132 static const char *btf_name_of(const struct btf_dump *d, __u32 name_off)  in btf_name_of()  argument
134 	return btf__name_by_offset(d->btf, name_off);  in btf_name_of()
137 static void btf_dump_printf(const struct btf_dump *d, const char *fmt, ...)  in btf_dump_printf()  argument
142 	d->printf_fn(d->cb_ctx, fmt, args);  in btf_dump_printf()
146 static int btf_dump_mark_referenced(struct btf_dump *d);
147 static int btf_dump_resize(struct btf_dump *d);
154 	struct btf_dump *d;  in btf_dump__new()  local
163 	d = calloc(1, sizeof(struct btf_dump));  in btf_dump__new()
164 	if (!d)  in btf_dump__new()
167 	d->btf = btf;  in btf_dump__new()
168 	d->printf_fn = printf_fn;  in btf_dump__new()
169 	d->cb_ctx = ctx;  in btf_dump__new()
170 	d->ptr_sz = btf__pointer_size(btf) ? : sizeof(void *);  in btf_dump__new()
172 	d->type_names = hashmap__new(str_hash_fn, str_equal_fn, NULL);  in btf_dump__new()
173 	if (IS_ERR(d->type_names)) {  in btf_dump__new()
174 		err = PTR_ERR(d->type_names);  in btf_dump__new()
175 		d->type_names = NULL;  in btf_dump__new()
178 	d->ident_names = hashmap__new(str_hash_fn, str_equal_fn, NULL);  in btf_dump__new()
179 	if (IS_ERR(d->ident_names)) {  in btf_dump__new()
180 		err = PTR_ERR(d->ident_names);  in btf_dump__new()
181 		d->ident_names = NULL;  in btf_dump__new()
185 	err = btf_dump_resize(d);  in btf_dump__new()
189 	return d;  in btf_dump__new()
191 	btf_dump__free(d);  in btf_dump__new()
195 static int btf_dump_resize(struct btf_dump *d)  in btf_dump_resize()  argument
197 	int err, last_id = btf__type_cnt(d->btf) - 1;  in btf_dump_resize()
199 	if (last_id <= d->last_id)  in btf_dump_resize()
202 	if (libbpf_ensure_mem((void **)&d->type_states, &d->type_states_cap,  in btf_dump_resize()
203 			      sizeof(*d->type_states), last_id + 1))  in btf_dump_resize()
205 	if (libbpf_ensure_mem((void **)&d->cached_names, &d->cached_names_cap,  in btf_dump_resize()
206 			      sizeof(*d->cached_names), last_id + 1))  in btf_dump_resize()
209 	if (d->last_id == 0) {  in btf_dump_resize()
211 		d->type_states[0].order_state = ORDERED;  in btf_dump_resize()
212 		d->type_states[0].emit_state = EMITTED;  in btf_dump_resize()
216 	err = btf_dump_mark_referenced(d);  in btf_dump_resize()
220 	d->last_id = last_id;  in btf_dump_resize()
235 void btf_dump__free(struct btf_dump *d)  in btf_dump__free()  argument
239 	if (IS_ERR_OR_NULL(d))  in btf_dump__free()
242 	free(d->type_states);  in btf_dump__free()
243 	if (d->cached_names) {  in btf_dump__free()
245 		for (i = 0; i <= d->last_id; i++) {  in btf_dump__free()
246 			if (d->cached_names[i])  in btf_dump__free()
247 				free((void *)d->cached_names[i]);  in btf_dump__free()
250 	free(d->cached_names);  in btf_dump__free()
251 	free(d->emit_queue);  in btf_dump__free()
252 	free(d->decl_stack);  in btf_dump__free()
253 	btf_dump_free_names(d->type_names);  in btf_dump__free()
254 	btf_dump_free_names(d->ident_names);  in btf_dump__free()
256 	free(d);  in btf_dump__free()
259 static int btf_dump_order_type(struct btf_dump *d, __u32 id, bool through_ptr);
260 static void btf_dump_emit_type(struct btf_dump *d, __u32 id, __u32 cont_id);
278 int btf_dump__dump_type(struct btf_dump *d, __u32 id)  in btf_dump__dump_type()  argument
282 	if (id >= btf__type_cnt(d->btf))  in btf_dump__dump_type()
285 	err = btf_dump_resize(d);  in btf_dump__dump_type()
289 	d->emit_queue_cnt = 0;  in btf_dump__dump_type()
290 	err = btf_dump_order_type(d, id, false);  in btf_dump__dump_type()
294 	for (i = 0; i < d->emit_queue_cnt; i++)  in btf_dump__dump_type()
295 		btf_dump_emit_type(d, d->emit_queue[i], 0 /*top-level*/);  in btf_dump__dump_type()
312 static int btf_dump_mark_referenced(struct btf_dump *d)  in btf_dump_mark_referenced()  argument
314 	int i, j, n = btf__type_cnt(d->btf);  in btf_dump_mark_referenced()
318 	for (i = d->last_id + 1; i < n; i++) {  in btf_dump_mark_referenced()
319 		t = btf__type_by_id(d->btf, i);  in btf_dump_mark_referenced()
339 			d->type_states[t->type].referenced = 1;  in btf_dump_mark_referenced()
345 			d->type_states[a->index_type].referenced = 1;  in btf_dump_mark_referenced()
346 			d->type_states[a->type].referenced = 1;  in btf_dump_mark_referenced()
354 				d->type_states[m->type].referenced = 1;  in btf_dump_mark_referenced()
361 				d->type_states[p->type].referenced = 1;  in btf_dump_mark_referenced()
368 				d->type_states[v->type].referenced = 1;  in btf_dump_mark_referenced()
