector<const char*>& dyldEnvironExtras() const{ return fDyldEnvironExtras; }
253 bool makeCompressedDyldInfo() const { return fMakeCompressedDyldInfo; }
254 bool hasExportedSymbolOrder();
255 bool exportedSymbolOrder(const char* sym, unsigned int* order) const;
256 bool orderData() { return fOrderData; }
257 bool errorOnOtherArchFiles() const { return fErrorOnOtherArchFiles; }
258 bool markAutoDeadStripDylib() const { return fMarkDeadStrippableDylib; }
259 bool removeEHLabels() const { return fNoEHLabels; }
260 bool useSimplifiedDylibReExports() const { return fUseSimplifiedDylibReExports; }
261 bool objCABIVersion2POverride() const { return fObjCABIVersion2Override; }
262 bool useUpwardDylibs() const { return fCanUseUpwardDylib; }
263 bool fullyLoadArchives() const { return fFullyLoadArchives; }
264 bool loadAllObjcObjectsFromArchives() const { return fLoadAllObjcObjectsFromArchives; }
265 bool autoOrderInitializers() const { return fAutoOrderInitializers; }
266 bool optimizeZeroFill() const { return fOptimizeZeroFill; }
267 bool mergeZeroFill() const { return fMergeZeroFill; }
268 bool logAllFiles() const { return fLogAllFiles; }
269 DebugInfoStripping debugInfoStripping() const { return fDebugInfoStripping; }
270 bool flatNamespace() const { return fFlatNamespace; }
271 bool linkingMainExecutable() const { return fLinkingMainExecutable; }
272 bool implicitlyLinkIndirectPublicDylibs() const { return fImplicitlyLinkPublicDylibs; }
273 bool whyLoad() const { return fWhyLoad; }
274 const char* traceOutputFile() const { return fTraceOutputFile; }
275 bool outputSlidable() const { return fOutputSlidable; }
276 bool haveCmdLineAliases() const { return (fAliases.size() != 0); }
277 const std::vector<AliasPair>& cmdLineAliases() const { return fAliases; }
278 bool makeTentativeDefinitionsReal() const { return fMakeTentativeDefinitionsReal; }
279 const char* dyldInstallPath() const { return fDyldInstallPath; }
280 bool warnWeakExports() const { return fWarnWeakExports; }
281 bool objcGcCompaction() const { return fObjcGcCompaction; }
282 bool objcGc() const { return fObjCGc; }
283 bool objcGcOnly() const { return fObjCGcOnly; }
284 bool canUseThreadLocalVariables() const { return fTLVSupport; }
285 bool demangleSymbols() const { return fDemangle; }
286 bool addVersionLoadCommand() const { return fVersionLoadCommand; }
287 bool addFunctionStarts() const { return fFunctionStartsLoadCommand; }
288 bool canReExportSymbols() const { return fCanReExportSymbols; }
289 const char* tempLtoObjectPath() const { return fTempLtoObjectPath; }
290 bool objcCategoryMerging() const { return fObjcCategoryMerging; }
291 bool pageAlignDataAtoms() const { return fPageAlignDataAtoms; }
292 bool hasWeakBitTweaks() const;
293 bool forceWeak(const char* symbolName) const;
294 bool forceNotWeak(const char* symbolName) const;
295 bool forceWeakNonWildCard(const char* symbolName) const;
296 bool forceNotWeakNonWildcard(const char* symbolName) const;
297 bool errorBecauseOfWarnings() const;
298
299 private:
300 class CStringEquals
301 {
302 public:
303 bool operator()(const char* left, const char* right) const { return (strcmp(left, right) == 0); }
304 };
305 typedef __gnu_cxx::hash_map<const char*, unsigned int, __gnu_cxx::hash<const char*>, CStringEquals> NameToOrder;
306 typedef __gnu_cxx::hash_set<const char*, __gnu_cxx::hash<const char*>, CStringEquals> NameSet;
307 enum ExportMode { kExportDefault, kExportSome, kDontExportSome };
308 enum LibrarySearchMode { kSearchDylibAndArchiveInEachDir, kSearchAllDirsForDylibsThenAllDirsForArchives };
309 enum InterposeMode { kInterposeNone, kInterposeAllExternal, kInterposeSome };
310
311 class SetWithWildcards {
312 public:
313 void insert(const char*);
314 bool contains(const char*) const;
315 bool containsNonWildcard(const char*) const;
316 bool empty() const { return fRegular.empty() && fWildCard.empty(); }
317 bool hasWildCards() const { return !fWildCard.empty(); }
