gdb/testsuite/gdb.trace/change-loc.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2011-2013 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 }