/* -*- mode: C++; c-basic-offset: 4; tab-width: 4 -*-
*
- * Copyright (c) 2005-2007 Apple Inc. All rights reserved.
+ * Copyright (c) 2005-2010 Apple Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
#include <ext/hash_set>
#include <ext/hash_map>
-#include "ObjectFile.h"
+#include "ld.hpp"
extern void throwf (const char* format, ...) __attribute__ ((noreturn,format(printf, 1, 2)));
extern void warning(const char* format, ...) __attribute__((format(printf, 1, 2)));
class LibraryOptions
{
public:
- LibraryOptions() : fWeakImport(false), fReExport(false), fBundleLoader(false), fLazyLoad(false), fForceLoad(false) {}
+ LibraryOptions() : fWeakImport(false), fReExport(false), fBundleLoader(false),
+ fLazyLoad(false), fUpward(false), fForceLoad(false) {}
// for dynamic libraries
bool fWeakImport;
bool fReExport;
bool fBundleLoader;
bool fLazyLoad;
+ bool fUpward;
// for static libraries
bool fForceLoad;
};
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 };
+ enum DebugInfoStripping { kDebugInfoNone, kDebugInfoMinimal, kDebugInfoFull };
struct FileInfo {
const char* path;
const char* path;
const uint8_t* data;
uint64_t dataLen;
+ typedef ExtraSection* iterator;
+ typedef const ExtraSection* const_iterator;
};
struct SectionAlignment {
const char* symbolName;
const char* objectFileName;
};
+ typedef const OrderedSymbol* OrderedSymbolsIterator;
struct SegmentStart {
const char* name;
const char* useInstead;
};
+ struct AliasPair {
+ const char* realName;
+ const char* alias;
+ };
+
+ typedef const char* const* UndefinesIterator;
- const ObjectFile::ReaderOptions& readerOptions();
- const char* getOutputFilePath();
- std::vector<FileInfo>& getInputFiles();
+// const ObjectFile::ReaderOptions& readerOptions();
+ const char* outputFilePath() const { return fOutputFile; }
+ const std::vector<FileInfo>& getInputFiles() const { return fInputFiles; }
- cpu_type_t architecture() { return fArchitecture; }
- bool preferSubArchitecture() { return fHasPreferredSubType; }
- cpu_subtype_t subArchitecture() { return fSubArchitecture; }
- bool allowSubArchitectureMismatches() { return fAllowCpuSubtypeMismatches; }
- 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
+ cpu_type_t architecture() const { return fArchitecture; }
+ bool preferSubArchitecture() const { return fHasPreferredSubType; }
+ cpu_subtype_t subArchitecture() const { return fSubArchitecture; }
+ bool allowSubArchitectureMismatches() const { return fAllowCpuSubtypeMismatches; }
+ bool forceCpuSubtypeAll() const { return fForceSubtypeAll; }
+ const char* architectureName() const { return fArchitectureName; }
+ void setArchitecture(cpu_type_t, cpu_subtype_t subtype);
+ OutputKind outputKind() const { return fOutputKind; }
+ bool prebind() const { return fPrebind; }
+ bool bindAtLoad() const { return fBindAtLoad; }
+ NameSpace nameSpace() const { return fNameSpace; }
+ const char* installPath() const; // only for kDynamicLibrary
+ uint32_t currentVersion() const { return fDylibCurrentVersion; } // only for kDynamicLibrary
+ uint32_t compatibilityVersion() const { return fDylibCompatVersion; } // only for kDynamicLibrary
+ const char* entryName() const { return fEntryName; } // 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(); // -exported_symbol or -unexported_symbol
- bool hasExportMaskList(); // just -exported_symbol
- bool hasWildCardExportRestrictList();
- bool allGlobalsAreDeadStripRoots();
- bool shouldExport(const char*);
- bool ignoreOtherArchInputFiles();
- bool forceCpuSubtypeAll();
- bool traceDylibs();
- bool traceArchives();
- DeadStripMode deadStrip();
- UndefinedTreatment undefinedTreatment();
- ObjectFile::ReaderOptions::MacVersionMin macosxVersionMin() { return fReaderOptions.fMacVersionMin; }
- ObjectFile::ReaderOptions::IPhoneVersionMin iphoneOSVersionMin() { return fReaderOptions.fIPhoneVersionMin; }
