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Diffstat (limited to 'Source/Core/Common/Src/DynamicLibrary.cpp')
| -rw-r--r-- | Source/Core/Common/Src/DynamicLibrary.cpp | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/Source/Core/Common/Src/DynamicLibrary.cpp b/Source/Core/Common/Src/DynamicLibrary.cpp deleted file mode 100644 index 9ffdd04925..0000000000 --- a/Source/Core/Common/Src/DynamicLibrary.cpp +++ /dev/null @@ -1,166 +0,0 @@ -// Copyright (C) 2003 Dolphin Project. - -// 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, version 2.0. - -// 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 2.0 for more details. - -// A copy of the GPL 2.0 should have been included with the program. -// If not, see http://www.gnu.org/licenses/ - -// Official SVN repository and contact information can be found at -// http://code.google.com/p/dolphin-emu/ - -/* - All plugins from Core > Plugins are loaded and unloaded with this class when - Dolpin is started and stopped. -*/ - -#include <string.h> // System -#ifdef _WIN32 -#include <windows.h> -#else -#include <dlfcn.h> -#include <stdio.h> -#endif - -#include "Common.h" // Local -#include "FileUtil.h" -#include "StringUtil.h" -#include "DynamicLibrary.h" - -DynamicLibrary::DynamicLibrary() -{ - library = 0; -} - -// Gets the last dll error as string -const char *DllGetLastError() -{ -#ifdef _WIN32 - return GetLastErrorMsg(); -#else // not win32 - return dlerror(); -#endif // WIN32 -} - -/* Loads the dll with LoadLibrary() or dlopen. This function is called on - start to scan for plugin, and before opening the Config and Debugging - windows. It is also called from core to load the plugins when the - emulation starts. - - Returns 0 on failure and 1 on success - - TODO: think about implementing some sort of cache for the plugin info. -*/ -int DynamicLibrary::Load(const char* filename) -{ - std::string LibraryPath = File::GetPluginsDirectory() + filename; - filename = LibraryPath.c_str(); - - INFO_LOG(COMMON, "DL: Loading dynamic library %s", filename); - - if (!filename || strlen(filename) == 0) { - ERROR_LOG(COMMON, "DL: Missing filename to load"); - return 0; - } - - if (IsLoaded()) { - INFO_LOG(COMMON, "DL: library %s already loaded", filename); - return 1; - } - -#ifdef _WIN32 - library = LoadLibrary(filename); -#elif defined __linux__ - // RTLD_NOW: resolve all symbols on load - // RTLD_LOCAL: don't resolve symbols for other libraries - library = dlopen(filename, RTLD_NOW | RTLD_LOCAL); -#else - library = dlopen(NULL, RTLD_LAZY); -#endif - - DEBUG_LOG(COMMON, "DL: LoadLibrary: %s(%p)", filename, library); - - if (!library) { - ERROR_LOG(COMMON, "DL: Error loading DLL %s: %s", filename, - DllGetLastError()); - return 0; - } - - library_file = filename; - - INFO_LOG(COMMON, "DL: Done loading dynamic library %s", filename); - return 1; -} - -/* Frees one instances of the dynamic library. Note that on most systems use - reference count to decide when to actually remove the library from memory. - - Return 0 on failure and 1 on success -*/ -int DynamicLibrary::Unload() -{ - INFO_LOG(COMMON, "DL: Unloading dynamic library %s", library_file.c_str()); - int retval; - if (!IsLoaded()) { // library != null - ERROR_LOG(COMMON, "DL: Unload failed for %s: not loaded", - library_file.c_str()); - PanicAlert("DL: Unload failed %s: not loaded", - library_file.c_str()); - return 0; - } - - DEBUG_LOG(COMMON, "DL: FreeLibrary: %s %p\n", - library_file.c_str(), library); -#ifdef _WIN32 - retval = FreeLibrary(library); -#else - retval = dlclose(library) ? 0 : 1; -#endif - - if (! retval) { - ERROR_LOG(COMMON, "DL: Unload failed %s: %s", - library_file.c_str(), DllGetLastError()); - } - library = 0; - - INFO_LOG(COMMON, "DL: Done unloading dynamic library %s", - library_file.c_str()); - return retval; -} - -// Returns the address where symbol funcname is loaded or NULL on failure -void* DynamicLibrary::Get(const char* funcname) const -{ - void* retval; - - INFO_LOG(COMMON, "DL: Getting symbol %s: %s", library_file.c_str(), - funcname); - - if (!library) - { - ERROR_LOG(COMMON, "DL: Get failed %s - Library not loaded", funcname); - return NULL; - } - - #ifdef _WIN32 - retval = GetProcAddress(library, funcname); - #else - retval = dlsym(library, funcname); - #endif - - if (!retval) - { - WARN_LOG(COMMON, "DL: Symbol %s missing in %s (error: %s)\n", - funcname, library_file.c_str(), DllGetLastError()); - } - - INFO_LOG(COMMON, "DL: Done getting symbol %s: %s", library_file.c_str(), - funcname); - return retval; -} |