5185 static int btf_add_distilled_type_ids(struct btf_distill *dist, __u32 i)  in btf_add_distilled_type_ids()  argument
5187 	struct btf_type *split_t = btf_type_by_id(dist->pipe.src, i);  in btf_add_distilled_type_ids()
5201 		if (*id >= dist->split_start_id)  in btf_add_distilled_type_ids()
5204 		if (dist->id_map[*id] > 0)  in btf_add_distilled_type_ids()
5210 		base_t = btf_type_by_id(dist->pipe.src, *id);  in btf_add_distilled_type_ids()
5227 			dist->id_map[*id] = *id;  in btf_add_distilled_type_ids()
5243 		err = btf_add_distilled_type_ids(dist, *id);  in btf_add_distilled_type_ids()
5250 static int btf_add_distilled_types(struct btf_distill *dist)  in btf_add_distilled_types()  argument
5252 	bool adding_to_base = dist->pipe.dst->start_id == 1;  in btf_add_distilled_types()
5253 	int id = btf__type_cnt(dist->pipe.dst);  in btf_add_distilled_types()
5261 	for (i = 1; i < dist->split_start_id; i++) {  in btf_add_distilled_types()
5265 		if (!dist->id_map[i])  in btf_add_distilled_types()
5267 		t = btf_type_by_id(dist->pipe.src, i);  in btf_add_distilled_types()
5269 		name = btf__name_by_offset(dist->pipe.src, t->name_off);  in btf_add_distilled_types()
5278 			err = btf_add_type(&dist->pipe, t);  in btf_add_distilled_types()
5289 				err = btf_add_composite(dist->pipe.dst, kind, name, t->size);  in btf_add_distilled_types()
5293 				err = btf_add_type(&dist->pipe, t);  in btf_add_distilled_types()
5307 				err = btf__add_enum(dist->pipe.dst, name, t->size);  in btf_add_distilled_types()
5311 				err = btf_add_type(&dist->pipe, t);  in btf_add_distilled_types()
5325 			err = btf_add_type(&dist->pipe, t);  in btf_add_distilled_types()
5335 		dist->id_map[i] = id++;  in btf_add_distilled_types()
5345 static int btf_update_distilled_type_ids(struct btf_distill *dist, __u32 i)  in btf_update_distilled_type_ids()  argument
5347 	struct btf_type *t = btf_type_by_id(dist->pipe.dst, i);  in btf_update_distilled_type_ids()
5356 		if (dist->id_map[*id])  in btf_update_distilled_type_ids()
5357 			*id = dist->id_map[*id];  in btf_update_distilled_type_ids()
5358 		else if (*id >= dist->split_start_id)  in btf_update_distilled_type_ids()
5359 			*id -= dist->diff_id;  in btf_update_distilled_type_ids()
5386 	struct btf_distill dist = {};  in btf__distill_base()  local
5401 	dist.id_map = calloc(n, sizeof(*dist.id_map));  in btf__distill_base()
5402 	if (!dist.id_map) {  in btf__distill_base()
5406 	dist.pipe.src = src_btf;  in btf__distill_base()
5407 	dist.pipe.dst = new_base;  in btf__distill_base()
5408 	dist.pipe.str_off_map = hashmap__new(btf_dedup_identity_hash_fn, btf_dedup_equal_fn, NULL);  in btf__distill_base()
5409 	if (IS_ERR(dist.pipe.str_off_map)) {  in btf__distill_base()
5413 	dist.split_start_id = btf__type_cnt(old_base);  in btf__distill_base()
5414 	dist.split_start_str = old_base->hdr->str_len;  in btf__distill_base()
5421 		err = btf_add_distilled_type_ids(&dist, i);  in btf__distill_base()
5428 	err = btf_add_distilled_types(&dist);  in btf__distill_base()
5442 	dist.pipe.dst = new_split;  in btf__distill_base()
5446 		err = btf_add_type(&dist.pipe, t);  in btf__distill_base()
5451 	err = btf_add_distilled_types(&dist);  in btf__distill_base()
5458 	dist.diff_id = dist.split_start_id - btf__type_cnt(new_base);  in btf__distill_base()
5463 		err = btf_update_distilled_type_ids(&dist, i);  in btf__distill_base()
5468 	free(dist.id_map);  in btf__distill_base()
5469 	hashmap__free(dist.pipe.str_off_map);  in btf__distill_base()