gdb/testsuite/gdb.base/infcall-failure.c

   1 /* Copyright 2022-2024 Free Software Foundation, Inc.
   2
   3    This file is part of GDB.
   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 /* A function that segfaults (assuming that reads of address zero are
  19    prohibited), this is used from within a breakpoint condition.  */
  20 int
  21 func_segfault ()
  22 {
  23   volatile int *p = 0;
  24   return *p;    /* Segfault here.  */
  25 }
  26
  27 /* A function in which we will place a breakpoint.  This function is itself
  28    then used from within a breakpoint condition.  */
  29 int
  30 func_bp ()
  31 {
  32   int res = 0;  /* Second breakpoint.  */
  33   return res;
  34 }
  35
  36 int
  37 foo ()
  38 {
  39   return 0;     /* First breakpoint.  */
  40 }
  41
  42 int
  43 main ()
  44 {
  45   int res = foo ();
  46
  47   return res;
  48 }