83 lines
2.6 KiB
C++
83 lines
2.6 KiB
C++
//===------ offload2yaml.cpp - obj2yaml conversion tool ---*- C++ -------*-===//
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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 "obj2yaml.h"
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#include "llvm/BinaryFormat/Magic.h"
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#include "llvm/Object/OffloadBinary.h"
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#include "llvm/ObjectYAML/OffloadYAML.h"
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#include "llvm/Support/StringSaver.h"
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using namespace llvm;
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namespace {
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void populateYAML(OffloadYAML::Binary &YAMLBinary, object::OffloadBinary &OB,
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UniqueStringSaver Saver) {
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YAMLBinary.Members.emplace_back();
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auto &Member = YAMLBinary.Members.back();
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Member.ImageKind = OB.getImageKind();
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Member.OffloadKind = OB.getOffloadKind();
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Member.Flags = OB.getFlags();
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if (!OB.strings().empty()) {
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Member.StringEntries = std::vector<OffloadYAML::Binary::StringEntry>();
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for (const auto &Entry : OB.strings())
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Member.StringEntries->emplace_back(OffloadYAML::Binary::StringEntry(
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{Saver.save(Entry.getKey()), Saver.save(Entry.getValue())}));
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}
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if (!OB.getImage().empty())
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Member.Content = arrayRefFromStringRef(OB.getImage());
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}
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Expected<OffloadYAML::Binary *> dump(MemoryBufferRef Source,
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UniqueStringSaver Saver) {
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Expected<std::unique_ptr<object::OffloadBinary>> OB =
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object::OffloadBinary::create(Source);
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if (!OB)
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return OB.takeError();
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std::unique_ptr<OffloadYAML::Binary> YAMLBinary =
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std::make_unique<OffloadYAML::Binary>();
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YAMLBinary->Members = std::vector<OffloadYAML::Binary::Member>();
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uint64_t Offset = 0;
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while (Offset < (*OB)->getMemoryBufferRef().getBufferSize()) {
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MemoryBufferRef Buffer = MemoryBufferRef(
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(*OB)->getData().drop_front(Offset), (*OB)->getFileName());
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auto BinaryOrErr = object::OffloadBinary::create(Buffer);
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if (!BinaryOrErr)
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return BinaryOrErr.takeError();
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object::OffloadBinary &Binary = **BinaryOrErr;
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populateYAML(*YAMLBinary, Binary, Saver);
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Offset += Binary.getSize();
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}
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return YAMLBinary.release();
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}
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} // namespace
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Error offload2yaml(raw_ostream &Out, MemoryBufferRef Source) {
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BumpPtrAllocator Alloc;
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UniqueStringSaver Saver(Alloc);
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Expected<OffloadYAML::Binary *> YAMLOrErr = dump(Source, Saver);
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if (!YAMLOrErr)
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return YAMLOrErr.takeError();
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std::unique_ptr<OffloadYAML::Binary> YAML(YAMLOrErr.get());
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yaml::Output Yout(Out);
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Yout << *YAML;
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return Error::success();
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}
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