// // DynamicLibrary.cpp // OpenSpades // // Created by yvt on 7/14/13. // Copyright (c) 2013 yvt.jp. All rights reserved. // #ifdef WIN32 #include "DynamicLibrary.h" #include "Exception.h" #include #include "Debug.h" namespace spades { DynamicLibrary::DynamicLibrary(const char *fn){ SPADES_MARK_FUNCTION(); name = fn; handle = (void *)LoadLibrary(fn); if(handle == NULL){ DWORD err = GetLastError(); SPRaise("Failed to dlload '%s': 0x%08x", fn, (int)err); } } DynamicLibrary::~DynamicLibrary() { SPADES_MARK_FUNCTION(); FreeLibrary((HINSTANCE)handle); } void *DynamicLibrary::GetSymbolOrNull(const char *name){ SPADES_MARK_FUNCTION(); void *addr = (void*)GetProcAddress((HINSTANCE)handle, name); return addr; } void *DynamicLibrary::GetSymbol(const char *sname){ SPADES_MARK_FUNCTION(); void *v = GetSymbolOrNull(sname); if(v == NULL){ DWORD err = GetLastError(); SPRaise("Failed to find symbol '%s' in %s: 0x%08x", sname, name.c_str(), err); } return v; } } #else #include "DynamicLibrary.h" #include "Exception.h" #include #include "Debug.h" namespace spades { DynamicLibrary::DynamicLibrary(const char *fn){ SPADES_MARK_FUNCTION(); name = fn; handle = dlopen(fn, RTLD_LAZY); if(handle == NULL){ std::string err = dlerror(); SPRaise("Failed to dlload '%s': %s", fn, err.c_str()); } } DynamicLibrary::~DynamicLibrary() { SPADES_MARK_FUNCTION(); dlclose(handle); } void *DynamicLibrary::GetSymbolOrNull(const char *name){ SPADES_MARK_FUNCTION(); void *addr = dlsym(handle, name); return addr; } void *DynamicLibrary::GetSymbol(const char *sname){ SPADES_MARK_FUNCTION(); void *v = GetSymbolOrNull(sname); if(v == NULL){ std::string err = dlerror(); SPRaise("Failed to find symbol '%s' in %s: %s", sname, name.c_str(), err.c_str()); } return v; } } #endif