27 	/* >0 to stop DIE processing */
37 static void process_linebreak(struct die *cache, int n)  in process_linebreak()
45 	static bool get_##attr##_attr(Dwarf_Die *die, unsigned int id, \
49 		return dwarf_attr(die, id, &da) &&                     \
56 static bool get_ref_die_attr(Dwarf_Die *die, unsigned int id, Dwarf_Die *value)  in DEFINE_GET_ATTR()
61 	return dwarf_attr(die, id, &da) && dwarf_formref_die(&da, value);  in DEFINE_GET_ATTR()
65 	static const char *get_##attr##_attr(Dwarf_Die *die) \
68 		if (dwarf_attr(die, DW_AT_##attr, &da))      \
76 static const char *get_symbol_name(Dwarf_Die *die)  in DEFINE_GET_STRING_ATTR()
81 	name = get_linkage_name_attr(die);  in DEFINE_GET_STRING_ATTR()
83 		name = get_name_attr(die);  in DEFINE_GET_STRING_ATTR()
88 static bool match_export_symbol(struct state *state, Dwarf_Die *die)  in match_export_symbol()  argument
90 	Dwarf_Die *source = die;  in match_export_symbol()
93 	/* If the DIE has an abstract origin, use it for type information. */  in match_export_symbol()
94 	if (get_ref_die_attr(die, DW_AT_abstract_origin, &origin))  in match_export_symbol()
97 	state->sym = symbol_get(get_symbol_name(die));  in match_export_symbol()
100 	if (!state->sym && source != die)  in match_export_symbol()
103 	state->die = *source;  in match_export_symbol()
110 static bool is_definition_private(Dwarf_Die *die)  in is_definition_private()  argument
122 	if (!get_udata_attr(die, DW_AT_decl_file, &filenum))  in is_definition_private()
129 	if (!dwarf_cu_die(die->cu, &cudie, NULL, NULL, NULL, NULL, NULL, NULL))  in is_definition_private()
146 static bool is_kabi_definition(struct die *cache, Dwarf_Die *die)  in is_kabi_definition()  argument
150 	if (get_flag_attr(die, DW_AT_declaration, &value) && value)  in is_kabi_definition()
156 	return !is_definition_private(die);  in is_kabi_definition()
162 static void process(struct die *cache, const char *s)  in process()
182 static void process_fmt(struct die *cache, const char *fmt, ...)  in process_fmt()
199 static char *get_fqn(Dwarf_Die *die)  in get_fqn()  argument
211 	res = checkp(dwarf_getscopes_die(die, &scopes));  in get_fqn()
213 		list[count] = get_name_attr(die);  in get_fqn()
251 	/* Consider the DIE unnamed if the last scope doesn't have a name */  in get_fqn()
265 static void update_fqn(struct die *cache, Dwarf_Die *die)  in update_fqn()  argument
268 		cache->fqn = get_fqn(die) ?: "";  in update_fqn()
271 static void process_fqn(struct die *cache, Dwarf_Die *die)  in process_fqn()  argument
273 	update_fqn(cache, die);  in process_fqn()
280 	static void process_##attribute##_attr(struct die *cache,          \
281 					       Dwarf_Die *die)             \
284 		if (get_udata_attr(die, DW_AT_##attribute, &value))        \
300 	static bool match_##type##_type(Dwarf_Die *die)        \  in DEFINE_PROCESS_UDATA_ATTRIBUTE()
302 		return dwarf_tag(die) == DW_TAG_##type##_type; \  in DEFINE_PROCESS_UDATA_ATTRIBUTE()
310 bool match_all(Dwarf_Die *die)
315 int process_die_container(struct state *state, struct die *cache,  in process_die_container()
316 			  Dwarf_Die *die, die_callback_t func,  in process_die_container()  argument
326 	res = checkp(dwarf_child(die, &current));  in process_die_container()
346 static int process_type(struct state *state, struct die *parent,
347 			Dwarf_Die *die);
349 static void process_type_attr(struct state *state, struct die *cache,  in process_type_attr()
350 			      Dwarf_Die *die)  in process_type_attr()  argument
354 	if (get_ref_die_attr(die, DW_AT_type, &type)) {  in process_type_attr()
363 static void process_list_comma(struct state *state, struct die *cache)  in process_list_comma()
374 static void __process_list_type(struct state *state, struct die *cache,  in __process_list_type()
