1167 				 struct btf_ext **btf_ext)  in btf_parse_elf()  argument
1243 	if (btf_ext && secs.btf_ext_data) {  in btf_parse_elf()
1244 		*btf_ext = btf_ext__new(secs.btf_ext_data->d_buf, secs.btf_ext_data->d_size);  in btf_parse_elf()
1245 		if (IS_ERR(*btf_ext)) {  in btf_parse_elf()
1246 			err = PTR_ERR(*btf_ext);  in btf_parse_elf()
1249 	} else if (btf_ext) {  in btf_parse_elf()
1250 		*btf_ext = NULL;  in btf_parse_elf()
1260 	if (btf_ext)  in btf_parse_elf()
1261 		btf_ext__free(*btf_ext);  in btf_parse_elf()
1268 struct btf *btf__parse_elf(const char *path, struct btf_ext **btf_ext)  in btf__parse_elf()  argument
1270 	return libbpf_ptr(btf_parse_elf(path, NULL, btf_ext));  in btf__parse_elf()
1351 static struct btf *btf_parse(const char *path, struct btf *base_btf, struct btf_ext **btf_ext)  in btf_parse()  argument
1356 	if (btf_ext)  in btf_parse()
1357 		*btf_ext = NULL;  in btf_parse()
1365 	return btf_parse_elf(path, base_btf, btf_ext);  in btf_parse()
1368 struct btf *btf__parse(const char *path, struct btf_ext **btf_ext)  in btf__parse()  argument
1370 	return libbpf_ptr(btf_parse(path, NULL, btf_ext));  in btf__parse()
2955 static int btf_ext_parse_sec_info(struct btf_ext *btf_ext,  in btf_ext_parse_sec_info()  argument
2975 	info = btf_ext->data + btf_ext->hdr->hdr_len + ext_sec->off;  in btf_ext_parse_sec_info()
2978 	if (btf_ext->data + btf_ext->data_size < info + ext_sec->len) {  in btf_ext_parse_sec_info()
3052 static int btf_ext_parse_info(struct btf_ext *btf_ext, bool is_native)  in btf_ext_parse_info()  argument
3055 		.off = btf_ext->hdr->func_info_off,  in btf_ext_parse_info()
3056 		.len = btf_ext->hdr->func_info_len,  in btf_ext_parse_info()
3058 		.ext_info = &btf_ext->func_info,  in btf_ext_parse_info()
3062 		.off = btf_ext->hdr->line_info_off,  in btf_ext_parse_info()
3063 		.len = btf_ext->hdr->line_info_len,  in btf_ext_parse_info()
3065 		.ext_info = &btf_ext->line_info,  in btf_ext_parse_info()
3070 		.ext_info = &btf_ext->core_relo_info,  in btf_ext_parse_info()
3075 	err = btf_ext_parse_sec_info(btf_ext, &func_info, is_native);  in btf_ext_parse_info()
3079 	err = btf_ext_parse_sec_info(btf_ext, &line_info, is_native);  in btf_ext_parse_info()
3083 	if (btf_ext->hdr->hdr_len < offsetofend(struct btf_ext_header, core_relo_len))  in btf_ext_parse_info()
3086 	core_relo.off = btf_ext->hdr->core_relo_off;  in btf_ext_parse_info()
3087 	core_relo.len = btf_ext->hdr->core_relo_len;  in btf_ext_parse_info()
3088 	err = btf_ext_parse_sec_info(btf_ext, &core_relo, is_native);  in btf_ext_parse_info()
3153 static void btf_ext_bswap_info(struct btf_ext *btf_ext, void *data)  in btf_ext_bswap_info()  argument
3155 	const bool is_native = btf_ext->swapped_endian;  in btf_ext_bswap_info()
3179 static int btf_ext_parse(struct btf_ext *btf_ext)  in btf_ext_parse()  argument
3181 	__u32 hdr_len, data_size = btf_ext->data_size;  in btf_ext_parse()
3182 	struct btf_ext_header *hdr = btf_ext->hdr;  in btf_ext_parse()
3227 		btf_ext_bswap_hdr(btf_ext->hdr);  in btf_ext_parse()
3230 	err = btf_ext_parse_info(btf_ext, !swapped_endian);  in btf_ext_parse()
3236 		btf_ext_bswap_info(btf_ext, btf_ext->data);  in btf_ext_parse()
3243 	btf_ext->swapped_endian = swapped_endian;  in btf_ext_parse()
3247 void btf_ext__free(struct btf_ext *btf_ext)  in btf_ext__free()  argument
3249 	if (IS_ERR_OR_NULL(btf_ext))  in btf_ext__free()
3251 	free(btf_ext->func_info.sec_idxs);  in btf_ext__free()