378 static int btf_dump_add_emit_queue_id(struct btf_dump *d, __u32 id)  in btf_dump_add_emit_queue_id()  argument
383 	if (d->emit_queue_cnt >= d->emit_queue_cap) {  in btf_dump_add_emit_queue_id()
384 		new_cap = max(16, d->emit_queue_cap * 3 / 2);  in btf_dump_add_emit_queue_id()
385 		new_queue = libbpf_reallocarray(d->emit_queue, new_cap, sizeof(new_queue[0]));  in btf_dump_add_emit_queue_id()
388 		d->emit_queue = new_queue;  in btf_dump_add_emit_queue_id()
389 		d->emit_queue_cap = new_cap;  in btf_dump_add_emit_queue_id()
392 	d->emit_queue[d->emit_queue_cnt++] = id;  in btf_dump_add_emit_queue_id()
470 static int btf_dump_order_type(struct btf_dump *d, __u32 id, bool through_ptr)  in btf_dump_order_type()  argument
483 	struct btf_dump_type_aux_state *tstate = &d->type_states[id];  in btf_dump_order_type()
492 	t = btf__type_by_id(d->btf, id);  in btf_dump_order_type()
509 		err = btf_dump_order_type(d, t->type, true);  in btf_dump_order_type()
514 		return btf_dump_order_type(d, btf_array(t)->type, false);  in btf_dump_order_type()
531 			err = btf_dump_order_type(d, m->type, false);  in btf_dump_order_type()
537 			err = btf_dump_add_emit_queue_id(d, id);  in btf_dump_order_type()
554 			err = btf_dump_add_emit_queue_id(d, id);  in btf_dump_order_type()
564 		is_strong = btf_dump_order_type(d, t->type, through_ptr);  in btf_dump_order_type()
573 		err = btf_dump_add_emit_queue_id(d, id);  in btf_dump_order_type()
577 		d->type_states[id].order_state = ORDERED;  in btf_dump_order_type()
584 		return btf_dump_order_type(d, t->type, through_ptr);  in btf_dump_order_type()
590 		err = btf_dump_order_type(d, t->type, through_ptr);  in btf_dump_order_type()
597 			err = btf_dump_order_type(d, p->type, through_ptr);  in btf_dump_order_type()
609 		d->type_states[id].order_state = ORDERED;  in btf_dump_order_type()
617 static void btf_dump_emit_missing_aliases(struct btf_dump *d, __u32 id,
620 static void btf_dump_emit_struct_fwd(struct btf_dump *d, __u32 id,
622 static void btf_dump_emit_struct_def(struct btf_dump *d, __u32 id,
625 static void btf_dump_emit_enum_fwd(struct btf_dump *d, __u32 id,
627 static void btf_dump_emit_enum_def(struct btf_dump *d, __u32 id,
630 static void btf_dump_emit_fwd_def(struct btf_dump *d, __u32 id,
633 static void btf_dump_emit_typedef_def(struct btf_dump *d, __u32 id,
642 static void btf_dump_emit_type_decl(struct btf_dump *d, __u32 id,
644 static void btf_dump_emit_type_chain(struct btf_dump *d,
648 static const char *btf_dump_type_name(struct btf_dump *d, __u32 id);
649 static const char *btf_dump_ident_name(struct btf_dump *d, __u32 id);
650 static size_t btf_dump_name_dups(struct btf_dump *d, struct hashmap *name_map,
653 static bool btf_dump_is_blacklisted(struct btf_dump *d, __u32 id)  in btf_dump_is_blacklisted()  argument
655 	const struct btf_type *t = btf__type_by_id(d->btf, id);  in btf_dump_is_blacklisted()
665 	return strcmp(btf_name_of(d, t->name_off), "__builtin_va_list") == 0;  in btf_dump_is_blacklisted()
686 static void btf_dump_emit_type(struct btf_dump *d, __u32 id, __u32 cont_id)  in btf_dump_emit_type()  argument
688 	struct btf_dump_type_aux_state *tstate = &d->type_states[id];  in btf_dump_emit_type()
696 	t = btf__type_by_id(d->btf, id);  in btf_dump_emit_type()
717 			btf_dump_emit_struct_fwd(d, id, t);  in btf_dump_emit_type()
718 			btf_dump_printf(d, ";\n\n");  in btf_dump_emit_type()
727 			if (!btf_dump_is_blacklisted(d, id)) {  in btf_dump_emit_type()
728 				btf_dump_emit_typedef_def(d, id, t, 0);  in btf_dump_emit_type()
729 				btf_dump_printf(d, ";\n\n");  in btf_dump_emit_type()
743 		btf_dump_emit_missing_aliases(d, id, t);  in btf_dump_emit_type()
750 			btf_dump_emit_enum_def(d, id, t, 0);  in btf_dump_emit_type()
751 			btf_dump_printf(d, ";\n\n");  in btf_dump_emit_type()
760 		btf_dump_emit_type(d, t->type, cont_id);  in btf_dump_emit_type()
763 		btf_dump_emit_type(d, btf_array(t)->type, cont_id);  in btf_dump_emit_type()
766 		btf_dump_emit_fwd_def(d, id, t);  in btf_dump_emit_type()
767 		btf_dump_printf(d, ";\n\n");  in btf_dump_emit_type()
772 		btf_dump_emit_type(d, t->type, id);  in btf_dump_emit_type()
780 		if (!tstate->fwd_emitted && !btf_dump_is_blacklisted(d, id)) {  in btf_dump_emit_type()
781 			btf_dump_emit_typedef_def(d, id, t, 0);  in btf_dump_emit_type()
782 			btf_dump_printf(d, ";\n\n");  in btf_dump_emit_type()
803 				btf_dump_emit_type(d, m->type, new_cont_id);  in btf_dump_emit_type()
805 			btf_dump_emit_struct_fwd(d, id, t);  in btf_dump_emit_type()
