1194 				 struct btf_ext **btf_ext)  in btf_parse_elf()  argument
1270 	if (btf_ext && secs.btf_ext_data) {  in btf_parse_elf()
1271 		*btf_ext = btf_ext__new(secs.btf_ext_data->d_buf, secs.btf_ext_data->d_size);  in btf_parse_elf()
1272 		if (IS_ERR(*btf_ext)) {  in btf_parse_elf()
1273 			err = PTR_ERR(*btf_ext);  in btf_parse_elf()
1276 	} else if (btf_ext) {  in btf_parse_elf()
1277 		*btf_ext = NULL;  in btf_parse_elf()
1287 	if (btf_ext)  in btf_parse_elf()
1288 		btf_ext__free(*btf_ext);  in btf_parse_elf()
1295 struct btf *btf__parse_elf(const char *path, struct btf_ext **btf_ext)  in btf__parse_elf()  argument
1297 	return libbpf_ptr(btf_parse_elf(path, NULL, btf_ext));  in btf__parse_elf()
1409 static struct btf *btf_parse(const char *path, struct btf *base_btf, struct btf_ext **btf_ext)  in btf_parse()  argument
1414 	if (btf_ext)  in btf_parse()
1415 		*btf_ext = NULL;  in btf_parse()
1423 	return btf_parse_elf(path, base_btf, btf_ext);  in btf_parse()
1426 struct btf *btf__parse(const char *path, struct btf_ext **btf_ext)  in btf__parse()  argument
1428 	return libbpf_ptr(btf_parse(path, NULL, btf_ext));  in btf__parse()
3011 static int btf_ext_parse_sec_info(struct btf_ext *btf_ext,  in btf_ext_parse_sec_info()  argument
3031 	info = btf_ext->data + btf_ext->hdr->hdr_len + ext_sec->off;  in btf_ext_parse_sec_info()
3034 	if (btf_ext->data + btf_ext->data_size < info + ext_sec->len) {  in btf_ext_parse_sec_info()
3108 static int btf_ext_parse_info(struct btf_ext *btf_ext, bool is_native)  in btf_ext_parse_info()  argument
3111 		.off = btf_ext->hdr->func_info_off,  in btf_ext_parse_info()
3112 		.len = btf_ext->hdr->func_info_len,  in btf_ext_parse_info()
3114 		.ext_info = &btf_ext->func_info,  in btf_ext_parse_info()
3118 		.off = btf_ext->hdr->line_info_off,  in btf_ext_parse_info()
3119 		.len = btf_ext->hdr->line_info_len,  in btf_ext_parse_info()
3121 		.ext_info = &btf_ext->line_info,  in btf_ext_parse_info()
3126 		.ext_info = &btf_ext->core_relo_info,  in btf_ext_parse_info()
3131 	err = btf_ext_parse_sec_info(btf_ext, &func_info, is_native);  in btf_ext_parse_info()
3135 	err = btf_ext_parse_sec_info(btf_ext, &line_info, is_native);  in btf_ext_parse_info()
3139 	if (btf_ext->hdr->hdr_len < offsetofend(struct btf_ext_header, core_relo_len))  in btf_ext_parse_info()
3142 	core_relo.off = btf_ext->hdr->core_relo_off;  in btf_ext_parse_info()
3143 	core_relo.len = btf_ext->hdr->core_relo_len;  in btf_ext_parse_info()
3144 	err = btf_ext_parse_sec_info(btf_ext, &core_relo, is_native);  in btf_ext_parse_info()
3209 static void btf_ext_bswap_info(struct btf_ext *btf_ext, void *data)  in btf_ext_bswap_info()  argument
3211 	const bool is_native = btf_ext->swapped_endian;  in btf_ext_bswap_info()
3235 static int btf_ext_parse(struct btf_ext *btf_ext)  in btf_ext_parse()  argument
3237 	__u32 hdr_len, data_size = btf_ext->data_size;  in btf_ext_parse()
3238 	struct btf_ext_header *hdr = btf_ext->hdr;  in btf_ext_parse()
3283 		btf_ext_bswap_hdr(btf_ext->hdr);  in btf_ext_parse()
3286 	err = btf_ext_parse_info(btf_ext, !swapped_endian);  in btf_ext_parse()
3292 		btf_ext_bswap_info(btf_ext, btf_ext->data);  in btf_ext_parse()
3299 	btf_ext->swapped_endian = swapped_endian;  in btf_ext_parse()
3303 void btf_ext__free(struct btf_ext *btf_ext)  in btf_ext__free()  argument
3305 	if (IS_ERR_OR_NULL(btf_ext))  in btf_ext__free()
3307 	free(btf_ext->func_info.sec_idxs);  in btf_ext__free()
3308 	free(btf_ext->line_info.sec_idxs);  in btf_ext__free()