- bool minOS(ObjectFile::ReaderOptions::MacVersionMin mac, ObjectFile::ReaderOptions::IPhoneVersionMin iPhoneOS);
+ uint64_t baseAddress() const { return fBaseAddress; }
+ uint64_t maxAddress() const { return fMaxAddress; }
+ bool keepPrivateExterns() const { return fKeepPrivateExterns; } // only for kObjectFile
+ bool needsModuleTable() const { return fNeedsModuleTable; } // only for kDynamicLibrary
+ bool interposable(const char* name) const;
+ bool hasExportRestrictList() const { return (fExportMode != kExportDefault); } // -exported_symbol or -unexported_symbol
+ bool hasExportMaskList() const { return (fExportMode == kExportSome); } // just -exported_symbol
+ bool hasWildCardExportRestrictList() const;
+ bool hasReExportList() const { return ! fReExportSymbols.empty(); }
+ bool wasRemovedExport(const char* sym) const { return ( fRemovedExports.find(sym) != fRemovedExports.end() ); }
+ bool allGlobalsAreDeadStripRoots() const;
+ bool shouldExport(const char*) const;
+ bool shouldReExport(const char*) const;
+ bool ignoreOtherArchInputFiles() const { return fIgnoreOtherArchFiles; }
+ bool traceDylibs() const { return fTraceDylibs; }
+ bool traceArchives() const { return fTraceArchives; }
+ bool deadCodeStrip() const { return fDeadStrip; }
+ UndefinedTreatment undefinedTreatment() const { return fUndefinedTreatment; }
+ ld::MacVersionMin macosxVersionMin() const { return fMacVersionMin; }
+ ld::IPhoneVersionMin iphoneOSVersionMin() const { return fIPhoneVersionMin; }
+ bool minOS(ld::MacVersionMin mac, ld::IPhoneVersionMin iPhoneOS);
bool messagesPrefixedWithArchitecture();
Treatment picTreatment();
- WeakReferenceMismatchTreatment weakReferenceMismatchTreatment();
- const char* umbrellaName();
- std::vector<const char*>& allowableClients();
- const char* clientName();
- const char* initFunctionName(); // only for kDynamicLibrary
+ WeakReferenceMismatchTreatment weakReferenceMismatchTreatment() const { return fWeakReferenceMismatchTreatment; }
+ const char* umbrellaName() const { return fUmbrellaName; }
+ const std::vector<const char*>& allowableClients() const { return fAllowableClients; }
+ const char* clientName() const { return fClientName; }
+ const char* initFunctionName() const { return fInitFunctionName; } // 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();
- uint64_t segmentAlignment() { return fSegmentAlignment; }
- bool maxMminimumHeaderPad() { return fMaxMinimumHeaderPad; }
- std::vector<ExtraSection>& extraSections();
- std::vector<SectionAlignment>& sectionAlignments();
- CommonsMode commonsMode();
- bool warnCommons();
+ uint64_t pageZeroSize() const { return fZeroPageSize; }
+ bool hasCustomStack() const { return (fStackSize != 0); }
+ uint64_t customStackSize() const { return fStackSize; }
+ uint64_t customStackAddr() const { return fStackAddr; }
+ bool hasExecutableStack() const { return fExecutableStack; }
+ bool hasNonExecutableHeap() const { return fNonExecutableHeap; }
+ UndefinesIterator initialUndefinesBegin() const { return &fInitialUndefines[0]; }
+ UndefinesIterator initialUndefinesEnd() const { return &fInitialUndefines[fInitialUndefines.size()]; }
+ bool printWhyLive(const char* name) const;
+ uint32_t minimumHeaderPad() const { return fMinimumHeaderPad; }
+ bool maxMminimumHeaderPad() const { return fMaxMinimumHeaderPad; }
+ ExtraSection::const_iterator extraSectionsBegin() const { return &fExtraSections[0]; }
+ ExtraSection::const_iterator extraSectionsEnd() const { return &fExtraSections[fExtraSections.size()]; }
+ CommonsMode commonsMode() const { return fCommonsMode; }
+ bool warnCommons() const { return fWarnCommons; }
bool keepRelocations();
- FileInfo findFile(const char* path);
- UUIDMode getUUIDMode() { return fUUIDMode; }
+ FileInfo findFile(const char* path) const;
+ UUIDMode UUIDMode() const { return fUUIDMode; }
bool warnStabs();
