diff options
Diffstat (limited to 'gdb/dwarf2read.c')
| -rw-r--r-- | gdb/dwarf2read.c | 98 |
1 files changed, 76 insertions, 22 deletions
diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c index 287de7bae93..68ddbb1dbda 100644 --- a/gdb/dwarf2read.c +++ b/gdb/dwarf2read.c @@ -1529,10 +1529,10 @@ struct fnfieldlist struct nextfnfield *head; }; -struct typedef_field_list +struct decl_field_list { - struct typedef_field field; - struct typedef_field_list *next; + struct decl_field field; + struct decl_field_list *next; }; /* The routines that read and process dies for a C struct or C++ class @@ -1562,8 +1562,13 @@ struct field_info /* typedefs defined inside this class. TYPEDEF_FIELD_LIST contains head of a NULL terminated list of TYPEDEF_FIELD_LIST_COUNT elements. */ - struct typedef_field_list *typedef_field_list; + struct decl_field_list *typedef_field_list; unsigned typedef_field_list_count; + + /* Nested types defined by this class and the number of elements in this + list. */ + struct decl_field_list *nested_types_list; + unsigned nested_types_list_count; }; /* One item on the queue of compilation units to read in full symbols @@ -13988,28 +13993,44 @@ dwarf2_add_field (struct field_info *fip, struct die_info *die, } } -/* Add a typedef defined in the scope of the FIP's class. */ +/* Can the type given by DIE define another type? */ + +static bool +type_can_define_types (const struct die_info *die) +{ + switch (die->tag) + { + case DW_TAG_typedef: + case DW_TAG_class_type: + case DW_TAG_structure_type: + case DW_TAG_union_type: + case DW_TAG_enumeration_type: + return true; + + default: + return false; + } +} + +/* Add a type definition defined in the scope of the FIP's class. */ static void -dwarf2_add_typedef (struct field_info *fip, struct die_info *die, - struct dwarf2_cu *cu) +dwarf2_add_type_defn (struct field_info *fip, struct die_info *die, + struct dwarf2_cu *cu) { - struct typedef_field_list *new_field; - struct typedef_field *fp; + struct decl_field_list *new_field; + struct decl_field *fp; /* Allocate a new field list entry and link it in. */ - new_field = XCNEW (struct typedef_field_list); + new_field = XCNEW (struct decl_field_list); make_cleanup (xfree, new_field); - gdb_assert (die->tag == DW_TAG_typedef); + gdb_assert (type_can_define_types (die)); fp = &new_field->field; - /* Get name of field. */ + /* Get name of field. NULL is okay here, meaning an anonymous type. */ fp->name = dwarf2_name (die, cu); - if (fp->name == NULL) - return; - fp->type = read_type_die (die, cu); /* Save accessibility. */ @@ -14035,9 +14056,18 @@ dwarf2_add_typedef (struct field_info *fip, struct die_info *die, _("Unhandled DW_AT_accessibility value (%x)"), accessibility); } - new_field->next = fip->typedef_field_list; - fip->typedef_field_list = new_field; - fip->typedef_field_list_count++; + if (die->tag == DW_TAG_typedef) + { + new_field->next = fip->typedef_field_list; + fip->typedef_field_list = new_field; + fip->typedef_field_list_count++; + } + else + { + new_field->next = fip->nested_types_list; + fip->nested_types_list = new_field; + fip->nested_types_list_count++; + } } /* Create the vector of fields, and attach it to the type. */ @@ -14660,8 +14690,8 @@ process_structure_scope (struct die_info *die, struct dwarf2_cu *cu) /* C++ base class field. */ dwarf2_add_field (&fi, child_die, cu); } - else if (child_die->tag == DW_TAG_typedef) - dwarf2_add_typedef (&fi, child_die, cu); + else if (type_can_define_types (child_die)) + dwarf2_add_type_defn (&fi, child_die, cu); else if (child_die->tag == DW_TAG_template_type_param || child_die->tag == DW_TAG_template_value_param) { @@ -14768,14 +14798,14 @@ process_structure_scope (struct die_info *die, struct dwarf2_cu *cu) ALLOCATE_CPLUS_STRUCT_TYPE (type); TYPE_TYPEDEF_FIELD_ARRAY (type) - = ((struct typedef_field *) + = ((struct decl_field *) TYPE_ALLOC (type, sizeof (TYPE_TYPEDEF_FIELD (type, 0)) * i)); TYPE_TYPEDEF_FIELD_COUNT (type) = i; /* Reverse the list order to keep the debug info elements order. */ while (--i >= 0) { - struct typedef_field *dest, *src; + struct decl_field *dest, *src; dest = &TYPE_TYPEDEF_FIELD (type, i); src = &fi.typedef_field_list->field; @@ -14784,6 +14814,30 @@ process_structure_scope (struct die_info *die, struct dwarf2_cu *cu) } } + /* Copy fi.nested_types_list linked list elements content into the + allocated array TYPE_NESTED_TYPES_ARRAY (type). */ + if (fi.nested_types_list != NULL && cu->language != language_ada) + { + int i = fi.nested_types_list_count; + + ALLOCATE_CPLUS_STRUCT_TYPE (type); + TYPE_NESTED_TYPES_ARRAY (type) + = ((struct decl_field *) + TYPE_ALLOC (type, sizeof (struct decl_field) * i)); + TYPE_NESTED_TYPES_COUNT (type) = i; + + /* Reverse the list order to keep the debug info elements order. */ + while (--i >= 0) + { + struct decl_field *dest, *src; + + dest = &TYPE_NESTED_TYPES_FIELD (type, i); + src = &fi.nested_types_list->field; + fi.nested_types_list = fi.nested_types_list->next; + *dest = *src; + } + } + do_cleanups (back_to); } |