587 lines
20 KiB
C++
587 lines
20 KiB
C++
//===-- llvm-libtool-darwin.cpp - a tool for creating libraries -----------===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// A utility for creating static and dynamic libraries for Darwin.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/BinaryFormat/Magic.h"
|
|
#include "llvm/IR/LLVMContext.h"
|
|
#include "llvm/Object/ArchiveWriter.h"
|
|
#include "llvm/Object/IRObjectFile.h"
|
|
#include "llvm/Object/MachO.h"
|
|
#include "llvm/Object/MachOUniversal.h"
|
|
#include "llvm/Object/MachOUniversalWriter.h"
|
|
#include "llvm/Object/ObjectFile.h"
|
|
#include "llvm/Support/CommandLine.h"
|
|
#include "llvm/Support/InitLLVM.h"
|
|
#include "llvm/Support/LineIterator.h"
|
|
#include "llvm/Support/WithColor.h"
|
|
#include "llvm/TextAPI/MachO/Architecture.h"
|
|
#include <map>
|
|
|
|
using namespace llvm;
|
|
using namespace llvm::object;
|
|
|
|
static LLVMContext LLVMCtx;
|
|
|
|
typedef std::map<uint64_t, std::vector<NewArchiveMember>>
|
|
MembersPerArchitectureMap;
|
|
|
|
cl::OptionCategory LibtoolCategory("llvm-libtool-darwin Options");
|
|
|
|
static cl::opt<std::string> OutputFile("o", cl::desc("Specify output filename"),
|
|
cl::value_desc("filename"),
|
|
cl::cat(LibtoolCategory));
|
|
|
|
static cl::list<std::string> InputFiles(cl::Positional,
|
|
cl::desc("<input files>"),
|
|
cl::ZeroOrMore,
|
|
cl::cat(LibtoolCategory));
|
|
|
|
static cl::opt<std::string> ArchType(
|
|
"arch_only", cl::desc("Specify architecture type for output library"),
|
|
cl::value_desc("arch_type"), cl::ZeroOrMore, cl::cat(LibtoolCategory));
|
|
|
|
enum class Operation { None, Static };
|
|
|
|
static cl::opt<Operation> LibraryOperation(
|
|
cl::desc("Library Type: "),
|
|
cl::values(
|
|
clEnumValN(Operation::Static, "static",
|
|
"Produce a statically linked library from the input files")),
|
|
cl::init(Operation::None), cl::cat(LibtoolCategory));
|
|
|
|
static cl::opt<bool> DeterministicOption(
|
|
"D", cl::desc("Use zero for timestamps and UIDs/GIDs (Default)"),
|
|
cl::init(false), cl::cat(LibtoolCategory));
|
|
|
|
static cl::opt<bool>
|
|
NonDeterministicOption("U", cl::desc("Use actual timestamps and UIDs/GIDs"),
|
|
cl::init(false), cl::cat(LibtoolCategory));
|
|
|
|
static cl::opt<std::string>
|
|
FileList("filelist",
|
|
cl::desc("Pass in file containing a list of filenames"),
|
|
cl::value_desc("listfile[,dirname]"), cl::cat(LibtoolCategory));
|
|
|
|
static cl::list<std::string> Libraries(
|
|
"l",
|
|
cl::desc(
|
|
"l<x> searches for the library libx.a in the library search path. If"
|
|
" the string 'x' ends with '.o', then the library 'x' is searched for"
|
|
" without prepending 'lib' or appending '.a'"),
|
|
cl::ZeroOrMore, cl::Prefix, cl::cat(LibtoolCategory));
|
|
|
|
static cl::list<std::string> LibrarySearchDirs(
|
|
"L",
|
|
cl::desc(
|
|
"L<dir> adds <dir> to the list of directories in which to search for"
|
|
" libraries"),
|
|
cl::ZeroOrMore, cl::Prefix, cl::cat(LibtoolCategory));
|
|
|
|
static cl::opt<bool>
|
|
VersionOption("V", cl::desc("Print the version number and exit"),
|
|
cl::cat(LibtoolCategory));
|
|
|
|
static const std::array<std::string, 3> StandardSearchDirs{
|
|
"/lib",
|
|
"/usr/lib",
|
|
"/usr/local/lib",
|
|
};
|
|
|
|
struct Config {
|
|
bool Deterministic = true; // Updated by 'D' and 'U' modifiers.
