89 static bool match_export_symbol(struct state *state, Dwarf_Die *die)  in match_export_symbol()  argument
98 	state->sym = symbol_get(get_symbol_name(die));  in match_export_symbol()
101 	if (!state->sym && source != die)  in match_export_symbol()
102 		state->sym = symbol_get(get_symbol_name(source));  in match_export_symbol()
104 	state->die = *source;  in match_export_symbol()
105 	return !!state->sym;  in match_export_symbol()
266 int process_die_container(struct state *state, struct die *cache,  in process_die_container()  argument
274 	if (state)  in process_die_container()
275 		state->first_list_item = true;  in process_die_container()
281 			res = checkp(func(state, cache, &current));  in process_die_container()
291 	if (state)  in process_die_container()
292 		state->first_list_item = false;  in process_die_container()
297 static int process_type(struct state *state, struct die *parent,
300 static void process_type_attr(struct state *state, struct die *cache,  in process_type_attr()  argument
306 		check(process_type(state, cache, &type));  in process_type_attr()
314 static void process_list_comma(struct state *state, struct die *cache)  in process_list_comma()  argument
316 	if (state->first_list_item) {  in process_list_comma()
317 		state->first_list_item = false;  in process_list_comma()
325 static void __process_list_type(struct state *state, struct die *cache,  in __process_list_type()  argument
333 		state->kabi.orig_name = NULL;  in __process_list_type()
336 	process_list_comma(state, cache);  in __process_list_type()
338 	process_type_attr(state, cache, die);  in __process_list_type()
340 	if (stable && state->kabi.orig_name)  in __process_list_type()
341 		name = state->kabi.orig_name;  in __process_list_type()
354 	static void process_##type##_type(struct state *state,               \
357 		__process_list_type(state, cache, die, #type " ");           \
364 static void __process_type(struct state *state, struct die *cache,  in DEFINE_PROCESS_LIST_TYPE()
371 	process_type_attr(state, cache, die);  in DEFINE_PROCESS_LIST_TYPE()
379 	static void process_##type##_type(struct state *state,               \
382 		__process_type(state, cache, die, #type "_type");            \
398 static void process_subrange_type(struct state *state, struct die *cache,  in DEFINE_PROCESS_TYPE()
411 static void process_array_type(struct state *state, struct die *cache,  in process_array_type()  argument
416 	check(process_die_container(state, cache, die, process_type,  in process_array_type()
420 	process_type_attr(state, cache, die);  in process_array_type()
425 static void __process_subroutine_type(struct state *state, struct die *cache,  in __process_subroutine_type()  argument
432 	check(process_die_container(state, cache, die, process_type,  in __process_subroutine_type()
439 	process_type_attr(state, cache, die);  in __process_subroutine_type()
442 static void process_subroutine_type(struct state *state, struct die *cache,  in process_subroutine_type()  argument
445 	__process_subroutine_type(state, cache, die, "subroutine_type");  in process_subroutine_type()
448 static void process_variant_type(struct state *state, struct die *cache,  in process_variant_type()  argument
451 	process_list_comma(state, cache);  in process_variant_type()
454 	check(process_die_container(state, cache, die, process_type,  in process_variant_type()
461 static void process_variant_part_type(struct state *state, struct die *cache,  in process_variant_part_type()  argument
464 	process_list_comma(state, cache);  in process_variant_part_type()
467 	check(process_die_container(state, cache, die, process_type,  in process_variant_part_type()
503 static int check_struct_member_kabi_status(struct state *state,  in check_struct_member_kabi_status()  argument
521 	res = get_kabi_status(die, &state->kabi.orig_name);  in check_struct_member_kabi_status()
524 	    !get_ref_die_attr(die, DW_AT_type, &state->kabi.placeholder))  in check_struct_member_kabi_status()
530 static int check_union_member_kabi_status(struct state *state,  in check_union_member_kabi_status()  argument
