gdb/testsuite/gdb.base/solib-disc.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2007-2023 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 <stdlib.h>
  20
  21 #ifdef __WIN32__
  22 #include <windows.h>
  23 #define dlopen(name, mode) LoadLibrary (name)
  24 #define dlsym(handle, func) GetProcAddress (handle, func)
  25 #define dlclose(handle) FreeLibrary (handle)
  26 #define dlerror() "an error occurred"
  27 #else
  28 #include <dlfcn.h>
  29 #endif
  30
  31 int main()
  32 {
  33   void *handle;
  34   void (*func) (void);
  35
  36   handle = dlopen (SHLIB_NAME, RTLD_LAZY);
  37   if (!handle)
  38     {
  39       fprintf (stderr, "%s\n", dlerror ());
  40       exit (1);
  41     }
  42
  43   func = (void (*)(void)) dlsym (handle, "shrfunc");
  44   if (!func)
  45     {
  46       fprintf (stderr, "%s\n", dlerror ());
  47       exit (1);
  48     }
  49
  50   func ();
  51
  52   dlclose (handle);
  53
  54   return 0;
  55 }