gdb/testsuite/gdb.btrace/function_call_history.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2013-2021 Free Software Foundation, Inc.
   4
   5    Contributed by Intel Corp. <christian.himpel@intel.com>
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20 int
  21 inc (int i)
  22 {
  23   return i+1;
  24 }
  25
  26 int
  27 fib (int n)
  28 {
  29   if (n <= 1)
  30     return n;
  31
  32   return fib(n-2) + fib(n-1);
  33 }
  34
  35 int
  36 main (void)
  37 {
  38   int i, j;
  39
  40   for (i = 0; i < 10; i++)
  41     j += inc(i);
  42
  43   j += fib(3); /* bp.1 */
  44   return j; /* bp.2 */
  45 }