1//===- OffloadEmitter.cpp -------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "llvm/Object/OffloadBinary.h"
10#include "llvm/ObjectYAML/OffloadYAML.h"
11#include "llvm/ObjectYAML/yaml2obj.h"
12#include "llvm/Support/raw_ostream.h"
13
14using namespace llvm;
15using namespace OffloadYAML;
16
17namespace llvm {
18namespace yaml {
19
20bool yaml2offload(Binary &Doc, raw_ostream &Out, ErrorHandler EH) {
21 for (const auto &Member : Doc.Members) {
22 object::OffloadBinary::OffloadingImage Image{};
23 if (Member.ImageKind)
24 Image.TheImageKind = *Member.ImageKind;
25 if (Member.OffloadKind)
26 Image.TheOffloadKind = *Member.OffloadKind;
27 if (Member.Flags)
28 Image.Flags = *Member.Flags;
29
30 if (Member.StringEntries)
31 for (const auto &Entry : *Member.StringEntries)
32 Image.StringData[Entry.Key] = Entry.Value;
33
34 SmallVector<char, 1024> Data;
35 raw_svector_ostream OS(Data);
36 if (Member.Content)
37 Member.Content->writeAsBinary(OS);
38 Image.Image = MemoryBuffer::getMemBufferCopy(InputData: OS.str());
39
40 // Copy the data to a new buffer so we can modify the bytes directly.
41 auto Buffer = object::OffloadBinary::write(Image);
42 auto *TheHeader =
43 reinterpret_cast<object::OffloadBinary::Header *>(&Buffer[0]);
44 if (Doc.Version)
45 TheHeader->Version = *Doc.Version;
46 if (Doc.Size)
47 TheHeader->Size = *Doc.Size;
48 if (Doc.EntryOffset)
49 TheHeader->EntryOffset = *Doc.EntryOffset;
50 if (Doc.EntrySize)
51 TheHeader->EntrySize = *Doc.EntrySize;
52
53 Out.write(Ptr: Buffer.begin(), Size: Buffer.size());
54 }
55
56 return true;
57}
58
59} // namespace yaml
60} // namespace llvm
61