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| 1 | //===------------ rtl.h - Target independent OpenMP target RTL ------------===// |
|---|---|
| 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 | // Declarations for handling RTL plugins. |
| 10 | // |
| 11 | //===----------------------------------------------------------------------===// |
| 12 | |
| 13 | #ifndef _OMPTARGET_RTL_H |
| 14 | #define _OMPTARGET_RTL_H |
| 15 | |
| 16 | #include "llvm/ADT/SmallVector.h" |
| 17 | |
| 18 | #include "omptarget.h" |
| 19 | |
| 20 | #include <cstdint> |
| 21 | #include <map> |
| 22 | |
| 23 | /// Map between the host entry begin and the translation table. Each |
| 24 | /// registered library gets one TranslationTable. Use the map from |
| 25 | /// llvm::offloading::EntryTy so that we may quickly determine whether we |
| 26 | /// are trying to (re)register an existing lib or really have a new one. |
| 27 | struct TranslationTable { |
| 28 | __tgt_target_table HostTable; |
| 29 | llvm::SmallVector<__tgt_target_table> DeviceTables; |
| 30 | |
| 31 | // Image assigned to a given device. |
| 32 | llvm::SmallVector<__tgt_device_image *> |
| 33 | TargetsImages; // One image per device ID. |
| 34 | |
| 35 | // Arrays of entries active on the device. |
| 36 | llvm::SmallVector<llvm::SmallVector<llvm::offloading::EntryTy>> |
| 37 | TargetsEntries; // One table per device ID. |
| 38 | |
| 39 | // Table of entry points or NULL if it was not already computed. |
| 40 | llvm::SmallVector<__tgt_target_table *> |
| 41 | TargetsTable; // One table per device ID. |
| 42 | }; |
| 43 | typedef std::map<llvm::offloading::EntryTy *, TranslationTable> |
| 44 | HostEntriesBeginToTransTableTy; |
| 45 | |
| 46 | /// Map between the host ptr and a table index |
| 47 | struct TableMap { |
| 48 | TranslationTable *Table = nullptr; // table associated with the host ptr. |
| 49 | uint32_t Index = 0; // index in which the host ptr translated entry is found. |
| 50 | TableMap() = default; |
| 51 | TableMap(TranslationTable *Table, uint32_t Index) |
| 52 | : Table(Table), Index(Index) {} |
| 53 | }; |
| 54 | typedef std::map<void *, TableMap> HostPtrToTableMapTy; |
| 55 | |
| 56 | #endif |
| 57 |
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