NetBSD/gnu/dist/sim/arm/run.c

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/* run front end support for ARM
Copyright (C) 1996 Free Software Foundation, Inc.
This file is part of ARM 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 <stdio.h>
#include <varargs.h>
#include "bfd.h"
#include "getopt.h"
#include "remote-sim.h"
static void usage();
int target_byte_order;
int
main (ac, av)
int ac;
char **av;
{
bfd *abfd;
bfd_vma start_address;
asection *s;
int i;
int trace = 0;
int verbose = 0;
char *name;
while ((i = getopt (ac, av, "m:p:s:tv")) != EOF)
switch (i)
{
case 'm':
arm_sim_set_mem_size (atoi (optarg));
break;
case 'p': /* FIXME: unused */
arm_sim_set_profile (atoi (optarg));
break;
case 's': /* FIXME: unused */
arm_sim_set_profile_size (atoi (optarg));
break;
case 't':
trace = 1;
break;
case 'v':
verbose = 1;
arm_sim_set_verbosity (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, 0);
if (abfd)
{
if (bfd_check_format (abfd, bfd_object))
{
for (s = abfd->sections; s; s = s->next)
{
if (s->flags & SEC_LOAD)
{
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_create_inferior (start_address, NULL, NULL);
target_byte_order = bfd_big_endian (abfd) ? 4321 : 1234;
if (trace)
{
int done = 0;
while (!done)
{
done = sim_trace ();
}
}
else
{
sim_resume (0, 0);
}
if (verbose)
sim_info (0);
/* Assume we left through the exit system call,
in which case r0 has the exit code */
/* FIXME: byte order dependent? */
{
unsigned char b[4];
sim_fetch_register (0, b);
return b[0];
}
}
}
return 1;
}
static void
usage()
{
fprintf (stderr, "usage: run [-tv] program\n");
exit (1);
}
/* Callbacks used by the simulator proper. */
void
printf_filtered (va_alist)
va_dcl
{
va_list args;
char *format;
va_start (args);
format = va_arg (args, char *);
vfprintf (stdout, format, args);
va_end (args);
}