forked from OSchip/llvm-project
67 lines
1.8 KiB
C++
67 lines
1.8 KiB
C++
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//===- lib/ReaderWriter/MachO/MachONormalizedFileToAtoms.cpp --------------===//
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//
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// The LLVM Linker
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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///
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/// \file Converts from in-memory normalized mach-o to in-memory Atoms.
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///
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/// +------------+
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/// | normalized |
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/// +------------+
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/// |
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/// |
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/// v
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/// +-------+
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/// | Atoms |
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/// +-------+
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#include "MachONormalizedFile.h"
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#include "File.h"
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#include "Atoms.h"
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#include "lld/Core/LLVM.h"
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#include "llvm/Support/MachO.h"
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using namespace llvm::MachO;
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namespace lld {
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namespace mach_o {
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namespace normalized {
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static ErrorOr<std::unique_ptr<lld::File>>
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normalizedObjectToAtoms(const NormalizedFile &normalizedFile, StringRef path) {
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std::unique_ptr<MachOFile> file(new MachOFile(path));
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for (auto &sym : normalizedFile.globalSymbols) {
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file->addDefinedAtom(sym.name,
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normalizedFile.sections[sym.sect - 1].content);
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}
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assert(normalizedFile.localSymbols.empty() &&
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"local symbols not supported yet!");
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assert(normalizedFile.undefinedSymbols.empty() &&
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"undefined symbols not supported yet!");
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return std::unique_ptr<File>(std::move(file));
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}
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ErrorOr<std::unique_ptr<lld::File>>
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normalizedToAtoms(const NormalizedFile &normalizedFile, StringRef path) {
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switch (normalizedFile.fileType) {
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case MH_OBJECT:
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return normalizedObjectToAtoms(normalizedFile, path);
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default:
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llvm_unreachable("unhandled MachO file type!");
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}
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}
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} // namespace normalized
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} // namespace mach_o
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} // namespace lld
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