806 			btf_dump_printf(d, ";\n\n");  in btf_dump_emit_type()
811 			btf_dump_emit_struct_def(d, id, t, 0);  in btf_dump_emit_type()
812 			btf_dump_printf(d, ";\n\n");  in btf_dump_emit_type()
823 		btf_dump_emit_type(d, t->type, cont_id);  in btf_dump_emit_type()
825 			btf_dump_emit_type(d, p->type, cont_id);  in btf_dump_emit_type()
861 static void btf_dump_emit_bit_padding(const struct btf_dump *d,  in btf_dump_emit_bit_padding()  argument
869 		{"long", d->ptr_sz * 8}, {"int", 32}, {"short", 16}, {"char", 8}  in btf_dump_emit_bit_padding()
918 			btf_dump_printf(d, "\n%s%s: %d;", pfx(lvl), pad_type,  in btf_dump_emit_bit_padding()
932 			btf_dump_printf(d, "\n%s%s: %d;", pfx(lvl), pad_type, pad_bits);  in btf_dump_emit_bit_padding()
948 			btf_dump_printf(d, "\n%s%s: %d;", pfx(lvl), pad_type, bits);  in btf_dump_emit_bit_padding()
955 static void btf_dump_emit_struct_fwd(struct btf_dump *d, __u32 id,  in btf_dump_emit_struct_fwd()  argument
958 	btf_dump_printf(d, "%s%s%s",  in btf_dump_emit_struct_fwd()
961 			btf_dump_type_name(d, id));  in btf_dump_emit_struct_fwd()
964 static void btf_dump_emit_struct_def(struct btf_dump *d,  in btf_dump_emit_struct_def()  argument
975 	align = btf__align_of(d->btf, id);  in btf_dump_emit_struct_def()
976 	packed = is_struct ? btf_is_struct_packed(d->btf, id, t) : 0;  in btf_dump_emit_struct_def()
978 	btf_dump_printf(d, "%s%s%s {",  in btf_dump_emit_struct_def()
981 			btf_dump_type_name(d, id));  in btf_dump_emit_struct_def()
988 		fname = btf_name_of(d, m->name_off);  in btf_dump_emit_struct_def()
991 		m_align = packed ? 1 : btf__align_of(d->btf, m->type);  in btf_dump_emit_struct_def()
995 		btf_dump_emit_bit_padding(d, off, m_off, m_align, in_bitfield, lvl + 1);  in btf_dump_emit_struct_def()
996 		btf_dump_printf(d, "\n%s", pfx(lvl + 1));  in btf_dump_emit_struct_def()
997 		btf_dump_emit_type_decl(d, m->type, fname, lvl + 1);  in btf_dump_emit_struct_def()
1000 			btf_dump_printf(d, ": %d", m_sz);  in btf_dump_emit_struct_def()
1004 			m_sz = max((__s64)0, btf__resolve_size(d->btf, m->type));  in btf_dump_emit_struct_def()
1009 		btf_dump_printf(d, ";");  in btf_dump_emit_struct_def()
1014 		btf_dump_emit_bit_padding(d, off, t->size * 8, align, false, lvl + 1);  in btf_dump_emit_struct_def()
1021 		btf_dump_printf(d, "\n");  in btf_dump_emit_struct_def()
1022 		btf_dump_printf(d, "%s}", pfx(lvl));  in btf_dump_emit_struct_def()
1024 		btf_dump_printf(d, "}");  in btf_dump_emit_struct_def()
1027 		btf_dump_printf(d, " __attribute__((packed))");  in btf_dump_emit_struct_def()
1041 static void btf_dump_emit_missing_aliases(struct btf_dump *d, __u32 id,  in btf_dump_emit_missing_aliases()  argument
1044 	const char *name = btf_dump_type_name(d, id);  in btf_dump_emit_missing_aliases()
1049 			btf_dump_printf(d, "typedef %s %s;\n\n",  in btf_dump_emit_missing_aliases()
1056 static void btf_dump_emit_enum_fwd(struct btf_dump *d, __u32 id,  in btf_dump_emit_enum_fwd()  argument
1059 	btf_dump_printf(d, "enum %s", btf_dump_type_name(d, id));  in btf_dump_emit_enum_fwd()
1062 static void btf_dump_emit_enum32_val(struct btf_dump *d,  in btf_dump_emit_enum32_val()  argument
1074 		name = btf_name_of(d, v->name_off);  in btf_dump_emit_enum32_val()
1076 		dup_cnt = btf_dump_name_dups(d, d->ident_names, name);  in btf_dump_emit_enum32_val()
1078 			fmt_str = is_signed ? "\n%s%s___%zd = %d," : "\n%s%s___%zd = %u,";  in btf_dump_emit_enum32_val()
1079 			btf_dump_printf(d, fmt_str, pfx(lvl + 1), name, dup_cnt, v->val);  in btf_dump_emit_enum32_val()
1081 			fmt_str = is_signed ? "\n%s%s = %d," : "\n%s%s = %u,";  in btf_dump_emit_enum32_val()
1082 			btf_dump_printf(d, fmt_str, pfx(lvl + 1), name, v->val);  in btf_dump_emit_enum32_val()
1087 static void btf_dump_emit_enum64_val(struct btf_dump *d,  in btf_dump_emit_enum64_val()  argument
1100 		name = btf_name_of(d, v->name_off);  in btf_dump_emit_enum64_val()
1101 		dup_cnt = btf_dump_name_dups(d, d->ident_names, name);  in btf_dump_emit_enum64_val()
1106 			btf_dump_printf(d, fmt_str,  in btf_dump_emit_enum64_val()
1112 			btf_dump_printf(d, fmt_str,  in btf_dump_emit_enum64_val()
1118 static void btf_dump_emit_enum_def(struct btf_dump *d, __u32 id,  in btf_dump_emit_enum_def()  argument
1124 	btf_dump_printf(d, "enum%s%s",  in btf_dump_emit_enum_def()
1126 			btf_dump_type_name(d, id));  in btf_dump_emit_enum_def()
1131 	btf_dump_printf(d, " {");  in btf_dump_emit_enum_def()
1133 		btf_dump_emit_enum32_val(d, t, lvl, vlen);  in btf_dump_emit_enum_def()