bool pauseAtEnd() { return fPause; }
- bool printStatistics() { return fStatistics; }
- bool printArchPrefix() { return fMessagesPrefixedWithArchitecture; }
+ bool printStatistics() const { return fStatistics; }
+ bool printArchPrefix() const { return fMessagesPrefixedWithArchitecture; }
void gotoClassicLinker(int argc, const char* argv[]);
- bool sharedRegionEligible() { return fSharedRegionEligible; }
- bool printOrderFileStatistics() { return fPrintOrderFileStatistics; }
+ bool sharedRegionEligible() const { return fSharedRegionEligible; }
+ bool printOrderFileStatistics() const { return fPrintOrderFileStatistics; }
const char* dTraceScriptName() { return fDtraceScriptName; }
bool dTrace() { return (fDtraceScriptName != NULL); }
- std::vector<OrderedSymbol>& orderedSymbols() { return fOrderedSymbols; }
- bool splitSeg() { return fSplitSegs; }
+ unsigned long orderedSymbolsCount() const { return fOrderedSymbols.size(); }
+ OrderedSymbolsIterator orderedSymbolsBegin() const { return &fOrderedSymbols[0]; }
+ OrderedSymbolsIterator orderedSymbolsEnd() const { return &fOrderedSymbols[fOrderedSymbols.size()]; }
+ bool splitSeg() const { return fSplitSegs; }
uint64_t baseWritableAddress() { return fBaseWritableAddress; }
- std::vector<SegmentStart>& customSegmentAddresses() { return fCustomSegmentAddresses; }
- std::vector<SegmentSize>& customSegmentSizes() { return fCustomSegmentSizes; }
- std::vector<SegmentProtect>& customSegmentProtections() { return fCustomSegmentProtections; }
- bool saveTempFiles() { return fSaveTempFiles; }
- const std::vector<const char*>& rpaths() { return fRPaths; }
+ uint64_t segmentAlignment() const { return fSegmentAlignment; }
+ uint64_t segPageSize(const char* segName) const;
+ uint64_t customSegmentAddress(const char* segName) const;
+ bool hasCustomSegmentAddress(const char* segName) const;
+ bool hasCustomSectionAlignment(const char* segName, const char* sectName) const;
+ uint8_t customSectionAlignment(const char* segName, const char* sectName) const;
+ uint32_t initialSegProtection(const char*) const;
+ uint32_t maxSegProtection(const char*) const;
+ bool saveTempFiles() const { return fSaveTempFiles; }
+ const std::vector<const char*>& rpaths() const { return fRPaths; }
bool readOnlyx86Stubs() { return fReadOnlyx86Stubs; }
- 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); }
+ const std::vector<DylibOverride>& dylibOverrides() const { return fDylibOverrides; }
+ const char* generatedMapPath() const { return fMapPath; }
+ bool positionIndependentExecutable() const { return fPositionIndependentExecutable; }
+ Options::FileInfo findFileUsingPaths(const char* path) const;
+ bool deadStripDylibs() const { return fDeadStripDylibs; }
+ bool allowedUndefined(const char* name) const { return ( fAllowedUndefined.find(name) != fAllowedUndefined.end() ); }
+ bool someAllowedUndefines() const { 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; }
- bool needsUnwindInfoSection() { return fReaderOptions.fAddCompactUnwindEncoding; }
- std::vector<const char*>& llvmOptions() { return fLLVMOptions; }
- bool makeClassicDyldInfo() { return fMakeClassicDyldInfo; }
- bool makeCompressedDyldInfo() { return fMakeCompressedDyldInfo; }
+ bool keepLocalSymbol(const char* symbolName) const;
+ bool allowTextRelocs() const { return fAllowTextRelocs; }
+ bool warnAboutTextRelocs() const { return fWarnTextRelocs; }
+ bool usingLazyDylibLinking() const { return fUsingLazyDylibLinking; }
+ bool verbose() const { return fVerbose; }
+ bool makeEncryptable() const { return fEncryptable; }
+ bool needsUnwindInfoSection() const { return fAddCompactUnwindEncoding; }
+ const std::vector<const char*>& llvmOptions() const{ return fLLVMOptions; }
+ const std::vector<const char*>& dyldEnvironExtras() const{ return fDyldEnvironExtras; }
+ bool makeCompressedDyldInfo() const { return fMakeCompressedDyldInfo; }
