169 	struct symbol *sym;  in find_symbol()  local
171 	for (sym = symtab[h]; sym; sym = sym->hash_next)  in find_symbol()
172 		if (map_to_ns(sym->type) == map_to_ns(ns) &&  in find_symbol()
173 		    strcmp(name, sym->name) == 0 &&  in find_symbol()
174 		    sym->is_declared)  in find_symbol()
177 	if (exact && sym && sym->type != ns)  in find_symbol()
179 	return sym;  in find_symbol()
182 static int is_unknown_symbol(struct symbol *sym)  in is_unknown_symbol()  argument
186 	return ((sym->type == SYM_STRUCT ||  in is_unknown_symbol()
187 		 sym->type == SYM_UNION ||  in is_unknown_symbol()
188 		 sym->type == SYM_ENUM) &&  in is_unknown_symbol()
189 		(defn = sym->defn)  && defn->tag == SYM_NORMAL &&  in is_unknown_symbol()
202 	struct symbol *sym;  in __add_symbol()  local
242 	for (sym = symtab[h]; sym; sym = sym->hash_next) {  in __add_symbol()
243 		if (map_to_ns(sym->type) == map_to_ns(type) &&  in __add_symbol()
244 		    strcmp(name, sym->name) == 0) {  in __add_symbol()
247 			else if (sym->type == type &&  in __add_symbol()
248 				 equal_list(sym->defn, defn)) {  in __add_symbol()
249 				if (!sym->is_declared && sym->is_override) {  in __add_symbol()
255 				sym->is_declared = 1;  in __add_symbol()
256 				return sym;  in __add_symbol()
257 			} else if (!sym->is_declared) {  in __add_symbol()
258 				if (sym->is_override && flag_preserve) {  in __add_symbol()
263 					sym->is_declared = 1;  in __add_symbol()
264 					return sym;  in __add_symbol()
266 					status = is_unknown_symbol(sym) ?  in __add_symbol()
271 				return sym;  in __add_symbol()
277 	if (sym) {  in __add_symbol()
281 			if (*psym == sym) {  in __add_symbol()
282 				*psym = sym->hash_next;  in __add_symbol()
289 	sym = xmalloc(sizeof(*sym));  in __add_symbol()
290 	sym->name = name;  in __add_symbol()
291 	sym->type = type;  in __add_symbol()
292 	sym->defn = defn;  in __add_symbol()
293 	sym->expansion_trail = NULL;  in __add_symbol()
294 	sym->visited = NULL;  in __add_symbol()
295 	sym->is_extern = is_extern;  in __add_symbol()
297 	sym->hash_next = symtab[h];  in __add_symbol()
298 	symtab[h] = sym;  in __add_symbol()
300 	sym->is_declared = !is_reference;  in __add_symbol()
301 	sym->status = status;  in __add_symbol()
302 	sym->is_override = 0;  in __add_symbol()
318 	return sym;  in __add_symbol()
470 		struct string_list *sym, *def;  in read_reference()  local
474 		sym = read_node(f);  in read_reference()
475 		if (sym && sym->tag == SYM_NORMAL &&  in read_reference()
476 		    !strcmp(sym->string, "override")) {  in read_reference()
478 			free_node(sym);  in read_reference()
479 			sym = read_node(f);  in read_reference()
481 		if (!sym)  in read_reference()
495 		subsym = add_reference_symbol(xstrdup(sym->string), sym->tag,  in read_reference()
498 		free_node(sym);  in read_reference()
540 static unsigned long expand_and_crc_sym(struct symbol *sym, unsigned long crc)  in expand_and_crc_sym()  argument
542 	struct string_list *list = sym->defn;  in expand_and_crc_sym()
634 		if (!sym->visited) {  in expand_and_crc_sym()
635 			*end = sym;  in expand_and_crc_sym()
636 			end = &sym->visited;  in expand_and_crc_sym()
637 			sym->visited = (struct symbol *)-1L;  in expand_and_crc_sym()
646 	struct symbol *sym;  in export_symbol()  local
648 	sym = find_symbol(name, SYM_NORMAL, 0);  in export_symbol()
649 	if (!sym)  in export_symbol()
660 		sym->expansion_trail = expansion_trail;  in export_symbol()
661 		expansion_trail = sym;  in export_symbol()
662 		crc = expand_and_crc_sym(sym, 0xffffffff) ^ 0xffffffff;  in export_symbol()
664 		sym = expansion_trail;  in export_symbol()
665 		while (sym != (struct symbol *)-1L) {  in export_symbol()
666 			struct symbol *n = sym->expansion_trail;  in export_symbol()
668 			if (sym->status != STATUS_UNCHANGED) {  in export_symbol()
677 				print_type_name(sym->type, sym->name);  in export_symbol()
678 				if (sym->status == STATUS_DEFINED)  in export_symbol()
684 			sym->expansion_trail = 0;  in export_symbol()
685 			sym = n;  in export_symbol()
848 			struct symbol *sym = visited_symbols;  in main()  local
850 			if (sym->is_override)  in main()
852 			if (symbol_types[sym->type].n) {  in main()
853 				putc(symbol_types[sym->type].n, dumpfile);  in main()
856 			fputs(sym->name, dumpfile);  in main()
858 			if (sym->is_extern)  in main()
860 			print_list(dumpfile, sym->defn);  in main()
863 			visited_symbols = sym->visited;  in main()
864 			sym->visited = NULL;  in main()