3252 	free(btf_ext->line_info.sec_idxs);  in btf_ext__free()
3253 	free(btf_ext->core_relo_info.sec_idxs);  in btf_ext__free()
3254 	free(btf_ext->data);  in btf_ext__free()
3255 	free(btf_ext->data_swapped);  in btf_ext__free()
3256 	free(btf_ext);  in btf_ext__free()
3259 struct btf_ext *btf_ext__new(const __u8 *data, __u32 size)  in btf_ext__new()
3261 	struct btf_ext *btf_ext;  in btf_ext__new()  local
3264 	btf_ext = calloc(1, sizeof(struct btf_ext));  in btf_ext__new()
3265 	if (!btf_ext)  in btf_ext__new()
3268 	btf_ext->data_size = size;  in btf_ext__new()
3269 	btf_ext->data = malloc(size);  in btf_ext__new()
3270 	if (!btf_ext->data) {  in btf_ext__new()
3274 	memcpy(btf_ext->data, data, size);  in btf_ext__new()
3276 	err = btf_ext_parse(btf_ext);  in btf_ext__new()
3280 		btf_ext__free(btf_ext);  in btf_ext__new()
3284 	return btf_ext;  in btf_ext__new()
3287 static void *btf_ext_raw_data(const struct btf_ext *btf_ext_ro, bool swap_endian)  in btf_ext_raw_data()
3289 	struct btf_ext *btf_ext = (struct btf_ext *)btf_ext_ro;  in btf_ext_raw_data()  local
3290 	const __u32 data_sz = btf_ext->data_size;  in btf_ext_raw_data()
3295 		return btf_ext->data;  in btf_ext_raw_data()
3296 	else if (btf_ext->data_swapped)  in btf_ext_raw_data()
3297 		return btf_ext->data_swapped;  in btf_ext_raw_data()
3303 	memcpy(data, btf_ext->data, data_sz);  in btf_ext_raw_data()
3305 	btf_ext_bswap_info(btf_ext, data);  in btf_ext_raw_data()
3307 	btf_ext->data_swapped = data;  in btf_ext_raw_data()
3311 const void *btf_ext__raw_data(const struct btf_ext *btf_ext, __u32 *size)  in btf_ext__raw_data()  argument
3315 	data = btf_ext_raw_data(btf_ext, btf_ext->swapped_endian);  in btf_ext__raw_data()
3319 	*size = btf_ext->data_size;  in btf_ext__raw_data()
3324 const void *btf_ext__get_raw_data(const struct btf_ext *btf_ext, __u32 *size);
3326 enum btf_endianness btf_ext__endianness(const struct btf_ext *btf_ext)  in btf_ext__endianness()  argument
3329 		return btf_ext->swapped_endian ? BTF_LITTLE_ENDIAN : BTF_BIG_ENDIAN;  in btf_ext__endianness()
3331 		return btf_ext->swapped_endian ? BTF_BIG_ENDIAN : BTF_LITTLE_ENDIAN;  in btf_ext__endianness()
3334 int btf_ext__set_endianness(struct btf_ext *btf_ext, enum btf_endianness endian)  in btf_ext__set_endianness()  argument
3339 	btf_ext->swapped_endian = is_host_big_endian() != (endian == BTF_BIG_ENDIAN);  in btf_ext__set_endianness()
3341 	if (!btf_ext->swapped_endian) {  in btf_ext__set_endianness()
3342 		free(btf_ext->data_swapped);  in btf_ext__set_endianness()
3343 		btf_ext->data_swapped = NULL;  in btf_ext__set_endianness()
3574 	struct btf_ext *btf_ext;  member
3688 	d->btf_ext = OPTS_GET(opts, btf_ext, NULL);  in btf_dedup_new()
3756 	if (!d->btf_ext)  in btf_for_each_str_off()
3759 	r = btf_ext_visit_str_offs(d->btf_ext, fn, ctx);  in btf_for_each_str_off()
5234 	if (!d->btf_ext)  in btf_dedup_remap_types()
5237 	r = btf_ext_visit_type_ids(d->btf_ext, btf_dedup_remap_type_id, d);  in btf_dedup_remap_types()
5313 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
5319 	seg = &btf_ext->func_info;  in btf_ext_visit_type_ids()
5330 	seg = &btf_ext->core_relo_info;  in btf_ext_visit_type_ids()
5344 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
5350 	seg = &btf_ext->func_info;  in btf_ext_visit_str_offs()
5357 	seg = &btf_ext->line_info;  in btf_ext_visit_str_offs()
5375 	seg = &btf_ext->core_relo_info;  in btf_ext_visit_str_offs()