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4a3c52750c
Summary: The patch implements the mapping of the Yaml information to XCOFF object file to enable the yaml2obj tool for XCOFF. Currently only 32-bit is supported. Reviewed By: jhenderson, shchenz Differential Revision: https://reviews.llvm.org/D95505
82 lines
2.4 KiB
C++
82 lines
2.4 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/ADT/Twine.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/WithColor.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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bool convertYAML(yaml::Input &YIn, raw_ostream &Out, ErrorHandler ErrHandler,
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unsigned DocNum, uint64_t MaxSize) {
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unsigned CurDocNum = 0;
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do {
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if (++CurDocNum != DocNum)
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continue;
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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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ErrHandler("failed to parse YAML input: " + EC.message());
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return false;
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}
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if (Doc.Arch)
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return yaml2archive(*Doc.Arch, Out, ErrHandler);
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if (Doc.Elf)
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return yaml2elf(*Doc.Elf, Out, ErrHandler, MaxSize);
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if (Doc.Coff)
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return yaml2coff(*Doc.Coff, Out, ErrHandler);
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if (Doc.MachO || Doc.FatMachO)
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return yaml2macho(Doc, Out, ErrHandler);
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if (Doc.Minidump)
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return yaml2minidump(*Doc.Minidump, Out, ErrHandler);
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if (Doc.Wasm)
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return yaml2wasm(*Doc.Wasm, Out, ErrHandler);
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if (Doc.Xcoff)
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return yaml2xcoff(*Doc.Xcoff, Out, ErrHandler);
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ErrHandler("unknown document type");
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return false;
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} while (YIn.nextDocument());
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ErrHandler("cannot find the " + Twine(DocNum) +
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getOrdinalSuffix(DocNum).data() + " document");
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return false;
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}
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std::unique_ptr<object::ObjectFile>
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yaml2ObjectFile(SmallVectorImpl<char> &Storage, StringRef Yaml,
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ErrorHandler ErrHandler) {
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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 (!convertYAML(YIn, OS, ErrHandler))
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return {};
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Expected<std::unique_ptr<object::ObjectFile>> ObjOrErr =
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object::ObjectFile::createObjectFile(
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MemoryBufferRef(OS.str(), "YamlObject"));
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if (ObjOrErr)
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return std::move(*ObjOrErr);
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ErrHandler(toString(ObjOrErr.takeError()));
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return {};
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}
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} // namespace yaml
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} // namespace llvm
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