131 static const char *btf_name_of(const struct btf_dump *d, __u32 name_off)  in btf_name_of()  argument
133 	return btf__name_by_offset(d->btf, name_off);  in btf_name_of()
136 static void btf_dump_printf(const struct btf_dump *d, const char *fmt, ...)  in btf_dump_printf()  argument
141 	d->printf_fn(d->opts.ctx, fmt, args);  in btf_dump_printf()
145 static int btf_dump_mark_referenced(struct btf_dump *d);
146 static int btf_dump_resize(struct btf_dump *d);
153 	struct btf_dump *d;  in btf_dump__new()  local
156 	d = calloc(1, sizeof(struct btf_dump));  in btf_dump__new()
157 	if (!d)  in btf_dump__new()
160 	d->btf = btf;  in btf_dump__new()
161 	d->btf_ext = btf_ext;  in btf_dump__new()
162 	d->printf_fn = printf_fn;  in btf_dump__new()
163 	d->opts.ctx = opts ? opts->ctx : NULL;  in btf_dump__new()
164 	d->ptr_sz = btf__pointer_size(btf) ? : sizeof(void *);  in btf_dump__new()
166 	d->type_names = hashmap__new(str_hash_fn, str_equal_fn, NULL);  in btf_dump__new()
167 	if (IS_ERR(d->type_names)) {  in btf_dump__new()
168 		err = PTR_ERR(d->type_names);  in btf_dump__new()
169 		d->type_names = NULL;  in btf_dump__new()
172 	d->ident_names = hashmap__new(str_hash_fn, str_equal_fn, NULL);  in btf_dump__new()
173 	if (IS_ERR(d->ident_names)) {  in btf_dump__new()
174 		err = PTR_ERR(d->ident_names);  in btf_dump__new()
175 		d->ident_names = NULL;  in btf_dump__new()
179 	err = btf_dump_resize(d);  in btf_dump__new()
183 	return d;  in btf_dump__new()
185 	btf_dump__free(d);  in btf_dump__new()
189 static int btf_dump_resize(struct btf_dump *d)  in btf_dump_resize()  argument
191 	int err, last_id = btf__get_nr_types(d->btf);  in btf_dump_resize()
193 	if (last_id <= d->last_id)  in btf_dump_resize()
196 	if (libbpf_ensure_mem((void **)&d->type_states, &d->type_states_cap,  in btf_dump_resize()
197 			      sizeof(*d->type_states), last_id + 1))  in btf_dump_resize()
199 	if (libbpf_ensure_mem((void **)&d->cached_names, &d->cached_names_cap,  in btf_dump_resize()
200 			      sizeof(*d->cached_names), last_id + 1))  in btf_dump_resize()
203 	if (d->last_id == 0) {  in btf_dump_resize()
205 		d->type_states[0].order_state = ORDERED;  in btf_dump_resize()
206 		d->type_states[0].emit_state = EMITTED;  in btf_dump_resize()
210 	err = btf_dump_mark_referenced(d);  in btf_dump_resize()
214 	d->last_id = last_id;  in btf_dump_resize()
218 void btf_dump__free(struct btf_dump *d)  in btf_dump__free()  argument
222 	if (IS_ERR_OR_NULL(d))  in btf_dump__free()
225 	free(d->type_states);  in btf_dump__free()
226 	if (d->cached_names) {  in btf_dump__free()
228 		for (i = 0; i <= d->last_id; i++) {  in btf_dump__free()
229 			if (d->cached_names[i])  in btf_dump__free()
230 				free((void *)d->cached_names[i]);  in btf_dump__free()
233 	free(d->cached_names);  in btf_dump__free()
234 	free(d->emit_queue);  in btf_dump__free()
235 	free(d->decl_stack);  in btf_dump__free()
236 	hashmap__free(d->type_names);  in btf_dump__free()
237 	hashmap__free(d->ident_names);  in btf_dump__free()
239 	free(d);  in btf_dump__free()
242 static int btf_dump_order_type(struct btf_dump *d, __u32 id, bool through_ptr);
243 static void btf_dump_emit_type(struct btf_dump *d, __u32 id, __u32 cont_id);
261 int btf_dump__dump_type(struct btf_dump *d, __u32 id)  in btf_dump__dump_type()  argument
265 	if (id > btf__get_nr_types(d->btf))  in btf_dump__dump_type()
268 	err = btf_dump_resize(d);  in btf_dump__dump_type()
272 	d->emit_queue_cnt = 0;  in btf_dump__dump_type()
273 	err = btf_dump_order_type(d, id, false);  in btf_dump__dump_type()
277 	for (i = 0; i < d->emit_queue_cnt; i++)  in btf_dump__dump_type()
278 		btf_dump_emit_type(d, d->emit_queue[i], 0 /*top-level*/);  in btf_dump__dump_type()
295 static int btf_dump_mark_referenced(struct btf_dump *d)  in btf_dump_mark_referenced()  argument
297 	int i, j, n = btf__get_nr_types(d->btf);  in btf_dump_mark_referenced()
301 	for (i = d->last_id + 1; i <= n; i++) {  in btf_dump_mark_referenced()
302 		t = btf__type_by_id(d->btf, i);  in btf_dump_mark_referenced()
319 			d->type_states[t->type].referenced = 1;  in btf_dump_mark_referenced()
325 			d->type_states[a->index_type].referenced = 1;  in btf_dump_mark_referenced()
