1//===-- lib/cuda/registration.cpp -------------------------------*- C++ -*-===//
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#include "flang/Runtime/CUDA/registration.h"
10#include "flang-rt/runtime/terminator.h"
11#include "flang/Runtime/CUDA/common.h"
12
13#include "cuda_runtime.h"
14
15namespace Fortran::runtime::cuda {
16
17extern "C" {
18
19extern void **__cudaRegisterFatBinary(void *);
20extern void __cudaRegisterFatBinaryEnd(void *);
21extern void __cudaRegisterFunction(void **fatCubinHandle, const char *hostFun,
22 char *deviceFun, const char *deviceName, int thread_limit, uint3 *tid,
23 uint3 *bid, dim3 *bDim, dim3 *gDim, int *wSize);
24extern void __cudaRegisterVar(void **fatCubinHandle, char *hostVar,
25 const char *deviceAddress, const char *deviceName, int ext, size_t size,
26 int constant, int global);
27
28void *RTDECL(CUFRegisterModule)(void *data) {
29 void **fatHandle{__cudaRegisterFatBinary(data)};
30 __cudaRegisterFatBinaryEnd(fatHandle);
31 return fatHandle;
32}
33
34void RTDEF(CUFRegisterFunction)(
35 void **module, const char *fctSym, char *fctName) {
36 __cudaRegisterFunction(module, fctSym, fctName, fctName, -1, (uint3 *)0,
37 (uint3 *)0, (dim3 *)0, (dim3 *)0, (int *)0);
38}
39
40void RTDEF(CUFRegisterVariable)(
41 void **module, char *varSym, const char *varName, int64_t size) {
42 __cudaRegisterVar(module, varSym, varName, varName, 0, size, 0, 0);
43}
44
45} // extern "C"
46
47} // namespace Fortran::runtime::cuda
48

source code of flang-rt/lib/cuda/registration.cpp