xref: /llvm-project/offload/src/DeviceImage.cpp (revision 08533a3ee8f3a09a59cf6ac3be59198b26b7f739)
1330d8983SJohannes Doerfert //===-- DeviceImage.cpp - Representation of the device code/image ---------===//
2330d8983SJohannes Doerfert //
3330d8983SJohannes Doerfert // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4330d8983SJohannes Doerfert // See https://llvm.org/LICENSE.txt for license information.
5330d8983SJohannes Doerfert // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6330d8983SJohannes Doerfert //
7330d8983SJohannes Doerfert //===----------------------------------------------------------------------===//
8330d8983SJohannes Doerfert //
9330d8983SJohannes Doerfert //===----------------------------------------------------------------------===//
10330d8983SJohannes Doerfert 
11330d8983SJohannes Doerfert #include "DeviceImage.h"
12330d8983SJohannes Doerfert 
13330d8983SJohannes Doerfert #include "OffloadEntry.h"
14330d8983SJohannes Doerfert #include "Shared/APITypes.h"
15330d8983SJohannes Doerfert #include "Shared/Debug.h"
16330d8983SJohannes Doerfert #include "Shared/Utils.h"
17330d8983SJohannes Doerfert 
18330d8983SJohannes Doerfert #include "llvm/ADT/iterator_range.h"
19330d8983SJohannes Doerfert #include "llvm/Support/Error.h"
20330d8983SJohannes Doerfert #include <memory>
21330d8983SJohannes Doerfert 
22330d8983SJohannes Doerfert __tgt_bin_desc *OffloadEntryTy::getBinaryDescription() const {
23330d8983SJohannes Doerfert   return &DeviceImage.getBinaryDesc();
24330d8983SJohannes Doerfert }
25330d8983SJohannes Doerfert 
26330d8983SJohannes Doerfert DeviceImageTy::DeviceImageTy(__tgt_bin_desc &BinaryDesc,
27330d8983SJohannes Doerfert                              __tgt_device_image &TgtDeviceImage)
28330d8983SJohannes Doerfert     : BinaryDesc(&BinaryDesc), Image(TgtDeviceImage) {
29330d8983SJohannes Doerfert 
30*08533a3eSJohannes Doerfert   llvm::StringRef ImageStr(static_cast<char *>(Image.ImageStart),
31*08533a3eSJohannes Doerfert                            utils::getPtrDiff(Image.ImageEnd, Image.ImageStart));
32330d8983SJohannes Doerfert 
33330d8983SJohannes Doerfert   auto BinaryOrErr =
34330d8983SJohannes Doerfert       llvm::object::OffloadBinary::create(llvm::MemoryBufferRef(ImageStr, ""));
35330d8983SJohannes Doerfert 
36330d8983SJohannes Doerfert   if (!BinaryOrErr) {
37330d8983SJohannes Doerfert     consumeError(BinaryOrErr.takeError());
38330d8983SJohannes Doerfert     return;
39330d8983SJohannes Doerfert   }
40330d8983SJohannes Doerfert 
41330d8983SJohannes Doerfert   Binary = std::move(*BinaryOrErr);
42330d8983SJohannes Doerfert   void *Begin = const_cast<void *>(
43330d8983SJohannes Doerfert       static_cast<const void *>(Binary->getImage().bytes_begin()));
44330d8983SJohannes Doerfert   void *End = const_cast<void *>(
45330d8983SJohannes Doerfert       static_cast<const void *>(Binary->getImage().bytes_end()));
46330d8983SJohannes Doerfert 
47330d8983SJohannes Doerfert   Image = __tgt_device_image{Begin, End, Image.EntriesBegin, Image.EntriesEnd};
48330d8983SJohannes Doerfert }
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