binutils-gdb/sim/w65/run.c
1999-04-16 01:35:26 +00:00

132 lines
2.4 KiB
C

/* run front end support for W65
Copyright (C) 1995 Free Software Foundation, Inc.
This file is part of W65 SIM
GNU CC 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, or (at your option)
any later version.
GNU CC 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. */
/* Steve Chamberlain
sac@cygnus.com */
#include "config.h"
#include <stdio.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#include "getopt.h"
#include "bfd.h"
#ifdef NEED_DECLARATION_PRINTF
extern int printf ();
#endif
void usage();
extern int optind;
int
main (ac, av)
int ac;
char **av;
{
bfd *abfd;
bfd_vma start_address;
asection *s;
int i;
int verbose = 0;
int trace = 0;
char *name = "";
while ((i = getopt (ac, av, "tv")) != EOF)
switch (i)
{
case 't':
trace = 1;
break;
case 'v':
verbose = 1;
break;
default:
usage();
}
ac -= optind;
av += optind;
if (ac != 1)
usage();
name = *av;
if (verbose)
{
printf ("run %s\n", name);
}
abfd = bfd_openr (name, "coff-w65");
if (abfd)
{
if (bfd_check_format (abfd, bfd_object))
{
for (s = abfd->sections; s; s = s->next)
{
unsigned char *buffer = malloc (bfd_section_size (abfd, s));
bfd_get_section_contents (abfd,
s,
buffer,
0,
bfd_section_size (abfd, s));
sim_write (s->vma, buffer, bfd_section_size (abfd, s));
free (buffer);
}
start_address = bfd_get_start_address (abfd);
sim_set_pc (start_address);
if (trace)
{
int done = 0;
while (!done)
{
done = sim_trace ();
}
}
else
{
sim_resume (0, 0);
}
if (verbose)
sim_info (printf, 0);
/* Find out what was in r0 and return that */
{
unsigned char b[4];
sim_fetch_register(0, b, 4);
return b[3];
}
}
}
return 1;
}
void
usage()
{
fprintf (stderr, "usage: run [-tv] program\n");
exit (1);
}