1 /*
 2  * Copyright (c) 2024, 2026, Oracle and/or its affiliates. All rights reserved.
 3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 4  *
 5  * This code is free software; you can redistribute it and/or modify it
 6  * under the terms of the GNU General Public License version 2 only, as
 7  * published by the Free Software Foundation.  Oracle designates this
 8  * particular file as subject to the "Classpath" exception as provided
 9  * by Oracle in the LICENSE file that accompanied this code.
10  *
11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
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19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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24  */
25 
26 #include <sys/wait.h>
27 #include <chrono>
28 #include "cuda_backend.h"
29 
30 
31 CudaBackend::CudaModule::CudaModule(Backend *backend,
32                                     const CudaImage *cudaImage,
33                                     char *log, const bool ok,
34                                     const CUmodule module)
35     : CompilationUnit(backend, cudaImage->text, log, ok),
36       cudaSource(),
37       image(cudaImage->len, cudaImage->text, false),
38       log(log),
39       module(module) {
40 }
41 
42 CudaBackend::CudaModule::~CudaModule() = default;
43 
44 CudaBackend::CudaModule *CudaBackend::CudaModule::of(long moduleHandle) {
45     return reinterpret_cast<CudaModule *>(moduleHandle);
46 }
47 
48 Backend::CompilationUnit::Kernel *CudaBackend::CudaModule::getKernel(const int nameLen, char *name) {
49     CudaKernel *cudaKernel = getCudaKernel(nameLen, name);
50     return cudaKernel;
51 }
52 
53 CudaBackend::CudaModule::CudaKernel *CudaBackend::CudaModule::getCudaKernel(char *name) {
54     return getCudaKernel(std::strlen(name), name);
55 }
56 
57 CudaBackend::CudaModule::CudaKernel *CudaBackend::CudaModule::getCudaKernel(int nameLen, char *name) {
58     CUfunction function;
59     CUDA_CHECK(cuModuleGetFunction(&function, module, name), "cuModuleGetFunction");
60     return new CudaKernel(this, name, function);
61 }
62 
63 bool CudaBackend::CudaModule::programOK() {
64     return true;
65 }