556 	res = get_kabi_status(die, &state->kabi.orig_name);  in check_union_member_kabi_status()
559 		state->kabi.placeholder = type;  in check_union_member_kabi_status()
565 			state, NULL, &type, check_struct_member_kabi_status,  in check_union_member_kabi_status()
568 	if (res <= KABI_NORMAL && ++state->kabi.members < 2)  in check_union_member_kabi_status()
577 	struct state state;  in get_union_kabi_status()  local
637 	memset(&state.kabi, 0, sizeof(state.kabi));  in get_union_kabi_status()
639 	res = checkp(process_die_container(&state, NULL, die,  in get_union_kabi_status()
645 			*placeholder = state.kabi.placeholder;  in get_union_kabi_status()
647 			*orig_name = state.kabi.orig_name;  in get_union_kabi_status()
667 static int ___process_structure_type(struct state *state, struct die *cache,  in ___process_structure_type()  argument
674 		return check(process_type(state, cache, die));  in ___process_structure_type()
676 		return check(process_type(state, cache, die));  in ___process_structure_type()
690 static void __process_structure_type(struct state *state, struct die *cache,  in __process_structure_type()  argument
702 	expand = state->expand.expand && is_kabi_definition(cache, die);  in __process_structure_type()
705 		state->expand.current_fqn = cache->fqn;  in __process_structure_type()
706 		check(process_die_container(state, cache, die, process_func,  in __process_structure_type()
721 		struct state *state, struct die *cache, Dwarf_Die *die) \
723 		__process_structure_type(state, cache, die,             \
732 static void process_union_type(struct state *state, struct die *cache,  in DEFINE_PROCESS_STRUCTURE_TYPE()
738 					       &state->kabi.orig_name));  in DEFINE_PROCESS_STRUCTURE_TYPE()
741 		check(process_type(state, cache, &placeholder));  in DEFINE_PROCESS_STRUCTURE_TYPE()
745 	__process_structure_type(state, cache, die, "union_type",  in DEFINE_PROCESS_STRUCTURE_TYPE()
749 static void process_enumerator_type(struct state *state, struct die *cache,  in process_enumerator_type()  argument
759 		if (kabi_is_enumerator_ignored(state->expand.current_fqn,  in process_enumerator_type()
764 			state->expand.current_fqn, cache->fqn, &value);  in process_enumerator_type()
767 	process_list_comma(state, cache);  in process_enumerator_type()
777 static void process_enumeration_type(struct state *state, struct die *cache,  in process_enumeration_type()  argument
780 	__process_structure_type(state, cache, die, "enumeration_type",  in process_enumeration_type()
784 static void process_base_type(struct state *state, struct die *cache,  in process_base_type()  argument
794 static void process_unspecified_type(struct state *state, struct die *cache,  in process_unspecified_type()  argument
804 static void process_cached(struct state *state, struct die *cache,  in process_cached()  argument
826 			check(process_type(state, NULL, &child));  in process_cached()
834 static void state_init(struct state *state)  in state_init()  argument
836 	state->expand.expand = true;  in state_init()
837 	state->expand.current_fqn = NULL;  in state_init()
838 	cache_init(&state->expansion_cache);  in state_init()
841 static void expansion_state_restore(struct expansion_state *state,  in expansion_state_restore()  argument
844 	state->expand = saved->expand;  in expansion_state_restore()
845 	state->current_fqn = saved->current_fqn;  in expansion_state_restore()
848 static void expansion_state_save(struct expansion_state *state,  in expansion_state_save()  argument
851 	expansion_state_restore(saved, state);  in expansion_state_save()
862 		process_##type##_type(state, cache, die); \
865 static int process_type(struct state *state, struct die *parent, Dwarf_Die *die)  in process_type()  argument
872 	expansion_state_save(&state->expand, &saved);  in process_type()
880 		if (cache_was_expanded(&state->expansion_cache, die->addr))  in process_type()
881 			state->expand.expand = false;  in process_type()
883 		if (state->expand.expand)  in process_type()
884 			cache_mark_expanded(&state->expansion_cache, die->addr);  in process_type()