318 NameSet::iterator regularBegin() const { return fRegular.begin(); }
319 NameSet::iterator regularEnd() const { return fRegular.end(); }
320 void remove(const NameSet&);
321 private:
322 static bool hasWildCards(const char*);
323 bool wildCardMatch(const char* pattern, const char* candidate) const;
324 bool inCharRange(const char*& range, unsigned char c) const;
325
326 NameSet fRegular;
327 std::vector<const char*> fWildCard;
328 };
329
330
331 void parse(int argc, const char* argv[]);
332 void checkIllegalOptionCombinations();
333 void buildSearchPaths(int argc, const char* argv[]);
334 void parseArch(const char* architecture);
335 FileInfo findLibrary(const char* rootName, bool dylibsOnly=false);
336 FileInfo findFramework(const char* frameworkName);
337 FileInfo findFramework(const char* rootName, const char* suffix);
338 bool checkForFile(const char* format, const char* dir, const char* rootName,
339 FileInfo& result) const;
340 uint64_t parseVersionNumber64(const char*);
341 uint32_t parseVersionNumber32(const char*);
342 void parseSectionOrderFile(const char* segment, const char* section, const char* path);
343 void parseOrderFile(const char* path, bool cstring);
344 void addSection(const char* segment, const char* section, const char* path);
345 void addSubLibrary(const char* name);
346 void loadFileList(const char* fileOfPaths);
347 uint64_t parseAddress(const char* addr);
348 void loadExportFile(const char* fileOfExports, const char* option, SetWithWildcards& set);
349 void parseAliasFile(const char* fileOfAliases);
350 void parsePreCommandLineEnvironmentSettings();
351 void parsePostCommandLineEnvironmentSettings();
352 void setUndefinedTreatment(const char* treatment);
353 void setMacOSXVersionMin(const char* version);
354 void setIOSVersionMin(const char* version);
355 void setWeakReferenceMismatchTreatment(const char* treatment);
356 void addDylibOverride(const char* paths);
357 void addSectionAlignment(const char* segment, const char* section, const char* alignment);
358 CommonsMode parseCommonsTreatment(const char* mode);
359 Treatment parseTreatment(const char* treatment);
360 void reconfigureDefaults();
361 void checkForClassic(int argc, const char* argv[]);
362 void parseSegAddrTable(const char* segAddrPath, const char* installPath);
363 void addLibrary(const FileInfo& info);
364 void warnObsolete(const char* arg);
365 uint32_t parseProtection(const char* prot);
366 void loadSymbolOrderFile(const char* fileOfExports, NameToOrder& orderMapping);
367
368
369
370 // ObjectFile::ReaderOptions fReaderOptions;
371 const char* fOutputFile;
372 std::vector<Options::FileInfo> fInputFiles;
373 cpu_type_t fArchitecture;
374 cpu_subtype_t fSubArchitecture;
375 const char* fArchitectureName;
376 OutputKind fOutputKind;
377 bool fHasPreferredSubType;
378 bool fArchSupportsThumb2;
379 bool fPrebind;
380 bool fBindAtLoad;
381 bool fKeepPrivateExterns;
382 bool fNeedsModuleTable;
383 bool fIgnoreOtherArchFiles;
384 bool fErrorOnOtherArchFiles;
385 bool fForceSubtypeAll;
386 InterposeMode fInterposeMode;
387 bool fDeadStrip;
388 NameSpace fNameSpace;
389 uint32_t fDylibCompatVersion;
390 uint64_t fDylibCurrentVersion;
391 const char* fDylibInstallName;
392 const char* fFinalName;
393 const char* fEntryName;
394 uint64_t fBaseAddress;
395 uint64_t fMaxAddress;
396 uint64_t fBaseWritableAddress;
397 bool fSplitSegs;
398 SetWithWildcards fExportSymbols;
399 SetWithWildcards fDontExportSymbols;
400 SetWithWildcards fInterposeList;
401 SetWithWildcards fForceWeakSymbols;
402 SetWithWildcards fForceNotWeakSymbols;
403 SetWithWildcards fReExportSymbols;
404 NameSet fRemovedExports;
405 NameToOrder fExportSymbolsOrder;
406 ExportMode fExportMode;
407 LibrarySearchMode fLibrarySearchMode;
408 UndefinedTreatment fUndefinedTreatment;
409 bool fMessagesPrefixedWithArchitecture;
410 WeakReferenceMismatchTreatment fWeakReferenceMismatchTreatment;
411 std::vector<const char*> fSubUmbellas;
412 std::vector<const char*> fSubLibraries;