|
|
uint32_t ArchCPUType;
|
|
uint32_t ArchCPUSubtype;
|
|
};
|
|
|
|
static Expected<std::string> searchForFile(const Twine &FileName) {
|
|
|
|
auto FindLib =
|
|
[FileName](ArrayRef<std::string> SearchDirs) -> Optional<std::string> {
|
|
for (StringRef Dir : SearchDirs) {
|
|
SmallString<128> Path;
|
|
sys::path::append(Path, Dir, FileName);
|
|
|
|
if (sys::fs::exists(Path))
|
|
return std::string(Path);
|
|
}
|
|
return None;
|
|
};
|
|
|
|
Optional<std::string> Found = FindLib(LibrarySearchDirs);
|
|
if (!Found)
|
|
Found = FindLib(StandardSearchDirs);
|
|
if (Found)
|
|
return *Found;
|
|
|
|
return createStringError(std::errc::invalid_argument,
|
|
"cannot locate file '%s'", FileName.str().c_str());
|
|
}
|
|
|
|
static Error processCommandLineLibraries() {
|
|
for (StringRef BaseName : Libraries) {
|
|
Expected<std::string> FullPath = searchForFile(
|
|
BaseName.endswith(".o") ? BaseName.str() : "lib" + BaseName + ".a");
|
|
if (!FullPath)
|
|
return FullPath.takeError();
|
|
InputFiles.push_back(FullPath.get());
|
|
}
|
|
|
|
return Error::success();
|
|
}
|
|
|
|
static Error processFileList() {
|
|
StringRef FileName, DirName;
|
|
std::tie(FileName, DirName) = StringRef(FileList).rsplit(",");
|
|
|
|
ErrorOr<std::unique_ptr<MemoryBuffer>> FileOrErr =
|
|
MemoryBuffer::getFileOrSTDIN(FileName, /*FileSize=*/-1,
|
|
/*RequiresNullTerminator=*/false);
|
|
if (std::error_code EC = FileOrErr.getError())
|
|
return createFileError(FileName, errorCodeToError(EC));
|
|
const MemoryBuffer &Ref = *FileOrErr.get();
|
|
|
|
line_iterator I(Ref, /*SkipBlanks=*/false);
|
|
if (I.is_at_eof())
|
|
return createStringError(std::errc::invalid_argument,
|
|
"file list file: '%s' is empty",
|
|
FileName.str().c_str());
|
|
for (; !I.is_at_eof(); ++I) {
|
|
StringRef Line = *I;
|
|
if (Line.empty())
|
|
return createStringError(std::errc::invalid_argument,
|
|
"file list file: '%s': filename cannot be empty",
|
|
FileName.str().c_str());
|
|
|
|
SmallString<128> Path;
|
|
if (!DirName.empty())
|
|
sys::path::append(Path, DirName, Line);
|
|
else
|
|
sys::path::append(Path, Line);
|
|
InputFiles.push_back(static_cast<std::string>(Path));
|
|
}
|
|
return Error::success();
|
|
}
|
|
|
|
static Error validateArchitectureName(StringRef ArchitectureName) {
|
|
if (!MachOObjectFile::isValidArch(ArchitectureName)) {
|
|
std::string Buf;
|
|
raw_string_ostream OS(Buf);
|
|
for (StringRef Arch : MachOObjectFile::getValidArchs())
|
|
OS << Arch << " ";
|
|
|
|
return createStringError(
|
|
std::errc::invalid_argument,
|
|
"invalid architecture '%s': valid architecture names are %s",
|
|
ArchitectureName.str().c_str(), OS.str().c_str());
|
|
}
|
|
return Error::success();
|
|
}
|
|
|
|
static uint64_t getCPUID(uint32_t CPUType, uint32_t CPUSubtype) {
|
|
switch (CPUType) {
|
|
case MachO::CPU_TYPE_ARM:
|
|
case MachO::CPU_TYPE_ARM64:
|
|
case MachO::CPU_TYPE_ARM64_32:
|
|
case MachO::CPU_TYPE_X86_64:
|
|
// We consider CPUSubtype only for the above 4 CPUTypes to match cctools'
|
|
// libtool behavior.
|
|
return static_cast<uint64_t>(CPUType) << 32 | CPUSubtype;
|
|
default:
|
|
return CPUType;
|
|
}
|
|
}
|
|
|
|
// Check that a file's architecture [FileCPUType, FileCPUSubtype]
|
|
// matches the architecture specified under -arch_only flag.
