gdb/testsuite/gdb.base/code_elim1.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2010-2022 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 int my_global_symbol = 42;
  19
  20 /* Symbol MY_BSS_SYMBOL is referenced, and should be placed into .bss
  21    section.  */
  22
  23 static int my_bss_symbol;
  24
  25 /* Symbol MY_STATIC_SYMBOL is never referenced and so will be eliminated.  */
  26
  27 static int my_static_symbol;
  28
  29 int
  30 main ()
  31 {
  32   int v_in_main;
  33
  34   return v_in_main + my_bss_symbol;
  35 }
  36
  37 int
  38 my_global_func ()
  39 {
  40   int v_in_global_func;
  41
  42   return v_in_global_func;
  43 }