lib/bpf/libbpf.c

3920 static int find_extern_btf_id(const struct btf *btf, const char *ext_name)
3937 		if (strcmp(tname, ext_name))
4106 	const char *ext_name, *sec_name;
4133 		ext_name = elf_sym_str(obj, sym->st_name);
4134 		if (!ext_name || !ext_name[0])
4146 		ext->btf_id = find_extern_btf_id(obj->btf, ext_name);
4149 				ext_name, ext->btf_id);
4168 				ext_name, ext->btf_id, ext->sec_btf_id);
4185 					ext_name, ext->kcfg.sz);
4191 					ext_name, ext->kcfg.align);
4197 				pr_warn("extern (kcfg) '%s': type is unsupported\n", ext_name);
4250 			ext_name = btf__name_by_offset(obj->btf, vt->name_off);
4251 			ext = find_extern_by_name(obj, ext_name);
4254 					btf_kind_str(vt), ext_name);
4305 			ext_name = btf__name_by_offset(obj->btf, t->name_off);
4306 			ext = find_extern_by_name(obj, ext_name);
4309 					ext_name);