1 /* Platform independent shared object routines for GDB. 2 3 Copyright (C) 2011-2013 Free Software Foundation, Inc. 4 5 This file is part of GDB. 6 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3 of the License, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 19 20 #ifndef GDB_DLFCN_H 21 #define GDB_DLFCN_H 22 23 #include "defs.h" 24 25 /* Load the dynamic library file named FILENAME, and return a handle 26 for that dynamic library. Return NULL if the loading fails for any 27 reason. */ 28 29 void *gdb_dlopen (const char *filename); 30 31 /* Return the address of the symbol named SYMBOL inside the shared 32 library whose handle is HANDLE. Return NULL when the symbol could 33 not be found. */ 34 35 void *gdb_dlsym (void *handle, const char *symbol); 36 37 /* Install a cleanup routine which closes the handle HANDLE. */ 38 39 struct cleanup *make_cleanup_dlclose (void *handle); 40 41 /* Cleanup the shared object pointed to by HANDLE. Return 0 on success 42 and nonzero on failure. */ 43 44 int gdb_dlclose (void *handle); 45 46 /* Return non-zero if the dynamic library functions are available on 47 this platform. */ 48 49 int is_dl_available(void); 50 51 #endif /* GDB_DLFCN_H */ 52