00001 /******************************************************************************* 00002 * Copyright (C) 2004 Vintela, Inc. All rights reserved. 00003 * Copyright (C) 2005 Novell, Inc. All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions are met: 00007 * 00008 * - Redistributions of source code must retain the above copyright notice, 00009 * this list of conditions and the following disclaimer. 00010 * 00011 * - Redistributions in binary form must reproduce the above copyright notice, 00012 * this list of conditions and the following disclaimer in the documentation 00013 * and/or other materials provided with the distribution. 00014 * 00015 * - Neither the name of Vintela, Inc., Novell, Inc., nor the names of its 00016 * contributors may be used to endorse or promote products derived from this 00017 * software without specific prior written permission. 00018 * 00019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' 00020 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00021 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00022 * ARE DISCLAIMED. IN NO EVENT SHALL Vintela, Inc., Novell, Inc., OR THE 00023 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00024 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 00025 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 00026 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 00027 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 00028 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 00029 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00030 *******************************************************************************/ 00031 00032 00037 #include "blocxx/BLOCXX_config.h" 00038 #if defined(BLOCXX_USE_DYLD) 00039 #include "blocxx/dyldSharedLibrary.hpp" 00040 00041 #include <mach-o/dyld.h> 00042 00043 namespace BLOCXX_NAMESPACE 00044 { 00045 00046 dyldSharedLibrary::~dyldSharedLibrary() 00047 { 00048 NSUnLinkModule(m_libhandle, NSUNLINKMODULE_OPTION_NONE); 00049 } 00050 bool dyldSharedLibrary::doGetFunctionPointer(const String& functionName, 00051 void** fp) const 00052 { 00053 void *retval = NULL; 00054 NSSymbol symbol; 00055 String arg = '_' + functionName; 00056 symbol = NSLookupSymbolInModule(m_libhandle, arg.c_str()); 00057 if (symbol == NULL) 00058 { 00059 return false; 00060 } 00061 retval = NSAddressOfSymbol(symbol); 00062 if (retval == NULL) 00063 { 00064 return false; 00065 } 00066 *fp = retval; 00067 return true; 00068 } 00069 00070 } // end namespace BLOCXX_NAMESPACE 00071 00072 #endif // BLOCXX_USE_DYLD