|
|
static bool acceptFileArch(uint32_t FileCPUType, uint32_t FileCPUSubtype,
|
|
const Config &C) {
|
|
if (C.ArchCPUType != FileCPUType)
|
|
return false;
|
|
|
|
switch (C.ArchCPUType) {
|
|
case MachO::CPU_TYPE_ARM:
|
|
case MachO::CPU_TYPE_ARM64_32:
|
|
case MachO::CPU_TYPE_X86_64:
|
|
return C.ArchCPUSubtype == FileCPUSubtype;
|
|
|
|
case MachO::CPU_TYPE_ARM64:
|
|
if (C.ArchCPUSubtype == MachO::CPU_SUBTYPE_ARM64_ALL)
|
|
return FileCPUSubtype == MachO::CPU_SUBTYPE_ARM64_ALL ||
|
|
FileCPUSubtype == MachO::CPU_SUBTYPE_ARM64_V8;
|
|
else
|
|
return C.ArchCPUSubtype == FileCPUSubtype;
|
|
|
|
default:
|
|
return true;
|
|
}
|
|
}
|
|
|
|
static Error verifyAndAddMachOObject(MembersPerArchitectureMap &Members,
|
|
NewArchiveMember Member, const Config &C) {
|
|
auto MBRef = Member.Buf->getMemBufferRef();
|
|
Expected<std::unique_ptr<object::ObjectFile>> ObjOrErr =
|
|
object::ObjectFile::createObjectFile(MBRef);
|
|
|
|
// Throw error if not a valid object file.
|
|
if (!ObjOrErr)
|
|
return createFileError(Member.MemberName, ObjOrErr.takeError());
|
|
|
|
// Throw error if not in Mach-O format.
|
|
if (!isa<object::MachOObjectFile>(**ObjOrErr))
|
|
return createStringError(std::errc::invalid_argument,
|
|
"'%s': format not supported",
|
|
Member.MemberName.data());
|
|
|
|
auto *O = dyn_cast<MachOObjectFile>(ObjOrErr->get());
|
|
uint32_t FileCPUType, FileCPUSubtype;
|
|
std::tie(FileCPUType, FileCPUSubtype) = MachO::getCPUTypeFromArchitecture(
|
|
MachO::getArchitectureFromName(O->getArchTriple().getArchName()));
|
|
|
|
// If -arch_only is specified then skip this file if it doesn't match
|
|
// the architecture specified.
|
|
if (!ArchType.empty() && !acceptFileArch(FileCPUType, FileCPUSubtype, C)) {
|
|
return Error::success();
|
|
}
|
|
|
|
uint64_t FileCPUID = getCPUID(FileCPUType, FileCPUSubtype);
|
|
Members[FileCPUID].push_back(std::move(Member));
|
|
return Error::success();
|
|
}
|
|
|
|
static Error verifyAndAddIRObject(MembersPerArchitectureMap &Members,
|
|
NewArchiveMember Member, const Config &C) {
|
|
auto MBRef = Member.Buf->getMemBufferRef();
|
|
Expected<std::unique_ptr<object::IRObjectFile>> IROrErr =
|
|
object::IRObjectFile::create(MBRef, LLVMCtx);
|
|
|
|
// Throw error if not a valid IR object file.
|
|
if (!IROrErr)
|
|
return createFileError(Member.MemberName, IROrErr.takeError());
|
|
|
|
Triple TT = Triple(IROrErr->get()->getTargetTriple());
|
|
|
|
Expected<uint32_t> FileCPUTypeOrErr = MachO::getCPUType(TT);
|
|
if (!FileCPUTypeOrErr)
|
|
return FileCPUTypeOrErr.takeError();
|
|
|
|
Expected<uint32_t> FileCPUSubTypeOrErr = MachO::getCPUSubType(TT);
|
|
if (!FileCPUSubTypeOrErr)
|
|
return FileCPUSubTypeOrErr.takeError();
|
|
|
|
// If -arch_only is specified then skip this file if it doesn't match
|
|
// the architecture specified.
