100 static const char *btf_str(const struct btf *btf, __u32 off)  in btf_str()  argument
104 	return btf__name_by_offset(btf, off) ? : "(invalid)";  in btf_str()
112 static int dump_btf_type(const struct btf *btf, __u32 id,  in dump_btf_type()  argument
122 		jsonw_string_field(w, "name", btf_str(btf, t->name_off));  in dump_btf_type()
125 		       btf_str(btf, t->name_off));  in dump_btf_type()
186 			const char *name = btf_str(btf, m->name_off);  in dump_btf_type()
235 			const char *name = btf_str(btf, v->name_off);  in dump_btf_type()
273 			const char *name = btf_str(btf, v->name_off);  in dump_btf_type()
332 			const char *name = btf_str(btf, p->name_off);  in dump_btf_type()
386 				if (v->type < btf__type_cnt(btf)) {  in dump_btf_type()
387 					vt = btf__type_by_id(btf, v->type);  in dump_btf_type()
390 					       btf_str(btf, vt->name_off));  in dump_btf_type()
428 static int dump_btf_raw(const struct btf *btf,  in dump_btf_raw()  argument
442 			t = btf__type_by_id(btf, root_type_ids[i]);  in dump_btf_raw()
443 			dump_btf_type(btf, root_type_ids[i], t);  in dump_btf_raw()
446 		const struct btf *base;  in dump_btf_raw()
447 		int cnt = btf__type_cnt(btf);  in dump_btf_raw()
450 		base = btf__base_btf(btf);  in dump_btf_raw()
455 			t = btf__type_by_id(btf, i);  in dump_btf_raw()
456 			dump_btf_type(btf, i, t);  in dump_btf_raw()
467 static int dump_btf_kfuncs(struct btf_dump *d, const struct btf *btf)  in dump_btf_kfuncs()  argument
470 	int cnt = btf__type_cnt(btf);  in dump_btf_kfuncs()
477 		const struct btf_type *t = btf__type_by_id(btf, i);  in dump_btf_kfuncs()
487 		name = btf__name_by_offset(btf, t->name_off);  in dump_btf_kfuncs()
491 		t = btf__type_by_id(btf, t->type);  in dump_btf_kfuncs()
497 		opts.field_name = btf__name_by_offset(btf, t->name_off);  in dump_btf_kfuncs()
516 static int btf_type_rank(const struct btf *btf, __u32 index, bool has_name)  in btf_type_rank()  argument
518 	const struct btf_type *t = btf__type_by_id(btf, index);  in btf_type_rank()
539 			return btf_type_rank(btf, btf_array(t)->type, has_name);  in btf_type_rank()
549 			return btf_type_rank(btf, t->type, has_name);  in btf_type_rank()
556 static const char *btf_type_sort_name(const struct btf *btf, __u32 index, bool from_ref)  in btf_type_sort_name()  argument
558 	const struct btf_type *t = btf__type_by_id(btf, index);  in btf_type_sort_name()
570 		return btf__name_by_offset(btf, name_off);  in btf_type_sort_name()
573 		return btf_type_sort_name(btf, btf_array(t)->type, true);  in btf_type_sort_name()
581 		return btf_type_sort_name(btf, t->type, true);  in btf_type_sort_name()
583 		return btf__name_by_offset(btf, t->name_off);  in btf_type_sort_name()
593 static __u64 btf_name_hasher(__u64 hash, const struct btf *btf, __u32 name_off)  in btf_name_hasher()  argument
598 	return hasher(hash, str_hash(btf__name_by_offset(btf, name_off)));  in btf_name_hasher()
601 static __u64 btf_type_disambig_hash(const struct btf *btf, __u32 id, bool include_members)  in btf_type_disambig_hash()  argument
603 	const struct btf_type *t = btf__type_by_id(btf, id);  in btf_type_disambig_hash()
607 	hash = btf_name_hasher(hash, btf, t->name_off);  in btf_type_disambig_hash()
617 			hash = btf_name_hasher(hash, btf, name_off);  in btf_type_disambig_hash()
627 			hash = btf_name_hasher(hash, btf, m->name_off);  in btf_type_disambig_hash()
629 			hash = hasher(hash, btf_type_disambig_hash(btf, m->type, false));  in btf_type_disambig_hash()
639 		hash = hasher(hash, btf_type_disambig_hash(btf, t->type, include_members));  in btf_type_disambig_hash()
645 		hash = hasher(hash, btf_type_disambig_hash(btf, arr->type, include_members));  in btf_type_disambig_hash()
672 static struct sort_datum *sort_btf_c(const struct btf *btf)  in sort_btf_c()  argument
677 	n = btf__type_cnt(btf);  in sort_btf_c()
684 		const struct btf_type *t = btf__type_by_id(btf, i);  in sort_btf_c()
687 		d->type_rank = btf_type_rank(btf, i, false);  in sort_btf_c()
688 		d->sort_name = btf_type_sort_name(btf, i, false);  in sort_btf_c()
689 		d->own_name = btf__name_by_offset(btf, t->name_off);  in sort_btf_c()
690 		d->disambig_hash = btf_type_disambig_hash(btf, i, true);  in sort_btf_c()
698 static int dump_btf_c(const struct btf *btf,  in dump_btf_c()  argument
705 	d = btf_dump__new(btf, btf_dump_printf, NULL, NULL);  in dump_btf_c()
729 		int cnt = btf__type_cnt(btf);  in dump_btf_c()
732 			datums = sort_btf_c(btf);  in dump_btf_c()
741 		err = dump_btf_kfuncs(d, btf);  in dump_btf_c()
760 static struct btf *get_vmlinux_btf_from_sysfs(void)  in get_vmlinux_btf_from_sysfs()
762 	struct btf *base;  in get_vmlinux_btf_from_sysfs()
804 	struct btf *btf = NULL, *base = NULL;  in do_dump()  local
884 		btf = btf__parse_split(*argv, base ?: base_btf);  in do_dump()
885 		if (!btf) {  in do_dump()
927 	if (!btf) {  in do_dump()
934 		btf = btf__load_from_kernel_by_id_split(btf_id, base_btf);  in do_dump()
935 		if (!btf) {  in do_dump()
948 		err = dump_btf_c(btf, root_type_ids, root_type_cnt, sort_dump_c);  in do_dump()
950 		err = dump_btf_raw(btf, root_type_ids, root_type_cnt);  in do_dump()
955 	btf__free(btf);  in do_dump()