gdb/testsuite/gdb.base/gdb1090.c

   1 /* Test program for multi-register variable.
   2    Copyright 2003, 2007 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 2 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, write to the Free Software
  18    Foundation, Inc., 59 Temple Place - Suite 330,
  19    Boston, MA 02111-1307, USA.
  20
  21    This file was written by Michael Elizabeth Chastain (mec@shout.net).  */
  22
  23 struct s_2_by_4
  24 {
  25   int field_0;
  26   int field_1;
  27 };
  28
  29 void marker (struct s_2_by_4 s_whatever)
  30 {
  31   s_whatever = s_whatever;
  32   return;
  33 }
  34
  35 void foo ()
  36 {
  37   /* I want this variable in a register but I can't really force it */
  38   register struct s_2_by_4 s24;
  39   s24.field_0 = 1170;
  40   s24.field_1 = 64701;
  41   marker (s24);
  42   return;
  43 }
  44
  45 int main ()
  46 {
  47   foo ();
  48 }