gdb/testsuite/gdb.base/info-shared.c

   1 /* Copyright 2012-2019 Free Software Foundation, Inc.
   2
   3    This program is free software; you can redistribute it and/or modify
   4    it under the terms of the GNU General Public License as published by
   5    the Free Software Foundation; either version 3 of the License, or
   6    (at your option) any later version.
   7
   8    This program is distributed in the hope that it will be useful,
   9    but WITHOUT ANY WARRANTY; without even the implied warranty of
  10    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11    GNU General Public License for more details.
  12
  13    You should have received a copy of the GNU General Public License
  14    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  15
  16 #include <dlfcn.h>
  17 #include <assert.h>
  18 #include <stddef.h>
  19
  20 void
  21 stop (void)
  22 {
  23 }
  24
  25 int
  26 main (void)
  27 {
  28   void *handle1, *handle2;
  29   void (*func)(int);
  30
  31   handle1 = dlopen (SHLIB1_NAME, RTLD_LAZY);
  32   assert (handle1 != NULL);
  33   stop ();
  34
  35   handle2 = dlopen (SHLIB2_NAME, RTLD_LAZY);
  36   assert (handle2 != NULL);
  37   stop ();
  38
  39   func = (void (*)(int)) dlsym (handle1, "foo");
  40   func (1);
  41
  42   func = (void (*)(int)) dlsym (handle2, "bar");
  43   func (2);
  44
  45   dlclose (handle1);
  46   stop ();
  47
  48   dlclose (handle2);
  49   stop ();
  50
  51   return 0;
  52 }