old-cross-binutils/sim/w65/run.c

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1995-01-16 00:53:05 +00:00
/* 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 GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/* Steve Chamberlain
sac@cygnus.com */
#include <stdio.h>
#include "bfd.h"
#include "sysdep.h"
extern printf();
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 = "";
for (i = 1; i < ac; i++)
{
if (strcmp (av[i], "-v") == 0)
{
verbose = 1;
}
else if (strcmp (av[i], "-t") == 0)
{
trace = 1;
}
else
{
name = av[i];
}
}
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);
return b[3];
}
}
}
return 1;
}