326 			d->type_states[a->type].referenced = 1;  in btf_dump_mark_referenced()
334 				d->type_states[m->type].referenced = 1;  in btf_dump_mark_referenced()
341 				d->type_states[p->type].referenced = 1;  in btf_dump_mark_referenced()
348 				d->type_states[v->type].referenced = 1;  in btf_dump_mark_referenced()
358 static int btf_dump_add_emit_queue_id(struct btf_dump *d, __u32 id)  in btf_dump_add_emit_queue_id()  argument
363 	if (d->emit_queue_cnt >= d->emit_queue_cap) {  in btf_dump_add_emit_queue_id()
364 		new_cap = max(16, d->emit_queue_cap * 3 / 2);  in btf_dump_add_emit_queue_id()
365 		new_queue = libbpf_reallocarray(d->emit_queue, new_cap, sizeof(new_queue[0]));  in btf_dump_add_emit_queue_id()
368 		d->emit_queue = new_queue;  in btf_dump_add_emit_queue_id()
369 		d->emit_queue_cap = new_cap;  in btf_dump_add_emit_queue_id()
372 	d->emit_queue[d->emit_queue_cnt++] = id;  in btf_dump_add_emit_queue_id()
450 static int btf_dump_order_type(struct btf_dump *d, __u32 id, bool through_ptr)  in btf_dump_order_type()  argument
463 	struct btf_dump_type_aux_state *tstate = &d->type_states[id];  in btf_dump_order_type()
472 	t = btf__type_by_id(d->btf, id);  in btf_dump_order_type()
489 		err = btf_dump_order_type(d, t->type, true);  in btf_dump_order_type()
494 		return btf_dump_order_type(d, btf_array(t)->type, false);  in btf_dump_order_type()
511 			err = btf_dump_order_type(d, m->type, false);  in btf_dump_order_type()
517 			err = btf_dump_add_emit_queue_id(d, id);  in btf_dump_order_type()
533 			err = btf_dump_add_emit_queue_id(d, id);  in btf_dump_order_type()
543 		is_strong = btf_dump_order_type(d, t->type, through_ptr);  in btf_dump_order_type()
552 		err = btf_dump_add_emit_queue_id(d, id);  in btf_dump_order_type()
556 		d->type_states[id].order_state = ORDERED;  in btf_dump_order_type()
562 		return btf_dump_order_type(d, t->type, through_ptr);  in btf_dump_order_type()
568 		err = btf_dump_order_type(d, t->type, through_ptr);  in btf_dump_order_type()
575 			err = btf_dump_order_type(d, p->type, through_ptr);  in btf_dump_order_type()
586 		d->type_states[id].order_state = ORDERED;  in btf_dump_order_type()
594 static void btf_dump_emit_missing_aliases(struct btf_dump *d, __u32 id,
597 static void btf_dump_emit_struct_fwd(struct btf_dump *d, __u32 id,
599 static void btf_dump_emit_struct_def(struct btf_dump *d, __u32 id,
602 static void btf_dump_emit_enum_fwd(struct btf_dump *d, __u32 id,
604 static void btf_dump_emit_enum_def(struct btf_dump *d, __u32 id,
607 static void btf_dump_emit_fwd_def(struct btf_dump *d, __u32 id,
610 static void btf_dump_emit_typedef_def(struct btf_dump *d, __u32 id,
619 static void btf_dump_emit_type_decl(struct btf_dump *d, __u32 id,
621 static void btf_dump_emit_type_chain(struct btf_dump *d,
625 static const char *btf_dump_type_name(struct btf_dump *d, __u32 id);
626 static const char *btf_dump_ident_name(struct btf_dump *d, __u32 id);
627 static size_t btf_dump_name_dups(struct btf_dump *d, struct hashmap *name_map,
630 static bool btf_dump_is_blacklisted(struct btf_dump *d, __u32 id)  in btf_dump_is_blacklisted()  argument
632 	const struct btf_type *t = btf__type_by_id(d->btf, id);  in btf_dump_is_blacklisted()
642 	return strcmp(btf_name_of(d, t->name_off), "__builtin_va_list") == 0;  in btf_dump_is_blacklisted()
663 static void btf_dump_emit_type(struct btf_dump *d, __u32 id, __u32 cont_id)  in btf_dump_emit_type()  argument
665 	struct btf_dump_type_aux_state *tstate = &d->type_states[id];  in btf_dump_emit_type()
673 	t = btf__type_by_id(d->btf, id);  in btf_dump_emit_type()
694 			btf_dump_emit_struct_fwd(d, id, t);  in btf_dump_emit_type()
695 			btf_dump_printf(d, ";\n\n");  in btf_dump_emit_type()
704 			if (!btf_dump_is_blacklisted(d, id)) {  in btf_dump_emit_type()
705 				btf_dump_emit_typedef_def(d, id, t, 0);  in btf_dump_emit_type()
706 				btf_dump_printf(d, ";\n\n");  in btf_dump_emit_type()
720 		btf_dump_emit_missing_aliases(d, id, t);  in btf_dump_emit_type()
726 			btf_dump_emit_enum_def(d, id, t, 0);  in btf_dump_emit_type()
727 			btf_dump_printf(d, ";\n\n");  in btf_dump_emit_type()
735 		btf_dump_emit_type(d, t->type, cont_id);  in btf_dump_emit_type()