1135 		btf_dump_emit_enum64_val(d, t, lvl, vlen);  in btf_dump_emit_enum_def()
1136 	btf_dump_printf(d, "\n%s}", pfx(lvl));  in btf_dump_emit_enum_def()
1141 		btf_dump_printf(d, " __attribute__((mode(byte)))");  in btf_dump_emit_enum_def()
1142 	} else if (t->size == 8 && d->ptr_sz == 8) {  in btf_dump_emit_enum_def()
1171 			btf_dump_printf(d, " __attribute__((mode(word)))");  in btf_dump_emit_enum_def()
1176 static void btf_dump_emit_fwd_def(struct btf_dump *d, __u32 id,  in btf_dump_emit_fwd_def()  argument
1179 	const char *name = btf_dump_type_name(d, id);  in btf_dump_emit_fwd_def()
1182 		btf_dump_printf(d, "union %s", name);  in btf_dump_emit_fwd_def()
1184 		btf_dump_printf(d, "struct %s", name);  in btf_dump_emit_fwd_def()
1187 static void btf_dump_emit_typedef_def(struct btf_dump *d, __u32 id,  in btf_dump_emit_typedef_def()  argument
1190 	const char *name = btf_dump_ident_name(d, id);  in btf_dump_emit_typedef_def()
1199 		btf_dump_printf(d, "typedef __builtin_va_list __gnuc_va_list");  in btf_dump_emit_typedef_def()
1203 	btf_dump_printf(d, "typedef ");  in btf_dump_emit_typedef_def()
1204 	btf_dump_emit_type_decl(d, t->type, name, lvl);  in btf_dump_emit_typedef_def()
1207 static int btf_dump_push_decl_stack_id(struct btf_dump *d, __u32 id)  in btf_dump_push_decl_stack_id()  argument
1212 	if (d->decl_stack_cnt >= d->decl_stack_cap) {  in btf_dump_push_decl_stack_id()
1213 		new_cap = max(16, d->decl_stack_cap * 3 / 2);  in btf_dump_push_decl_stack_id()
1214 		new_stack = libbpf_reallocarray(d->decl_stack, new_cap, sizeof(new_stack[0]));  in btf_dump_push_decl_stack_id()
1217 		d->decl_stack = new_stack;  in btf_dump_push_decl_stack_id()
1218 		d->decl_stack_cap = new_cap;  in btf_dump_push_decl_stack_id()
1221 	d->decl_stack[d->decl_stack_cnt++] = id;  in btf_dump_push_decl_stack_id()
1267 int btf_dump__emit_type_decl(struct btf_dump *d, __u32 id,  in btf_dump__emit_type_decl()  argument
1276 	err = btf_dump_resize(d);  in btf_dump__emit_type_decl()
1282 	d->strip_mods = OPTS_GET(opts, strip_mods, false);  in btf_dump__emit_type_decl()
1283 	btf_dump_emit_type_decl(d, id, fname, lvl);  in btf_dump__emit_type_decl()
1284 	d->strip_mods = false;  in btf_dump__emit_type_decl()
1288 static void btf_dump_emit_type_decl(struct btf_dump *d, __u32 id,  in btf_dump_emit_type_decl()  argument
1295 	stack_start = d->decl_stack_cnt;  in btf_dump_emit_type_decl()
1297 		t = btf__type_by_id(d->btf, id);  in btf_dump_emit_type_decl()
1298 		if (d->strip_mods && btf_is_mod(t))  in btf_dump_emit_type_decl()
1301 		err = btf_dump_push_decl_stack_id(d, id);  in btf_dump_emit_type_decl()
1309 			d->decl_stack_cnt = stack_start;  in btf_dump_emit_type_decl()
1355 	decl_stack.ids = d->decl_stack + stack_start;  in btf_dump_emit_type_decl()
1356 	decl_stack.cnt = d->decl_stack_cnt - stack_start;  in btf_dump_emit_type_decl()
1357 	btf_dump_emit_type_chain(d, &decl_stack, fname, lvl);  in btf_dump_emit_type_decl()
1366 	d->decl_stack_cnt = stack_start;  in btf_dump_emit_type_decl()
1369 static void btf_dump_emit_mods(struct btf_dump *d, struct id_stack *decl_stack)  in btf_dump_emit_mods()  argument
1376 		t = btf__type_by_id(d->btf, id);  in btf_dump_emit_mods()
1380 			btf_dump_printf(d, "volatile ");  in btf_dump_emit_mods()
1383 			btf_dump_printf(d, "const ");  in btf_dump_emit_mods()
1386 			btf_dump_printf(d, "restrict ");  in btf_dump_emit_mods()
1395 static void btf_dump_drop_mods(struct btf_dump *d, struct id_stack *decl_stack)  in btf_dump_drop_mods()  argument
1402 		t = btf__type_by_id(d->btf, id);  in btf_dump_drop_mods()
1409 static void btf_dump_emit_name(const struct btf_dump *d,  in btf_dump_emit_name()  argument
1414 	btf_dump_printf(d, "%s%s", separate ? " " : "", name);  in btf_dump_emit_name()
1417 static void btf_dump_emit_type_chain(struct btf_dump *d,  in btf_dump_emit_type_chain()  argument
1440 			btf_dump_emit_mods(d, decls);  in btf_dump_emit_type_chain()
1441 			btf_dump_printf(d, "void");  in btf_dump_emit_type_chain()
1446 		t = btf__type_by_id(d->btf, id);  in btf_dump_emit_type_chain()
1452 			btf_dump_emit_mods(d, decls);  in btf_dump_emit_type_chain()
1453 			name = btf_name_of(d, t->name_off);  in btf_dump_emit_type_chain()
1454 			btf_dump_printf(d, "%s", name);  in btf_dump_emit_type_chain()
1458 			btf_dump_emit_mods(d, decls);  in btf_dump_emit_type_chain()
1460 			if (t->name_off == 0 && !d->skip_anon_defs)  in btf_dump_emit_type_chain()
