Peter Park
87 خطوط
2.9 KiB
C++
87 خطوط
2.9 KiB
C++
// MIT License
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//
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// Copyright (c) 2022-2025 Advanced Micro Devices, Inc. All Rights Reserved.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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#pragma once
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#include "defines.hpp"
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#include <dlfcn.h>
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#include <string>
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#include <unistd.h>
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#include <vector>
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namespace rocprofsys
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{
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std::string
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find_library_path(const std::string& _name, const std::vector<std::string>& _env_vars,
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const std::vector<std::string>& _hints,
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const std::vector<std::string>& _path_suffixes = { "lib", "lib64" });
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struct dynamic_library
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{
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dynamic_library() = delete;
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dynamic_library(const dynamic_library&) = delete;
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dynamic_library(dynamic_library&&) noexcept = default;
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dynamic_library& operator=(const dynamic_library&) = delete;
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dynamic_library& operator=(dynamic_library&&) noexcept = default;
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dynamic_library(std::string _env, std::string _fname,
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int _flags = (RTLD_LAZY | RTLD_GLOBAL), bool _open = true,
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bool _query_env = true, bool _store = true);
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~dynamic_library();
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bool open();
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int close() const;
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bool is_open() const;
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template <typename RetT, typename... Args>
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RetT invoke(std::string_view, RetT (*&_func)(Args...), Args...);
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std::string envname = {};
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std::string filename = {};
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int flags = 0;
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void* handle = nullptr;
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};
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template <typename RetT, typename... Args>
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inline RetT
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dynamic_library::invoke(std::string_view _name, RetT (*&_func)(Args...), Args... _args)
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{
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if(!handle) open();
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if(handle)
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{
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*(void**) (&_func) = dlsym(handle, _name.data());
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if(_func)
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{
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return (*_func)(_args...);
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}
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else
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{
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fprintf(stderr, "[rocprof-sys][pid=%i]> %s :: %s\n", getpid(), _name.data(),
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dlerror());
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}
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}
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return RetT{};
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}
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} // namespace rocprofsys
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