738 		btf_dump_emit_type(d, btf_array(t)->type, cont_id);  in btf_dump_emit_type()
741 		btf_dump_emit_fwd_def(d, id, t);  in btf_dump_emit_type()
742 		btf_dump_printf(d, ";\n\n");  in btf_dump_emit_type()
747 		btf_dump_emit_type(d, t->type, id);  in btf_dump_emit_type()
755 		if (!tstate->fwd_emitted && !btf_dump_is_blacklisted(d, id)) {  in btf_dump_emit_type()
756 			btf_dump_emit_typedef_def(d, id, t, 0);  in btf_dump_emit_type()
757 			btf_dump_printf(d, ";\n\n");  in btf_dump_emit_type()
778 				btf_dump_emit_type(d, m->type, new_cont_id);  in btf_dump_emit_type()
780 			btf_dump_emit_struct_fwd(d, id, t);  in btf_dump_emit_type()
781 			btf_dump_printf(d, ";\n\n");  in btf_dump_emit_type()
786 			btf_dump_emit_struct_def(d, id, t, 0);  in btf_dump_emit_type()
787 			btf_dump_printf(d, ";\n\n");  in btf_dump_emit_type()
798 		btf_dump_emit_type(d, t->type, cont_id);  in btf_dump_emit_type()
800 			btf_dump_emit_type(d, p->type, cont_id);  in btf_dump_emit_type()
843 static void btf_dump_emit_bit_padding(const struct btf_dump *d,  in btf_dump_emit_bit_padding()  argument
848 	int ptr_bits = d->ptr_sz * 8;  in btf_dump_emit_bit_padding()
874 		btf_dump_printf(d, "\n%s%s: %d;", pfx(lvl), pad_type, pad_bits);  in btf_dump_emit_bit_padding()
879 static void btf_dump_emit_struct_fwd(struct btf_dump *d, __u32 id,  in btf_dump_emit_struct_fwd()  argument
882 	btf_dump_printf(d, "%s%s%s",  in btf_dump_emit_struct_fwd()
885 			btf_dump_type_name(d, id));  in btf_dump_emit_struct_fwd()
888 static void btf_dump_emit_struct_def(struct btf_dump *d,  in btf_dump_emit_struct_def()  argument
898 	packed = is_struct ? btf_is_struct_packed(d->btf, id, t) : 0;  in btf_dump_emit_struct_def()
900 	btf_dump_printf(d, "%s%s%s {",  in btf_dump_emit_struct_def()
903 			btf_dump_type_name(d, id));  in btf_dump_emit_struct_def()
909 		fname = btf_name_of(d, m->name_off);  in btf_dump_emit_struct_def()
912 		align = packed ? 1 : btf__align_of(d->btf, m->type);  in btf_dump_emit_struct_def()
914 		btf_dump_emit_bit_padding(d, off, m_off, m_sz, align, lvl + 1);  in btf_dump_emit_struct_def()
915 		btf_dump_printf(d, "\n%s", pfx(lvl + 1));  in btf_dump_emit_struct_def()
916 		btf_dump_emit_type_decl(d, m->type, fname, lvl + 1);  in btf_dump_emit_struct_def()
919 			btf_dump_printf(d, ": %d", m_sz);  in btf_dump_emit_struct_def()
922 			m_sz = max((__s64)0, btf__resolve_size(d->btf, m->type));  in btf_dump_emit_struct_def()
925 		btf_dump_printf(d, ";");  in btf_dump_emit_struct_def()
930 		align = packed ? 1 : btf__align_of(d->btf, id);  in btf_dump_emit_struct_def()
931 		btf_dump_emit_bit_padding(d, off, t->size * 8, 0, align,  in btf_dump_emit_struct_def()
936 		btf_dump_printf(d, "\n");  in btf_dump_emit_struct_def()
937 	btf_dump_printf(d, "%s}", pfx(lvl));  in btf_dump_emit_struct_def()
939 		btf_dump_printf(d, " __attribute__((packed))");  in btf_dump_emit_struct_def()
953 static void btf_dump_emit_missing_aliases(struct btf_dump *d, __u32 id,  in btf_dump_emit_missing_aliases()  argument
956 	const char *name = btf_dump_type_name(d, id);  in btf_dump_emit_missing_aliases()
961 			btf_dump_printf(d, "typedef %s %s;\n\n",  in btf_dump_emit_missing_aliases()
968 static void btf_dump_emit_enum_fwd(struct btf_dump *d, __u32 id,  in btf_dump_emit_enum_fwd()  argument
971 	btf_dump_printf(d, "enum %s", btf_dump_type_name(d, id));  in btf_dump_emit_enum_fwd()
974 static void btf_dump_emit_enum_def(struct btf_dump *d, __u32 id,  in btf_dump_emit_enum_def()  argument
984 	btf_dump_printf(d, "enum%s%s",  in btf_dump_emit_enum_def()
986 			btf_dump_type_name(d, id));  in btf_dump_emit_enum_def()
989 		btf_dump_printf(d, " {");  in btf_dump_emit_enum_def()
991 			name = btf_name_of(d, v->name_off);  in btf_dump_emit_enum_def()
993 			dup_cnt = btf_dump_name_dups(d, d->ident_names, name);  in btf_dump_emit_enum_def()
995 				btf_dump_printf(d, "\n%s%s___%zu = %u,",  in btf_dump_emit_enum_def()
999 				btf_dump_printf(d, "\n%s%s = %u,",  in btf_dump_emit_enum_def()
1004 		btf_dump_printf(d, "\n%s}", pfx(lvl));  in btf_dump_emit_enum_def()
1008 static void btf_dump_emit_fwd_def(struct btf_dump *d, __u32 id,  in btf_dump_emit_fwd_def()  argument
