]> git.saurik.com Git - apple/ld64.git/blobdiff - src/ld/Options.h
ld64-302.3.1.tar.gz
[apple/ld64.git] / src / ld / Options.h
index e7ffff23564e971e0d6be0366187bb94209058af..4ff780ca35073dd75d7160ed568206e2039f405f 100644 (file)
@@ -88,8 +88,9 @@ public:
        enum LocalSymbolHandling { kLocalSymbolsAll, kLocalSymbolsNone, kLocalSymbolsSelectiveInclude, kLocalSymbolsSelectiveExclude };
        enum BitcodeMode { kBitcodeProcess, kBitcodeAsData, kBitcodeMarker, kBitcodeStrip };
        enum DebugInfoStripping { kDebugInfoNone, kDebugInfoMinimal, kDebugInfoFull };
+       enum UnalignedPointerTreatment { kUnalignedPointerError, kUnalignedPointerWarning, kUnalignedPointerIgnore };
 #if SUPPORT_APPLE_TV
-       enum Platform { kPlatformUnknown, kPlatformOSX, kPlatformiOS, kPlatformWatchOS, kPlatform_tvOS };
+       enum Platform { kPlatformUnknown, kPlatformOSX=1, kPlatformiOS=2, kPlatformWatchOS=3, kPlatform_tvOS=4, kPlatform_bridgeOS=5 };
 #else
        enum Platform { kPlatformUnknown, kPlatformOSX, kPlatformiOS, kPlatformWatchOS };
 #endif
@@ -123,16 +124,41 @@ public:
                        case kPlatform_tvOS:
                                return "tvOS";
                #endif
+                       case kPlatform_bridgeOS:
+                               return "bridgeOS";
                        case kPlatformUnknown:
                        default:
                                return "(unknown)";
                }
        }
 
+       static void userReadableSwiftVersion(uint8_t value, char versionString[64])
+       {
+               switch (value) {
+                       case 1:
+                               strcpy(versionString, "1.0");
+                               break;
+                       case 2:
+                               strcpy(versionString, "1.1");
+                               break;
+                       case 3:
+                               strcpy(versionString, "2.0");
+                               break;
+                       case 4:
+                               strcpy(versionString, "3.0");
+                               break;
+                       case 5:
+                               strcpy(versionString, "4.0");
+                               break;
+                       default:
+                               sprintf(versionString, "unknown ABI version 0x%02X", value);
+               }
+       }
+
+
        class FileInfo {
     public:
                const char*                             path;
-               uint64_t                                fileLen;
                time_t                                  modTime;
                LibraryOptions                  options;
                ld::File::Ordinal               ordinal;
@@ -145,13 +171,24 @@ public:
         // The use pattern for FileInfo is to create one on the stack in a leaf function and return
         // it to the calling frame by copy. Therefore the copy constructor steals the path string from
         // the source, which dies with the stack frame.
-        FileInfo(FileInfo const &other) : path(other.path), fileLen(other.fileLen), modTime(other.modTime), options(other.options), ordinal(other.ordinal), fromFileList(other.fromFileList), inputFileSlot(-1) { ((FileInfo&)other).path = NULL; };
+        FileInfo(FileInfo const &other) : path(other.path), modTime(other.modTime), options(other.options), ordinal(other.ordinal), fromFileList(other.fromFileList), inputFileSlot(-1) { ((FileInfo&)other).path = NULL; };
+
+               FileInfo &operator=(FileInfo other) {
+                       std::swap(path, other.path);
+                       std::swap(modTime, other.modTime);
+                       std::swap(options, other.options);
+                       std::swap(ordinal, other.ordinal);
+                       std::swap(fromFileList, other.fromFileList);
+                       std::swap(inputFileSlot, other.inputFileSlot);
+                       std::swap(readyToParse, other.readyToParse);
+                       return *this;
+               }
 
         // Create an empty FileInfo. The path can be set implicitly by checkFileExists().
-        FileInfo() : path(NULL), fileLen(0), modTime(0), options(), fromFileList(false) {};
+        FileInfo() : path(NULL), modTime(-1), options(), fromFileList(false) {};
         
         // Create a FileInfo for a specific path, but does not stat the file.
-        FileInfo(const char *_path) : path(strdup(_path)), fileLen(0), modTime(0), options(), fromFileList(false) {};
+        FileInfo(const char *_path) : path(strdup(_path)), modTime(-1), options(), fromFileList(false) {};
 
         ~FileInfo() { if (path) ::free((void*)path); }
         
@@ -163,7 +200,7 @@ public:
         
