loadSharedLibrary.h

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/*
 * Copyright (C) 2025  Tetex7
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
//
// Created by tete on 09/15/2025.
//
 

 
#ifndef L61_RS_LOADSHAREDLIBRARY_H
#define L61_RS_LOADSHAREDLIBRARY_H
 
#include "l61/RosettaSystem/loadSharedLibraryTypes.h"
#ifdef  __cplusplus
#   define L61_ROSETTA_CAST_SYMBOL(type, symbol)  reinterpret_cast<type>(symbol)
#include <stdexcept>
#include <type_traits>
#include <concepts>
 
namespace l61::RosettaSystem
{
    template<typename T> requires std::is_function_v<T> && (!std::is_pointer_v<T>)
    std::add_pointer_t<T> shared_callable_symbol_cast(l61_rosetta_SharedLibrary_symbol_t symbol)
    {
        if (symbol == nullptr)
        {
            throw std::runtime_error("Symbol is null");
        }
        return L61_ROSETTA_CAST_SYMBOL(std::add_pointer_t<T>, symbol);
    }
}
 
#else
#   define L61_ROSETTA_CAST_SYMBOL(type, symbol) ((type)(symbol))
#endif
 
 
#ifdef  __cplusplus
extern "C" {
#endif
l61_rosetta_SharedLibrary_handle_t l61_rosetta_loadSharedLibrary(const char *file);

l61_rosetta_SharedLibrary_symbol_t l61_rosetta_getSharedLibrarySymbol(l61_rosetta_SharedLibrary_handle_t handle, const char* symbol);

int l61_rosetta_unloadSharedLibrary(l61_rosetta_SharedLibrary_handle_t handle);

const char* l61_rosetta_getSharedLibraryLoaderError();
 
#ifdef  __cplusplus
}
#endif
#endif //L61_RS_LOADSHAREDLIBRARY_H