void
db_delete_all_breakpoints(
task_t task)
{
register db_breakpoint_t bkpt;
bkpt = db_breakpoint_list;
while ( bkpt != 0 ) {
if (bkpt->task == task ||
(task != TASK_NULL && (bkpt->flags & BKPT_USR_GLOBAL))) {
db_delete_breakpoint(task, bkpt->address, 0);
bkpt = db_breakpoint_list;
}
else
bkpt = bkpt->link;
}
}
/* Delete breakpoint */
void
db_delete_cmd(void)
{
register int n;
thread_act_t thr_act;
vm_offset_t task_thd;
boolean_t user_global = FALSE;
boolean_t task_bpt = FALSE;
boolean_t user_space = FALSE;
boolean_t thd_bpt = FALSE;
db_expr_t addr;
int t;
t = db_read_token();
if (t == tSLASH) {
t = db_read_token();
if (t != tIDENT) {
db_printf("Bad modifier \"%s\"\n", db_tok_string);
db_error(0);
}
user_global = db_option(db_tok_string, 'U');
user_space = (user_global)? TRUE: db_option(db_tok_string, 'u');
task_bpt = db_option(db_tok_string, 'T');
thd_bpt = db_option(db_tok_string, 't');
if (task_bpt && user_global)
db_error("Cannot specify both 'T' and 'U' option\n");
t = db_read_token();
}
if ( t == tSTAR ) {
db_printf("Delete ALL breakpoints\n");
db_delete_all_breakpoints( (task_t)task_bpt );
return;
}
if (t == tHASH) {
db_thread_breakpoint_t tbp;
db_breakpoint_t bkpt;
if (db_read_token() != tNUMBER) {
db_printf("Bad break point number #%s\n", db_tok_string);
db_error(0);
}
if ((tbp = db_find_breakpoint_number(db_tok_number, &bkpt)) == 0) {
db_printf("No such break point #%d\n", db_tok_number);
db_error(0);
}
db_delete_breakpoint(bkpt->task, bkpt->address, tbp->tb_task_thd);
return;
}
db_unread_token(t);
if (!db_expression(&addr)) {
/*
* We attempt to pick up the user_space indication from db_dot,
* so that a plain "d" always works.
*/
addr = (db_expr_t)db_dot;
if (!user_space && !DB_VALID_ADDRESS(addr, FALSE))
user_space = TRUE;
}
if (!DB_VALID_ADDRESS(addr, user_space)) {
db_printf("Address %#X is not in %s space\n", addr,
(user_space)? "user": "******");
db_error(0);
}
if (thd_bpt || task_bpt) {
for (n = 0; db_get_next_act(&thr_act, n); n++) {
if (thr_act == THR_ACT_NULL)
db_error("No active thr_act\n");
if (task_bpt) {
if (thr_act->task == TASK_NULL)
db_error("No task\n");
task_thd = (vm_offset_t) (thr_act->task);
} else
task_thd = (user_global)? 0: (vm_offset_t) thr_act;
db_delete_breakpoint(db_target_space(thr_act, user_space),
(db_addr_t)addr, task_thd);
}
} else {
db_delete_breakpoint(db_target_space(THR_ACT_NULL, user_space),
(db_addr_t)addr, 0);
}
}
/*ARGSUSED*/
void
db_delete_cmd(db_expr_t addr, int have_addr, db_expr_t count, char *modif)
{
db_delete_breakpoint((db_addr_t)addr);
}
