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	It was only implemented for ELF where it collected the Addend, so this patch also renames it to getRelocationAddend. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181502 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			185 lines
		
	
	
		
			8.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			185 lines
		
	
	
		
			8.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| //===- MachO.h - MachO object file implementation ---------------*- C++ -*-===//
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| //
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| //                     The LLVM Compiler Infrastructure
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| //
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| // This file is distributed under the University of Illinois Open Source
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| // License. See LICENSE.TXT for details.
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| //
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| //===----------------------------------------------------------------------===//
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| //
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| // This file declares the MachOObjectFile class, which implement the ObjectFile
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| // interface for MachO files.
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| //
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| //===----------------------------------------------------------------------===//
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| 
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| #ifndef LLVM_OBJECT_MACHO_H
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| #define LLVM_OBJECT_MACHO_H
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| 
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| #include "llvm/ADT/ArrayRef.h"
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| #include "llvm/ADT/SmallVector.h"
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| #include "llvm/Object/MachOFormat.h"
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| #include "llvm/Object/ObjectFile.h"
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| #include "llvm/Support/MachO.h"
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| #include "llvm/Support/raw_ostream.h"
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| 
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| namespace llvm {
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| namespace object {
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| 
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| class MachOObjectFile : public ObjectFile {
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| public:
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|   struct LoadCommandInfo {
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|     const char *Ptr;      // Where in memory the load command is.
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|     macho::LoadCommand C; // The command itself.
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|   };
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| 
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|   MachOObjectFile(MemoryBuffer *Object, bool IsLittleEndian, bool Is64Bits,
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|                   error_code &ec);
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| 
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|   virtual error_code getSymbolNext(DataRefImpl Symb, SymbolRef &Res) const;
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|   virtual error_code getSymbolName(DataRefImpl Symb, StringRef &Res) const;
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|   virtual error_code getSymbolAddress(DataRefImpl Symb, uint64_t &Res) const;
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|   virtual error_code getSymbolFileOffset(DataRefImpl Symb, uint64_t &Res) const;
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|   virtual error_code getSymbolAlignment(DataRefImpl Symb, uint32_t &Res) const;
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|   virtual error_code getSymbolSize(DataRefImpl Symb, uint64_t &Res) const;
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|   virtual error_code getSymbolType(DataRefImpl Symb,
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|                                    SymbolRef::Type &Res) const;
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|   virtual error_code getSymbolNMTypeChar(DataRefImpl Symb, char &Res) const;
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|   virtual error_code getSymbolFlags(DataRefImpl Symb, uint32_t &Res) const;
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|   virtual error_code getSymbolSection(DataRefImpl Symb,
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|                                       section_iterator &Res) const;
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|   virtual error_code getSymbolValue(DataRefImpl Symb, uint64_t &Val) const;
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| 
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|   virtual error_code getSectionNext(DataRefImpl Sec, SectionRef &Res) const;
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|   virtual error_code getSectionName(DataRefImpl Sec, StringRef &Res) const;
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|   virtual error_code getSectionAddress(DataRefImpl Sec, uint64_t &Res) const;
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|   virtual error_code getSectionSize(DataRefImpl Sec, uint64_t &Res) const;
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|   virtual error_code getSectionContents(DataRefImpl Sec, StringRef &Res) const;
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|   virtual error_code getSectionAlignment(DataRefImpl Sec, uint64_t &Res) const;
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|   virtual error_code isSectionText(DataRefImpl Sec, bool &Res) const;
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|   virtual error_code isSectionData(DataRefImpl Sec, bool &Res) const;
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|   virtual error_code isSectionBSS(DataRefImpl Sec, bool &Res) const;
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|   virtual error_code isSectionRequiredForExecution(DataRefImpl Sec,
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|                                                    bool &Res) const;
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|   virtual error_code isSectionVirtual(DataRefImpl Sec, bool &Res) const;
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|   virtual error_code isSectionZeroInit(DataRefImpl Sec, bool &Res) const;
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|   virtual error_code isSectionReadOnlyData(DataRefImpl Sec, bool &Res) const;
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|   virtual error_code sectionContainsSymbol(DataRefImpl Sec, DataRefImpl Symb,
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|                                            bool &Result) const;
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|   virtual relocation_iterator getSectionRelBegin(DataRefImpl Sec) const;
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|   virtual relocation_iterator getSectionRelEnd(DataRefImpl Sec) const;
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| 
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|   virtual error_code getRelocationNext(DataRefImpl Rel,
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|                                        RelocationRef &Res) const;
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|   virtual error_code getRelocationAddress(DataRefImpl Rel, uint64_t &Res) const;
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|   virtual error_code getRelocationOffset(DataRefImpl Rel, uint64_t &Res) const;
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|   virtual error_code getRelocationSymbol(DataRefImpl Rel, SymbolRef &Res) const;
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|   virtual error_code getRelocationType(DataRefImpl Rel, uint64_t &Res) const;
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|   virtual error_code getRelocationTypeName(DataRefImpl Rel,
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|                                            SmallVectorImpl<char> &Result) const;
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|   virtual error_code getRelocationValueString(DataRefImpl Rel,
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|                                            SmallVectorImpl<char> &Result) const;
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|   virtual error_code getRelocationHidden(DataRefImpl Rel, bool &Result) const;
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| 
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|   virtual error_code getLibraryNext(DataRefImpl LibData, LibraryRef &Res) const;
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|   virtual error_code getLibraryPath(DataRefImpl LibData, StringRef &Res) const;
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| 
