gdb/testsuite/gdb.opt/inline-bt.c

   1 /* Copyright (C) 2008-2013 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 /* This is only ever run if it is compiled with a new-enough GCC, but
  17    we don't want the compilation to fail if compiled by some other
  18    compiler.  */
  19 #ifdef __GNUC__
  20 #define ATTR __attribute__((always_inline))
  21 #else
  22 #define ATTR
  23 #endif
  24
  25 int x, y;
  26 volatile int result;
  27
  28 void bar(void);
  29
  30 inline ATTR int func1(void)
  31 {
  32   bar ();
  33   return x * y;
  34 }
  35
  36 inline ATTR int func2(void)
  37 {
  38   return x * func1 ();
  39 }
  40
  41 int main (void)
  42 {
  43   int val;
  44
  45   x = 7;
  46   y = 8;
  47   bar ();
  48
  49   val = func1 ();
  50   result = val;
  51
  52   val = func2 ();
  53   result = val;
  54
  55   return 0;
  56 }