gdb/testsuite/gdb.base/prologue.c

   1 /* This test is part of GDB, the GNU debugger.
   2
   3    Copyright 2007-2024 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 leaf (void)
  19 {
  20   return 1;
  21 }
  22
  23 #ifdef __cplusplus
  24 /* So that the alias attribute below work without having to figure out
  25    this function's mangled name.  */
  26 int marker (int val) asm ("marker");
  27 #endif
  28
  29 int marker (int val)
  30 {
  31   leaf ();
  32   return leaf () * val;
  33 }
  34
  35 int other (int val) __attribute__((alias("marker")));
  36
  37 int main(void)
  38 {
  39   marker (0);
  40   marker (0);
  41
  42   return 0;
  43 }