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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-exception6//7//===----------------------------------------------------------------------===//8//9// Declarations for handling RTL plugins.10//11//===----------------------------------------------------------------------===//12 13#ifndef _OMPTARGET_RTL_H14#define _OMPTARGET_RTL_H15 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. Each24/// registered library gets one TranslationTable. Use the map from25/// llvm::offloading::EntryTy so that we may quickly determine whether we26/// are trying to (re)register an existing lib or really have a new one.27struct 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};43typedef std::map<llvm::offloading::EntryTy *, TranslationTable>44 HostEntriesBeginToTransTableTy;45 46/// Map between the host ptr and a table index47struct 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};54typedef std::map<void *, TableMap> HostPtrToTableMapTy;55 56#endif57