| 1 | //===-- DeviceImage.cpp - Representation of the device code/image ---------===// |
| 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 | //===----------------------------------------------------------------------===// |
| 10 | |
| 11 | #include "DeviceImage.h" |
| 12 | |
| 13 | #include "OffloadEntry.h" |
| 14 | #include "Shared/APITypes.h" |
| 15 | #include "Shared/Debug.h" |
| 16 | #include "Shared/Utils.h" |
| 17 | |
| 18 | #include "llvm/ADT/iterator_range.h" |
| 19 | #include "llvm/Support/Error.h" |
| 20 | #include <memory> |
| 21 | |
| 22 | __tgt_bin_desc *OffloadEntryTy::getBinaryDescription() const { |
| 23 | return &DeviceImage.getBinaryDesc(); |
| 24 | } |
| 25 | |
| 26 | DeviceImageTy::DeviceImageTy(__tgt_bin_desc &BinaryDesc, |
| 27 | __tgt_device_image &TgtDeviceImage) |
| 28 | : BinaryDesc(&BinaryDesc), Image(TgtDeviceImage) { |
| 29 | |
| 30 | llvm::StringRef ImageStr(static_cast<char *>(Image.ImageStart), |
| 31 | utils::getPtrDiff(Image.ImageEnd, Image.ImageStart)); |
| 32 | |
| 33 | auto BinaryOrErr = |
| 34 | llvm::object::OffloadBinary::create(llvm::MemoryBufferRef(ImageStr, "" )); |
| 35 | |
| 36 | if (!BinaryOrErr) { |
| 37 | consumeError(BinaryOrErr.takeError()); |
| 38 | return; |
| 39 | } |
| 40 | |
| 41 | Binary = std::move(*BinaryOrErr); |
| 42 | void *Begin = const_cast<void *>( |
| 43 | static_cast<const void *>(Binary->getImage().bytes_begin())); |
| 44 | void *End = const_cast<void *>( |
| 45 | static_cast<const void *>(Binary->getImage().bytes_end())); |
| 46 | |
| 47 | Image = __tgt_device_image{Begin, End, Image.EntriesBegin, Image.EntriesEnd}; |
| 48 | } |
| 49 | |