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|   // TODO: Would be useful to have an iterator based version
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|   // of the load command interface too.
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| 
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|   virtual symbol_iterator begin_symbols() const;
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|   virtual symbol_iterator end_symbols() const;
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| 
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|   virtual symbol_iterator begin_dynamic_symbols() const;
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|   virtual symbol_iterator end_dynamic_symbols() const;
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| 
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|   virtual section_iterator begin_sections() const;
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|   virtual section_iterator end_sections() const;
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| 
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|   virtual library_iterator begin_libraries_needed() const;
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|   virtual library_iterator end_libraries_needed() const;
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| 
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|   virtual uint8_t getBytesInAddress() const;
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| 
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|   virtual StringRef getFileFormatName() const;
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|   virtual unsigned getArch() const;
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| 
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|   virtual StringRef getLoadName() const;
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| 
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|   relocation_iterator getSectionRelBegin(unsigned Index) const;
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|   relocation_iterator getSectionRelEnd(unsigned Index) const;
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| 
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|   // In a MachO file, sections have a segment name. This is used in the .o
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|   // files. They have a single segment, but this field specifies which segment
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|   // a section should be put in in the final object.
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|   StringRef getSectionFinalSegmentName(DataRefImpl Sec) const;
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| 
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|   // Names are stored as 16 bytes. These returns the raw 16 bytes without
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|   // interpreting them as a C string.
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|   ArrayRef<char> getSectionRawName(DataRefImpl Sec) const;
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|   ArrayRef<char> getSectionRawFinalSegmentName(DataRefImpl Sec) const;
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| 
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|   // MachO specific Info about relocations.
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|   bool isRelocationScattered(const macho::RelocationEntry &RE) const;
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|   unsigned getPlainRelocationSymbolNum(const macho::RelocationEntry &RE) const;
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|   bool getPlainRelocationExternal(const macho::RelocationEntry &RE) const;
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|   bool getScatteredRelocationScattered(const macho::RelocationEntry &RE) const;
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|   uint32_t getScatteredRelocationValue(const macho::RelocationEntry &RE) const;
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|   unsigned getAnyRelocationAddress(const macho::RelocationEntry &RE) const;
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|   unsigned getAnyRelocationPCRel(const macho::RelocationEntry &RE) const;
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|   unsigned getAnyRelocationLength(const macho::RelocationEntry &RE) const;
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|   unsigned getAnyRelocationType(const macho::RelocationEntry &RE) const;
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|   SectionRef getRelocationSection(const macho::RelocationEntry &RE) const;
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| 
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|   // Walk load commands.
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|   LoadCommandInfo getFirstLoadCommandInfo() const;
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|   LoadCommandInfo getNextLoadCommandInfo(const LoadCommandInfo &L) const;
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| 
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|   // MachO specific structures.
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|   macho::Section getSection(DataRefImpl DRI) const;
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|   macho::Section64 getSection64(DataRefImpl DRI) const;
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|   macho::Section getSection(const LoadCommandInfo &L, unsigned Index) const;
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|   macho::Section64 getSection64(const LoadCommandInfo &L, unsigned Index) const;
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|   macho::SymbolTableEntry getSymbolTableEntry(DataRefImpl DRI) const;
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|   macho::Symbol64TableEntry getSymbol64TableEntry(DataRefImpl DRI) const;
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| 
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|   macho::LinkeditDataLoadCommand
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|   getLinkeditDataLoadCommand(const LoadCommandInfo &L) const;
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|   macho::SegmentLoadCommand
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|   getSegmentLoadCommand(const LoadCommandInfo &L) const;
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|   macho::Segment64LoadCommand
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|   getSegment64LoadCommand(const LoadCommandInfo &L) const;
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|   macho::LinkerOptionsLoadCommand
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|   getLinkerOptionsLoadCommand(const LoadCommandInfo &L) const;
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| 
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|   macho::RelocationEntry getRelocation(DataRefImpl Rel) const;
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|   macho::Header getHeader() const;
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|   macho::Header64Ext getHeader64Ext() const;
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|   macho::IndirectSymbolTableEntry
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|   getIndirectSymbolTableEntry(const macho::DysymtabLoadCommand &DLC,
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|                               unsigned Index) const;
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|   macho::DataInCodeTableEntry getDataInCodeTableEntry(uint32_t DataOffset,
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|                                                       unsigned Index) const;
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|   macho::SymtabLoadCommand getSymtabLoadCommand() const;
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|   macho::DysymtabLoadCommand getDysymtabLoadCommand() const;
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| 
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|   StringRef getStringTableData() const;
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|   bool is64Bit() const;
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|   void ReadULEB128s(uint64_t Index, SmallVectorImpl<uint64_t> &Out) const;
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| 
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|   static bool classof(const Binary *v) {
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|     return v->isMachO();
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|   }
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| 
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| private:
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|   typedef SmallVector<const char*, 1> SectionList;
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|   SectionList Sections;
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|   const char *SymtabLoadCmd;
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|   const char *DysymtabLoadCmd;
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| };
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| 
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| }
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| }
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| 
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| #endif
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| 
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