MachOObjcopy.cpp File Reference

#include "llvm/ObjCopy/MachO/MachOObjcopy.h"
#include "Archive.h"
#include "MachOReader.h"
#include "MachOWriter.h"
#include "llvm/ADT/DenseSet.h"
#include "llvm/ObjCopy/CommonConfig.h"
#include "llvm/ObjCopy/MachO/MachOConfig.h"
#include "llvm/ObjCopy/MultiFormatConfig.h"
#include "llvm/ObjCopy/ObjCopy.h"
#include "llvm/Object/ArchiveWriter.h"
#include "llvm/Object/MachOUniversal.h"
#include "llvm/Object/MachOUniversalWriter.h"
#include "llvm/Support/Errc.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/FileOutputBuffer.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/SmallVectorMemoryBuffer.h"

Go to the source code of this file.

Typedefs
using	SectionPred = std::function< bool(const std::unique_ptr< Section > &Sec)>
using	LoadCommandPred = std::function< bool(const LoadCommand &LC)>

Functions
static bool	isLoadCommandWithPayloadString (const LoadCommand &LC)
static StringRef	getPayloadString (const LoadCommand &LC)
static Error	removeSections (const CommonConfig &Config, Object &Obj)
static void	markSymbols (const CommonConfig &, Object &Obj)
static void	updateAndRemoveSymbols (const CommonConfig &Config, const MachOConfig &MachOConfig, Object &Obj)
template<typename LCType >
static void	updateLoadCommandPayloadString (LoadCommand &LC, StringRef S)
static LoadCommand	buildRPathLoadCommand (StringRef Path)
static Error	processLoadCommands (const MachOConfig &MachOConfig, Object &Obj)
static Error	dumpSectionToFile (StringRef SecName, StringRef Filename, Object &Obj)
static Error	addSection (const NewSectionInfo &NewSection, Object &Obj)
static Expected< Section & >	findSection (StringRef SecName, Object &O)
static Error	updateSection (const NewSectionInfo &NewSection, Object &O)
static Error	isValidMachOCannonicalName (StringRef Name)
static Error	handleArgs (const CommonConfig &Config, const MachOConfig &MachOConfig, Object &Obj)

Typedef Documentation

LoadCommandPred

using LoadCommandPred = std::function<bool(const LoadCommand &LC)>

Definition at line 33 of file MachOObjcopy.cpp.

SectionPred

using SectionPred = std::function<bool(const std::unique_ptr<Section> &Sec)>

Definition at line 32 of file MachOObjcopy.cpp.

Function Documentation

addSection()

static Error addSection ( const NewSectionInfo &  NewSection, Object &  Obj  )

static

Definition at line 311 of file MachOObjcopy.cpp.

References Addr, llvm::objcopy::macho::Object::addSegment(), llvm::alignTo(), llvm::objcopy::macho::Section::Content, llvm::objcopy::macho::LoadCommand::getSegmentName(), llvm::objcopy::macho::LoadCommand::getSegmentVMAddr(), llvm::objcopy::macho::Object::LoadCommands, llvm::objcopy::macho::Object::NewSectionsContents, llvm::StringSaver::save(), llvm::objcopy::NewSectionInfo::SectionData, llvm::objcopy::NewSectionInfo::SectionName, llvm::objcopy::macho::LoadCommand::Sections, llvm::StringRef::size(), llvm::objcopy::macho::Section::Size, llvm::StringRef::split(), and llvm::Error::success().

Referenced by handleArgs().

buildRPathLoadCommand()

static LoadCommand buildRPathLoadCommand ( StringRef  Path )

static

Definition at line 148 of file MachOObjcopy.cpp.

References llvm::alignTo(), llvm::MachO::rpath_command::cmd, llvm::MachO::rpath_command::cmdsize, llvm::objcopy::macho::LoadCommand::MachOLoadCommand, llvm::MachO::rpath_command::path, and llvm::objcopy::macho::LoadCommand::Payload.

Referenced by processLoadCommands().

dumpSectionToFile()

static Error dumpSectionToFile ( StringRef  SecName, StringRef  Filename, Object &  Obj  )

static

Definition at line 289 of file MachOObjcopy.cpp.

References llvm::copy(), llvm::FileOutputBuffer::create(), llvm::createStringError(), llvm::objcopy::macho::Object::LoadCommands, llvm::objcopy::macho::LoadCommand::Sections, llvm::StringRef::str(), llvm::Error::success(), and llvm::Expected< T >::takeError().

Referenced by handleArgs().

findSection()

static Expected< Section & > findSection ( StringRef  SecName, Object &  O  )

static

Definition at line 341 of file MachOObjcopy.cpp.

References assert(), llvm::createStringError(), llvm::find_if(), llvm::StringRef::split(), and llvm::StringRef::str().

Referenced by updateSection().

getPayloadString()

static StringRef getPayloadString ( const LoadCommand &  LC )

static

Definition at line 46 of file MachOObjcopy.cpp.

References assert(), isLoadCommandWithPayloadString(), llvm::objcopy::macho::LoadCommand::Payload, and llvm::StringRef::rtrim().

Referenced by processLoadCommands().

handleArgs()

static Error handleArgs ( const CommonConfig &  Config, const MachOConfig &  MachOConfig, Object &  Obj  )

static

Definition at line 403 of file MachOObjcopy.cpp.