1461 				btf_dump_emit_struct_def(d, id, t, lvl);  in btf_dump_emit_type_chain()
1463 				btf_dump_emit_struct_fwd(d, id, t);  in btf_dump_emit_type_chain()
1467 			btf_dump_emit_mods(d, decls);  in btf_dump_emit_type_chain()
1469 			if (t->name_off == 0 && !d->skip_anon_defs)  in btf_dump_emit_type_chain()
1470 				btf_dump_emit_enum_def(d, id, t, lvl);  in btf_dump_emit_type_chain()
1472 				btf_dump_emit_enum_fwd(d, id, t);  in btf_dump_emit_type_chain()
1475 			btf_dump_emit_mods(d, decls);  in btf_dump_emit_type_chain()
1476 			btf_dump_emit_fwd_def(d, id, t);  in btf_dump_emit_type_chain()
1479 			btf_dump_emit_mods(d, decls);  in btf_dump_emit_type_chain()
1480 			btf_dump_printf(d, "%s", btf_dump_ident_name(d, id));  in btf_dump_emit_type_chain()
1483 			btf_dump_printf(d, "%s", last_was_ptr ? "*" : " *");  in btf_dump_emit_type_chain()
1486 			btf_dump_printf(d, " volatile");  in btf_dump_emit_type_chain()
1489 			btf_dump_printf(d, " const");  in btf_dump_emit_type_chain()
1492 			btf_dump_printf(d, " restrict");  in btf_dump_emit_type_chain()
1495 			btf_dump_emit_mods(d, decls);  in btf_dump_emit_type_chain()
1496 			name = btf_name_of(d, t->name_off);  in btf_dump_emit_type_chain()
1497 			btf_dump_printf(d, " __attribute__((btf_type_tag(\"%s\")))", name);  in btf_dump_emit_type_chain()
1514 			btf_dump_drop_mods(d, decls);  in btf_dump_emit_type_chain()
1517 				btf_dump_emit_name(d, fname, last_was_ptr);  in btf_dump_emit_type_chain()
1518 				btf_dump_printf(d, "[%u]", a->nelems);  in btf_dump_emit_type_chain()
1523 			next_t = btf__type_by_id(d->btf, next_id);  in btf_dump_emit_type_chain()
1527 				btf_dump_printf(d, " ");  in btf_dump_emit_type_chain()
1530 				btf_dump_printf(d, "(");  in btf_dump_emit_type_chain()
1531 			btf_dump_emit_type_chain(d, decls, fname, lvl);  in btf_dump_emit_type_chain()
1533 				btf_dump_printf(d, ")");  in btf_dump_emit_type_chain()
1534 			btf_dump_printf(d, "[%u]", a->nelems);  in btf_dump_emit_type_chain()
1550 			btf_dump_drop_mods(d, decls);  in btf_dump_emit_type_chain()
1552 				btf_dump_printf(d, " (");  in btf_dump_emit_type_chain()
1553 				btf_dump_emit_type_chain(d, decls, fname, lvl);  in btf_dump_emit_type_chain()
1554 				btf_dump_printf(d, ")");  in btf_dump_emit_type_chain()
1556 				btf_dump_emit_name(d, fname, last_was_ptr);  in btf_dump_emit_type_chain()
1558 			btf_dump_printf(d, "(");  in btf_dump_emit_type_chain()
1568 				btf_dump_printf(d, "void)");  in btf_dump_emit_type_chain()
1574 					btf_dump_printf(d, ", ");  in btf_dump_emit_type_chain()
1578 					btf_dump_printf(d, "...");  in btf_dump_emit_type_chain()
1582 				name = btf_name_of(d, p->name_off);  in btf_dump_emit_type_chain()
1583 				btf_dump_emit_type_decl(d, p->type, name, lvl);  in btf_dump_emit_type_chain()
1586 			btf_dump_printf(d, ")");  in btf_dump_emit_type_chain()
1598 	btf_dump_emit_name(d, fname, last_was_ptr);  in btf_dump_emit_type_chain()
1602 static void btf_dump_emit_type_cast(struct btf_dump *d, __u32 id,  in btf_dump_emit_type_cast()  argument
1611 	if (d->typed_dump->is_array_member)  in btf_dump_emit_type_cast()
1617 	t = btf__type_by_id(d->btf, id);  in btf_dump_emit_type_cast()
1622 		btf_dump_printf(d, "(");  in btf_dump_emit_type_cast()
1624 	d->skip_anon_defs = true;  in btf_dump_emit_type_cast()
1625 	d->strip_mods = true;  in btf_dump_emit_type_cast()
1626 	btf_dump_emit_type_decl(d, id, "", 0);  in btf_dump_emit_type_cast()
1627 	d->strip_mods = false;  in btf_dump_emit_type_cast()
1628 	d->skip_anon_defs = false;  in btf_dump_emit_type_cast()
1631 		btf_dump_printf(d, ")");  in btf_dump_emit_type_cast()
1635 static size_t btf_dump_name_dups(struct btf_dump *d, struct hashmap *name_map,  in btf_dump_name_dups()  argument
1658 static const char *btf_dump_resolve_name(struct btf_dump *d, __u32 id,  in btf_dump_resolve_name()  argument
1661 	struct btf_dump_type_aux_state *s = &d->type_states[id];  in btf_dump_resolve_name()
1662 	const struct btf_type *t = btf__type_by_id(d->btf, id);  in btf_dump_resolve_name()
1663 	const char *orig_name = btf_name_of(d, t->name_off);  in btf_dump_resolve_name()
1664 	const char **cached_name = &d->cached_names[id];  in btf_dump_resolve_name()
1678 	dup_cnt = btf_dump_name_dups(d, name_map, orig_name);  in btf_dump_resolve_name()
1691 static const char *btf_dump_type_name(struct btf_dump *d, __u32 id)  in btf_dump_type_name()  argument
1693 	return btf_dump_resolve_name(d, id, d->type_names);  in btf_dump_type_name()