|
|
if (!ArchType.empty() &&
|
|
!acceptFileArch(*FileCPUTypeOrErr, *FileCPUSubTypeOrErr, C)) {
|
|
return Error::success();
|
|
}
|
|
|
|
uint64_t FileCPUID = getCPUID(*FileCPUTypeOrErr, *FileCPUSubTypeOrErr);
|
|
Members[FileCPUID].push_back(std::move(Member));
|
|
return Error::success();
|
|
}
|
|
|
|
static Error addChildMember(MembersPerArchitectureMap &Members,
|
|
const object::Archive::Child &M, const Config &C) {
|
|
Expected<NewArchiveMember> NMOrErr =
|
|
NewArchiveMember::getOldMember(M, C.Deterministic);
|
|
if (!NMOrErr)
|
|
return NMOrErr.takeError();
|
|
|
|
file_magic Magic = identify_magic(NMOrErr->Buf->getBuffer());
|
|
|
|
if (Magic == file_magic::bitcode)
|
|
return verifyAndAddIRObject(Members, std::move(*NMOrErr), C);
|
|
|
|
if (Error E = verifyAndAddMachOObject(Members, std::move(*NMOrErr), C))
|
|
return E;
|
|
|
|
return Error::success();
|
|
}
|
|
|
|
static Error processArchive(MembersPerArchitectureMap &Members,
|
|
object::Archive &Lib, StringRef FileName,
|
|
const Config &C) {
|
|
Error Err = Error::success();
|
|
for (const object::Archive::Child &Child : Lib.children(Err))
|
|
if (Error E = addChildMember(Members, Child, C))
|
|
return createFileError(FileName, std::move(E));
|
|
if (Err)
|
|
return createFileError(FileName, std::move(Err));
|
|
|
|
return Error::success();
|
|
}
|
|
|
|
static Error
|
|
addArchiveMembers(MembersPerArchitectureMap &Members,
|
|
std::vector<std::unique_ptr<MemoryBuffer>> &ArchiveBuffers,
|
|
NewArchiveMember NM, StringRef FileName, const Config &C) {
|
|
Expected<std::unique_ptr<Archive>> LibOrErr =
|
|
object::Archive::create(NM.Buf->getMemBufferRef());
|
|
if (!LibOrErr)
|
|
return createFileError(FileName, LibOrErr.takeError());
|
|
|
|
if (Error E = processArchive(Members, **LibOrErr, FileName, C))
|
|
return E;
|
|
|
|
// Update vector ArchiveBuffers with the MemoryBuffers to transfer
|
|
// ownership.
|
|
ArchiveBuffers.push_back(std::move(NM.Buf));
|
|
return Error::success();
|
|
}
|
|
|
|
static Error addUniversalMembers(
|
|
MembersPerArchitectureMap &Members,
|
|
std::vector<std::unique_ptr<MemoryBuffer>> &UniversalBuffers,
|
|
NewArchiveMember NM, StringRef FileName, const Config &C) {
|
|
Expected<std::unique_ptr<MachOUniversalBinary>> BinaryOrErr =
|
|
MachOUniversalBinary::create(NM.Buf->getMemBufferRef());
|
|
if (!BinaryOrErr)
|
|
return createFileError(FileName, BinaryOrErr.takeError());
|
|
|
|
auto *UO = BinaryOrErr->get();
|
|
for (const MachOUniversalBinary::ObjectForArch &O : UO->objects()) {
|
|
|
|
Expected<std::unique_ptr<MachOObjectFile>> MachOObjOrErr =
|
|
O.getAsObjectFile();
|
|
if (MachOObjOrErr) {
|
|
NewArchiveMember NewMember =
|
|
NewArchiveMember(MachOObjOrErr->get()->getMemoryBufferRef());
|
|
NewMember.MemberName = sys::path::filename(NewMember.MemberName);
|
|
|
|
if (Error E = verifyAndAddMachOObject(Members, std::move(NewMember), C))
|
|
return E;
|
|
continue;
|
|
}
|
|
|
|
Expected<std::unique_ptr<IRObjectFile>> IRObjectOrError =
|
|
O.getAsIRObject(LLVMCtx);
|
|
if (IRObjectOrError) {
|
|
// A universal file member can be a MachOObjectFile, an IRObject or an
|
|
// Archive. In case we can successfully cast the member as an IRObject, it
|
|
// is safe to throw away the error generated due to casting the object as
|
|
// a MachOObjectFile.
|
|
consumeError(MachOObjOrErr.takeError());
|
|
|
|
NewArchiveMember NewMember =
|
|
NewArchiveMember(IRObjectOrError->get()->getMemoryBufferRef());
|
|
NewMember.MemberName = sys::path::filename(NewMember.MemberName);
|
|
|
|
if (Error E = verifyAndAddIRObject(Members, std::move(NewMember), C))
|
|
return E;
|
|
continue;
|
|
}
|
|
|
|
Expected<std::unique_ptr<Archive>> ArchiveOrError = O.getAsArchive();
|
|
if (ArchiveOrError) {
|
|
// A universal file member can be a MachOObjectFile, an IRObject or an
|
|
// Archive. In case we can successfully cast the member as an Archive, it
|
|
// is safe to throw away the error generated due to casting the object as
|
|
// a MachOObjectFile.