1011 	const char *name = btf_dump_type_name(d, id);  in btf_dump_emit_fwd_def()
1014 		btf_dump_printf(d, "union %s", name);  in btf_dump_emit_fwd_def()
1016 		btf_dump_printf(d, "struct %s", name);  in btf_dump_emit_fwd_def()
1019 static void btf_dump_emit_typedef_def(struct btf_dump *d, __u32 id,  in btf_dump_emit_typedef_def()  argument
1022 	const char *name = btf_dump_ident_name(d, id);  in btf_dump_emit_typedef_def()
1031 		btf_dump_printf(d, "typedef __builtin_va_list __gnuc_va_list");  in btf_dump_emit_typedef_def()
1035 	btf_dump_printf(d, "typedef ");  in btf_dump_emit_typedef_def()
1036 	btf_dump_emit_type_decl(d, t->type, name, lvl);  in btf_dump_emit_typedef_def()
1039 static int btf_dump_push_decl_stack_id(struct btf_dump *d, __u32 id)  in btf_dump_push_decl_stack_id()  argument
1044 	if (d->decl_stack_cnt >= d->decl_stack_cap) {  in btf_dump_push_decl_stack_id()
1045 		new_cap = max(16, d->decl_stack_cap * 3 / 2);  in btf_dump_push_decl_stack_id()
1046 		new_stack = libbpf_reallocarray(d->decl_stack, new_cap, sizeof(new_stack[0]));  in btf_dump_push_decl_stack_id()
1049 		d->decl_stack = new_stack;  in btf_dump_push_decl_stack_id()
1050 		d->decl_stack_cap = new_cap;  in btf_dump_push_decl_stack_id()
1053 	d->decl_stack[d->decl_stack_cnt++] = id;  in btf_dump_push_decl_stack_id()
1099 int btf_dump__emit_type_decl(struct btf_dump *d, __u32 id,  in btf_dump__emit_type_decl()  argument
1108 	err = btf_dump_resize(d);  in btf_dump__emit_type_decl()
1114 	d->strip_mods = OPTS_GET(opts, strip_mods, false);  in btf_dump__emit_type_decl()
1115 	btf_dump_emit_type_decl(d, id, fname, lvl);  in btf_dump__emit_type_decl()
1116 	d->strip_mods = false;  in btf_dump__emit_type_decl()
1120 static void btf_dump_emit_type_decl(struct btf_dump *d, __u32 id,  in btf_dump_emit_type_decl()  argument
1127 	stack_start = d->decl_stack_cnt;  in btf_dump_emit_type_decl()
1129 		t = btf__type_by_id(d->btf, id);  in btf_dump_emit_type_decl()
1130 		if (d->strip_mods && btf_is_mod(t))  in btf_dump_emit_type_decl()
1133 		err = btf_dump_push_decl_stack_id(d, id);  in btf_dump_emit_type_decl()
1140 			pr_warn("not enough memory for decl stack:%d", err);  in btf_dump_emit_type_decl()
1141 			d->decl_stack_cnt = stack_start;  in btf_dump_emit_type_decl()
1185 	decl_stack.ids = d->decl_stack + stack_start;  in btf_dump_emit_type_decl()
1186 	decl_stack.cnt = d->decl_stack_cnt - stack_start;  in btf_dump_emit_type_decl()
1187 	btf_dump_emit_type_chain(d, &decl_stack, fname, lvl);  in btf_dump_emit_type_decl()
1196 	d->decl_stack_cnt = stack_start;  in btf_dump_emit_type_decl()
1199 static void btf_dump_emit_mods(struct btf_dump *d, struct id_stack *decl_stack)  in btf_dump_emit_mods()  argument
1206 		t = btf__type_by_id(d->btf, id);  in btf_dump_emit_mods()
1210 			btf_dump_printf(d, "volatile ");  in btf_dump_emit_mods()
1213 			btf_dump_printf(d, "const ");  in btf_dump_emit_mods()
1216 			btf_dump_printf(d, "restrict ");  in btf_dump_emit_mods()
1225 static void btf_dump_drop_mods(struct btf_dump *d, struct id_stack *decl_stack)  in btf_dump_drop_mods()  argument
1232 		t = btf__type_by_id(d->btf, id);  in btf_dump_drop_mods()
1239 static void btf_dump_emit_name(const struct btf_dump *d,  in btf_dump_emit_name()  argument
1244 	btf_dump_printf(d, "%s%s", separate ? " " : "", name);  in btf_dump_emit_name()
1247 static void btf_dump_emit_type_chain(struct btf_dump *d,  in btf_dump_emit_type_chain()  argument
1270 			btf_dump_emit_mods(d, decls);  in btf_dump_emit_type_chain()
1271 			btf_dump_printf(d, "void");  in btf_dump_emit_type_chain()
1276 		t = btf__type_by_id(d->btf, id);  in btf_dump_emit_type_chain()
1282 			btf_dump_emit_mods(d, decls);  in btf_dump_emit_type_chain()
1283 			name = btf_name_of(d, t->name_off);  in btf_dump_emit_type_chain()
1284 			btf_dump_printf(d, "%s", name);  in btf_dump_emit_type_chain()
1288 			btf_dump_emit_mods(d, decls);  in btf_dump_emit_type_chain()
1290 			if (t->name_off == 0 && !d->skip_anon_defs)  in btf_dump_emit_type_chain()
1291 				btf_dump_emit_struct_def(d, id, t, lvl);  in btf_dump_emit_type_chain()
1293 				btf_dump_emit_struct_fwd(d, id, t);  in btf_dump_emit_type_chain()
1296 			btf_dump_emit_mods(d, decls);  in btf_dump_emit_type_chain()
