llvm-project/lld/MachO/DriverUtils.cpp

47 lines
1.5 KiB
C++

//===- DriverUtils.cpp ----------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "DriverUtils.h"
#include "InputFiles.h"
#include "lld/Common/ErrorHandler.h"
#include "lld/Common/Memory.h"
#include "llvm/Support/Path.h"
#include "llvm/TextAPI/MachO/TextAPIReader.h"
using namespace llvm;
using namespace llvm::MachO;
using namespace llvm::sys;
using namespace lld;
using namespace lld::macho;
Optional<std::string> macho::resolveDylibPath(StringRef path) {
// TODO: if a tbd and dylib are both present, we should check to make sure
// they are consistent.
if (fs::exists(path))
return std::string(path);
SmallString<261> location = path;
path::replace_extension(location, ".tbd");
if (fs::exists(location))
return std::string(location);
return {};
}
Optional<DylibFile *> macho::makeDylibFromTAPI(MemoryBufferRef mbref,
DylibFile *umbrella) {
Expected<std::unique_ptr<InterfaceFile>> result = TextAPIReader::get(mbref);
if (!result) {
error("could not load TAPI file at " + mbref.getBufferIdentifier() + ": " +
toString(result.takeError()));
return {};
}
return make<DylibFile>(**result, umbrella);
}