|
|
consumeError(MachOObjOrErr.takeError());
|
|
consumeError(IRObjectOrError.takeError());
|
|
|
|
if (Error E = processArchive(Members, **ArchiveOrError, FileName, C))
|
|
return E;
|
|
continue;
|
|
}
|
|
|
|
Error CombinedError = joinErrors(
|
|
ArchiveOrError.takeError(),
|
|
joinErrors(IRObjectOrError.takeError(), MachOObjOrErr.takeError()));
|
|
return createFileError(FileName, std::move(CombinedError));
|
|
}
|
|
|
|
// Update vector UniversalBuffers with the MemoryBuffers to transfer
|
|
// ownership.
|
|
UniversalBuffers.push_back(std::move(NM.Buf));
|
|
return Error::success();
|
|
}
|
|
|
|
static Error addMember(MembersPerArchitectureMap &Members,
|
|
std::vector<std::unique_ptr<MemoryBuffer>> &FileBuffers,
|
|
StringRef FileName, const Config &C) {
|
|
Expected<NewArchiveMember> NMOrErr =
|
|
NewArchiveMember::getFile(FileName, C.Deterministic);
|
|
if (!NMOrErr)
|
|
return createFileError(FileName, NMOrErr.takeError());
|
|
|
|
// For regular archives, use the basename of the object path for the member
|
|
// name.
|
|
NMOrErr->MemberName = sys::path::filename(NMOrErr->MemberName);
|
|
file_magic Magic = identify_magic(NMOrErr->Buf->getBuffer());
|
|
|
|
// Flatten archives.
|
|
if (Magic == file_magic::archive)
|
|
return addArchiveMembers(Members, FileBuffers, std::move(*NMOrErr),
|
|
FileName, C);
|
|
|
|
// Flatten universal files.
|
|
if (Magic == file_magic::macho_universal_binary)
|
|
return addUniversalMembers(Members, FileBuffers, std::move(*NMOrErr),
|
|
FileName, C);
|
|
|
|
// Bitcode files.
|
|
if (Magic == file_magic::bitcode)
|
|
return verifyAndAddIRObject(Members, std::move(*NMOrErr), C);
|
|
|
|
if (Error E = verifyAndAddMachOObject(Members, std::move(*NMOrErr), C))
|
|
return E;
|
|
return Error::success();
|
|
}
|
|
|
|
static Expected<SmallVector<Slice, 2>>
|
|
buildSlices(ArrayRef<OwningBinary<Archive>> OutputBinaries) {
|
|
SmallVector<Slice, 2> Slices;
|
|
|
|
for (const auto &OB : OutputBinaries) {
|
|
const Archive &A = *OB.getBinary();
|
|
Expected<Slice> ArchiveSlice = Slice::create(A, &LLVMCtx);
|
|
if (!ArchiveSlice)
|
|
return ArchiveSlice.takeError();
|
|
Slices.push_back(*ArchiveSlice);
|
|
}
|
|
return Slices;
|
|
}
|
|
|
|
static Error createStaticLibrary(const Config &C) {
|
|
MembersPerArchitectureMap NewMembers;
|
|
std::vector<std::unique_ptr<MemoryBuffer>> FileBuffers;
|
|
for (StringRef FileName : InputFiles)
|
|
if (Error E = addMember(NewMembers, FileBuffers, FileName, C))
|
|
return E;
|
|
|
|
if (!ArchType.empty()) {
|
|
uint64_t ArchCPUID = getCPUID(C.ArchCPUType, C.ArchCPUSubtype);
|
|
if (NewMembers.find(ArchCPUID) == NewMembers.end())
|
|
return createStringError(std::errc::invalid_argument,
|
|
"no library created (no object files in input "
|
|
"files matching -arch_only %s)",
|
|
ArchType.c_str());
|
|
}
|
|
|
|
if (NewMembers.size() == 1) {
|
|
if (Error E =
|
|
writeArchive(OutputFile, NewMembers.begin()->second,
|
|
/*WriteSymtab=*/true,
|
|
/*Kind=*/object::Archive::K_DARWIN, C.Deterministic,
|
|
/*Thin=*/false))
|
|
return E;
|
|
} else {
|
|
SmallVector<OwningBinary<Archive>, 2> OutputBinaries;
|
|
for (const std::pair<const uint64_t, std::vector<NewArchiveMember>> &M :
