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