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e458651b94
Reviewers: jhenderson, rupprecht, MaskRay, grimar, labath Reviewed By: rupprecht Subscribers: gribozavr, mgrang, seiya, mgorny, sbc100, hiraditya, aheejin, jakehehrlich, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D65255 llvm-svn: 368119
69 lines
2.2 KiB
C++
69 lines
2.2 KiB
C++
//===-- yaml2obj.cpp ------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ObjectYAML/yaml2obj.h"
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#include "llvm/ADT/StringExtras.h"
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#include "llvm/Object/ObjectFile.h"
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#include "llvm/ObjectYAML/ObjectYAML.h"
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#include "llvm/Support/Errc.h"
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#include "llvm/Support/YAMLTraits.h"
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namespace llvm {
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namespace yaml {
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Error convertYAML(yaml::Input &YIn, raw_ostream &Out, unsigned DocNum) {
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// TODO: make yaml2* functions return Error instead of int.
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auto IntToErr = [](int Ret) -> Error {
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if (Ret)
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return createStringError(errc::invalid_argument, "yaml2obj failed");
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return Error::success();
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};
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unsigned CurDocNum = 0;
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do {
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if (++CurDocNum == DocNum) {
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yaml::YamlObjectFile Doc;
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YIn >> Doc;
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if (std::error_code EC = YIn.error())
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return createStringError(EC, "Failed to parse YAML input!");
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if (Doc.Elf)
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return IntToErr(yaml2elf(*Doc.Elf, Out));
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if (Doc.Coff)
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return IntToErr(yaml2coff(*Doc.Coff, Out));
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if (Doc.MachO || Doc.FatMachO)
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return IntToErr(yaml2macho(Doc, Out));
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if (Doc.Minidump)
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return IntToErr(yaml2minidump(*Doc.Minidump, Out));
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if (Doc.Wasm)
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return IntToErr(yaml2wasm(*Doc.Wasm, Out));
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return createStringError(errc::invalid_argument,
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"Unknown document type!");
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}
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} while (YIn.nextDocument());
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return createStringError(errc::invalid_argument,
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"Cannot find the %u%s document", DocNum,
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getOrdinalSuffix(DocNum).data());
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}
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Expected<std::unique_ptr<object::ObjectFile>>
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yaml2ObjectFile(SmallVectorImpl<char> &Storage, StringRef Yaml) {
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Storage.clear();
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raw_svector_ostream OS(Storage);
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yaml::Input YIn(Yaml);
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if (Error E = convertYAML(YIn, OS))
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return std::move(E);
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return object::ObjectFile::createObjectFile(
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MemoryBufferRef(OS.str(), "YamlObject"));
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}
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} // namespace yaml
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} // namespace llvm
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