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

   1 /* Copyright (C) 2008-2023 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 z = 0;
  27 volatile int result;
  28 volatile int *array_p;
  29
  30 void bar(void);
  31
  32 void
  33 init_array (int *array, int n)
  34 {
  35   int i;
  36   for (i = 0; i < n; ++i)
  37     array[i] = 0;
  38 }
  39
  40 inline ATTR int func1(int arg1)
  41 {
  42   int array[64];
  43   init_array (array, 64);
  44   array_p = array;
  45   array[0] = result;
  46   array[1] = arg1;
  47   bar ();
  48   return x * y + array_p[0] * arg1;
  49 }
  50
  51 inline ATTR int func2(int arg2)
  52 {
  53   return x * func1 (arg2);
  54 }
  55
  56 inline ATTR
  57 void
  58 scoped (int s)
  59 {
  60   int loc1 = 10;
  61   if (s > 0)
  62     {
  63       int loc2 = 20;
  64       s++; /* bp for locals 1 */
  65       if (s > 1)
  66         {
  67           int loc3 = 30;
  68           s++; /* bp for locals 2 */
  69         }
  70     }
  71   s++; /* bp for locals 3 */
  72 }
  73
  74 int main (void)
  75 {
  76   int val;
  77
  78   x = 7;
  79   y = 8;
  80   bar ();
  81
  82   val = func1 (result);
  83   result = val;
  84
  85   val = func2 (result);
  86   result = val;
  87
  88   scoped (40);
  89
  90   return 0;
  91 }