1 /* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2015-2023 Free Software Foundation, Inc. 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 3 of the License, or 8 (at your option) any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 17 18 #include <dlfcn.h> 19 #include <assert.h> 20 #include <stdlib.h> 21 22 static int 23 test (void) 24 { 25 void *dso; 26 int (*fun) (void); 27 int answer; 28 29 dso = dlopen (DSO_NAME, RTLD_NOW | RTLD_GLOBAL); 30 assert (dso != NULL); 31 32 fun = (int (*) (void)) dlsym (dso, "answer"); 33 assert (fun != NULL); 34 35 answer = fun (); 36 37 dlclose (dso); 38 39 return answer; 40 } 41 42 int 43 main (void) 44 { 45 int answer; 46 47 answer = test (); 48 49 return answer; 50 } 51