1298 			if (t->name_off == 0 && !d->skip_anon_defs)  in btf_dump_emit_type_chain()
1299 				btf_dump_emit_enum_def(d, id, t, lvl);  in btf_dump_emit_type_chain()
1301 				btf_dump_emit_enum_fwd(d, id, t);  in btf_dump_emit_type_chain()
1304 			btf_dump_emit_mods(d, decls);  in btf_dump_emit_type_chain()
1305 			btf_dump_emit_fwd_def(d, id, t);  in btf_dump_emit_type_chain()
1308 			btf_dump_emit_mods(d, decls);  in btf_dump_emit_type_chain()
1309 			btf_dump_printf(d, "%s", btf_dump_ident_name(d, id));  in btf_dump_emit_type_chain()
1312 			btf_dump_printf(d, "%s", last_was_ptr ? "*" : " *");  in btf_dump_emit_type_chain()
1315 			btf_dump_printf(d, " volatile");  in btf_dump_emit_type_chain()
1318 			btf_dump_printf(d, " const");  in btf_dump_emit_type_chain()
1321 			btf_dump_printf(d, " restrict");  in btf_dump_emit_type_chain()
1338 			btf_dump_drop_mods(d, decls);  in btf_dump_emit_type_chain()
1341 				btf_dump_emit_name(d, fname, last_was_ptr);  in btf_dump_emit_type_chain()
1342 				btf_dump_printf(d, "[%u]", a->nelems);  in btf_dump_emit_type_chain()
1347 			next_t = btf__type_by_id(d->btf, next_id);  in btf_dump_emit_type_chain()
1351 				btf_dump_printf(d, " ");  in btf_dump_emit_type_chain()
1354 				btf_dump_printf(d, "(");  in btf_dump_emit_type_chain()
1355 			btf_dump_emit_type_chain(d, decls, fname, lvl);  in btf_dump_emit_type_chain()
1357 				btf_dump_printf(d, ")");  in btf_dump_emit_type_chain()
1358 			btf_dump_printf(d, "[%u]", a->nelems);  in btf_dump_emit_type_chain()
1374 			btf_dump_drop_mods(d, decls);  in btf_dump_emit_type_chain()
1376 				btf_dump_printf(d, " (");  in btf_dump_emit_type_chain()
1377 				btf_dump_emit_type_chain(d, decls, fname, lvl);  in btf_dump_emit_type_chain()
1378 				btf_dump_printf(d, ")");  in btf_dump_emit_type_chain()
1380 				btf_dump_emit_name(d, fname, last_was_ptr);  in btf_dump_emit_type_chain()
1382 			btf_dump_printf(d, "(");  in btf_dump_emit_type_chain()
1390 				btf_dump_printf(d, ")");  in btf_dump_emit_type_chain()
1396 					btf_dump_printf(d, ", ");  in btf_dump_emit_type_chain()
1400 					btf_dump_printf(d, "...");  in btf_dump_emit_type_chain()
1404 				name = btf_name_of(d, p->name_off);  in btf_dump_emit_type_chain()
1405 				btf_dump_emit_type_decl(d, p->type, name, lvl);  in btf_dump_emit_type_chain()
1408 			btf_dump_printf(d, ")");  in btf_dump_emit_type_chain()
1420 	btf_dump_emit_name(d, fname, last_was_ptr);  in btf_dump_emit_type_chain()
1424 static void btf_dump_emit_type_cast(struct btf_dump *d, __u32 id,  in btf_dump_emit_type_cast()  argument
1433 	if (d->typed_dump->is_array_member)  in btf_dump_emit_type_cast()
1439 	t = btf__type_by_id(d->btf, id);  in btf_dump_emit_type_cast()
1444 		btf_dump_printf(d, "(");  in btf_dump_emit_type_cast()
1446 	d->skip_anon_defs = true;  in btf_dump_emit_type_cast()
1447 	d->strip_mods = true;  in btf_dump_emit_type_cast()
1448 	btf_dump_emit_type_decl(d, id, "", 0);  in btf_dump_emit_type_cast()
1449 	d->strip_mods = false;  in btf_dump_emit_type_cast()
1450 	d->skip_anon_defs = false;  in btf_dump_emit_type_cast()
1453 		btf_dump_printf(d, ")");  in btf_dump_emit_type_cast()
1457 static size_t btf_dump_name_dups(struct btf_dump *d, struct hashmap *name_map,  in btf_dump_name_dups()  argument
1469 static const char *btf_dump_resolve_name(struct btf_dump *d, __u32 id,  in btf_dump_resolve_name()  argument
1472 	struct btf_dump_type_aux_state *s = &d->type_states[id];  in btf_dump_resolve_name()
1473 	const struct btf_type *t = btf__type_by_id(d->btf, id);  in btf_dump_resolve_name()
1474 	const char *orig_name = btf_name_of(d, t->name_off);  in btf_dump_resolve_name()
1475 	const char **cached_name = &d->cached_names[id];  in btf_dump_resolve_name()
1484 	dup_cnt = btf_dump_name_dups(d, name_map, orig_name);  in btf_dump_resolve_name()
1497 static const char *btf_dump_type_name(struct btf_dump *d, __u32 id)  in btf_dump_type_name()  argument
1499 	return btf_dump_resolve_name(d, id, d->type_names);  in btf_dump_type_name()
1502 static const char *btf_dump_ident_name(struct btf_dump *d, __u32 id)  in btf_dump_ident_name()  argument
1504 	return btf_dump_resolve_name(d, id, d->ident_names);  in btf_dump_ident_name()