1696 static const char *btf_dump_ident_name(struct btf_dump *d, __u32 id)  in btf_dump_ident_name()  argument
1698 	return btf_dump_resolve_name(d, id, d->ident_names);  in btf_dump_ident_name()
1701 static int btf_dump_dump_type_data(struct btf_dump *d,
1709 static const char *btf_dump_data_newline(struct btf_dump *d)  in btf_dump_data_newline()  argument
1711 	return d->typed_dump->compact || d->typed_dump->depth == 0 ? "" : "\n";  in btf_dump_data_newline()
1714 static const char *btf_dump_data_delim(struct btf_dump *d)  in btf_dump_data_delim()  argument
1716 	return d->typed_dump->depth == 0 ? "" : ",";  in btf_dump_data_delim()
1719 static void btf_dump_data_pfx(struct btf_dump *d)  in btf_dump_data_pfx()  argument
1721 	int i, lvl = d->typed_dump->indent_lvl + d->typed_dump->depth;  in btf_dump_data_pfx()
1723 	if (d->typed_dump->compact)  in btf_dump_data_pfx()
1727 		btf_dump_printf(d, "%s", d->typed_dump->indent_str);  in btf_dump_data_pfx()
1735 #define btf_dump_type_values(d, fmt, ...)				\  argument
1736 	btf_dump_printf(d, fmt "%s%s",					\
1738 			btf_dump_data_delim(d),				\
1739 			btf_dump_data_newline(d))
1741 static int btf_dump_unsupported_data(struct btf_dump *d,  in btf_dump_unsupported_data()  argument
1745 	btf_dump_printf(d, "<unsupported kind:%u>", btf_kind(t));  in btf_dump_unsupported_data()
1749 static int btf_dump_get_bitfield_value(struct btf_dump *d,  in btf_dump_get_bitfield_value()  argument
1764 		pr_warn("unexpected bitfield size %d\n", t->size);  in btf_dump_get_bitfield_value()
1790 static int btf_dump_bitfield_check_zero(struct btf_dump *d,  in btf_dump_bitfield_check_zero()  argument
1799 	err = btf_dump_get_bitfield_value(d, t, data, bits_offset, bit_sz, &check_num);  in btf_dump_bitfield_check_zero()
1807 static int btf_dump_bitfield_data(struct btf_dump *d,  in btf_dump_bitfield_data()  argument
1816 	err = btf_dump_get_bitfield_value(d, t, data, bits_offset, bit_sz, &print_num);  in btf_dump_bitfield_data()
1820 	btf_dump_type_values(d, "0x%llx", (unsigned long long)print_num);  in btf_dump_bitfield_data()
1826 static int btf_dump_base_type_check_zero(struct btf_dump *d,  in btf_dump_base_type_check_zero()  argument
1838 		nr_bytes = d->ptr_sz;  in btf_dump_base_type_check_zero()
1843 		pr_warn("unexpected size %d for id [%u]\n", nr_bytes, id);  in btf_dump_base_type_check_zero()
1863 static int btf_dump_int_data(struct btf_dump *d,  in btf_dump_int_data()  argument
1875 		pr_warn("unexpected size %d for id [%u]\n", sz, type_id);  in btf_dump_int_data()
1882 	if (!ptr_is_aligned(d->btf, type_id, data)) {  in btf_dump_int_data()
1905 			btf_dump_type_values(d, "0x%llx", (unsigned long long)lsi);  in btf_dump_int_data()
1907 			btf_dump_type_values(d, "0x%llx%016llx", (unsigned long long)msi,  in btf_dump_int_data()
1913 			btf_dump_type_values(d, "%lld", *(long long *)data);  in btf_dump_int_data()
1915 			btf_dump_type_values(d, "%llu", *(unsigned long long *)data);  in btf_dump_int_data()
1919 			btf_dump_type_values(d, "%d", *(__s32 *)data);  in btf_dump_int_data()
1921 			btf_dump_type_values(d, "%u", *(__u32 *)data);  in btf_dump_int_data()
1925 			btf_dump_type_values(d, "%d", *(__s16 *)data);  in btf_dump_int_data()
1927 			btf_dump_type_values(d, "%u", *(__u16 *)data);  in btf_dump_int_data()
1930 		if (d->typed_dump->is_array_char) {  in btf_dump_int_data()
1932 			if (d->typed_dump->is_array_terminated)  in btf_dump_int_data()
1935 				btf_dump_type_values(d, "'\\0'");  in btf_dump_int_data()
1936 				d->typed_dump->is_array_terminated = true;  in btf_dump_int_data()
1940 				btf_dump_type_values(d, "'%c'", *(char *)data);  in btf_dump_int_data()
1945 			btf_dump_type_values(d, "%d", *(__s8 *)data);  in btf_dump_int_data()
1947 			btf_dump_type_values(d, "%u", *(__u8 *)data);  in btf_dump_int_data()
1950 		pr_warn("unexpected sz %d for id [%u]\n", sz, type_id);  in btf_dump_int_data()
1958 	double d;  member
1962 static int btf_dump_float_data(struct btf_dump *d,  in btf_dump_float_data()  argument
1972 	if (!ptr_is_aligned(d->btf, type_id, data)) {  in btf_dump_float_data()
1979 		btf_dump_type_values(d, "%Lf", flp->ld);  in btf_dump_float_data()
1982 		btf_dump_type_values(d, "%lf", flp->d);  in btf_dump_float_data()
1985 		btf_dump_type_values(d, "%f", flp->f);  in btf_dump_float_data()
1988 		pr_warn("unexpected size %d for id [%u]\n", sz, type_id);  in btf_dump_float_data()
1994 static int btf_dump_var_data(struct btf_dump *d,  in btf_dump_var_data()  argument