         // Returns true if a previous call to checkFileExists() succeeded.
         // Returns false if the file does not exist of checkFileExists() has never been called.
-        bool missing() const { return modTime==0; }
+        bool missing() const { return modTime == -1; }
        };
 
        struct ExtraSection {
@@ -248,6 +285,7 @@ public:
        bool                                            preferSubArchitecture() const { return fHasPreferredSubType; }
        cpu_subtype_t                           subArchitecture() const { return fSubArchitecture; }
        bool                                            allowSubArchitectureMismatches() const { return fAllowCpuSubtypeMismatches; }
+       bool                                            enforceDylibSubtypesMatch() const { return fEnforceDylibSubtypesMatch; }
        bool                                            forceCpuSubtypeAll() const { return fForceSubtypeAll; }
        const char*                                     architectureName() const { return fArchitectureName; }
        void                                            setArchitecture(cpu_type_t, cpu_subtype_t subtype, Options::Platform platform);
@@ -279,6 +317,7 @@ public:
        bool                                            ignoreOtherArchInputFiles() const { return fIgnoreOtherArchFiles; }
        bool                                            traceDylibs() const     { return fTraceDylibs; }
        bool                                            traceArchives() const { return fTraceArchives; }
+       bool                                            traceEmitJSON() const { return fTraceEmitJSON; }
        bool                                            deadCodeStrip() const   { return fDeadStrip; }
        UndefinedTreatment                      undefinedTreatment() const { return fUndefinedTreatment; }
        ld::MacVersionMin                       macosxVersionMin() const { return fMacVersionMin; }
@@ -312,7 +351,8 @@ public:
        CommonsMode                                     commonsMode() const { return fCommonsMode; }
        bool                                            warnCommons() const { return fWarnCommons; }
        bool                                            keepRelocations();
-       FileInfo                                        findFile(const std::string &path) const;
+       FileInfo                                        findFile(const std::string &path, const ld::dylib::File* fromDylib=nullptr) const;
+       bool                                            findFile(const std::string &path, const std::vector<std::string> &tbdExtensions, FileInfo& result) const;
        UUIDMode                                        UUIDMode() const { return fUUIDMode; }
        bool                                            warnStabs();
        bool                                            pauseAtEnd() { return fPause; }
@@ -342,7 +382,7 @@ public:
        const std::vector<DylibOverride>&       dylibOverrides() const { return fDylibOverrides; }
        const char*                                     generatedMapPath() const { return fMapPath; }
        bool                                            positionIndependentExecutable() const { return fPositionIndependentExecutable; }
-       Options::FileInfo                       findFileUsingPaths(const std::string &path) const;
+       Options::FileInfo                       findIndirectDylib(const std::string& installName, const ld::dylib::File* fromDylib) 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); }
@@ -394,9 +434,14 @@ public:
        bool                                            objcGcOnly() const { return fObjCGcOnly; }
        bool                                            canUseThreadLocalVariables() const { return fTLVSupport; }
        bool                                            addVersionLoadCommand() const { return fVersionLoadCommand && (fPlatform != kPlatformUnknown); }
+       bool                                            addBuildVersionLoadCommand() const { return fBuildVersionLoadCommand; }
        bool                                            addFunctionStarts() const { return fFunctionStartsLoadCommand; }
        bool                                            addDataInCodeInfo() const { return fDataInCodeInfoLoadCommand; }
        bool                                            canReExportSymbols() const { return fCanReExportSymbols; }
+       const char*                                     ltoCachePath() const { return fLtoCachePath; }
+       int                                                     ltoPruneInterval() const { return fLtoPruneInterval; }
+       int                                                     ltoPruneAfter() const { return fLtoPruneAfter; }
+       unsigned                                        ltoMaxCacheSize() const { return fLtoMaxCacheSize; }
        const char*                                     tempLtoObjectPath() const { return fTempLtoObjectPath; }
        const char*                                     overridePathlibLTO() const { return fOverridePathlibLTO; }
        const char*                                     mcpuLTO() const { return fLtoCpu; }
@@ -415,14 +460,19 @@ public:
        bool                                            hideSymbols() const { return fHideSymbols; }
        bool                                            verifyBitcode() const { return fVerifyBitcode; }
        bool                                            renameReverseSymbolMap() const { return fReverseMapUUIDRename; }
+       bool                                            deduplicateFunctions() const { return fDeDupe; }
+       bool                                            verboseDeduplicate() const { return fVerboseDeDupe; }
        const char*                                     reverseSymbolMapPath() const { return fReverseMapPath; }
        std::string                                     reverseMapTempPath() const { return fReverseMapTempPath; }
        bool                                            ltoCodegenOnly() const { return fLTOCodegenOnly; }
        bool                                            ignoreAutoLink() const { return fIgnoreAutoLink; }
        bool                                            allowDeadDuplicates() const { return fAllowDeadDups; }
+       bool                                            allowWeakImports() const { return fAllowWeakImports; }
+       bool                                            noInitializers() const { return fNoInitializers; }
        BitcodeMode                                     bitcodeKind() const { return fBitcodeKind; }
        bool                                            sharedRegionEncodingV2() const { return fSharedRegionEncodingV2; }
        bool                                            useDataConstSegment() const { return fUseDataConstSegment; }
+       bool                                            useTextExecSegment() const { return fUseTextExecSegment; }
        bool                                            hasWeakBitTweaks() const;
        bool                                            forceWeak(const char* symbolName) const;
        bool                                            forceNotWeak(const char* symbolName) const;
@@ -458,6 +508,13 @@ public:
        std::vector<std::string>        writeBitcodeLinkOptions() const;
        std::string                                     getSDKVersionStr() const;
        std::string                                     getPlatformStr() const;
+       uint8_t                                         maxDefaultCommonAlign() const { return fMaxDefaultCommonAlign; }
+       bool                                            hasDataSymbolMoves() const { return !fSymbolsMovesData.empty(); }
+       bool                                            hasCodeSymbolMoves() const { return !fSymbolsMovesCode.empty(); }
+       void                                            writeToTraceFile(const char* buffer, size_t len) const;
+       UnalignedPointerTreatment       unalignedPointerTreatment() const { return fUnalignedPointerTreatment; }
+
+       static uint32_t                         parseVersionNumber32(const char*);
 