375 				Dwarf_Die *die, const char *type)  in __process_list_type()  argument
377 	const char *name = get_name_attr(die);  in __process_list_type()
387 	process_type_attr(state, cache, die);  in __process_list_type()
396 	process_accessibility_attr(cache, die);  in __process_list_type()
397 	process_bit_size_attr(cache, die);  in __process_list_type()
398 	process_data_bit_offset_attr(cache, die);  in __process_list_type()
399 	process_data_member_location_attr(cache, die);  in __process_list_type()
404 					  struct die *cache, Dwarf_Die *die) \
406 		__process_list_type(state, cache, die, #type " ");           \
413 static void __process_type(struct state *state, struct die *cache,  in DEFINE_PROCESS_LIST_TYPE()
414 			   Dwarf_Die *die, const char *type)  in DEFINE_PROCESS_LIST_TYPE()
417 	process_fqn(cache, die);  in DEFINE_PROCESS_LIST_TYPE()
420 	process_type_attr(state, cache, die);  in DEFINE_PROCESS_LIST_TYPE()
423 	process_byte_size_attr(cache, die);  in DEFINE_PROCESS_LIST_TYPE()
424 	process_alignment_attr(cache, die);  in DEFINE_PROCESS_LIST_TYPE()
429 					  struct die *cache, Dwarf_Die *die) \
431 		__process_type(state, cache, die, #type "_type");            \
447 static void process_subrange_type(struct state *state, struct die *cache,  in DEFINE_PROCESS_TYPE()
448 				  Dwarf_Die *die)  in DEFINE_PROCESS_TYPE()
452 	if (get_udata_attr(die, DW_AT_count, &count))  in DEFINE_PROCESS_TYPE()
454 	else if (get_udata_attr(die, DW_AT_upper_bound, &count))  in DEFINE_PROCESS_TYPE()
460 static void process_array_type(struct state *state, struct die *cache,  in process_array_type()
461 			       Dwarf_Die *die)  in process_array_type()  argument
465 	check(process_die_container(state, cache, die, process_type,  in process_array_type()
469 	process_type_attr(state, cache, die);  in process_array_type()
474 static void __process_subroutine_type(struct state *state, struct die *cache,  in __process_subroutine_type()
475 				      Dwarf_Die *die, const char *type)  in __process_subroutine_type()  argument
481 	check(process_die_container(state, cache, die, process_type,  in __process_subroutine_type()
488 	process_type_attr(state, cache, die);  in __process_subroutine_type()
491 static void process_subroutine_type(struct state *state, struct die *cache,  in process_subroutine_type()
492 				    Dwarf_Die *die)  in process_subroutine_type()  argument
494 	__process_subroutine_type(state, cache, die, "subroutine_type");  in process_subroutine_type()
497 static void process_variant_type(struct state *state, struct die *cache,  in process_variant_type()
498 				 Dwarf_Die *die)  in process_variant_type()  argument
503 	check(process_die_container(state, cache, die, process_type,  in process_variant_type()
507 	process_discr_value_attr(cache, die);  in process_variant_type()
510 static void process_variant_part_type(struct state *state, struct die *cache,  in process_variant_part_type()
511 				      Dwarf_Die *die)  in process_variant_part_type()  argument
516 	check(process_die_container(state, cache, die, process_type,  in process_variant_part_type()
522 static int get_kabi_status(Dwarf_Die *die, const char **suffix)  in get_kabi_status()  argument
524 	const char *name = get_name_attr(die);  in get_kabi_status()
553 					   struct die *__unused, Dwarf_Die *die)  in check_struct_member_kabi_status()  argument
557 	assert(dwarf_tag(die) == DW_TAG_member_type);  in check_struct_member_kabi_status()
570 	res = get_kabi_status(die, &state->kabi.orig_name);  in check_struct_member_kabi_status()
573 	    !get_ref_die_attr(die, DW_AT_type, &state->kabi.placeholder))  in check_struct_member_kabi_status()
580 					  struct die *__unused, Dwarf_Die *die)  in check_union_member_kabi_status()  argument
