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

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2015 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 <stdio.h>
  20 #include <unistd.h>
  21 #include <signal.h>
  22 #include <string.h>
  23
  24 /* The following defines must correspond to solib-mismatch.exp .  */
  25
  26 /* DIRNAME and LIB must be defined at compile time.  */
  27 #ifndef DIRNAME
  28 # error DIRNAME not defined
  29 #endif
  30 #ifndef LIB
  31 # error LIB not defined
  32 #endif
  33
  34 int
  35 main (int argc, char *argv[])
  36 {
  37   void *h;
  38   int (*foo) (void);
  39
  40   if (chdir (DIRNAME) != 0)
  41     {
  42       printf ("ERROR - Could not cd to %s\n", DIRNAME);
  43       return 1;
  44     }
  45
  46   h = dlopen (LIB, RTLD_NOW);
  47
  48   if (h == NULL)
  49     {
  50       printf ("ERROR - could not open lib %s\n", LIB);
  51       return 1;
  52     }
  53   foo = dlsym (h, "foo"); /* set breakpoint 1 here */
  54   dlclose (h);
  55   return 0;
  56 }