lib/bpf/btf.c

225 	h->str_off = bswap_32(h->str_off);
259 	if (meta_left < (long long)hdr->str_off + hdr->str_len) {
264 	if ((long long)hdr->type_off + hdr->type_len > hdr->str_off) {
266 			 hdr->type_off, hdr->type_len, hdr->str_off, hdr->str_len);
460 static int btf_validate_str(const struct btf *btf, __u32 str_off, const char *what, __u32 type_id)
464 	s = btf__str_by_offset(btf, str_off);
466 		pr_warn("btf: type [%u]: invalid %s (string offset %u)\n", type_id, what, str_off);
1149 	btf->strs_data = btf->raw_data + btf->hdr->hdr_len + btf->hdr->str_off;
1917 	btf->hdr->str_off += data_sz;
1928 static int btf_rewrite_str(struct btf_pipe *p, __u32 *str_off)
1933 	if (!*str_off) /* nothing to do for empty strings */
1937 	    hashmap__find(p->str_off_map, *str_off, &mapped_off)) {
1938 		*str_off = mapped_off;
1942 	off = btf__add_str(p->dst, btf__str_by_offset(p->src, *str_off));
1950 		err = hashmap__append(p->str_off_map, *str_off, off);
1955 	*str_off = off;
1963 	__u32 *str_off;
1984 	while ((str_off = btf_field_iter_next(&it))) {
1985 		err = btf_rewrite_str(p, str_off);
2046 		__u32 *type_id, *str_off;
2062 		while ((str_off = btf_field_iter_next(&it))) {
2063 			err = btf_rewrite_str(&p, str_off);
2098 	btf->hdr->str_off += data_sz;
2434 	btf->hdr->str_off += sz;
2544 	btf->hdr->str_off += sz;
2616 	btf->hdr->str_off += sz;
2855 	btf->hdr->str_off += sz;
2992 	btf->hdr->str_off += sz;
3863 		__u32 *str_off;
3869 		while ((str_off = btf_field_iter_next(&it))) {
3870 			r = fn(str_off, ctx);
3889 	__u32 str_off = *str_off_ptr;
3894 	if (str_off == 0 || str_off < d->btf->start_str_off)
3897 	s = btf__str_by_offset(d->btf, str_off);
5409 	d->btf->hdr->str_off = d->btf->hdr->type_len;