void mon_breakpoint_delete_checkpoint(int brknum)
{
int i;
breakpoint_t *bp = NULL;
MEMSPACE mem;
if (brknum == -1) {
/* Add user confirmation here. */
mon_out("Deleting all breakpoints\n");
for (i = 1; i < breakpoint_count; i++) {
bp = find_checkpoint(i);
if (bp)
mon_breakpoint_delete_checkpoint(i);
}
}
else if (!(bp = find_checkpoint(brknum))) {
mon_out("#%d not a valid breakpoint\n", brknum);
return;
} else {
mem = addr_memspace(bp->start_addr);
if (!(bp->watch_load) && !(bp->watch_store)) {
remove_checkpoint_from_list(&(breakpoints[mem]), bp);
if (!any_breakpoints(mem)) {
monitor_mask[mem] &= ~MI_BREAK;
if (!monitor_mask[mem])
interrupt_monitor_trap_off(mon_interfaces[mem]->int_status); }
} else {
if (bp->watch_load)
remove_checkpoint_from_list(&(watchpoints_load[mem]), bp);
if (bp->watch_store)
remove_checkpoint_from_list(&(watchpoints_store[mem]), bp);
if (!any_watchpoints(mem)) {
monitor_mask[mem] &= ~MI_WATCH;
mon_interfaces[mem]->toggle_watchpoints_func(0,
mon_interfaces[mem]->context);
if (!monitor_mask[mem])
interrupt_monitor_trap_off(mon_interfaces[mem]->int_status); }
}
}
if (bp != NULL) {
mon_delete_conditional(bp->condition);
if (bp->command)
lib_free(bp->command);
}
}
static void update_checkpoint_state(MEMSPACE mem)
{
if (watchpoints_load[mem] != NULL || watchpoints_store[mem] != NULL) {
monitor_mask[mem] |= MI_WATCH;
mon_interfaces[mem]->toggle_watchpoints_func(
1, mon_interfaces[mem]->context);
} else {
monitor_mask[mem] &= ~MI_WATCH;
mon_interfaces[mem]->toggle_watchpoints_func(
0, mon_interfaces[mem]->context);
}
if (breakpoints[mem] != NULL) {
monitor_mask[mem] |= MI_BREAK;
} else {
monitor_mask[mem] &= ~MI_BREAK;
}
if (monitor_mask[mem]) {
interrupt_monitor_trap_on(mon_interfaces[mem]->int_status);
} else {
interrupt_monitor_trap_off(mon_interfaces[mem]->int_status);
}
}
