gdb1090.c

来自「这个是LINUX下的GDB调度工具的源码」· C语言 代码 · 共 49 行

/* Test program for multi-register variable.
   Copyright 2003 Free Software Foundation, Inc.

   This file is part of the gdb testsuite.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.
 
   This file was written by Michael Elizabeth Chastain ([e-mail]).  */

struct s_2_by_4
{
  int field_0;
  int field_1;
};

void marker (struct s_2_by_4 s_whatever)
{
  s_whatever = s_whatever;
  return;
}

void foo ()
{
  /* I want this variable in a register but I can't really force it */
  register struct s_2_by_4 s24;
  s24.field_0 = 1170;
  s24.field_1 = 64701;
  marker (s24);
  return;
}

int main ()
{
  foo ();
}