851 				 struct btf_ext **btf_ext)  in btf_parse_elf()  argument
920 		} else if (btf_ext && strcmp(name, BTF_EXT_ELF_SEC) == 0) {  in btf_parse_elf()
954 	if (btf_ext && btf_ext_data) {  in btf_parse_elf()
955 		*btf_ext = btf_ext__new(btf_ext_data->d_buf, btf_ext_data->d_size);  in btf_parse_elf()
956 		err = libbpf_get_error(*btf_ext);  in btf_parse_elf()
959 	} else if (btf_ext) {  in btf_parse_elf()
960 		*btf_ext = NULL;  in btf_parse_elf()
970 	if (btf_ext)  in btf_parse_elf()
971 		btf_ext__free(*btf_ext);  in btf_parse_elf()
977 struct btf *btf__parse_elf(const char *path, struct btf_ext **btf_ext)  in btf__parse_elf()  argument
979 	return libbpf_ptr(btf_parse_elf(path, NULL, btf_ext));  in btf__parse_elf()
1060 static struct btf *btf_parse(const char *path, struct btf *base_btf, struct btf_ext **btf_ext)  in btf_parse()  argument
1065 	if (btf_ext)  in btf_parse()
1066 		*btf_ext = NULL;  in btf_parse()
1074 	return btf_parse_elf(path, base_btf, btf_ext);  in btf_parse()
1077 struct btf *btf__parse(const char *path, struct btf_ext **btf_ext)  in btf__parse()  argument
1079 	return libbpf_ptr(btf_parse(path, NULL, btf_ext));  in btf__parse()
2451 static int btf_ext_setup_info(struct btf_ext *btf_ext,  in btf_ext_setup_info()  argument
2469 	info = btf_ext->data + btf_ext->hdr->hdr_len + ext_sec->off;  in btf_ext_setup_info()
2472 	if (btf_ext->data + btf_ext->data_size < info + ext_sec->len) {  in btf_ext_setup_info()
2540 static int btf_ext_setup_func_info(struct btf_ext *btf_ext)  in btf_ext_setup_func_info()  argument
2543 		.off = btf_ext->hdr->func_info_off,  in btf_ext_setup_func_info()
2544 		.len = btf_ext->hdr->func_info_len,  in btf_ext_setup_func_info()
2546 		.ext_info = &btf_ext->func_info,  in btf_ext_setup_func_info()
2550 	return btf_ext_setup_info(btf_ext, &param);  in btf_ext_setup_func_info()
2553 static int btf_ext_setup_line_info(struct btf_ext *btf_ext)  in btf_ext_setup_line_info()  argument
2556 		.off = btf_ext->hdr->line_info_off,  in btf_ext_setup_line_info()
2557 		.len = btf_ext->hdr->line_info_len,  in btf_ext_setup_line_info()
2559 		.ext_info = &btf_ext->line_info,  in btf_ext_setup_line_info()
2563 	return btf_ext_setup_info(btf_ext, &param);  in btf_ext_setup_line_info()
2566 static int btf_ext_setup_core_relos(struct btf_ext *btf_ext)  in btf_ext_setup_core_relos()  argument
2569 		.off = btf_ext->hdr->core_relo_off,  in btf_ext_setup_core_relos()
2570 		.len = btf_ext->hdr->core_relo_len,  in btf_ext_setup_core_relos()
2572 		.ext_info = &btf_ext->core_relo_info,  in btf_ext_setup_core_relos()
2576 	return btf_ext_setup_info(btf_ext, &param);  in btf_ext_setup_core_relos()
2615 void btf_ext__free(struct btf_ext *btf_ext)  in btf_ext__free()  argument
2617 	if (IS_ERR_OR_NULL(btf_ext))  in btf_ext__free()
2619 	free(btf_ext->data);  in btf_ext__free()
2620 	free(btf_ext);  in btf_ext__free()
2623 struct btf_ext *btf_ext__new(__u8 *data, __u32 size)  in btf_ext__new()
2625 	struct btf_ext *btf_ext;  in btf_ext__new()  local