895 	if (cache->state == want_state) {  in process_type()
897 			    die_state_name(cache->state));  in process_type()
899 		process_cached(state, cache, die);  in process_type()
902 		expansion_state_restore(&state->expand, &saved);  in process_type()
907 		    die_state_name(cache->state), die_state_name(want_state));  in process_type()
947 	/* Update cache state and append to the parent (if any) */  in process_type()
949 	cache->state = want_state;  in process_type()
952 	expansion_state_restore(&state->expand, &saved);  in process_type()
959 static struct die *get_symbol_cache(struct state *state, Dwarf_Die *die)  in get_symbol_cache()  argument
965 	if (cache->state != DIE_INCOMPLETE)  in get_symbol_cache()
972 static void process_symbol(struct state *state, Dwarf_Die *die,  in process_symbol()  argument
977 	symbol_set_die(state->sym, die);  in process_symbol()
979 	cache = get_symbol_cache(state, die);  in process_symbol()
983 	debug("%s", state->sym->name);  in process_symbol()
984 	check(process_func(state, cache, die));  in process_symbol()
985 	cache->state = DIE_SYMBOL;  in process_symbol()
990 static int __process_subprogram(struct state *state, struct die *cache,  in __process_subprogram()  argument
993 	__process_subroutine_type(state, cache, die, "subprogram");  in __process_subprogram()
997 static void process_subprogram(struct state *state, Dwarf_Die *die)  in process_subprogram()  argument
999 	process_symbol(state, die, __process_subprogram);  in process_subprogram()
1002 static int __process_variable(struct state *state, struct die *cache,  in __process_variable()  argument
1006 	process_type_attr(state, cache, die);  in __process_variable()
1010 static void process_variable(struct state *state, Dwarf_Die *die)  in process_variable()  argument
1012 	process_symbol(state, die, __process_variable);  in process_variable()
1015 static void save_symbol_ptr(struct state *state)  in save_symbol_ptr()  argument
1020 	if (!get_ref_die_attr(&state->die, DW_AT_type, &ptr_type) ||  in save_symbol_ptr()
1023 		      get_symbol_name(&state->die));  in save_symbol_ptr()
1027 		      get_symbol_name(&state->die));  in save_symbol_ptr()
1035 		symbol_set_ptr(state->sym, &type);  in save_symbol_ptr()
1037 		symbol_set_ptr(state->sym, &ptr_type);  in save_symbol_ptr()
1040 static int process_exported_symbols(struct state *unused, struct die *cache,  in process_exported_symbols()
1056 		struct state state;  in process_exported_symbols()  local
1058 		if (!match_export_symbol(&state, die))  in process_exported_symbols()
1061 		state_init(&state);  in process_exported_symbols()
1063 		if (is_symbol_ptr(get_symbol_name(&state.die)))  in process_exported_symbols()
1064 			save_symbol_ptr(&state);  in process_exported_symbols()
1066 			process_subprogram(&state, &state.die);  in process_exported_symbols()
1068 			process_variable(&state, &state.die);  in process_exported_symbols()
1070 		cache_free(&state.expansion_cache);  in process_exported_symbols()
1080 	struct state state;  in process_symbol_ptr()  local
1083 	if (sym->state != SYMBOL_UNPROCESSED || !sym->ptr_die_addr)  in process_symbol_ptr()
1087 	state_init(&state);  in process_symbol_ptr()
1088 	state.sym = sym;  in process_symbol_ptr()
1090 	if (!dwarf_die_addr_die(dwarf, (void *)sym->ptr_die_addr, &state.die))  in process_symbol_ptr()
1094 	if (dwarf_tag(&state.die) == DW_TAG_subroutine_type)  in process_symbol_ptr()
1095 		process_subprogram(&state, &state.die);  in process_symbol_ptr()
1097 		process_variable(&state, &state.die);  in process_symbol_ptr()
1099 	cache_free(&state.expansion_cache);  in process_symbol_ptr()
1102 static int resolve_fqns(struct state *parent, struct die *unused,  in resolve_fqns()
1105 	struct state state;  in resolve_fqns()  local
1125 	state.expand.current_fqn = NULL;  in resolve_fqns()
1138 			state.expand.current_fqn = prefix;  in resolve_fqns()
1154 			state.expand.current_fqn = fqn;  in resolve_fqns()
1162 		cache->state = DIE_FQN;  in resolve_fqns()
1165 	check(process_die_container(&state, NULL, die, resolve_fqns,  in resolve_fqns()