585 	assert(dwarf_tag(die) == DW_TAG_member_type);  in check_union_member_kabi_status()
587 	if (!get_ref_die_attr(die, DW_AT_type, &type))  in check_union_member_kabi_status()
605 	res = get_kabi_status(die, &state->kabi.orig_name);  in check_union_member_kabi_status()
623 static int get_union_kabi_status(Dwarf_Die *die, Dwarf_Die *placeholder,  in get_union_kabi_status()  argument
688 	res = checkp(process_die_container(&state, NULL, die,  in get_union_kabi_status()
702 static bool is_kabi_ignored(Dwarf_Die *die)  in is_kabi_ignored()  argument
709 	if (!get_ref_die_attr(die, DW_AT_type, &type))  in is_kabi_ignored()
716 static int ___process_structure_type(struct state *state, struct die *cache,  in ___process_structure_type()
717 				     Dwarf_Die *die)  in ___process_structure_type()  argument
719 	switch (dwarf_tag(die)) {  in ___process_structure_type()
721 		if (is_kabi_ignored(die))  in ___process_structure_type()
723 		return check(process_type(state, cache, die));  in ___process_structure_type()
725 		return check(process_type(state, cache, die));  in ___process_structure_type()
735 		error("unexpected structure_type child: %x", dwarf_tag(die));  in ___process_structure_type()
739 static void __process_structure_type(struct state *state, struct die *cache,  in __process_structure_type()
740 				     Dwarf_Die *die, const char *type,  in __process_structure_type()  argument
747 	process_fqn(cache, die);  in __process_structure_type()
751 	expand = state->expand.expand && is_kabi_definition(cache, die);  in __process_structure_type()
755 		check(process_die_container(state, cache, die, process_func,  in __process_structure_type()
763 		process_byte_size_attr(cache, die);  in __process_structure_type()
764 		process_alignment_attr(cache, die);  in __process_structure_type()
770 		struct state *state, struct die *cache, Dwarf_Die *die) \
772 		__process_structure_type(state, cache, die,             \
781 static void process_union_type(struct state *state, struct die *cache,  in DEFINE_PROCESS_STRUCTURE_TYPE()
782 			       Dwarf_Die *die)  in DEFINE_PROCESS_STRUCTURE_TYPE()
786 	int res = checkp(get_union_kabi_status(die, &placeholder,  in DEFINE_PROCESS_STRUCTURE_TYPE()
794 	__process_structure_type(state, cache, die, "union_type",  in DEFINE_PROCESS_STRUCTURE_TYPE()
798 static void process_enumerator_type(struct state *state, struct die *cache,  in process_enumerator_type()
799 				    Dwarf_Die *die)  in process_enumerator_type()  argument
806 		update_fqn(cache, die);  in process_enumerator_type()
818 	process_fqn(cache, die);  in process_enumerator_type()
820 	if (overridden || get_udata_attr(die, DW_AT_const_value, &value)) {  in process_enumerator_type()
826 static void process_enumeration_type(struct state *state, struct die *cache,  in process_enumeration_type()
827 				     Dwarf_Die *die)  in process_enumeration_type()  argument
829 	__process_structure_type(state, cache, die, "enumeration_type",  in process_enumeration_type()
833 static void process_base_type(struct state *state, struct die *cache,  in process_base_type()
834 			      Dwarf_Die *die)  in process_base_type()  argument
837 	process_fqn(cache, die);  in process_base_type()
838 	process_byte_size_attr(cache, die);  in process_base_type()
839 	process_encoding_attr(cache, die);  in process_base_type()
840 	process_alignment_attr(cache, die);  in process_base_type()
843 static void process_unspecified_type(struct state *state, struct die *cache,  in process_unspecified_type()
844 				     Dwarf_Die *die)  in process_unspecified_type()  argument
853 static void process_cached(struct state *state, struct die *cache,  in process_cached()
854 			   Dwarf_Die *die)  in process_cached()  argument
870 			if (!dwarf_die_addr_die(dwarf_cu_getdwarf(die->cu),  in process_cached()
