elf/tst-audit12.c

   1 /* Test that symbol is bound to a DSO replaced by la_objsearch.
   2    Copyright (C) 2015-2020 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library 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 GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <dlfcn.h>
  20 #include <stdio.h>
  21
  22 int
  23 do_test (void)
  24 {
  25   puts ("Start");
  26   void *h = dlopen ("$ORIGIN/tst-audit12mod1.so", RTLD_LAZY);
  27   if (h == NULL)
  28     {
  29       printf ("module not loaded: %s\n", dlerror ());
  30       return 1;
  31     }
  32   int (*fp) (void) = (int (*) (void)) dlsym (h, "f1");
  33   if (fp == NULL)
  34     {
  35       printf ("function f1 not found: %s\n", dlerror ());
  36       return 1;
  37     }
  38   int res = fp ();
  39   if (res != 43)
  40     {
  41       puts ("incorrect function f2 called");
  42       return 1;
  43     }
  44   printf ("%d is OK\n", res);
  45   return 0;
  46 }
  47
  48 #include <support/test-driver.c>