bool hasExportedSymbolOrder();
- bool exportedSymbolOrder(const char* sym, unsigned int* order);
+ bool exportedSymbolOrder(const char* sym, unsigned int* order) const;
bool orderData() { return fOrderData; }
- bool errorOnOtherArchFiles() { return fErrorOnOtherArchFiles; }
- bool markAutoDeadStripDylib() { return fMarkDeadStrippableDylib; }
- bool removeEHLabels() { return fReaderOptions.fNoEHLabels; }
- bool useSimplifiedDylibReExports() { return fUseSimplifiedDylibReExports; }
- bool objCABIVersion2POverride() { return fObjCABIVersion2POverride; }
+ bool errorOnOtherArchFiles() const { return fErrorOnOtherArchFiles; }
+ bool markAutoDeadStripDylib() const { return fMarkDeadStrippableDylib; }
+ bool removeEHLabels() const { return fNoEHLabels; }
+ bool useSimplifiedDylibReExports() const { return fUseSimplifiedDylibReExports; }
+ bool objCABIVersion2POverride() const { return fObjCABIVersion2Override; }
+ bool useUpwardDylibs() const { return fCanUseUpwardDylib; }
+ bool fullyLoadArchives() const { return fFullyLoadArchives; }
+ bool loadAllObjcObjectsFromArchives() const { return fLoadAllObjcObjectsFromArchives; }
+ bool autoOrderInitializers() const { return fAutoOrderInitializers; }
+ bool optimizeZeroFill() const { return fOptimizeZeroFill; }
+ bool logAllFiles() const { return fLogAllFiles; }
+ DebugInfoStripping debugInfoStripping() const { return fDebugInfoStripping; }
+ bool flatNamespace() const { return fFlatNamespace; }
+ bool linkingMainExecutable() const { return fLinkingMainExecutable; }
+ bool implicitlyLinkIndirectPublicDylibs() const { return fImplicitlyLinkPublicDylibs; }
+ bool whyLoad() const { return fWhyLoad; }
+ const char* traceOutputFile() const { return fTraceOutputFile; }
+ bool outputSlidable() const { return fOutputSlidable; }
+ bool haveCmdLineAliases() const { return (fAliases.size() != 0); }
+ const std::vector<AliasPair>& cmdLineAliases() const { return fAliases; }
+ bool makeTentativeDefinitionsReal() const { return fMakeTentativeDefinitionsReal; }
+ const char* dyldInstallPath() const { return fDyldInstallPath; }
+ bool warnWeakExports() const { return fWarnWeakExports; }
+ bool objcGcCompaction() const { return fObjcGcCompaction; }
+ bool objcGc() const { return fObjCGc; }
+ bool objcGcOnly() const { return fObjCGcOnly; }
+ bool canUseThreadLocalVariables() const { return fTLVSupport; }
+ bool demangleSymbols() const { return fDemangle; }
+ bool addVersionLoadCommand() const { return fVersionLoadCommand; }
+ bool addFunctionStarts() const { return fFunctionStartsLoadCommand; }
+ bool canReExportSymbols() const { return fCanReExportSymbols; }
+ const char* tempLtoObjectPath() const { return fTempLtoObjectPath; }
+ bool objcCategoryMerging() const { return fObjcCategoryMerging; }
+ bool hasWeakBitTweaks() const;
+ bool forceWeak(const char* symbolName) const;
+ bool forceNotWeak(const char* symbolName) const;
+ bool forceWeakNonWildCard(const char* symbolName) const;
+ bool forceNotWeakNonWildcard(const char* symbolName) const;
private:
class CStringEquals
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(); }
+ bool contains(const char*) const;
+ bool containsNonWildcard(const char*) const;
+ bool empty() const { return fRegular.empty() && fWildCard.empty(); }
+ bool hasWildCards() const { return !fWildCard.empty(); }
+ NameSet::iterator regularBegin() const { return fRegular.begin(); }
+ NameSet::iterator regularEnd() const { return fRegular.end(); }
+ void remove(const NameSet&);
private:
static bool hasWildCards(const char*);
- bool wildCardMatch(const char* pattern, const char* candidate);
- bool inCharRange(const char*& range, unsigned char c);
+ bool wildCardMatch(const char* pattern, const char* candidate) const;
+ bool inCharRange(const char*& range, unsigned char c) const;
NameSet fRegular;
std::vector<const char*> fWildCard;
