1 /* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2011-2023 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 <stdio.h> 19 #include <dlfcn.h> 20 #include "change-loc.h" 21 22 extern void func (int x); 23 24 static void 25 marker () {} 26 27 int main() 28 { 29 const char *libname = "change-loc-2.sl"; 30 void *h; 31 int (*p_func) (int); 32 33 func (3); 34 35 func4 (); 36 37 marker (); 38 39 h = dlopen (libname, RTLD_LAZY); 40 if (h == NULL) return 1; 41 42 p_func = dlsym (h, "func2"); 43 if (p_func == NULL) return 2; 44 45 (*p_func) (4); 46 47 marker (); 48 49 dlclose (h); 50 51 marker (); 52 return 0; 53 } 54