 private:
        typedef std::unordered_map<const char*, unsigned int, ld::CStringHash, ld::CStringEquals> NameToOrder;
@@ -500,9 +557,9 @@ private:
        bool                                            checkForFile(const char* format, const char* dir, const char* rootName,
                                                                                         FileInfo& result) const;
        uint64_t                                        parseVersionNumber64(const char*);
-       uint32_t                                        parseVersionNumber32(const char*);
        std::string                                     getVersionString32(uint32_t ver) const;
        std::string                                     getVersionString64(uint64_t ver) const;
+       bool                                            parsePackedVersion32(const std::string& versionStr, uint32_t &result);
        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);
@@ -591,6 +648,10 @@ private:
        const char*                                                     fSegAddrTablePath;
        const char*                                                     fMapPath;
        const char*                                                     fDyldInstallPath;
+       const char*                                                     fLtoCachePath;
+       int                                                                     fLtoPruneInterval;
+       int                                                                     fLtoPruneAfter;
+       unsigned                                                        fLtoMaxCacheSize;
        const char*                                                     fTempLtoObjectPath;
        const char*                                                     fOverridePathlibLTO;
        const char*                                                     fLtoCpu;
@@ -639,6 +700,7 @@ private:
        bool                                                            fMakeCompressedDyldInfoForceOff;
        bool                                                            fNoEHLabels;
        bool                                                            fAllowCpuSubtypeMismatches;
+       bool                                                            fEnforceDylibSubtypesMatch;
        bool                                                            fUseSimplifiedDylibReExports;
        bool                                                            fObjCABIVersion2Override;
        bool                                                            fObjCABIVersion1Override;
@@ -666,6 +728,7 @@ private:
        bool                                                            fTraceDylibs;
        bool                                                            fTraceIndirectDylibs;
        bool                                                            fTraceArchives;
+       bool                                                            fTraceEmitJSON;
        bool                                                            fOutputSlidable;
        bool                                                            fWarnWeakExports;
        bool                                                            fObjcGcCompaction;
@@ -676,6 +739,7 @@ private:
        bool                                                            fVersionLoadCommand;
        bool                                                            fVersionLoadCommandForcedOn;
        bool                                                            fVersionLoadCommandForcedOff;
+       bool                                                            fBuildVersionLoadCommand;
        bool                                                            fFunctionStartsLoadCommand;
        bool                                                            fFunctionStartsForcedOn;
        bool                                                            fFunctionStartsForcedOff;
@@ -711,15 +775,20 @@ private:
        bool                                                            fUseDataConstSegment;
        bool                                                            fUseDataConstSegmentForceOn;
        bool                                                            fUseDataConstSegmentForceOff;
+       bool                                                            fUseTextExecSegment;
        bool                                                            fBundleBitcode;
        bool                                                            fHideSymbols;
        bool                                                            fVerifyBitcode;
        bool                                                            fReverseMapUUIDRename;
+       bool                                                            fDeDupe;
+       bool                                                            fVerboseDeDupe;
        const char*                                                     fReverseMapPath;
        std::string                                                     fReverseMapTempPath;
        bool                                                            fLTOCodegenOnly;
        bool                                                            fIgnoreAutoLink;
        bool                                                            fAllowDeadDups;
+       bool                                                            fAllowWeakImports;
+       bool                                                            fNoInitializers;
        BitcodeMode                                                     fBitcodeKind;
        Platform                                                        fPlatform;
        DebugInfoStripping                                      fDebugInfoStripping;
@@ -751,13 +820,15 @@ private:
        std::vector<SegmentRename>                      fSegmentRenames;
        std::vector<SymbolsMove>                        fSymbolsMovesData;
        std::vector<SymbolsMove>                        fSymbolsMovesCode;
-       std::vector<SymbolsMove>                        fSymbolsMovesZeroFill;
        bool                                                            fSaveTempFiles;
     mutable Snapshot                                   fLinkSnapshot;
     bool                                                               fSnapshotRequested;
     const char*                                                        fPipelineFifo;
        const char*                                                     fDependencyInfoPath;
        mutable int                                                     fDependencyFileDescriptor;
+       mutable int                                                     fTraceFileDescriptor;
+       uint8_t                                                         fMaxDefaultCommonAlign;
+       UnalignedPointerTreatment                       fUnalignedPointerTreatment;
 };