69 lines
2.1 KiB
C++
69 lines
2.1 KiB
C++
//===- OffloadEmitter.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/Object/OffloadBinary.h"
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#include "llvm/ObjectYAML/OffloadYAML.h"
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#include "llvm/ObjectYAML/yaml2obj.h"
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#include "llvm/Support/Error.h"
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#include "llvm/Support/raw_ostream.h"
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using namespace llvm;
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using namespace OffloadYAML;
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namespace llvm {
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namespace yaml {
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bool yaml2offload(Binary &Doc, raw_ostream &Out, ErrorHandler EH) {
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for (const auto &Member : Doc.Members) {
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object::OffloadBinary::OffloadingImage Image{};
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if (Member.ImageKind)
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Image.TheImageKind = *Member.ImageKind;
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if (Member.OffloadKind)
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Image.TheOffloadKind = *Member.OffloadKind;
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if (Member.Flags)
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Image.Flags = *Member.Flags;
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StringMap<StringRef> &StringData = Image.StringData;
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if (Member.StringEntries) {
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for (const auto &Entry : *Member.StringEntries) {
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StringData[Entry.Key] = Entry.Value;
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}
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}
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SmallVector<char, 1024> Data;
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raw_svector_ostream OS(Data);
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if (Member.Content)
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Member.Content->writeAsBinary(OS);
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Image.Image = MemoryBuffer::getMemBufferCopy(OS.str());
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std::unique_ptr<MemoryBuffer> Binary = object::OffloadBinary::write(Image);
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// Copy the data to a new buffer so we can modify the bytes directly.
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SmallVector<char> NewBuffer;
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std::copy(Binary->getBufferStart(), Binary->getBufferEnd(),
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std::back_inserter(NewBuffer));
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auto *TheHeader =
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reinterpret_cast<object::OffloadBinary::Header *>(&NewBuffer[0]);
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if (Doc.Version)
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TheHeader->Version = *Doc.Version;
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if (Doc.Size)
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TheHeader->Size = *Doc.Size;
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if (Doc.EntryOffset)
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TheHeader->EntryOffset = *Doc.EntryOffset;
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if (Doc.EntrySize)
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TheHeader->EntrySize = *Doc.EntrySize;
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Out.write(NewBuffer.begin(), NewBuffer.size());
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}
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return true;
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}
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} // namespace yaml
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} // namespace llvm
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