gdb/testsuite/gdb.base/stack-checking.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2008-2019 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   Test file to be compiled with -fstack-check, for testing "bt" against
  20   different stack checking prologue sequences.
  21  */
  22
  23 int i = 0;
  24
  25 void
  26 small_frame ()
  27 {
  28   i++; /* set breakpoint here */
  29 }
  30
  31 void medium_frame ()
  32 {
  33   char S [16384];
  34   small_frame ();
  35 }
  36
  37 void big_frame ()
  38 {
  39 #ifdef __SPU__
  40   char S [131072];
  41 #else
  42   char S [524188];
  43 #endif
  44   small_frame ();
  45 }
  46
  47 void
  48 main ()
  49 {
  50   small_frame ();
  51   medium_frame ();
  52   big_frame ();
  53 }