gdb/testsuite/gdb.dwarf2/watch-notconst.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2010-2019 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 /* This program will be compiled with watch-notconst2.S in order to generate a
  19    single binary.
  20
  21    The purpose of this test is to see if GDB can still watch the
  22    variable `x' (define in watch-notconst2.c:f) even when we compile
  23    the program using -O2 optimization.  */
  24
  25 int
  26 g (int j)
  27 {
  28   int l = j + 2;
  29   return l;
  30 }
  31
  32 extern int f (int i);
  33
  34 int
  35 main (int argc, char **argv)
  36 {
  37   f (1);
  38   return 0;
  39 }