xref: /freebsd-src/contrib/llvm-project/llvm/lib/ObjectYAML/OffloadEmitter.cpp (revision 06c3fb2749bda94cb5201f81ffdb8fa6c3161b2e)
181ad6265SDimitry Andric //===- OffloadEmitter.cpp -------------------------------------------------===//
281ad6265SDimitry Andric //
381ad6265SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
481ad6265SDimitry Andric // See https://llvm.org/LICENSE.txt for license information.
581ad6265SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
681ad6265SDimitry Andric //
781ad6265SDimitry Andric //===----------------------------------------------------------------------===//
881ad6265SDimitry Andric 
981ad6265SDimitry Andric #include "llvm/Object/OffloadBinary.h"
1081ad6265SDimitry Andric #include "llvm/ObjectYAML/OffloadYAML.h"
1181ad6265SDimitry Andric #include "llvm/ObjectYAML/yaml2obj.h"
1281ad6265SDimitry Andric #include "llvm/Support/Error.h"
1381ad6265SDimitry Andric #include "llvm/Support/raw_ostream.h"
1481ad6265SDimitry Andric 
1581ad6265SDimitry Andric using namespace llvm;
1681ad6265SDimitry Andric using namespace OffloadYAML;
1781ad6265SDimitry Andric 
1881ad6265SDimitry Andric namespace llvm {
1981ad6265SDimitry Andric namespace yaml {
2081ad6265SDimitry Andric 
2181ad6265SDimitry Andric bool yaml2offload(Binary &Doc, raw_ostream &Out, ErrorHandler EH) {
2281ad6265SDimitry Andric   for (const auto &Member : Doc.Members) {
2381ad6265SDimitry Andric     object::OffloadBinary::OffloadingImage Image{};
2481ad6265SDimitry Andric     if (Member.ImageKind)
2581ad6265SDimitry Andric       Image.TheImageKind = *Member.ImageKind;
2681ad6265SDimitry Andric     if (Member.OffloadKind)
2781ad6265SDimitry Andric       Image.TheOffloadKind = *Member.OffloadKind;
2881ad6265SDimitry Andric     if (Member.Flags)
2981ad6265SDimitry Andric       Image.Flags = *Member.Flags;
3081ad6265SDimitry Andric 
31*06c3fb27SDimitry Andric     if (Member.StringEntries)
32*06c3fb27SDimitry Andric       for (const auto &Entry : *Member.StringEntries)
33*06c3fb27SDimitry Andric         Image.StringData[Entry.Key] = Entry.Value;
3481ad6265SDimitry Andric 
3581ad6265SDimitry Andric     SmallVector<char, 1024> Data;
3681ad6265SDimitry Andric     raw_svector_ostream OS(Data);
3781ad6265SDimitry Andric     if (Member.Content)
3881ad6265SDimitry Andric       Member.Content->writeAsBinary(OS);
3981ad6265SDimitry Andric     Image.Image = MemoryBuffer::getMemBufferCopy(OS.str());
4081ad6265SDimitry Andric 
4181ad6265SDimitry Andric     std::unique_ptr<MemoryBuffer> Binary = object::OffloadBinary::write(Image);
4281ad6265SDimitry Andric 
4381ad6265SDimitry Andric     // Copy the data to a new buffer so we can modify the bytes directly.
4481ad6265SDimitry Andric     SmallVector<char> NewBuffer;
4581ad6265SDimitry Andric     std::copy(Binary->getBufferStart(), Binary->getBufferEnd(),
4681ad6265SDimitry Andric               std::back_inserter(NewBuffer));
4781ad6265SDimitry Andric     auto *TheHeader =
4881ad6265SDimitry Andric         reinterpret_cast<object::OffloadBinary::Header *>(&NewBuffer[0]);
4981ad6265SDimitry Andric     if (Doc.Version)
5081ad6265SDimitry Andric       TheHeader->Version = *Doc.Version;
5181ad6265SDimitry Andric     if (Doc.Size)
5281ad6265SDimitry Andric       TheHeader->Size = *Doc.Size;
5381ad6265SDimitry Andric     if (Doc.EntryOffset)
5481ad6265SDimitry Andric       TheHeader->EntryOffset = *Doc.EntryOffset;
5581ad6265SDimitry Andric     if (Doc.EntrySize)
5681ad6265SDimitry Andric       TheHeader->EntrySize = *Doc.EntrySize;
5781ad6265SDimitry Andric 
5881ad6265SDimitry Andric     Out.write(NewBuffer.begin(), NewBuffer.size());
5981ad6265SDimitry Andric   }
6081ad6265SDimitry Andric 
6181ad6265SDimitry Andric   return true;
6281ad6265SDimitry Andric }
6381ad6265SDimitry Andric 
6481ad6265SDimitry Andric } // namespace yaml
6581ad6265SDimitry Andric } // namespace llvm
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