lib/Object/TapiUniversal.cpp

   1 //===- TapiUniversal.cpp --------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file defines the Text-based Dynamic Library Stub format.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #include "llvm/Object/TapiUniversal.h"
  14 #include "llvm/ADT/StringRef.h"
  15 #include "llvm/Object/Error.h"
  16 #include "llvm/Support/MemoryBuffer.h"
  17 #include "llvm/TextAPI/MachO/TextAPIReader.h"
  18
  19 using namespace llvm;
  20 using namespace MachO;
  21 using namespace object;
  22
  23 TapiUniversal::TapiUniversal(MemoryBufferRef Source, Error &Err)
  24     : Binary(ID_TapiUniversal, Source) {
  25   auto Result = TextAPIReader::get(Source);
  26   ErrorAsOutParameter ErrAsOuParam(&Err);
  27   if (!Result) {
  28     Err = Result.takeError();
  29     return;
  30   }
  31   ParsedFile = std::move(Result.get());
  32
  33   auto Archs = ParsedFile->getArchitectures();
  34   for (auto Arch : Archs)
  35     Architectures.emplace_back(Arch);
  36 }
  37
  38 TapiUniversal::~TapiUniversal() = default;
  39
  40 Expected<std::unique_ptr<TapiFile>>
  41 TapiUniversal::ObjectForArch::getAsObjectFile() const {
  42   return std::unique_ptr<TapiFile>(new TapiFile(Parent->getMemoryBufferRef(),
  43                                                 *Parent->ParsedFile.get(),
  44                                                 Parent->Architectures[Index]));
  45 }
  46
  47 Expected<std::unique_ptr<TapiUniversal>>
  48 TapiUniversal::create(MemoryBufferRef Source) {
  49   Error Err = Error::success();
  50   std::unique_ptr<TapiUniversal> Ret(new TapiUniversal(Source, Err));
  51   if (Err)
  52     return std::move(Err);
  53   return std::move(Ret);
  54 }