1507 static int btf_dump_dump_type_data(struct btf_dump *d,
1515 static const char *btf_dump_data_newline(struct btf_dump *d)  in btf_dump_data_newline()  argument
1517 	return d->typed_dump->compact || d->typed_dump->depth == 0 ? "" : "\n";  in btf_dump_data_newline()
1520 static const char *btf_dump_data_delim(struct btf_dump *d)  in btf_dump_data_delim()  argument
1522 	return d->typed_dump->depth == 0 ? "" : ",";  in btf_dump_data_delim()
1525 static void btf_dump_data_pfx(struct btf_dump *d)  in btf_dump_data_pfx()  argument
1527 	int i, lvl = d->typed_dump->indent_lvl + d->typed_dump->depth;  in btf_dump_data_pfx()
1529 	if (d->typed_dump->compact)  in btf_dump_data_pfx()
1533 		btf_dump_printf(d, "%s", d->typed_dump->indent_str);  in btf_dump_data_pfx()
1541 #define btf_dump_type_values(d, fmt, ...)				\  argument
1542 	btf_dump_printf(d, fmt "%s%s",					\
1544 			btf_dump_data_delim(d),				\
1545 			btf_dump_data_newline(d))
1547 static int btf_dump_unsupported_data(struct btf_dump *d,  in btf_dump_unsupported_data()  argument
1551 	btf_dump_printf(d, "<unsupported kind:%u>", btf_kind(t));  in btf_dump_unsupported_data()
1555 static int btf_dump_get_bitfield_value(struct btf_dump *d,  in btf_dump_get_bitfield_value()  argument
1571 		pr_warn("unexpected bitfield size %d\n", sz);  in btf_dump_get_bitfield_value()
1597 static int btf_dump_bitfield_check_zero(struct btf_dump *d,  in btf_dump_bitfield_check_zero()  argument
1606 	err = btf_dump_get_bitfield_value(d, t, data, bits_offset, bit_sz, &check_num);  in btf_dump_bitfield_check_zero()
1614 static int btf_dump_bitfield_data(struct btf_dump *d,  in btf_dump_bitfield_data()  argument
1623 	err = btf_dump_get_bitfield_value(d, t, data, bits_offset, bit_sz, &print_num);  in btf_dump_bitfield_data()
1627 	btf_dump_type_values(d, "0x%llx", (unsigned long long)print_num);  in btf_dump_bitfield_data()
1633 static int btf_dump_base_type_check_zero(struct btf_dump *d,  in btf_dump_base_type_check_zero()  argument
1645 		nr_bytes = d->ptr_sz;  in btf_dump_base_type_check_zero()
1650 		pr_warn("unexpected size %d for id [%u]\n", nr_bytes, id);  in btf_dump_base_type_check_zero()
1664 static int btf_dump_int_data(struct btf_dump *d,  in btf_dump_int_data()  argument
1675 		pr_warn("unexpected size %d for id [%u]\n", sz, type_id);  in btf_dump_int_data()
1683 		return btf_dump_bitfield_data(d, t, data, 0, 0);  in btf_dump_int_data()
1703 			btf_dump_type_values(d, "0x%llx", (unsigned long long)lsi);  in btf_dump_int_data()
1705 			btf_dump_type_values(d, "0x%llx%016llx", (unsigned long long)msi,  in btf_dump_int_data()
1711 			btf_dump_type_values(d, "%lld", *(long long *)data);  in btf_dump_int_data()
1713 			btf_dump_type_values(d, "%llu", *(unsigned long long *)data);  in btf_dump_int_data()
1717 			btf_dump_type_values(d, "%d", *(__s32 *)data);  in btf_dump_int_data()
1719 			btf_dump_type_values(d, "%u", *(__u32 *)data);  in btf_dump_int_data()
1723 			btf_dump_type_values(d, "%d", *(__s16 *)data);  in btf_dump_int_data()
1725 			btf_dump_type_values(d, "%u", *(__u16 *)data);  in btf_dump_int_data()
1728 		if (d->typed_dump->is_array_char) {  in btf_dump_int_data()
1730 			if (d->typed_dump->is_array_terminated)  in btf_dump_int_data()
1733 				d->typed_dump->is_array_terminated = true;  in btf_dump_int_data()
1737 				btf_dump_type_values(d, "'%c'", *(char *)data);  in btf_dump_int_data()
1742 			btf_dump_type_values(d, "%d", *(__s8 *)data);  in btf_dump_int_data()
1744 			btf_dump_type_values(d, "%u", *(__u8 *)data);  in btf_dump_int_data()
1747 		pr_warn("unexpected sz %d for id [%u]\n", sz, type_id);  in btf_dump_int_data()
1755 	double d;  member
1759 static int btf_dump_float_data(struct btf_dump *d,  in btf_dump_float_data()  argument
1776 		btf_dump_type_values(d, "%Lf", flp->ld);  in btf_dump_float_data()
1779 		btf_dump_type_values(d, "%lf", flp->d);  in btf_dump_float_data()
1782 		btf_dump_type_values(d, "%f", flp->f);  in btf_dump_float_data()
1785 		pr_warn("unexpected size %d for id [%u]\n", sz, type_id);  in btf_dump_float_data()
1791 static int btf_dump_var_data(struct btf_dump *d,  in btf_dump_var_data()  argument
