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//===- OffloadEmitter.cpp -------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "llvm/Object/OffloadBinary.h"
#include "llvm/ObjectYAML/OffloadYAML.h"
#include "llvm/ObjectYAML/yaml2obj.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
using namespace OffloadYAML;
namespace llvm {
namespace yaml {
bool yaml2offload(Binary &Doc, raw_ostream &Out, ErrorHandler EH) {
for (const auto &Member : Doc.Members) {
object::OffloadBinary::OffloadingImage Image{};
if (Member.ImageKind)
Image.TheImageKind = *Member.ImageKind;
if (Member.OffloadKind)
Image.TheOffloadKind = *Member.OffloadKind;
if (Member.Flags)
Image.Flags = *Member.Flags;
StringMap<StringRef> &StringData = Image.StringData;
if (Member.StringEntries) {
for (const auto &Entry : *Member.StringEntries) {
StringData[Entry.Key] = Entry.Value;
}
}
SmallVector<char, 1024> Data;
raw_svector_ostream OS(Data);
if (Member.Content)
Member.Content->writeAsBinary(OS);
Image.Image = MemoryBuffer::getMemBufferCopy(OS.str());
std::unique_ptr<MemoryBuffer> Binary = object::OffloadBinary::write(Image);
// Copy the data to a new buffer so we can modify the bytes directly.
SmallVector<char> NewBuffer;
std::copy(Binary->getBufferStart(), Binary->getBufferEnd(),
std::back_inserter(NewBuffer));
auto *TheHeader =
reinterpret_cast<object::OffloadBinary::Header *>(&NewBuffer[0]);
if (Doc.Version)
TheHeader->Version = *Doc.Version;
if (Doc.Size)
TheHeader->Size = *Doc.Size;
if (Doc.EntryOffset)
TheHeader->EntryOffset = *Doc.EntryOffset;
if (Doc.EntrySize)
TheHeader->EntrySize = *Doc.EntrySize;
Out.write(NewBuffer.begin(), NewBuffer.size());
}
return true;
}
} // namespace yaml
} // namespace llvm
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