MachOReader.cpp File Reference

#include "MachOReader.h"
#include "MachOObject.h"
#include "llvm/BinaryFormat/MachO.h"
#include "llvm/Object/MachO.h"
#include "llvm/Support/SystemZ/zOSSupport.h"
#include <memory>
#include "llvm/BinaryFormat/MachO.def"

Go to the source code of this file.

Macros
#define	HANDLE_LOAD_COMMAND(LCName, LCValue, LCStruct)

Functions
template<typename SectionType >
static Section	constructSectionCommon (const SectionType &Sec, uint32_t Index)
Section	constructSection (const MachO::section &Sec, uint32_t Index)
Section	constructSection (const MachO::section_64 &Sec, uint32_t Index)
template<typename SectionType , typename SegmentType >
static Expected< std::vector< std::unique_ptr< Section > > >	extractSections (const object::MachOObjectFile::LoadCommandInfo &LoadCmd, const object::MachOObjectFile &MachOObj, uint32_t &NextSectionIndex)
template<typename nlist_t >
SymbolEntry	constructSymbolEntry (StringRef StrTable, const nlist_t &nlist)

Macro Definition Documentation

HANDLE_LOAD_COMMAND

#define HANDLE_LOAD_COMMAND	(		LCName,
			LCValue,
			LCStruct
	)

Value:

  case MachO::LCName:                                                          \
    memcpy((void *)&(LC.MachOLoadCommand.LCStruct##_data), LoadCmd.Ptr,        \
           sizeof(MachO::LCStruct));                                           \
    if (MachOObj.isLittleEndian() != sys::IsLittleEndianHost)                  \
      MachO::swapStruct(LC.MachOLoadCommand.LCStruct##_data);                  \
    if (LoadCmd.C.cmdsize > sizeof(MachO::LCStruct))                           \
      LC.Payload = ArrayRef<uint8_t>(                                          \
          reinterpret_cast<uint8_t *>(const_cast<char *>(LoadCmd.Ptr)) +       \
              sizeof(MachO::LCStruct),                                         \
          LoadCmd.C.cmdsize - sizeof(MachO::LCStruct));                        \
    break;

Function Documentation

constructSection() [1/2]

Section constructSection	(	const MachO::section &	Sec,
		uint32_t	Index
	)

Definition at line 49 of file MachOReader.cpp.

References constructSectionCommon().

Referenced by extractSections().

constructSection() [2/2]

Section constructSection	(	const MachO::section_64 &	Sec,
		uint32_t	Index
	)

Definition at line 53 of file MachOReader.cpp.

References constructSectionCommon(), llvm::MachO::section_64::reserved3, and llvm::objcopy::macho::Section::Reserved3.

constructSectionCommon()

template<typename SectionType >

static Section constructSectionCommon ( const SectionType &  Sec, uint32_t  Index  )

static

Definition at line 31 of file MachOReader.cpp.

References llvm::objcopy::macho::Section::Addr, llvm::objcopy::macho::Section::Align, llvm::objcopy::macho::Section::Flags, llvm::objcopy::macho::Section::Index, llvm::objcopy::macho::Section::NReloc, llvm::objcopy::macho::Section::OriginalOffset, llvm::objcopy::macho::Section::RelOff, llvm::objcopy::macho::Section::Reserved1, llvm::objcopy::macho::Section::Reserved2, llvm::objcopy::macho::Section::Reserved3, and llvm::objcopy::macho::Section::Size.

Referenced by constructSection().

constructSymbolEntry()

template<typename nlist_t >

SymbolEntry constructSymbolEntry	(	StringRef	StrTable,
		const nlist_t &	nlist
	)

Definition at line 221 of file MachOReader.cpp.

References assert(), llvm::StringRef::data(), llvm::objcopy::macho::SymbolEntry::n_desc, llvm::objcopy::macho::SymbolEntry::n_sect, llvm::objcopy::macho::SymbolEntry::n_type, llvm::objcopy::macho::SymbolEntry::n_value, llvm::objcopy::macho::SymbolEntry::Name, llvm::StringRef::size(), and llvm::StringRef::str().

extractSections()

template<typename SectionType , typename SegmentType >

static Expected< std::vector< std::unique_ptr< Section > > > extractSections ( const object::MachOObjectFile::LoadCommandInfo &  LoadCmd, const object::MachOObjectFile &  MachOObj, uint32_t &  NextSectionIndex  )

static

Definition at line 60 of file MachOReader.cpp.

References llvm::MachO::ARM64_RELOC_ADDEND, assert(), llvm::object::MachOObjectFile::LoadCommandInfo::C, llvm::MachO::load_command::cmdsize, constructSection(), llvm::objcopy::macho::Section::Content, llvm::MachO::CPU_TYPE_ARM64, llvm::MachO::mach_header::cputype, llvm::Data, End, llvm::object::MachOObjectFile::getAnyRelocationType(), llvm::object::MachOObjectFile::getHeader(), llvm::object::MachOObjectFile::getPlainRelocationExternal(), llvm::object::MachOObjectFile::getRelocation(), llvm::object::MachOObjectFile::getSection(), llvm::object::MachOObjectFile::getSectionContents(), llvm::object::Binary::isLittleEndian(), llvm::sys::IsLittleEndianHost, llvm::object::MachOObjectFile::isRelocationScattered(), llvm::objcopy::macho::Section::NReloc, llvm::object::MachOObjectFile::LoadCommandInfo::Ptr, llvm::objcopy::macho::Section::Relocations, llvm::object::MachOObjectFile::section_rel_begin(), llvm::object::MachOObjectFile::section_rel_end(), llvm::MachO::swapStruct(), and llvm::Expected< T >::takeError().