1817 	btf_dump_printf(d, "%s", l);  in btf_dump_var_data()
1819 	t = btf__type_by_id(d->btf, type_id);  in btf_dump_var_data()
1820 	btf_dump_emit_type_cast(d, type_id, false);  in btf_dump_var_data()
1821 	btf_dump_printf(d, " %s = ", btf_name_of(d, v->name_off));  in btf_dump_var_data()
1822 	return btf_dump_dump_type_data(d, NULL, t, type_id, data, 0, 0);  in btf_dump_var_data()
1825 static int btf_dump_array_data(struct btf_dump *d,  in btf_dump_array_data()  argument
1836 	elem_type = skip_mods_and_typedefs(d->btf, elem_type_id, NULL);  in btf_dump_array_data()
1837 	elem_size = btf__resolve_size(d->btf, elem_type_id);  in btf_dump_array_data()
1839 		pr_warn("unexpected elem size %d for array type [%u]\n", elem_size, id);  in btf_dump_array_data()
1850 			d->typed_dump->is_array_char = true;  in btf_dump_array_data()
1860 	d->typed_dump->depth++;  in btf_dump_array_data()
1861 	btf_dump_printf(d, "[%s", btf_dump_data_newline(d));  in btf_dump_array_data()
1866 	is_array_member = d->typed_dump->is_array_member;  in btf_dump_array_data()
1867 	d->typed_dump->is_array_member = true;  in btf_dump_array_data()
1869 		if (d->typed_dump->is_array_terminated)  in btf_dump_array_data()
1871 		btf_dump_dump_type_data(d, NULL, elem_type, elem_type_id, data, 0, 0);  in btf_dump_array_data()
1873 	d->typed_dump->is_array_member = is_array_member;  in btf_dump_array_data()
1874 	d->typed_dump->depth--;  in btf_dump_array_data()
1875 	btf_dump_data_pfx(d);  in btf_dump_array_data()
1876 	btf_dump_type_values(d, "]");  in btf_dump_array_data()
1881 static int btf_dump_struct_data(struct btf_dump *d,  in btf_dump_struct_data()  argument
1897 	d->typed_dump->depth++;  in btf_dump_struct_data()
1898 	btf_dump_printf(d, "{%s", btf_dump_data_newline(d));  in btf_dump_struct_data()
1906 		mtype = btf__type_by_id(d->btf, m->type);  in btf_dump_struct_data()
1907 		mname = btf_name_of(d, m->name_off);  in btf_dump_struct_data()
1911 		err = btf_dump_dump_type_data(d, mname, mtype, m->type, data + moffset / 8,  in btf_dump_struct_data()
1916 	d->typed_dump->depth--;  in btf_dump_struct_data()
1917 	btf_dump_data_pfx(d);  in btf_dump_struct_data()
1918 	btf_dump_type_values(d, "}");  in btf_dump_struct_data()
1927 static int btf_dump_ptr_data(struct btf_dump *d,  in btf_dump_ptr_data()  argument
1932 	if (ptr_is_aligned(data, d->ptr_sz) && d->ptr_sz == sizeof(void *)) {  in btf_dump_ptr_data()
1933 		btf_dump_type_values(d, "%p", *(void **)data);  in btf_dump_ptr_data()
1937 		memcpy(&pt, data, d->ptr_sz);  in btf_dump_ptr_data()
1938 		if (d->ptr_sz == 4)  in btf_dump_ptr_data()
1939 			btf_dump_type_values(d, "0x%x", pt.p);  in btf_dump_ptr_data()
1941 			btf_dump_type_values(d, "0x%llx", pt.lp);  in btf_dump_ptr_data()
1946 static int btf_dump_get_enum_value(struct btf_dump *d,  in btf_dump_get_enum_value()  argument
1959 		err = btf_dump_get_bitfield_value(d, t, data, 0, 0, &val);  in btf_dump_get_enum_value()
1980 		pr_warn("unexpected size %d for enum, id:[%u]\n", t->size, id);  in btf_dump_get_enum_value()
1985 static int btf_dump_enum_data(struct btf_dump *d,  in btf_dump_enum_data()  argument
1994 	err = btf_dump_get_enum_value(d, t, data, id, &value);  in btf_dump_enum_data()
2001 		btf_dump_type_values(d, "%s", btf_name_of(d, e->name_off));  in btf_dump_enum_data()
2005 	btf_dump_type_values(d, "%d", value);  in btf_dump_enum_data()
2009 static int btf_dump_datasec_data(struct btf_dump *d,  in btf_dump_datasec_data()  argument
2019 	btf_dump_type_values(d, "SEC(\"%s\") ", btf_name_of(d, t->name_off));  in btf_dump_datasec_data()
2022 		var = btf__type_by_id(d->btf, vsi->type);  in btf_dump_datasec_data()
2023 		err = btf_dump_dump_type_data(d, NULL, var, vsi->type, data + vsi->offset, 0, 0);  in btf_dump_datasec_data()
2026 		btf_dump_printf(d, ";");  in btf_dump_datasec_data()
2032 static int btf_dump_type_data_check_overflow(struct btf_dump *d,  in btf_dump_type_data_check_overflow()  argument
2038 	__s64 size = btf__resolve_size(d->btf, id);  in btf_dump_type_data_check_overflow()
2053 	t = skip_mods_and_typedefs(d->btf, id, NULL);  in btf_dump_type_data_check_overflow()
2065 		if (data + bits_offset / 8 + size > d->typed_dump->data_end)  in btf_dump_type_data_check_overflow()
