gdb/testsuite/gdb.base/step-indirect-call-thunk.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2018-2021 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 */
  19
  20 static int
  21 inc (int x)
  22 {                /* inc.1 */
  23   return x + 1;  /* inc.2 */
  24 }                /* inc.3 */
  25
  26 static int
  27 thrice (int (*op)(int), int x)
  28 {                 /* thrice.1 */
  29   x = op (x);     /* thrice.2 */
  30   x = op (x);     /* thrice.3 */
  31   return op (x);  /* thrice.4 */
  32 }                 /* thrice.5 */
  33
  34 int
  35 main ()
  36 {
  37   int x;
  38
  39   x = thrice (inc, 40);
  40
  41   return x;
  42 }