forked from huawei/mindspore2022
56 lines
2.3 KiB
C++
56 lines
2.3 KiB
C++
/**
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* Copyright 2021 Huawei Technologies Co., Ltd
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef MINDSPORE_CCSRC_UTILS_DLOPEN_MACRO_H
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#define MINDSPORE_CCSRC_UTILS_DLOPEN_MACRO_H
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#include <dlfcn.h>
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#include <string>
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#include <functional>
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#include "utils/log_adapter.h"
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#define PLUGIN_METHOD(name, return_type, params...) \
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extern "C" { \
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__attribute__((visibility("default"))) return_type Plugin##name(params); \
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} \
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constexpr const char *k##name##Name = "Plugin" #name; \
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using name##FunObj = std::function<return_type(params)>; \
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using name##FunPtr = return_type (*)(params);
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#define ORIGIN_METHOD(name, return_type, params...) \
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extern "C" { \
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return_type name(params); \
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} \
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constexpr const char *k##name##Name = #name; \
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using name##FunObj = std::function<return_type(params)>; \
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using name##FunPtr = return_type (*)(params);
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inline static std::string GetDlErrorMsg() {
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const char *result = dlerror();
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return (result == nullptr) ? "Unknown" : result;
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}
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template <class T>
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static T DlsymWithCast(void *handle, const char *symbol_name) {
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T symbol = reinterpret_cast<T>(dlsym(handle, symbol_name));
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if (symbol == nullptr) {
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MS_LOG(EXCEPTION) << "Dlsym symbol " << symbol_name << " failed, result = " << GetDlErrorMsg();
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}
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return symbol;
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}
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#define DlsymFuncObj(func_name, plugin_handle) DlsymWithCast<func_name##FunPtr>(plugin_handle, k##func_name##Name);
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#endif // MINDSPORE_CCSRC_UTILS_DLOPEN_MACRO_H
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