3309 	free(btf_ext->core_relo_info.sec_idxs);  in btf_ext__free()
3310 	free(btf_ext->data);  in btf_ext__free()
3311 	free(btf_ext->data_swapped);  in btf_ext__free()
3312 	free(btf_ext);  in btf_ext__free()
3315 struct btf_ext *btf_ext__new(const __u8 *data, __u32 size)  in btf_ext__new()
3317 	struct btf_ext *btf_ext;  in btf_ext__new()  local
3320 	btf_ext = calloc(1, sizeof(struct btf_ext));  in btf_ext__new()
3321 	if (!btf_ext)  in btf_ext__new()
3324 	btf_ext->data_size = size;  in btf_ext__new()
3325 	btf_ext->data = malloc(size);  in btf_ext__new()
3326 	if (!btf_ext->data) {  in btf_ext__new()
3330 	memcpy(btf_ext->data, data, size);  in btf_ext__new()
3332 	err = btf_ext_parse(btf_ext);  in btf_ext__new()
3336 		btf_ext__free(btf_ext);  in btf_ext__new()
3340 	return btf_ext;  in btf_ext__new()
3343 static void *btf_ext_raw_data(const struct btf_ext *btf_ext_ro, bool swap_endian)  in btf_ext_raw_data()
3345 	struct btf_ext *btf_ext = (struct btf_ext *)btf_ext_ro;  in btf_ext_raw_data()  local
3346 	const __u32 data_sz = btf_ext->data_size;  in btf_ext_raw_data()
3351 		return btf_ext->data;  in btf_ext_raw_data()
3352 	else if (btf_ext->data_swapped)  in btf_ext_raw_data()
3353 		return btf_ext->data_swapped;  in btf_ext_raw_data()
3359 	memcpy(data, btf_ext->data, data_sz);  in btf_ext_raw_data()
3361 	btf_ext_bswap_info(btf_ext, data);  in btf_ext_raw_data()
3363 	btf_ext->data_swapped = data;  in btf_ext_raw_data()
3367 const void *btf_ext__raw_data(const struct btf_ext *btf_ext, __u32 *size)  in btf_ext__raw_data()  argument
3371 	data = btf_ext_raw_data(btf_ext, btf_ext->swapped_endian);  in btf_ext__raw_data()
3375 	*size = btf_ext->data_size;  in btf_ext__raw_data()
3380 const void *btf_ext__get_raw_data(const struct btf_ext *btf_ext, __u32 *size);
3382 enum btf_endianness btf_ext__endianness(const struct btf_ext *btf_ext)  in btf_ext__endianness()  argument
3385 		return btf_ext->swapped_endian ? BTF_LITTLE_ENDIAN : BTF_BIG_ENDIAN;  in btf_ext__endianness()
3387 		return btf_ext->swapped_endian ? BTF_BIG_ENDIAN : BTF_LITTLE_ENDIAN;  in btf_ext__endianness()
3390 int btf_ext__set_endianness(struct btf_ext *btf_ext, enum btf_endianness endian)  in btf_ext__set_endianness()  argument
3395 	btf_ext->swapped_endian = is_host_big_endian() != (endian == BTF_BIG_ENDIAN);  in btf_ext__set_endianness()
3397 	if (!btf_ext->swapped_endian) {  in btf_ext__set_endianness()
3398 		free(btf_ext->data_swapped);  in btf_ext__set_endianness()
3399 		btf_ext->data_swapped = NULL;  in btf_ext__set_endianness()
3630 	struct btf_ext *btf_ext;  member
3744 	d->btf_ext = OPTS_GET(opts, btf_ext, NULL);  in btf_dedup_new()
3812 	if (!d->btf_ext)  in btf_for_each_str_off()
3815 	r = btf_ext_visit_str_offs(d->btf_ext, fn, ctx);  in btf_for_each_str_off()
5347 	if (!d->btf_ext)  in btf_dedup_remap_types()
5350 	r = btf_ext_visit_type_ids(d->btf_ext, btf_dedup_remap_type_id, d);  in btf_dedup_remap_types()
5429 int btf_ext_visit_type_ids(struct btf_ext *btf_ext, type_id_visit_fn visit, void *ctx)  in btf_ext_visit_type_ids()  argument
5435 	seg = &btf_ext->func_info;  in btf_ext_visit_type_ids()
5446 	seg = &btf_ext->core_relo_info;  in btf_ext_visit_type_ids()
5460 int btf_ext_visit_str_offs(struct btf_ext *btf_ext, str_off_visit_fn visit, void *ctx)  in btf_ext_visit_str_offs()  argument
5466 	seg = &btf_ext->func_info;  in btf_ext_visit_str_offs()
5473 	seg = &btf_ext->line_info;  in btf_ext_visit_str_offs()
5491 	seg = &btf_ext->core_relo_info;  in btf_ext_visit_str_offs()