2632 	btf_ext = calloc(1, sizeof(struct btf_ext));  in btf_ext__new()
2633 	if (!btf_ext)  in btf_ext__new()
2636 	btf_ext->data_size = size;  in btf_ext__new()
2637 	btf_ext->data = malloc(size);  in btf_ext__new()
2638 	if (!btf_ext->data) {  in btf_ext__new()
2642 	memcpy(btf_ext->data, data, size);  in btf_ext__new()
2644 	if (btf_ext->hdr->hdr_len < offsetofend(struct btf_ext_header, line_info_len)) {  in btf_ext__new()
2649 	err = btf_ext_setup_func_info(btf_ext);  in btf_ext__new()
2653 	err = btf_ext_setup_line_info(btf_ext);  in btf_ext__new()
2657 	if (btf_ext->hdr->hdr_len < offsetofend(struct btf_ext_header, core_relo_len)) {  in btf_ext__new()
2662 	err = btf_ext_setup_core_relos(btf_ext);  in btf_ext__new()
2668 		btf_ext__free(btf_ext);  in btf_ext__new()
2672 	return btf_ext;  in btf_ext__new()
2675 const void *btf_ext__get_raw_data(const struct btf_ext *btf_ext, __u32 *size)  in btf_ext__get_raw_data()  argument
2677 	*size = btf_ext->data_size;  in btf_ext__get_raw_data()
2678 	return btf_ext->data;  in btf_ext__get_raw_data()
2729 			     const struct btf_ext *btf_ext,  in btf_ext__reloc_func_info()  argument
2733 	return btf_ext_reloc_info(btf, &btf_ext->func_info, sec_name,  in btf_ext__reloc_func_info()
2738 			     const struct btf_ext *btf_ext,  in btf_ext__reloc_line_info()  argument
2742 	return btf_ext_reloc_info(btf, &btf_ext->line_info, sec_name,  in btf_ext__reloc_line_info()
2746 __u32 btf_ext__func_info_rec_size(const struct btf_ext *btf_ext)  in btf_ext__func_info_rec_size()  argument
2748 	return btf_ext->func_info.rec_size;  in btf_ext__func_info_rec_size()
2751 __u32 btf_ext__line_info_rec_size(const struct btf_ext *btf_ext)  in btf_ext__line_info_rec_size()  argument
2753 	return btf_ext->line_info.rec_size;  in btf_ext__line_info_rec_size()
2758 static struct btf_dedup *btf_dedup_new(struct btf *btf, struct btf_ext *btf_ext,
2906 int btf__dedup(struct btf *btf, struct btf_ext *btf_ext,  in btf__dedup()  argument
2909 	struct btf_dedup *d = btf_dedup_new(btf, btf_ext, opts);  in btf__dedup()
2971 	struct btf_ext *btf_ext;  member
3073 static struct btf_dedup *btf_dedup_new(struct btf *btf, struct btf_ext *btf_ext,  in btf_dedup_new()  argument
3089 	d->btf_ext = btf_ext;  in btf_dedup_new()
3149 	if (!d->btf_ext)  in btf_for_each_str_off()
3152 	r = btf_ext_visit_str_offs(d->btf_ext, fn, ctx);  in btf_for_each_str_off()
4397 	if (!d->btf_ext)  in btf_dedup_remap_types()
4400 	r = btf_ext_visit_type_ids(d->btf_ext, btf_dedup_remap_type_id, d);  in btf_dedup_remap_types()
4584 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
4590 	seg = &btf_ext->func_info;  in btf_ext_visit_type_ids()
4601 	seg = &btf_ext->core_relo_info;  in btf_ext_visit_type_ids()
4615 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
4621 	seg = &btf_ext->func_info;  in btf_ext_visit_str_offs()
4628 	seg = &btf_ext->line_info;  in btf_ext_visit_str_offs()
4646 	seg = &btf_ext->core_relo_info;  in btf_ext_visit_str_offs()