|
|
NewMembers) {
|
|
Expected<std::unique_ptr<MemoryBuffer>> OutputBufferOrErr =
|
|
writeArchiveToBuffer(M.second,
|
|
/*WriteSymtab=*/true,
|
|
/*Kind=*/object::Archive::K_DARWIN,
|
|
C.Deterministic,
|
|
/*Thin=*/false);
|
|
if (!OutputBufferOrErr)
|
|
return OutputBufferOrErr.takeError();
|
|
std::unique_ptr<MemoryBuffer> &OutputBuffer = OutputBufferOrErr.get();
|
|
|
|
Expected<std::unique_ptr<Archive>> ArchiveOrError =
|
|
Archive::create(OutputBuffer->getMemBufferRef());
|
|
if (!ArchiveOrError)
|
|
return ArchiveOrError.takeError();
|
|
std::unique_ptr<Archive> &A = ArchiveOrError.get();
|
|
|
|
OutputBinaries.push_back(
|
|
OwningBinary<Archive>(std::move(A), std::move(OutputBuffer)));
|
|
}
|
|
|
|
Expected<SmallVector<Slice, 2>> Slices = buildSlices(OutputBinaries);
|
|
if (!Slices)
|
|
return Slices.takeError();
|
|
|
|
llvm::stable_sort(*Slices);
|
|
if (Error E = writeUniversalBinary(*Slices, OutputFile))
|
|
return E;
|
|
}
|
|
return Error::success();
|
|
}
|
|
|
|
static Expected<Config> parseCommandLine(int Argc, char **Argv) {
|
|
Config C;
|
|
cl::ParseCommandLineOptions(Argc, Argv, "llvm-libtool-darwin\n");
|
|
|
|
if (LibraryOperation == Operation::None) {
|
|
if (!VersionOption) {
|
|
std::string Error;
|
|
raw_string_ostream Stream(Error);
|
|
LibraryOperation.error("must be specified", "", Stream);
|
|
return createStringError(std::errc::invalid_argument, Error.c_str());
|
|
}
|
|
return C;
|
|
}
|
|
|
|
if (OutputFile.empty()) {
|
|
std::string Error;
|
|
raw_string_ostream Stream(Error);
|
|
OutputFile.error("must be specified", "o", Stream);
|
|
return createStringError(std::errc::invalid_argument, Error.c_str());
|
|
}
|
|
|
|
if (DeterministicOption && NonDeterministicOption)
|
|
return createStringError(std::errc::invalid_argument,
|
|
"cannot specify both -D and -U flags");
|
|
else if (NonDeterministicOption)
|
|
C.Deterministic = false;
|
|
|
|
if (!Libraries.empty())
|
|
if (Error E = processCommandLineLibraries())
|
|
return std::move(E);
|
|
|
|
if (!FileList.empty())
|
|
if (Error E = processFileList())
|
|
return std::move(E);
|
|
|
|
if (InputFiles.empty())
|
|
return createStringError(std::errc::invalid_argument,
|
|
"no input files specified");
|
|
|
|
if (ArchType.getNumOccurrences()) {
|
|
if (Error E = validateArchitectureName(ArchType))
|
|
return std::move(E);
|
|
|
|
std::tie(C.ArchCPUType, C.ArchCPUSubtype) =
|
|
MachO::getCPUTypeFromArchitecture(
|
|
MachO::getArchitectureFromName(ArchType));
|
|
}
|
|
|
|
return C;
|
|
}
|
|
|
|
int main(int Argc, char **Argv) {
|
|
InitLLVM X(Argc, Argv);
|
|
cl::HideUnrelatedOptions({&LibtoolCategory, &ColorCategory});
|
|
Expected<Config> ConfigOrErr = parseCommandLine(Argc, Argv);
|
|
if (!ConfigOrErr) {
|
|
WithColor::defaultErrorHandler(ConfigOrErr.takeError());
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
if (VersionOption)
|
|
cl::PrintVersionMessage();
|
|
|
|
Config C = *ConfigOrErr;
|
|
switch (LibraryOperation) {
|
|
case Operation::None:
|
|
break;
|
|
case Operation::Static:
|
|
if (Error E = createStaticLibrary(C)) {
|
|
WithColor::defaultErrorHandler(std::move(E));
|
|
return EXIT_FAILURE;
|
|
}
|
|
break;
|
|
}
|
|
}
|