328 	struct tcl_walk_data *twd;  in tuncl_walk_fini()  local
331 		twd = (struct tcl_walk_data *)wsp->walk_addr;  in tuncl_walk_fini()
332 		mdb_free(twd, sizeof (*twd) + ((twd->tcl_nslots - 1) *  in tuncl_walk_fini()
333 		    sizeof (twd->tcl_slots[0])));  in tuncl_walk_fini()
343 	struct tcl_walk_data *twd;  in tuncl_walk_init()  local
364 	twd = (struct tcl_walk_data *)mdb_alloc(sizeof (*twd) +  in tuncl_walk_init()
366 	if (twd == NULL)  in tuncl_walk_init()
368 	twd->tcl_nslots = tcl_nslots;  in tuncl_walk_init()
369 	twd->walkpos = 0;  in tuncl_walk_init()
370 	wsp->walk_addr = (uintptr_t)twd;  in tuncl_walk_init()
372 	if (mdb_vread(twd->tcl_slots, tcl_nslots * sizeof (twd->tcl_slots[0]),  in tuncl_walk_init()
387 	struct tcl_walk_data *twd;  in tuncl_walk_step()  local
393 	twd = (struct tcl_walk_data *)wsp->walk_addr;  in tuncl_walk_step()
395 	while (twd->walkpos < twd->tcl_nslots &&  in tuncl_walk_step()
396 	    twd->tcl_slots[twd->walkpos] == NULL)  in tuncl_walk_step()
397 		twd->walkpos++;  in tuncl_walk_step()
398 	if (twd->walkpos >= twd->tcl_nslots)  in tuncl_walk_step()
401 	addr = (uintptr_t)twd->tcl_slots[twd->walkpos];  in tuncl_walk_step()
409 	twd->walkpos++;  in tuncl_walk_step()
464 	struct tll_walk_data *twd;  in tunll_walk_fini()  local
467 		twd = (struct tll_walk_data *)wsp->walk_addr;  in tunll_walk_fini()
468 		mdb_free(twd, sizeof (*twd));  in tunll_walk_fini()
477 	struct tll_walk_data *twd;  in tunll_walk_init()  local
495 	twd = (struct tll_walk_data *)mdb_alloc(sizeof (*twd), UM_NOSLEEP);  in tunll_walk_init()
496 	if (twd == NULL)  in tunll_walk_init()
498 	twd->listhead = (void *)(uintptr_t)sym.st_value;  in tunll_walk_init()
499 	twd->next = (void *)tunll_list.q_forw;  in tunll_walk_init()
500 	wsp->walk_addr = (uintptr_t)twd;  in tunll_walk_init()
508 	struct tll_walk_data *twd;  in tunll_walk_step()  local
516 	twd = (struct tll_walk_data *)wsp->walk_addr;  in tunll_walk_step()
517 	if (twd->next == NULL || twd->next == twd->listhead)  in tunll_walk_step()
521 	addr = (uintptr_t)TO_TLL(twd->next);  in tunll_walk_step()
529 	twd->next = (void *)tll.tll_next;  in tunll_walk_step()