void
db_breakpoint_cmd(
db_expr_t addr,
int have_addr,
db_expr_t count,
char * modif)
{
register int n;
thread_act_t thr_act;
boolean_t user_global = db_option(modif, 'U');
boolean_t task_bpt = db_option(modif, 'T');
boolean_t user_space;
if (count == -1)
count = 1;
if (task_bpt && user_global)
db_error("Cannot specify both 'T' and 'U'\n");
user_space = (user_global)? TRUE: db_option(modif, 'u');
if (user_space && db_access_level < DB_ACCESS_CURRENT)
db_error("User space break point is not supported\n");
if ((!task_bpt || !user_space) &&
!DB_VALID_ADDRESS(addr, user_space)) {
/* if the user has explicitly specified user space,
do not insert a breakpoint into the kernel */
if (user_space)
db_error("Invalid user space address\n");
user_space = TRUE;
db_printf("%#X is in user space\n", addr);
db_printf("kernel is from %#X to %#x\n", VM_MIN_KERNEL_ADDRESS, VM_MAX_KERNEL_ADDRESS);
}
if (db_option(modif, 't') || 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 && thr_act->task == TASK_NULL)
db_error("No task\n");
if (db_access_level <= DB_ACCESS_CURRENT && user_space
&& thr_act->task != db_current_space())
db_error("Cannot set break point in inactive user space\n");
db_set_breakpoint(db_target_space(thr_act, user_space),
(db_addr_t)addr, count,
(user_global)? THR_ACT_NULL: thr_act,
task_bpt);
}
} else {
db_set_breakpoint(db_target_space(THR_ACT_NULL, user_space),
(db_addr_t)addr,
count, THR_ACT_NULL, FALSE);
}
}
/*ARGSUSED*/
void
db_breakpoint_cmd(db_expr_t addr, int have_addr, db_expr_t count, char *modif)
{
if (count == -1)
count = 1;
db_set_breakpoint((db_addr_t)addr, count);
}
