gdb/testsuite/gdb.base/gdb1090.c

   1 /* Test program for multi-register variable.
   2    Copyright 2003, 2007, 2008, 2009 Free Software Foundation, Inc.
   3
   4    This file is part of the gdb testsuite.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18
  19    This file was written by Michael Elizabeth Chastain (mec@shout.net).  */
  20
  21 struct s_2_by_4
  22 {
  23   int field_0;
  24   int field_1;
  25 };
  26
  27 void marker (struct s_2_by_4 s_whatever)
  28 {
  29   s_whatever = s_whatever;
  30   return;
  31 }
  32
  33 void foo ()
  34 {
  35   /* I want this variable in a register but I can't really force it */
  36   register struct s_2_by_4 s24;
  37   s24.field_0 = 1170;
  38   s24.field_1 = 64701;
  39   marker (s24);
  40   return;
  41 }
  42
  43 int main ()
  44 {
  45   foo ();
  46 }