gdb/testsuite/gdb.python/py-unwind-inline.c

   1 /* Copyright 2019-2022 Free Software Foundation, Inc.
   2
   3    This program is free software; you can redistribute it and/or modify
   4    it under the terms of the GNU General Public License as published by
   5    the Free Software Foundation; either version 3 of the License, or
   6    (at your option) any later version.
   7
   8    This program is distributed in the hope that it will be useful,
   9    but WITHOUT ANY WARRANTY; without even the implied warranty of
  10    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11    GNU General Public License for more details.
  12
  13    You should have received a copy of the GNU General Public License
  14    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  15
  16 volatile int global_var;
  17
  18 int  __attribute__ ((noinline))
  19 bar ()
  20 {
  21   return global_var;
  22 }
  23
  24 static inline int __attribute__ ((always_inline))
  25 foo ()
  26 {
  27   return bar ();
  28 }
  29
  30 int
  31 main ()
  32 {
  33   int ans;
  34   global_var = 0;
  35   ans = foo ();
  36   return ans;
  37 }