References addSection(), Config, dumpSectionToFile(), isValidMachOCannonicalName(), llvm::objcopy::macho::Object::LoadCommands, markSymbols(), processLoadCommands(), removeSections(), llvm::objcopy::NewSectionInfo::SectionName, llvm::objcopy::macho::LoadCommand::Sections, llvm::Error::success(), updateAndRemoveSymbols(), and updateSection().

Referenced by llvm::objcopy::macho::executeObjcopyOnBinary().

isLoadCommandWithPayloadString()

static bool isLoadCommandWithPayloadString ( const LoadCommand &  LC )

static

Definition at line 36 of file MachOObjcopy.cpp.

References llvm::objcopy::macho::LoadCommand::MachOLoadCommand.

Referenced by getPayloadString(), and updateLoadCommandPayloadString().

isValidMachOCannonicalName()

static Error isValidMachOCannonicalName ( StringRef  Name )

static

Definition at line 384 of file MachOObjcopy.cpp.

References llvm::createStringError(), Name, and llvm::Error::success().

Referenced by handleArgs().

markSymbols()

static void markSymbols ( const CommonConfig &  , Object &  Obj  )

static

Definition at line 86 of file MachOObjcopy.cpp.

References llvm::objcopy::macho::Object::IndirectSymTable, llvm::objcopy::macho::IndirectSymbolEntry::Symbol, and llvm::objcopy::macho::IndirectSymbolTable::Symbols.

Referenced by handleArgs().

processLoadCommands()

static Error processLoadCommands ( const MachOConfig &  MachOConfig, Object &  Obj  )

static

Definition at line 160 of file MachOObjcopy.cpp.

References buildRPathLoadCommand(), llvm::detail::DenseSetImpl< ValueT, MapTy, ValueInfoT >::contains(), llvm::detail::DenseSetImpl< ValueT, MapTy, ValueInfoT >::count(), llvm::createStringError(), llvm::StringRef::empty(), llvm::objcopy::MachOConfig::EmptySegmentsToRemove, llvm::detail::DenseSetImpl< ValueT, MapTy, ValueInfoT >::erase(), getPayloadString(), llvm::objcopy::macho::LoadCommand::getSegmentName(), llvm::detail::DenseSetImpl< ValueT, MapTy, ValueInfoT >::insert(), llvm::objcopy::MachOConfig::InstallNamesToUpdate, llvm::objcopy::macho::Object::LoadCommands, llvm::objcopy::macho::LoadCommand::MachOLoadCommand, llvm::objcopy::MachOConfig::RemoveAllRpaths, llvm::objcopy::macho::Object::removeLoadCommands(), llvm::objcopy::MachOConfig::RPathsToRemove, llvm::objcopy::MachOConfig::RPathsToUpdate, llvm::objcopy::MachOConfig::RPathToAdd, llvm::objcopy::MachOConfig::RPathToPrepend, llvm::objcopy::macho::LoadCommand::Sections, llvm::objcopy::MachOConfig::SharedLibId, llvm::StringRef::str(), llvm::Error::success(), and llvm::objcopy::macho::Object::updateLoadCommandIndexes().

Referenced by handleArgs().

removeSections()

static Error removeSections ( const CommonConfig &  Config, Object &  Obj  )

static

Definition at line 55 of file MachOObjcopy.cpp.

References Config, and llvm::objcopy::macho::Object::removeSections().

Referenced by handleArgs().

updateAndRemoveSymbols()

static void updateAndRemoveSymbols ( const CommonConfig &  Config, const MachOConfig &  MachOConfig, Object &  Obj  )

static

Definition at line 93 of file MachOObjcopy.cpp.

References Config, llvm::objcopy::macho::MachHeader::Flags, llvm::objcopy::macho::Object::Header, I, llvm::objcopy::MachOConfig::KeepUndefined, llvm::MachO::MH_DYLDLINK, N, llvm::MachO::N_EXT, llvm::MachO::N_STAB, llvm::MachO::N_TYPE, llvm::MachO::N_UNDF, llvm::MachO::N_WEAK_DEF, llvm::MachO::REFERENCED_DYNAMICALLY, llvm::objcopy::macho::SymbolTable::removeSymbols(), llvm::objcopy::MachOConfig::StripSwiftSymbols, llvm::objcopy::macho::Object::SwiftVersion, Sym, and llvm::objcopy::macho::Object::SymTable.

Referenced by handleArgs().

updateLoadCommandPayloadString()

template<typename LCType >

static void updateLoadCommandPayloadString ( LoadCommand &  LC, StringRef  S  )

static

Definition at line 137 of file MachOObjcopy.cpp.

References llvm::alignTo(), assert(), llvm::StringRef::begin(), llvm::StringRef::end(), isLoadCommandWithPayloadString(), llvm::objcopy::macho::LoadCommand::MachOLoadCommand, llvm::objcopy::macho::LoadCommand::Payload, and llvm::StringRef::size().

updateSection()

static Error updateSection ( const NewSectionInfo &  NewSection, Object &  O  )

static

Definition at line 365 of file MachOObjcopy.cpp.

References llvm::objcopy::macho::Section::Content, llvm::createStringError(), findSection(), llvm::objcopy::NewSectionInfo::SectionData, llvm::objcopy::NewSectionInfo::SectionName, llvm::StringRef::size(), llvm::objcopy::macho::Section::Size, llvm::Error::success(), and llvm::Expected< T >::takeError().

Referenced by handleArgs().