gdb/testsuite/gdb.base/execl-update-breakpoints.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2014-2016 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 <unistd.h>
  19 #include <stdio.h>
  20 #include <stdlib.h>
  21 #include <string.h>
  22
  23 void
  24 some_function (void)
  25 {
  26 }
  27
  28 int
  29 main (int argc, char **argv)
  30 {
  31   size_t len;
  32   char *bin;
  33
  34   len = strlen (argv[0]);
  35   bin = malloc (len + 1);
  36   memcpy (bin, argv[0], len + 1);
  37   if (bin[len - 1] == '1')
  38     bin[len - 1] = '2';
  39
  40   execl (bin, bin, (char *) NULL);
  41   perror ("execl failed");
  42   some_function ();
  43   exit (1);
  44 }