2074 static int btf_dump_type_data_check_zero(struct btf_dump *d,  in btf_dump_type_data_check_zero()  argument
2095 	if (d->typed_dump->emit_zeroes || d->typed_dump->depth == 0 ||  in btf_dump_type_data_check_zero()
2096 	    (d->typed_dump->is_array_member &&  in btf_dump_type_data_check_zero()
2097 	     !d->typed_dump->is_array_char))  in btf_dump_type_data_check_zero()
2100 	t = skip_mods_and_typedefs(d->btf, id, NULL);  in btf_dump_type_data_check_zero()
2105 			return btf_dump_bitfield_check_zero(d, t, data, bits_offset, bit_sz);  in btf_dump_type_data_check_zero()
2106 		return btf_dump_base_type_check_zero(d, t, id, data);  in btf_dump_type_data_check_zero()
2109 		return btf_dump_base_type_check_zero(d, t, id, data);  in btf_dump_type_data_check_zero()
2117 		elem_size = btf__resolve_size(d->btf, elem_type_id);  in btf_dump_type_data_check_zero()
2118 		elem_type = skip_mods_and_typedefs(d->btf, elem_type_id, NULL);  in btf_dump_type_data_check_zero()
2131 			err = btf_dump_type_data_check_zero(d, elem_type,  in btf_dump_type_data_check_zero()
2153 			mtype = btf__type_by_id(d->btf, m->type);  in btf_dump_type_data_check_zero()
2161 			err = btf_dump_type_data_check_zero(d, mtype, m->type, data + moffset / 8,  in btf_dump_type_data_check_zero()
2169 		err = btf_dump_get_enum_value(d, t, data, id, &value);  in btf_dump_type_data_check_zero()
2181 static int btf_dump_dump_type_data(struct btf_dump *d,  in btf_dump_dump_type_data()  argument
2191 	size = btf_dump_type_data_check_overflow(d, t, id, data, bits_offset);  in btf_dump_dump_type_data()
2194 	err = btf_dump_type_data_check_zero(d, t, id, data, bits_offset, bit_sz);  in btf_dump_dump_type_data()
2203 	btf_dump_data_pfx(d);  in btf_dump_dump_type_data()
2205 	if (!d->typed_dump->skip_names) {  in btf_dump_dump_type_data()
2207 			btf_dump_printf(d, ".%s = ", fname);  in btf_dump_dump_type_data()
2208 		btf_dump_emit_type_cast(d, id, true);  in btf_dump_dump_type_data()
2211 	t = skip_mods_and_typedefs(d->btf, id, NULL);  in btf_dump_dump_type_data()
2218 		err = btf_dump_unsupported_data(d, t, id);  in btf_dump_dump_type_data()
2222 			err = btf_dump_bitfield_data(d, t, data, bits_offset, bit_sz);  in btf_dump_dump_type_data()
2224 			err = btf_dump_int_data(d, t, id, data, bits_offset);  in btf_dump_dump_type_data()
2227 		err = btf_dump_float_data(d, t, id, data);  in btf_dump_dump_type_data()
2230 		err = btf_dump_ptr_data(d, t, id, data);  in btf_dump_dump_type_data()
2233 		err = btf_dump_array_data(d, t, id, data);  in btf_dump_dump_type_data()
2237 		err = btf_dump_struct_data(d, t, id, data);  in btf_dump_dump_type_data()
2245 			err = btf_dump_get_bitfield_value(d, t, data, bits_offset, bit_sz,  in btf_dump_dump_type_data()
2250 			err = btf_dump_enum_data(d, t, id, &enum_val);  in btf_dump_dump_type_data()
2252 			err = btf_dump_enum_data(d, t, id, data);  in btf_dump_dump_type_data()
2255 		err = btf_dump_var_data(d, t, id, data);  in btf_dump_dump_type_data()
2258 		err = btf_dump_datasec_data(d, t, id, data);  in btf_dump_dump_type_data()
2270 int btf_dump__dump_type_data(struct btf_dump *d, __u32 id,  in btf_dump__dump_type_data()  argument
2281 	t = btf__type_by_id(d->btf, id);  in btf_dump__dump_type_data()
2285 	d->typed_dump = &typed_dump;  in btf_dump__dump_type_data()
2286 	d->typed_dump->data_end = data + data_sz;  in btf_dump__dump_type_data()
2287 	d->typed_dump->indent_lvl = OPTS_GET(opts, indent_level, 0);  in btf_dump__dump_type_data()
2291 		d->typed_dump->indent_str[0] = '\t';  in btf_dump__dump_type_data()
2293 		strncat(d->typed_dump->indent_str, opts->indent_str,  in btf_dump__dump_type_data()
2294 			sizeof(d->typed_dump->indent_str) - 1);  in btf_dump__dump_type_data()
2296 	d->typed_dump->compact = OPTS_GET(opts, compact, false);  in btf_dump__dump_type_data()
2297 	d->typed_dump->skip_names = OPTS_GET(opts, skip_names, false);  in btf_dump__dump_type_data()
2298 	d->typed_dump->emit_zeroes = OPTS_GET(opts, emit_zeroes, false);  in btf_dump__dump_type_data()
2300 	ret = btf_dump_dump_type_data(d, NULL, t, id, data, 0, 0);  in btf_dump__dump_type_data()
2302 	d->typed_dump = NULL;  in btf_dump__dump_type_data()