413 std::vector<const char*> fAllowableClients;
414 std::vector<const char*> fRPaths;
415 const char* fClientName;
416 const char* fUmbrellaName;
417 const char* fInitFunctionName;
418 const char* fDotOutputFile;
419 const char* fExecutablePath;
420 const char* fBundleLoader;
421 const char* fDtraceScriptName;
422 const char* fSegAddrTablePath;
423 const char* fMapPath;
424 const char* fDyldInstallPath;
425 const char* fTempLtoObjectPath;
426 uint64_t fZeroPageSize;
427 uint64_t fStackSize;
428 uint64_t fStackAddr;
429 bool fExecutableStack;
430 bool fNonExecutableHeap;
431 bool fDisableNonExecutableHeap;
432 uint32_t fMinimumHeaderPad;
433 uint64_t fSegmentAlignment;
434 CommonsMode fCommonsMode;
435 enum UUIDMode fUUIDMode;
436 SetWithWildcards fLocalSymbolsIncluded;
437 SetWithWildcards fLocalSymbolsExcluded;
438 LocalSymbolHandling fLocalSymbolHandling;
439 bool fWarnCommons;
440 bool fVerbose;
441 bool fKeepRelocations;
442 bool fWarnStabs;
443 bool fTraceDylibSearching;
444 bool fPause;
445 bool fStatistics;
446 bool fPrintOptions;
447 bool fSharedRegionEligible;
448 bool fPrintOrderFileStatistics;
449 bool fReadOnlyx86Stubs;
450 bool fPositionIndependentExecutable;
451 bool fPIEOnCommandLine;
452 bool fDisablePositionIndependentExecutable;
453 bool fMaxMinimumHeaderPad;
454 bool fDeadStripDylibs;
455 bool fAllowTextRelocs;
456 bool fWarnTextRelocs;
457 bool fUsingLazyDylibLinking;
458 bool fEncryptable;
459 bool fOrderData;
460 bool fMarkDeadStrippableDylib;
461 bool fMakeCompressedDyldInfo;
462 bool fMakeCompressedDyldInfoForceOff;
463 bool fNoEHLabels;
464 bool fAllowCpuSubtypeMismatches;
465 bool fUseSimplifiedDylibReExports;
466 bool fObjCABIVersion2Override;
467 bool fObjCABIVersion1Override;
468 bool fCanUseUpwardDylib;
469 bool fFullyLoadArchives;
470 bool fLoadAllObjcObjectsFromArchives;
471 bool fFlatNamespace;
472 bool fLinkingMainExecutable;
473 bool fForFinalLinkedImage;
474 bool fForStatic;
475 bool fForDyld;
476 bool fMakeTentativeDefinitionsReal;
477 bool fWhyLoad;
478 bool fRootSafe;
479 bool fSetuidSafe;
480 bool fImplicitlyLinkPublicDylibs;
481 bool fAddCompactUnwindEncoding;
482 bool fWarnCompactUnwind;
483 bool fRemoveDwarfUnwindIfCompactExists;
484 bool fAutoOrderInitializers;
485 bool fOptimizeZeroFill;
486 bool fMergeZeroFill;
487 bool fLogObjectFiles;
488 bool fLogAllFiles;
489 bool fTraceDylibs;
490 bool fTraceIndirectDylibs;
491 bool fTraceArchives;
492 bool fOutputSlidable;
493 bool fWarnWeakExports;
494 bool fObjcGcCompaction;
495 bool fObjCGc;
496 bool fObjCGcOnly;
497 bool fDemangle;
498 bool fTLVSupport;
499 bool fVersionLoadCommand;
500 bool fVersionLoadCommandForcedOn;
501 bool fVersionLoadCommandForcedOff;
502 bool fFunctionStartsLoadCommand;
503 bool fFunctionStartsForcedOn;
504 bool fFunctionStartsForcedOff;
505 bool fCanReExportSymbols;
506 bool fObjcCategoryMerging;
507 bool fPageAlignDataAtoms;
508 DebugInfoStripping fDebugInfoStripping;
509 const char* fTraceOutputFile;
510 ld::MacVersionMin fMacVersionMin;
511 ld::IOSVersionMin fIOSVersionMin;
512 std::vector<AliasPair> fAliases;
513 std::vector<const char*> fInitialUndefines;
514 NameSet fAllowedUndefined;
515 NameSet fWhyLive;
516 std::vector<ExtraSection> fExtraSections;
517 std::vector<SectionAlignment> fSectionAlignments;
518 std::vector<OrderedSymbol> fOrderedSymbols;
519 std::vector<SegmentStart> fCustomSegmentAddresses;
520 std::vector<SegmentSize> fCustomSegmentSizes;
521 std::vector<SegmentProtect> fCustomSegmentProtections;
522 std::vector<DylibOverride> fDylibOverrides;
523 std::vector<const char*> fLLVMOptions;
524 std::vector<const char*> fLibrarySearchPaths;
525 std::vector<const char*> fFrameworkSearchPaths;
526 std::vector<const char*> fSDKPaths;
527 std::vector<const char*> fDyldEnvironExtras;
528 bool fSaveTempFiles;
529 };
530
531
532
533 #endif // __OPTIONS__
A set of modifications to ctools and ld64 that enable support for older systems with up-to-date-tools.