1/* 2 * Copyright (c) 2015, Intel Corporation 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, this 9 * list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, 12 * this list of conditions and the following disclaimer in the documentation and/or 13 * other materials provided with the distribution. 14 * 15 * 3. Neither the name of the copyright holder nor the names of its contributors 16 * may be used to endorse or promote products derived from this software without 17 * specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR 23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#include <DynamicLibrary.hpp> 32 33#include "windows.h" 34 35#include <stdexcept> 36 37const std::string DynamicLibrary::_osLibraryPrefix = ""; 38const std::string DynamicLibrary::_osLibrarySuffix = ".dll"; 39 40DynamicLibrary::DynamicLibrary(const std::string &path) : _path(osSanitizePathName(path)) 41{ 42 static_assert(sizeof(void *) == sizeof(HMODULE), "Incompatible object size"); 43 44 HMODULE module = LoadLibrary(_path.c_str()); 45 46 _handle = reinterpret_cast<void *>(module); 47 48 if (_handle == nullptr) { 49 50 throw std::runtime_error(_path + ": cannot open shared object file."); 51 } 52} 53 54DynamicLibrary::~DynamicLibrary() 55{ 56 HMODULE module = reinterpret_cast<HMODULE>(_handle); 57 58 FreeLibrary(module); 59} 60 61void *DynamicLibrary::osGetSymbol(const std::string &symbol) const 62{ 63 HMODULE module = reinterpret_cast<HMODULE>(_handle); 64 65 void *sym = reinterpret_cast<void *>(GetProcAddress(module, symbol.c_str())); 66 67 if (sym == nullptr) { 68 69 throw std::runtime_error(_path + ": undefined symbol: " + symbol); 70 } 71 72 return sym; 73} 74