SIM_DESC
sim_open (SIM_OPEN_KIND kind,
host_callback *callback,
struct bfd *abfd,
char **argv)
{
callbacks = callback;
/* Note: The simulation is not created by sim_open() because
complete information is not yet available */
/* trace the call */
TRACE(trace_gdb, ("sim_open called\n"));
if (root_device != NULL)
sim_io_printf_filtered("Warning - re-open of simulator leaks memory\n");
root_device = psim_tree();
simulator = NULL;
psim_options(root_device, argv + 1);
if (ppc_trace[trace_opts])
print_options ();
/* fudge our descriptor for now */
return (SIM_DESC) 1;
}
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;
}
}
