gdb/testsuite/gdb.perf/skip-prologue.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright (C) 2013-2019 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 /* GDB will analyze the prologue of functions f1 and f2.  */
  19
  20 struct foo
  21 {
  22   int a[32];
  23 };
  24
  25 static int
  26 f1 (void)
  27 {
  28   return 0;
  29 }
  30
  31 static double
  32 f2 (int a, long long b, double c, struct foo f)
  33 {
  34   f.a[0] = a + (int) b + c;
  35
  36   return c + 0.2;
  37 }
  38
  39 int
  40 main (void)
  41 {
  42   struct foo f;
  43
  44   f1 ();
  45   f2 (0, 0, 0.1, f);
  46
  47   return 0;
  48 }