void
sim_resume (SIM_DESC sd, int step, int sig_to_deliver)
{
int rc;
check_desc (sd);
if (sig_to_deliver != 0)
{
fprintf (stderr,
"Warning: the rl78 minisim does not implement "
"signal delivery yet.\n" "Resuming with no signal.\n");
}
/* We don't clear 'stop' here, because then we would miss
interrupts that arrived on the way here. Instead, we clear
the flag in sim_stop_reason, after GDB has disabled the
interrupt signal handler. */
for (;;)
{
if (stop)
{
stop = 0;
reason = sim_stopped;
siggnal = GDB_SIGNAL_INT;
break;
}
if (hw_breakpoints[pc >> 3]
&& (hw_breakpoints[pc >> 3] & (1 << (pc & 0x7))))
{
reason = sim_stopped;
siggnal = GDB_SIGNAL_TRAP;
break;
}
rc = setjmp (decode_jmp_buf);
if (rc == 0)
rc = decode_opcode ();
if (!RL78_STEPPED (rc) || step)
{
handle_step (rc);
break;
}
}
}
void
handle_step (int rc)
{
if (RL78_STEPPED (rc) || RL78_HIT_BREAK (rc))
{
reason = sim_stopped;
siggnal = GDB_SIGNAL_TRAP;
}
else if (RL78_STOPPED (rc))
{
reason = sim_stopped;
siggnal = rl78_signal_to_target (RL78_STOP_SIG (rc));
}
else
{
assert (RL78_EXITED (rc));
reason = sim_exited;
siggnal = RL78_EXIT_STATUS (rc);
}
}