74 lines
2.6 KiB
C++
74 lines
2.6 KiB
C++
/*
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* Copyright (c) 2015, Intel Corporation
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors
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* may be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <DynamicLibrary.hpp>
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#include "windows.h"
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#include <stdexcept>
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const std::string DynamicLibrary::_osLibraryPrefix = "";
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const std::string DynamicLibrary::_osLibrarySuffix = ".dll";
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DynamicLibrary::DynamicLibrary(const std::string &path) : _path(osSanitizePathName(path))
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{
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static_assert(sizeof(void *) == sizeof(HMODULE), "Incompatible object size");
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HMODULE module = LoadLibrary(_path.c_str());
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_handle = reinterpret_cast<void *>(module);
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if (_handle == nullptr) {
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throw std::runtime_error(_path + ": cannot open shared object file.");
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}
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}
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DynamicLibrary::~DynamicLibrary()
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{
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HMODULE module = reinterpret_cast<HMODULE>(_handle);
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FreeLibrary(module);
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}
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void *DynamicLibrary::osGetSymbol(const std::string &symbol) const
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{
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HMODULE module = reinterpret_cast<HMODULE>(_handle);
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void *sym = reinterpret_cast<void *>(GetProcAddress(module, symbol.c_str()));
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if (sym == nullptr) {
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throw std::runtime_error(_path + ": undefined symbol: " + symbol);
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}
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return sym;
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}
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