void
sim_stop_reason (SIM_DESC sd, enum sim_stop *reason, int *sigrc)
{
psim_status status = psim_get_status(simulator);
switch (status.reason) {
case was_continuing:
*reason = sim_stopped;
if (status.signal == 0)
*sigrc = SIGTRAP;
else
*sigrc = status.signal;
break;
case was_trap:
*reason = sim_stopped;
*sigrc = SIGTRAP;
break;
case was_exited:
*reason = sim_exited;
*sigrc = status.signal;
break;
case was_signalled:
*reason = sim_signalled;
*sigrc = status.signal;
break;
}
TRACE(trace_gdb, ("sim_stop_reason(reason=0x%lx(%ld), sigrc=0x%lx(%ld))\n",
(long)reason, (long)*reason, (long)sigrc, (long)*sigrc));
}
int
main(int argc, char **argv)
{
const char *name_of_file;
char *arg_;
psim_status status;
device *root = psim_tree();
/* parse the arguments */
argv = psim_options(root, argv + 1);
if (argv[0] == NULL) {
if (ppc_trace[trace_opts]) {
print_options ();
return 0;
} else {
psim_usage(0, 0);
}
}
name_of_file = argv[0];
if (ppc_trace[trace_opts])
print_options ();
/* create the simulator */
simulation = psim_create(name_of_file, root);
/* fudge the environment so that _=prog-name */
arg_ = (char*)zalloc(strlen(argv[0]) + strlen("_=") + 1);
strcpy(arg_, "_=");
strcat(arg_, argv[0]);
putenv(arg_);
/* initialize it */
psim_init(simulation);
psim_stack(simulation, argv, environ);
{
RETSIGTYPE (*prev) ();
prev = signal(SIGINT, cntrl_c);
psim_run(simulation);
signal(SIGINT, prev);
}
/* any final clean up */
if (ppc_trace[trace_print_info])
psim_print_info (simulation, ppc_trace[trace_print_info]);
/* why did we stop */
status = psim_get_status(simulation);
switch (status.reason) {
case was_continuing:
error("psim: continuing while stopped!\n");
return 0;
case was_trap:
error("psim: no trap insn\n");
return 0;
case was_exited:
return status.signal;
case was_signalled:
printf ("%s: Caught signal %d at address 0x%lx\n",
name_of_file, (int)status.signal,
(long)status.program_counter);
return status.signal;
default:
error("unknown halt condition\n");
return 0;
}
}
