-ErrorOr<SymbolicFile *> llvm::object::SymbolicFile::createIRObjectFile(
- std::unique_ptr<MemoryBuffer> Object, LLVMContext &Context) {
- std::error_code EC;
- std::unique_ptr<IRObjectFile> Ret(
- new IRObjectFile(std::move(Object), EC, Context));
- if (EC)
+ErrorOr<MemoryBufferRef> IRObjectFile::findBitcodeInObject(const ObjectFile &Obj) {
+ for (const SectionRef &Sec : Obj.sections()) {
+ StringRef SecName;
+ if (std::error_code EC = Sec.getName(SecName))
+ return EC;
+ if (SecName == ".llvmbc") {
+ StringRef SecContents;
+ if (std::error_code EC = Sec.getContents(SecContents))
+ return EC;
+ return MemoryBufferRef(SecContents, Obj.getFileName());
+ }
+ }
+
+ return object_error::bitcode_section_not_found;
+}
+
+ErrorOr<MemoryBufferRef> IRObjectFile::findBitcodeInMemBuffer(MemoryBufferRef Object) {
+ sys::fs::file_magic Type = sys::fs::identify_magic(Object.getBuffer());
+ switch (Type) {
+ case sys::fs::file_magic::bitcode:
+ return Object;
+ case sys::fs::file_magic::elf_relocatable:
+ case sys::fs::file_magic::macho_object:
+ case sys::fs::file_magic::coff_object: {
+ ErrorOr<std::unique_ptr<ObjectFile>> ObjFile =
+ ObjectFile::createObjectFile(Object, Type);
+ if (!ObjFile)
+ return ObjFile.getError();
+ return findBitcodeInObject(*ObjFile->get());
+ }
+ default:
+ return object_error::invalid_file_type;
+ }
+}
+
+ErrorOr<std::unique_ptr<IRObjectFile>>
+llvm::object::IRObjectFile::create(MemoryBufferRef Object,
+ LLVMContext &Context) {
+ ErrorOr<MemoryBufferRef> BCOrErr = findBitcodeInMemBuffer(Object);
+ if (!BCOrErr)
+ return BCOrErr.getError();
+
+ std::unique_ptr<MemoryBuffer> Buff(
+ MemoryBuffer::getMemBuffer(BCOrErr.get(), false));
+
+ ErrorOr<std::unique_ptr<Module>> MOrErr =
+ getLazyBitcodeModule(std::move(Buff), Context, nullptr,
+ /*ShouldLazyLoadMetadata*/ true);
+ if (std::error_code EC = MOrErr.getError())