272 	struct btf *base_btf;  member
536 	return btf->kernel_btf && !btf->base_btf;  in btf_is_vmlinux()
545 		btf = btf->base_btf;  in btf_nr_types()
765 		btf = btf->base_btf;  in btf_name_offset_valid()
784 		btf = btf->base_btf;  in btf_str_by_offset()
854 		btf = btf->base_btf;  in btf_type_by_id()
1455 		if (env->btf->base_btf && IS_ENABLED(CONFIG_MODULE_ALLOW_BTF_MISMATCH))  in __btf_verifier_log_type()
1501 		if (env->btf->base_btf && IS_ENABLED(CONFIG_MODULE_ALLOW_BTF_MISMATCH))  in btf_verifier_log_member()
1613 			if (!btf->base_btf) {  in btf_add_type()
1771 	return btf->base_btf;  in btf_base_btf()
1779 void btf_set_base_btf(struct btf *btf, const struct btf *base_btf)  in btf_set_base_btf()  argument
1781 	btf->base_btf = (struct btf *)base_btf;  in btf_set_base_btf()
1782 	btf->start_id = btf_nr_types(base_btf);  in btf_set_base_btf()
1783 	btf->start_str_off = base_btf->hdr.str_len;  in btf_set_base_btf()
2017 		btf = btf->base_btf;  in btf_resolved_type_id()
2033 		btf = btf->base_btf;  in btf_resolved_type_size()
5202 	env->log_type_id = btf->base_btf ? btf->start_id : 1;  in btf_check_all_metas()
5305 	for (i = btf->base_btf ? 0 : 1; i < btf->nr_types; i++) {  in btf_check_all_types()
5338 	if (!env->btf->base_btf && !hdr->type_len) {  in btf_parse_type_sec()
5367 	if (btf->base_btf && !hdr->str_len)  in btf_parse_str_sec()
5373 	if (!btf->base_btf && start[0]) {  in btf_parse_str_sec()
5503 	if (!btf->base_btf && btf_data_size == hdr->hdr_len) {  in btf_parse_hdr()
6233 	if (!btf->base_btf || !btf->base_id_map)  in btf_relocate_id()
6244 	struct btf *btf = NULL, *vmlinux_btf, *base_btf = NULL;  in btf_parse_module()  local
6263 		base_btf = btf_parse_base(env, ".BTF.base", base_data, base_data_size);  in btf_parse_module()
6264 		if (IS_ERR(base_btf)) {  in btf_parse_module()
6265 			err = PTR_ERR(base_btf);  in btf_parse_module()
6269 		base_btf = vmlinux_btf;  in btf_parse_module()
6279 	btf->base_btf = base_btf;  in btf_parse_module()
6280 	btf->start_id = base_btf->nr_types;  in btf_parse_module()
6281 	btf->start_str_off = base_btf->hdr.str_len;  in btf_parse_module()
6306 	err = btf_check_type_tags(env, btf, btf_nr_types(base_btf));  in btf_parse_module()
6310 	if (base_btf != vmlinux_btf) {  in btf_parse_module()
6314 		btf_free(base_btf);  in btf_parse_module()
6315 		base_btf = vmlinux_btf;  in btf_parse_module()
6324 	if (!IS_ERR(base_btf) && base_btf != vmlinux_btf)  in btf_parse_module()
6325 		btf_free(base_btf);  in btf_parse_module()