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);
+ FileInfo& result) const;
uint32_t parseVersionNumber(const char*);
void parseSectionOrderFile(const char* segment, const char* section, const char* path);
void parseOrderFile(const char* path, bool cstring);
void loadSymbolOrderFile(const char* fileOfExports, NameToOrder& orderMapping);
- ObjectFile::ReaderOptions fReaderOptions;
+
+// ObjectFile::ReaderOptions fReaderOptions;
const char* fOutputFile;
std::vector<Options::FileInfo> fInputFiles;
cpu_type_t fArchitecture;
cpu_subtype_t fSubArchitecture;
+ const char* fArchitectureName;
OutputKind fOutputKind;
bool fHasPreferredSubType;
bool fPrebind;
bool fErrorOnOtherArchFiles;
bool fForceSubtypeAll;
InterposeMode fInterposeMode;
- DeadStripMode fDeadStrip;
+ bool fDeadStrip;
NameSpace fNameSpace;
uint32_t fDylibCompatVersion;
uint32_t fDylibCurrentVersion;
const char* fFinalName;
const char* fEntryName;
uint64_t fBaseAddress;
+ uint64_t fMaxAddress;
uint64_t fBaseWritableAddress;
bool fSplitSegs;
SetWithWildcards fExportSymbols;
SetWithWildcards fDontExportSymbols;
SetWithWildcards fInterposeList;
+ SetWithWildcards fForceWeakSymbols;
+ SetWithWildcards fForceNotWeakSymbols;
+ SetWithWildcards fReExportSymbols;
+ NameSet fRemovedExports;
NameToOrder fExportSymbolsOrder;
ExportMode fExportMode;
LibrarySearchMode fLibrarySearchMode;
const char* fDtraceScriptName;
const char* fSegAddrTablePath;
const char* fMapPath;
+ const char* fDyldInstallPath;
+ const char* fTempLtoObjectPath;
uint64_t fZeroPageSize;
uint64_t fStackSize;
uint64_t fStackAddr;
bool fExecutableStack;
+ bool fNonExecutableHeap;
+ bool fDisableNonExecutableHeap;
uint32_t fMinimumHeaderPad;
uint64_t fSegmentAlignment;
CommonsMode fCommonsMode;
- UUIDMode fUUIDMode;
+ enum UUIDMode fUUIDMode;
SetWithWildcards fLocalSymbolsIncluded;
SetWithWildcards fLocalSymbolsExcluded;
LocalSymbolHandling fLocalSymbolHandling;
bool fPrintOrderFileStatistics;
bool fReadOnlyx86Stubs;
bool fPositionIndependentExecutable;
+ bool fPIEOnCommandLine;
bool fDisablePositionIndependentExecutable;
bool fMaxMinimumHeaderPad;
bool fDeadStripDylibs;
bool fEncryptable;
bool fOrderData;
bool fMarkDeadStrippableDylib;
- bool fMakeClassicDyldInfo;
bool fMakeCompressedDyldInfo;
+ bool fMakeCompressedDyldInfoForceOff;
bool fNoEHLabels;
bool fAllowCpuSubtypeMismatches;
bool fUseSimplifiedDylibReExports;
- bool fObjCABIVersion2POverride;
+ bool fObjCABIVersion2Override;
+ bool fObjCABIVersion1Override;
+ bool fCanUseUpwardDylib;
+ bool fFullyLoadArchives;
+ bool fLoadAllObjcObjectsFromArchives;
+ bool fFlatNamespace;
+ bool fLinkingMainExecutable;
+ bool fForFinalLinkedImage;
+ bool fForStatic;
+ bool fForDyld;
+ bool fMakeTentativeDefinitionsReal;
+ bool fWhyLoad;
+ bool fRootSafe;
+ bool fSetuidSafe;
+ bool fImplicitlyLinkPublicDylibs;
+ bool fAddCompactUnwindEncoding;
+ bool fWarnCompactUnwind;
+ bool fRemoveDwarfUnwindIfCompactExists;
+ bool fAutoOrderInitializers;
+ bool fOptimizeZeroFill;
+ bool fLogObjectFiles;
+ bool fLogAllFiles;
+ bool fTraceDylibs;
+ bool fTraceIndirectDylibs;
+ bool fTraceArchives;
+ bool fOutputSlidable;
+ bool fWarnWeakExports;
+ bool fObjcGcCompaction;
+ bool fObjCGc;
+ bool fObjCGcOnly;
+ bool fDemangle;
+ bool fTLVSupport;
+ bool fVersionLoadCommand;
+ bool fFunctionStartsLoadCommand;
+ bool fCanReExportSymbols;
+ bool fObjcCategoryMerging;
+ DebugInfoStripping fDebugInfoStripping;
+ const char* fTraceOutputFile;
+ ld::MacVersionMin fMacVersionMin;
+ ld::IPhoneVersionMin fIPhoneVersionMin;
+ std::vector<AliasPair> fAliases;
std::vector<const char*> fInitialUndefines;
NameSet fAllowedUndefined;
NameSet fWhyLive;
std::vector<const char*> fLibrarySearchPaths;
std::vector<const char*> fFrameworkSearchPaths;
std::vector<const char*> fSDKPaths;
+ std::vector<const char*> fDyldEnvironExtras;
bool fSaveTempFiles;
};