2020 	btf_dump_printf(d, "%s", l);  in btf_dump_var_data()
2022 	t = btf__type_by_id(d->btf, type_id);  in btf_dump_var_data()
2023 	btf_dump_emit_type_cast(d, type_id, false);  in btf_dump_var_data()
2024 	btf_dump_printf(d, " %s = ", btf_name_of(d, v->name_off));  in btf_dump_var_data()
2025 	return btf_dump_dump_type_data(d, NULL, t, type_id, data, 0, 0);  in btf_dump_var_data()
2028 static int btf_dump_array_data(struct btf_dump *d,  in btf_dump_array_data()  argument
2041 	elem_type = skip_mods_and_typedefs(d->btf, elem_type_id, NULL);  in btf_dump_array_data()
2042 	elem_size = btf__resolve_size(d->btf, elem_type_id);  in btf_dump_array_data()
2056 			d->typed_dump->is_array_char = true;  in btf_dump_array_data()
2066 	d->typed_dump->depth++;  in btf_dump_array_data()
2067 	btf_dump_printf(d, "[%s", btf_dump_data_newline(d));  in btf_dump_array_data()
2072 	is_array_member = d->typed_dump->is_array_member;  in btf_dump_array_data()
2073 	d->typed_dump->is_array_member = true;  in btf_dump_array_data()
2074 	is_array_terminated = d->typed_dump->is_array_terminated;  in btf_dump_array_data()
2075 	d->typed_dump->is_array_terminated = false;  in btf_dump_array_data()
2077 		if (d->typed_dump->is_array_terminated)  in btf_dump_array_data()
2079 		btf_dump_dump_type_data(d, NULL, elem_type, elem_type_id, data, 0, 0);  in btf_dump_array_data()
2081 	d->typed_dump->is_array_member = is_array_member;  in btf_dump_array_data()
2082 	d->typed_dump->is_array_terminated = is_array_terminated;  in btf_dump_array_data()
2083 	d->typed_dump->depth--;  in btf_dump_array_data()
2084 	btf_dump_data_pfx(d);  in btf_dump_array_data()
2085 	btf_dump_type_values(d, "]");  in btf_dump_array_data()
2090 static int btf_dump_struct_data(struct btf_dump *d,  in btf_dump_struct_data()  argument
2106 	d->typed_dump->depth++;  in btf_dump_struct_data()
2107 	btf_dump_printf(d, "{%s", btf_dump_data_newline(d));  in btf_dump_struct_data()
2115 		mtype = btf__type_by_id(d->btf, m->type);  in btf_dump_struct_data()
2116 		mname = btf_name_of(d, m->name_off);  in btf_dump_struct_data()
2120 		err = btf_dump_dump_type_data(d, mname, mtype, m->type, data + moffset / 8,  in btf_dump_struct_data()
2125 	d->typed_dump->depth--;  in btf_dump_struct_data()
2126 	btf_dump_data_pfx(d);  in btf_dump_struct_data()
2127 	btf_dump_type_values(d, "}");  in btf_dump_struct_data()
2136 static int btf_dump_ptr_data(struct btf_dump *d,  in btf_dump_ptr_data()  argument
2141 	if (ptr_is_aligned(d->btf, id, data) && d->ptr_sz == sizeof(void *)) {  in btf_dump_ptr_data()
2142 		btf_dump_type_values(d, "%p", *(void **)data);  in btf_dump_ptr_data()
2146 		memcpy(&pt, data, d->ptr_sz);  in btf_dump_ptr_data()
2147 		if (d->ptr_sz == 4)  in btf_dump_ptr_data()
2148 			btf_dump_type_values(d, "0x%x", pt.p);  in btf_dump_ptr_data()
2150 			btf_dump_type_values(d, "0x%llx", pt.lp);  in btf_dump_ptr_data()
2155 static int btf_dump_get_enum_value(struct btf_dump *d,  in btf_dump_get_enum_value()  argument
2163 	if (!ptr_is_aligned(d->btf, id, data)) {  in btf_dump_get_enum_value()
2167 		err = btf_dump_get_bitfield_value(d, t, data, 0, 0, &val);  in btf_dump_get_enum_value()
2188 		pr_warn("unexpected size %d for enum, id:[%u]\n", t->size, id);  in btf_dump_get_enum_value()
2193 static int btf_dump_enum_data(struct btf_dump *d,  in btf_dump_enum_data()  argument
2202 	err = btf_dump_get_enum_value(d, t, data, id, &value);  in btf_dump_enum_data()
2213 			btf_dump_type_values(d, "%s", btf_name_of(d, e->name_off));  in btf_dump_enum_data()
2217 		btf_dump_type_values(d, is_signed ? "%d" : "%u", value);  in btf_dump_enum_data()
2224 			btf_dump_type_values(d, "%s", btf_name_of(d, e->name_off));  in btf_dump_enum_data()
2228 		btf_dump_type_values(d, is_signed ? "%lldLL" : "%lluULL",  in btf_dump_enum_data()
2234 static int btf_dump_datasec_data(struct btf_dump *d,  in btf_dump_datasec_data()  argument
2244 	btf_dump_type_values(d, "SEC(\"%s\") ", btf_name_of(d, t->name_off));  in btf_dump_datasec_data()
2247 		var = btf__type_by_id(d->btf, vsi->type);  in btf_dump_datasec_data()
2248 		err = btf_dump_dump_type_data(d, NULL, var, vsi->type, data + vsi->offset, 0, 0);  in btf_dump_datasec_data()
2251 		btf_dump_printf(d, ";");  in btf_dump_datasec_data()
2257 static int btf_dump_type_data_check_overflow(struct btf_dump *d,  in btf_dump_type_data_check_overflow()  argument
2276 		return data + nr_bytes > d->typed_dump->data_end ? -E2BIG : nr_bytes;  in btf_dump_type_data_check_overflow()
