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, StringRef InputFilename, 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()

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

static

Definition at line 330 of file MachOObjcopy.cpp.

References 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::objcopy::macho::Section::Size, llvm::StringRef::size(), llvm::StringRef::split(), and llvm::Error::success().

Referenced by handleArgs().

buildRPathLoadCommand()

LoadCommand buildRPathLoadCommand ( StringRef Path )

static

Definition at line 167 of file MachOObjcopy.cpp.

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

Referenced by processLoadCommands().

dumpSectionToFile()

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

static

Definition at line 308 of file MachOObjcopy.cpp.

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

Referenced by handleArgs().

findSection()

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

static

Definition at line 360 of file MachOObjcopy.cpp.

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

Referenced by updateSection().

getPayloadString()

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()

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

static

Definition at line 440 of file MachOObjcopy.cpp.

References llvm::objcopy::CommonConfig::AddSection, addSection(), llvm::createFileError(), llvm::objcopy::CommonConfig::DumpSection, dumpSectionToFile(), E(), llvm::objcopy::CommonConfig::InputFilename, isValidMachOCannonicalName(), llvm::objcopy::macho::Object::LoadCommands, markSymbols(), processLoadCommands(), removeSections(), llvm::objcopy::NewSectionInfo::SectionName, llvm::objcopy::macho::LoadCommand::Sections, llvm::objcopy::CommonConfig::StripAll, llvm::Error::success(), updateAndRemoveSymbols(), llvm::objcopy::CommonConfig::UpdateSection, and updateSection().

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

isLoadCommandWithPayloadString()

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()

Error isValidMachOCannonicalName ( StringRef Name )

static

Definition at line 421 of file MachOObjcopy.cpp.

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

Referenced by handleArgs().

markSymbols()

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()

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

static

Definition at line 179 of file MachOObjcopy.cpp.

References buildRPathLoadCommand(), llvm::detail::DenseSetImpl< ValueT, MapTy, ValueInfoT >::contains(), llvm::detail::DenseSetImpl< ValueT, MapTy, ValueInfoT >::count(), llvm::createStringError(), E(), 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::invalid_argument, 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(), llvm::objcopy::macho::Object::updateLoadCommandIndexes(), and updateLoadCommandPayloadString().

Referenced by handleArgs().

removeSections()

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

static

Definition at line 55 of file MachOObjcopy.cpp.

References llvm::objcopy::NameMatcher::empty(), llvm::objcopy::NameMatcher::matches(), llvm::objcopy::CommonConfig::OnlySection, llvm::objcopy::macho::Object::removeSections(), llvm::objcopy::CommonConfig::StripAll, llvm::objcopy::CommonConfig::StripDebug, and llvm::objcopy::CommonConfig::ToRemove.

Referenced by handleArgs().

updateAndRemoveSymbols()

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

static

Definition at line 93 of file MachOObjcopy.cpp.

References llvm::objcopy::All, llvm::objcopy::CommonConfig::DiscardMode, llvm::objcopy::NameMatcher::empty(), llvm::objcopy::macho::MachHeader::Flags, llvm::objcopy::macho::Object::Header, I, llvm::objcopy::macho::SymbolEntry::isExternalSymbol(), llvm::objcopy::macho::SymbolEntry::isUndefinedSymbol(), llvm::objcopy::MachOConfig::KeepUndefined, llvm::objcopy::NameMatcher::matches(), llvm::MachO::MH_DYLDLINK, N, llvm::objcopy::macho::SymbolEntry::n_desc, llvm::MachO::N_EXT, llvm::MachO::N_STAB, llvm::objcopy::macho::SymbolEntry::n_type, llvm::MachO::N_WEAK_DEF, llvm::objcopy::macho::SymbolEntry::Name, llvm::MachO::REFERENCED_DYNAMICALLY, llvm::objcopy::macho::SymbolTable::removeSymbols(), llvm::objcopy::CommonConfig::StripAll, llvm::objcopy::CommonConfig::StripDebug, llvm::objcopy::MachOConfig::StripSwiftSymbols, llvm::objcopy::macho::Object::SwiftVersion, llvm::objcopy::CommonConfig::SymbolsToGlobalize, llvm::objcopy::CommonConfig::SymbolsToKeepGlobal, llvm::objcopy::CommonConfig::SymbolsToLocalize, llvm::objcopy::CommonConfig::SymbolsToRename, llvm::objcopy::CommonConfig::SymbolsToSkip, llvm::objcopy::CommonConfig::SymbolsToWeaken, llvm::objcopy::macho::Object::SymTable, llvm::objcopy::macho::SymbolTable::updateSymbols(), and llvm::objcopy::CommonConfig::Weaken.

Referenced by handleArgs().

updateLoadCommandPayloadString()

template<typename LCType>

void updateLoadCommandPayloadString ( LoadCommand & LC, StringRef S )

static

Definition at line 156 of file MachOObjcopy.cpp.

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

Referenced by processLoadCommands().

updateSection()

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

static

Definition at line 402 of file MachOObjcopy.cpp.

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

Referenced by handleArgs().