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//===------------ rtl.h - Target independent OpenMP target RTL ------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// Declarations for handling RTL plugins.
//
//===----------------------------------------------------------------------===//
#ifndef _OMPTARGET_RTL_H
#define _OMPTARGET_RTL_H
#include "llvm/ADT/SmallVector.h"
#include "omptarget.h"
#include <cstdint>
#include <map>
/// Map between the host entry begin and the translation table. Each
/// registered library gets one TranslationTable. Use the map from
/// llvm::offloading::EntryTy so that we may quickly determine whether we
/// are trying to (re)register an existing lib or really have a new one.
struct TranslationTable {
__tgt_target_table HostTable;
llvm::SmallVector<__tgt_target_table> DeviceTables;
// Image assigned to a given device.
llvm::SmallVector<__tgt_device_image *>
TargetsImages; // One image per device ID.
// Arrays of entries active on the device.
llvm::SmallVector<llvm::SmallVector<llvm::offloading::EntryTy>>
TargetsEntries; // One table per device ID.
// Table of entry points or NULL if it was not already computed.
llvm::SmallVector<__tgt_target_table *>
TargetsTable; // One table per device ID.
};
typedef std::map<llvm::offloading::EntryTy *, TranslationTable>
HostEntriesBeginToTransTableTy;
/// Map between the host ptr and a table index
struct TableMap {
TranslationTable *Table = nullptr; // table associated with the host ptr.
uint32_t Index = 0; // index in which the host ptr translated entry is found.
TableMap() = default;
TableMap(TranslationTable *Table, uint32_t Index)
: Table(Table), Index(Index) {}
};
typedef std::map<void *, TableMap> HostPtrToTableMapTy;
#endif
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