873 			die_debug_b("cache %p DIE addr %" PRIxPTR " tag %x",  in process_cached()
911 		process_##type##_type(state, cache, die); \
914 static int process_type(struct state *state, struct die *parent, Dwarf_Die *die)  in process_type()  argument
917 	struct die *cache;  in process_type()
919 	int tag = dwarf_tag(die);  in process_type()
929 		if (cache_was_expanded(&state->expansion_cache, die->addr))  in process_type()
933 			cache_mark_expanded(&state->expansion_cache, die->addr);  in process_type()
942 	cache = die_map_get(die, want_state);  in process_type()
945 		die_debug_g("cached addr %p tag %x -- %s", die->addr, tag,  in process_type()
948 		process_cached(state, cache, die);  in process_type()
955 	die_debug_g("addr %p tag %x -- %s -> %s", die->addr, tag,  in process_type()
993 	die_debug_r("parent %p cache %p die addr %p tag %x", parent, cache,  in process_type()
994 		    die->addr, tag);  in process_type()
1008 static struct die *get_symbol_cache(struct state *state, Dwarf_Die *die)  in get_symbol_cache()  argument
1010 	struct die *cache;  in get_symbol_cache()
1012 	cache = die_map_get(die, DIE_SYMBOL);  in get_symbol_cache()
1015 		return NULL; /* We already processed a symbol for this DIE */  in get_symbol_cache()
1017 	cache->tag = dwarf_tag(die);  in get_symbol_cache()
1021 static void process_symbol(struct state *state, Dwarf_Die *die,  in process_symbol()  argument
1024 	struct die *cache;  in process_symbol()
1026 	symbol_set_die(state->sym, die);  in process_symbol()
1028 	cache = get_symbol_cache(state, die);  in process_symbol()
1033 	check(process_func(state, cache, die));  in process_symbol()
1039 static int __process_subprogram(struct state *state, struct die *cache,  in __process_subprogram()
1040 				Dwarf_Die *die)  in __process_subprogram()  argument
1042 	__process_subroutine_type(state, cache, die, "subprogram");  in __process_subprogram()
1046 static void process_subprogram(struct state *state, Dwarf_Die *die)  in process_subprogram()  argument
1048 	process_symbol(state, die, __process_subprogram);  in process_subprogram()
1051 static int __process_variable(struct state *state, struct die *cache,  in __process_variable()
1052 			      Dwarf_Die *die)  in __process_variable()  argument
1055 	process_type_attr(state, cache, die);  in __process_variable()
1059 static void process_variable(struct state *state, Dwarf_Die *die)  in process_variable()  argument
1061 	process_symbol(state, die, __process_variable);  in process_variable()
1069 	if (!get_ref_die_attr(&state->die, DW_AT_type, &ptr_type) ||  in save_symbol_ptr()
1072 		      get_symbol_name(&state->die));  in save_symbol_ptr()
1076 		      get_symbol_name(&state->die));  in save_symbol_ptr()
1079 	 * Save the symbol pointer DIE in case the actual symbol is  in save_symbol_ptr()
1089 static int process_exported_symbols(struct state *unused, struct die *cache,  in process_exported_symbols()
1090 				    Dwarf_Die *die)  in process_exported_symbols()  argument
1092 	int tag = dwarf_tag(die);  in process_exported_symbols()
1100 			NULL, cache, die, process_exported_symbols, match_all));  in process_exported_symbols()
1107 		if (!match_export_symbol(&state, die))  in process_exported_symbols()
1112 		if (is_symbol_ptr(get_symbol_name(&state.die)))  in process_exported_symbols()
1115 			process_subprogram(&state, &state.die);  in process_exported_symbols()
1117 			process_variable(&state, &state.die);  in process_exported_symbols()
1139 	if (!dwarf_die_addr_die(dwarf, (void *)sym->ptr_die_addr, &state.die))  in process_symbol_ptr()
1143 	if (dwarf_tag(&state.die) == DW_TAG_subroutine_type)  in process_symbol_ptr()
1144 		process_subprogram(&state, &state.die);  in process_symbol_ptr()
1146 		process_variable(&state, &state.die);  in process_symbol_ptr()