1 //===-- yaml2obj.cpp ------------------------------------------------------===//
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
7 //===----------------------------------------------------------------------===//
9 #include "llvm/ObjectYAML/yaml2obj.h"
10 #include "llvm/ADT/StringExtras.h"
11 #include "llvm/ADT/Twine.h"
12 #include "llvm/Object/ObjectFile.h"
13 #include "llvm/ObjectYAML/ObjectYAML.h"
14 #include "llvm/Support/Errc.h"
15 #include "llvm/Support/WithColor.h"
16 #include "llvm/Support/YAMLTraits.h"
21 bool convertYAML(yaml::Input &YIn, raw_ostream &Out, ErrorHandler ErrHandler,
22 unsigned DocNum, uint64_t MaxSize) {
23 unsigned CurDocNum = 0;
25 if (++CurDocNum != DocNum)
28 yaml::YamlObjectFile Doc;
30 if (std::error_code EC = YIn.error()) {
31 ErrHandler("failed to parse YAML input: " + EC.message());
36 return yaml2elf(*Doc.Elf, Out, ErrHandler, MaxSize);
38 return yaml2coff(*Doc.Coff, Out, ErrHandler);
39 if (Doc.MachO || Doc.FatMachO)
40 return yaml2macho(Doc, Out, ErrHandler);
42 return yaml2minidump(*Doc.Minidump, Out, ErrHandler);
44 return yaml2wasm(*Doc.Wasm, Out, ErrHandler);
46 ErrHandler("unknown document type");
49 } while (YIn.nextDocument());
51 ErrHandler("cannot find the " + Twine(DocNum) +
52 getOrdinalSuffix(DocNum).data() + " document");
56 std::unique_ptr<object::ObjectFile>
57 yaml2ObjectFile(SmallVectorImpl<char> &Storage, StringRef Yaml,
58 ErrorHandler ErrHandler) {
60 raw_svector_ostream OS(Storage);
62 yaml::Input YIn(Yaml);
63 if (!convertYAML(YIn, OS, ErrHandler))
66 Expected<std::unique_ptr<object::ObjectFile>> ObjOrErr =
67 object::ObjectFile::createObjectFile(
68 MemoryBufferRef(OS.str(), "YamlObject"));
70 return std::move(*ObjOrErr);
72 ErrHandler(toString(ObjOrErr.takeError()));