/* Take a step return code RC and set up the variables consulted by
sim_stop_reason appropriately. */
void
handle_step (int rc)
{
if (execution_error_get_last_error () != SIM_ERR_NONE)
{
reason = sim_stopped;
siggnal = TARGET_SIGNAL_SEGV;
}
if (RX_STEPPED (rc) || RX_HIT_BREAK (rc))
{
reason = sim_stopped;
siggnal = TARGET_SIGNAL_TRAP;
}
else if (RX_STOPPED (rc))
{
reason = sim_stopped;
siggnal = rx_signal_to_host (RX_STOP_SIG (rc));
}
else
{
assert (RX_EXITED (rc));
reason = sim_exited;
siggnal = RX_EXIT_STATUS (rc);
}
}
int
main (int argc, char **argv)
{
int o;
int save_trace;
bfd *prog;
int rc;
/* By default, we exit when an execution error occurs. */
execution_error_init_standalone ();
while ((o = getopt_long (argc, argv, "tvdeEwi", sim_options, NULL)) != -1)
{
if (o == 'E')
/* Stop processing the command line. This is so that any remaining
words on the command line that look like arguments will be passed
on to the program being simulated. */
break;
if (o >= OPT_ACT)
{
int e, a;
o -= OPT_ACT;
e = o / SIM_ERRACTION_NUM_ACTIONS;
a = o % SIM_ERRACTION_NUM_ACTIONS;
execution_error_set_action (e, a);
}
else switch (o)
{
case 't':
trace++;
break;
case 'v':
verbose++;
break;
case 'd':
disassemble++;
break;
case 'e':
execution_error_init_standalone ();
break;
case 'w':
execution_error_warn_all ();
break;
case 'i':
execution_error_ignore_all ();
break;
case '?':
{
int i;
fprintf (stderr,
"usage: run [options] program [arguments]\n");
fprintf (stderr,
"\t-v\t- increase verbosity.\n"
"\t-t\t- trace.\n"
"\t-d\t- disassemble.\n"
"\t-E\t- stop processing sim args\n"
"\t-e\t- exit on all execution errors.\n"
"\t-w\t- warn (do not exit) on all execution errors.\n"
"\t-i\t- ignore all execution errors.\n");
for (i=0; sim_options[i].name; i++)
fprintf (stderr, "\t--%s\n", sim_options[i].name);
exit (1);
}
}
}
prog = bfd_openr (argv[optind], 0);
if (!prog)
{
fprintf (stderr, "Can't read %s\n", argv[optind]);
exit (1);
}
if (!bfd_check_format (prog, bfd_object))
{
fprintf (stderr, "%s not a rx program\n", argv[optind]);
exit (1);
}
init_regs ();
rx_in_gdb = 0;
save_trace = trace;
trace = 0;
rx_load (prog, NULL);
trace = save_trace;
sim_disasm_init (prog);
enable_counting = verbose;
rc = setjmp (decode_jmp_buf);
if (rc == 0)
{
if (!trace && !disassemble)
{
/* This will longjmp to the above if an exception
happens. */
for (;;)
decode_opcode ();
}
else
while (1)
{
if (trace)
printf ("\n");
if (disassemble)
{
enable_counting = 0;
sim_disasm_one ();
enable_counting = verbose;
}
rc = decode_opcode ();
if (trace)
trace_register_changes ();
}
}
if (RX_HIT_BREAK (rc))
done (1);
else if (RX_EXITED (rc))
done (RX_EXIT_STATUS (rc));
else if (RX_STOPPED (rc))
{
if (verbose)
printf("Stopped on signal %d\n", RX_STOP_SIG (rc));
exit(1);
}
done (0);
exit (0);
}