1cdc920a0Smrg/************************************************************************** 2cdc920a0Smrg * 3cdc920a0Smrg * Copyright 2009 VMware, Inc. 4cdc920a0Smrg * Copyright 1999-2008 Brian Paul 5cdc920a0Smrg * All Rights Reserved. 6cdc920a0Smrg * 7cdc920a0Smrg * Permission is hereby granted, free of charge, to any person obtaining a 8cdc920a0Smrg * copy of this software and associated documentation files (the 9cdc920a0Smrg * "Software"), to deal in the Software without restriction, including 10cdc920a0Smrg * without limitation the rights to use, copy, modify, merge, publish, 11cdc920a0Smrg * distribute, sub license, and/or sell copies of the Software, and to 12cdc920a0Smrg * permit persons to whom the Software is furnished to do so, subject to 13cdc920a0Smrg * the following conditions: 14cdc920a0Smrg * 15cdc920a0Smrg * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16cdc920a0Smrg * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17cdc920a0Smrg * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 18cdc920a0Smrg * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, 19cdc920a0Smrg * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 20cdc920a0Smrg * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 21cdc920a0Smrg * USE OR OTHER DEALINGS IN THE SOFTWARE. 22cdc920a0Smrg * 23cdc920a0Smrg * The above copyright notice and this permission notice (including the 24cdc920a0Smrg * next paragraph) shall be included in all copies or substantial portions 25cdc920a0Smrg * of the Software. 26cdc920a0Smrg * 27cdc920a0Smrg **************************************************************************/ 28cdc920a0Smrg 29cdc920a0Smrg 30cdc920a0Smrg#include "pipe/p_config.h" 31cdc920a0Smrg#include "pipe/p_compiler.h" 32cdc920a0Smrg 33cdc920a0Smrg#if defined(PIPE_OS_UNIX) 34cdc920a0Smrg#include <dlfcn.h> 35cdc920a0Smrg#endif 36cdc920a0Smrg#if defined(PIPE_OS_WINDOWS) 37cdc920a0Smrg#include <windows.h> 38cdc920a0Smrg#endif 39cdc920a0Smrg 40cdc920a0Smrg#include "u_dl.h" 413464ebd5Sriastradh#include "u_pointer.h" 42cdc920a0Smrg 43cdc920a0Smrg 44cdc920a0Smrgstruct util_dl_library * 45cdc920a0Smrgutil_dl_open(const char *filename) 46cdc920a0Smrg{ 47cdc920a0Smrg#if defined(PIPE_OS_UNIX) 4801e04c3fSmrg return (struct util_dl_library *)dlopen(filename, RTLD_LAZY | RTLD_LOCAL); 49cdc920a0Smrg#elif defined(PIPE_OS_WINDOWS) 50cdc920a0Smrg return (struct util_dl_library *)LoadLibraryA(filename); 51cdc920a0Smrg#else 52cdc920a0Smrg return NULL; 53cdc920a0Smrg#endif 54cdc920a0Smrg} 55cdc920a0Smrg 56cdc920a0Smrg 57cdc920a0Smrgutil_dl_proc 58cdc920a0Smrgutil_dl_get_proc_address(struct util_dl_library *library, 59cdc920a0Smrg const char *procname) 60cdc920a0Smrg{ 61cdc920a0Smrg#if defined(PIPE_OS_UNIX) 623464ebd5Sriastradh return (util_dl_proc) pointer_to_func(dlsym((void *)library, procname)); 63cdc920a0Smrg#elif defined(PIPE_OS_WINDOWS) 64cdc920a0Smrg return (util_dl_proc)GetProcAddress((HMODULE)library, procname); 65cdc920a0Smrg#else 66cdc920a0Smrg return (util_dl_proc)NULL; 67cdc920a0Smrg#endif 68cdc920a0Smrg} 69cdc920a0Smrg 70cdc920a0Smrg 71cdc920a0Smrgvoid 72cdc920a0Smrgutil_dl_close(struct util_dl_library *library) 73cdc920a0Smrg{ 74cdc920a0Smrg#if defined(PIPE_OS_UNIX) 75cdc920a0Smrg dlclose((void *)library); 76cdc920a0Smrg#elif defined(PIPE_OS_WINDOWS) 77cdc920a0Smrg FreeLibrary((HMODULE)library); 78cdc920a0Smrg#else 79cdc920a0Smrg (void)library; 80cdc920a0Smrg#endif 81cdc920a0Smrg} 823464ebd5Sriastradh 833464ebd5Sriastradh 843464ebd5Sriastradhconst char * 853464ebd5Sriastradhutil_dl_error(void) 863464ebd5Sriastradh{ 873464ebd5Sriastradh#if defined(PIPE_OS_UNIX) 883464ebd5Sriastradh return dlerror(); 893464ebd5Sriastradh#elif defined(PIPE_OS_WINDOWS) 903464ebd5Sriastradh return "unknown error"; 913464ebd5Sriastradh#else 923464ebd5Sriastradh return "unknown error"; 933464ebd5Sriastradh#endif 943464ebd5Sriastradh} 95