2279 	size = btf__resolve_size(d->btf, id);  in btf_dump_type_data_check_overflow()
2294 	t = skip_mods_and_typedefs(d->btf, id, NULL);  in btf_dump_type_data_check_overflow()
2307 		if (data + bits_offset / 8 + size > d->typed_dump->data_end)  in btf_dump_type_data_check_overflow()
2316 static int btf_dump_type_data_check_zero(struct btf_dump *d,  in btf_dump_type_data_check_zero()  argument
2337 	if (d->typed_dump->emit_zeroes || d->typed_dump->depth == 0 ||  in btf_dump_type_data_check_zero()
2338 	    (d->typed_dump->is_array_member &&  in btf_dump_type_data_check_zero()
2339 	     !d->typed_dump->is_array_char))  in btf_dump_type_data_check_zero()
2342 	t = skip_mods_and_typedefs(d->btf, id, NULL);  in btf_dump_type_data_check_zero()
2347 			return btf_dump_bitfield_check_zero(d, t, data, bits_offset, bit_sz);  in btf_dump_type_data_check_zero()
2348 		return btf_dump_base_type_check_zero(d, t, id, data);  in btf_dump_type_data_check_zero()
2351 		return btf_dump_base_type_check_zero(d, t, id, data);  in btf_dump_type_data_check_zero()
2359 		elem_size = btf__resolve_size(d->btf, elem_type_id);  in btf_dump_type_data_check_zero()
2360 		elem_type = skip_mods_and_typedefs(d->btf, elem_type_id, NULL);  in btf_dump_type_data_check_zero()
2373 			err = btf_dump_type_data_check_zero(d, elem_type,  in btf_dump_type_data_check_zero()
2395 			mtype = btf__type_by_id(d->btf, m->type);  in btf_dump_type_data_check_zero()
2403 			err = btf_dump_type_data_check_zero(d, mtype, m->type, data + moffset / 8,  in btf_dump_type_data_check_zero()
2412 		err = btf_dump_get_enum_value(d, t, data, id, &value);  in btf_dump_type_data_check_zero()
2424 static int btf_dump_dump_type_data(struct btf_dump *d,  in btf_dump_dump_type_data()  argument
2434 	size = btf_dump_type_data_check_overflow(d, t, id, data, bits_offset, bit_sz);  in btf_dump_dump_type_data()
2437 	err = btf_dump_type_data_check_zero(d, t, id, data, bits_offset, bit_sz);  in btf_dump_dump_type_data()
2446 	btf_dump_data_pfx(d);  in btf_dump_dump_type_data()
2448 	if (!d->typed_dump->skip_names) {  in btf_dump_dump_type_data()
2450 			btf_dump_printf(d, ".%s = ", fname);  in btf_dump_dump_type_data()
2451 		btf_dump_emit_type_cast(d, id, true);  in btf_dump_dump_type_data()
2454 	t = skip_mods_and_typedefs(d->btf, id, NULL);  in btf_dump_dump_type_data()
2462 		err = btf_dump_unsupported_data(d, t, id);  in btf_dump_dump_type_data()
2466 			err = btf_dump_bitfield_data(d, t, data, bits_offset, bit_sz);  in btf_dump_dump_type_data()
2468 			err = btf_dump_int_data(d, t, id, data, bits_offset);  in btf_dump_dump_type_data()
2471 		err = btf_dump_float_data(d, t, id, data);  in btf_dump_dump_type_data()
2474 		err = btf_dump_ptr_data(d, t, id, data);  in btf_dump_dump_type_data()
2477 		err = btf_dump_array_data(d, t, id, data);  in btf_dump_dump_type_data()
2481 		err = btf_dump_struct_data(d, t, id, data);  in btf_dump_dump_type_data()
2490 			err = btf_dump_get_bitfield_value(d, t, data, bits_offset, bit_sz,  in btf_dump_dump_type_data()
2495 			err = btf_dump_enum_data(d, t, id, &enum_val);  in btf_dump_dump_type_data()
2497 			err = btf_dump_enum_data(d, t, id, data);  in btf_dump_dump_type_data()
2500 		err = btf_dump_var_data(d, t, id, data);  in btf_dump_dump_type_data()
2503 		err = btf_dump_datasec_data(d, t, id, data);  in btf_dump_dump_type_data()
2515 int btf_dump__dump_type_data(struct btf_dump *d, __u32 id,  in btf_dump__dump_type_data()  argument
2526 	t = btf__type_by_id(d->btf, id);  in btf_dump__dump_type_data()
2530 	d->typed_dump = &typed_dump;  in btf_dump__dump_type_data()
2531 	d->typed_dump->data_end = data + data_sz;  in btf_dump__dump_type_data()
2532 	d->typed_dump->indent_lvl = OPTS_GET(opts, indent_level, 0);  in btf_dump__dump_type_data()
2536 		d->typed_dump->indent_str[0] = '\t';  in btf_dump__dump_type_data()
2538 		libbpf_strlcpy(d->typed_dump->indent_str, opts->indent_str,  in btf_dump__dump_type_data()
2539 			       sizeof(d->typed_dump->indent_str));  in btf_dump__dump_type_data()
2541 	d->typed_dump->compact = OPTS_GET(opts, compact, false);  in btf_dump__dump_type_data()
2542 	d->typed_dump->skip_names = OPTS_GET(opts, skip_names, false);  in btf_dump__dump_type_data()
2543 	d->typed_dump->emit_zeroes = OPTS_GET(opts, emit_zeroes, false);  in btf_dump__dump_type_data()
2545 	ret = btf_dump_dump_type_data(d, NULL, t, id, data, 0, 0);  in btf_dump__dump_type_data()
2547 	d->typed_dump = NULL;  in btf_dump__dump_type_data()