278 	h->str_len = bswap_32(h->str_len);  in btf_bswap_hdr()
291 	if (btf->raw_size < offsetofend(struct btf_header, str_len)) {  in btf_parse_hdr()
301 		if (hdr_len < offsetofend(struct btf_header, str_len)) {  in btf_parse_hdr()
340 	if (meta_left < (long long)btf->hdr.str_off + btf->hdr.str_len) {  in btf_parse_hdr()
348 			 btf->hdr.str_len);  in btf_parse_hdr()
383 	const char *end = start + btf->hdr.str_len;  in btf_parse_str_sec()
385 	if (btf->base_btf && btf->hdr.str_len == 0)  in btf_parse_str_sec()
387 	if (!btf->hdr.str_len || btf->hdr.str_len - 1 > BTF_MAX_STR_OFFSET || end[-1]) {  in btf_parse_str_sec()
1238 		btf->start_str_off = base_btf->hdr.str_len + base_btf->start_str_off;  in btf_new_empty()
1259 	hdr->str_len = base_btf ? 0 : 1; /* empty string at offset 0 */  in btf_new_empty()
1318 		btf->start_str_off = base_btf->hdr.str_len + base_btf->start_str_off;  in btf_new()
1807 	data_sz = hdr->hdr_len + hdr->type_len + hdr->str_len;  in btf_get_raw_data()
1847 	memcpy(p, btf_strs_data(btf), hdr->str_len);  in btf_get_raw_data()
1882 	else if (offset - btf->start_str_off < btf->hdr.str_len)  in btf__str_by_offset()
2025 	set = strset__new(BTF_MAX_STR_OFFSET, btf->strs_data, btf->hdr.str_len);  in btf_ensure_modifiable()
2041 	if (btf->hdr.str_len == 0)  in btf_ensure_modifiable()
2043 	if (!btf->base_btf && btf->hdr.str_len == 1)  in btf_ensure_modifiable()
2113 	btf->hdr.str_len = strset__data_size(btf->strs_set);  in btf__add_str()
2145 	btf->hdr.str_len = new_len;  in btf_hdr_update_str_len()
2268 	old_strs_len = btf->hdr.str_len;  in btf__add_btf()
2360 		memset(btf->strs_data + old_strs_len, 0, btf->hdr.str_len - old_strs_len);  in btf__add_btf()
5700 			   d->btf->hdr.layout_len + d->btf->hdr.str_len;  in btf_dedup_compact_types()
6158 	dist.split_start_str = old_base->hdr.str_len;  in btf__distill_base()
6234 	btf->start_str_off = base_btf->hdr.str_len + base_btf->start_str_off;  in btf_set_base_btf()