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* dwarf2read.c (read_structure_type): Rename from
read_structure_scope. Don't create a symbol or call process_die. Return immediately if die->type is set. Call read_type_die before dwarf2_add_member_fn. (process_structure_scope): New function. (read_enumeration_type, process_enumeration_scope): New functions, broken out from read_enumeration. Don't create the enumeration type if it has already been created. (read_enumeration): Removed. (process_die): Call read_structure_type, process_structure_scope, read_enumeration_type, and process_enumeration_scope. Just call new_symbol for base and subrange types. Add a comment about other type dies. (read_type_die): Call read_enumeration_type. (add_partial_structure, new_symbol): Update comments.
This commit is contained in:
Daniel Jacobowitz
parent
57adceea83
commit
134d01f12d
@ -1,3 +1,21 @@
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2004-03-14 Daniel Jacobowitz <drow@mvista.com>
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* dwarf2read.c (read_structure_type): Rename from
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read_structure_scope. Don't create a symbol or call process_die.
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Return immediately if die->type is set. Call read_type_die before
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dwarf2_add_member_fn.
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(process_structure_scope): New function.
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(read_enumeration_type, process_enumeration_scope): New functions,
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broken out from read_enumeration. Don't create the enumeration
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type if it has already been created.
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(read_enumeration): Removed.
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(process_die): Call read_structure_type, process_structure_scope,
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read_enumeration_type, and process_enumeration_scope. Just call
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new_symbol for base and subrange types. Add a comment about other
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type dies.
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(read_type_die): Call read_enumeration_type.
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(add_partial_structure, new_symbol): Update comments.
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2004-03-13 Stephane Carrez <stcarrez@nerim.fr>
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* m68hc11-tdep.c (m68hc11_register_name): Get soft reg information.
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150
gdb/dwarf2read.c
150
gdb/dwarf2read.c
@ -820,7 +820,9 @@ static void dwarf2_add_member_fn (struct field_info *,
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static void dwarf2_attach_fn_fields_to_type (struct field_info *,
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struct type *, struct dwarf2_cu *);
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static void read_structure_scope (struct die_info *, struct dwarf2_cu *);
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static void read_structure_type (struct die_info *, struct dwarf2_cu *);
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static void process_structure_scope (struct die_info *, struct dwarf2_cu *);
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static void read_common_block (struct die_info *, struct dwarf2_cu *);
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@ -829,7 +831,9 @@ static void read_namespace (struct die_info *die, struct dwarf2_cu *);
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static const char *namespace_name (struct die_info *die,
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int *is_anonymous, struct dwarf2_cu *);
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static void read_enumeration (struct die_info *, struct dwarf2_cu *);
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static void read_enumeration_type (struct die_info *, struct dwarf2_cu *);
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static void process_enumeration_scope (struct die_info *, struct dwarf2_cu *);
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static struct type *dwarf_base_type (int, int, struct dwarf2_cu *);
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@ -1695,7 +1699,7 @@ add_partial_structure (struct partial_die_info *struct_pdi, char *info_ptr,
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what template types look like, because the demangler
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frequently doesn't give the same name as the debug info. We
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could fix this by only using the demangled name to get the
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prefix (but see comment in read_structure_scope). */
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prefix (but see comment in read_structure_type). */
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/* FIXME: carlton/2004-01-23: If NAMESPACE equals "", we have
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the appropriate debug information, so it would be nice to be
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@ -2105,11 +2109,17 @@ process_die (struct die_info *die, struct dwarf2_cu *cu)
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case DW_TAG_class_type:
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case DW_TAG_structure_type:
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case DW_TAG_union_type:
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read_structure_scope (die, cu);
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read_structure_type (die, cu);
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process_structure_scope (die, cu);
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break;
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case DW_TAG_enumeration_type:
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read_enumeration (die, cu);
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read_enumeration_type (die, cu);
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process_enumeration_scope (die, cu);
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break;
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/* FIXME drow/2004-03-14: These initialize die->type, but do not create
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a symbol or process any children. Therefore it doesn't do anything
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that won't be done on-demand by read_type_die. */
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case DW_TAG_subroutine_type:
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read_subroutine_type (die, cu);
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break;
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@ -2128,21 +2138,19 @@ process_die (struct die_info *die, struct dwarf2_cu *cu)
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case DW_TAG_string_type:
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read_tag_string_type (die, cu);
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break;
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/* END FIXME */
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case DW_TAG_base_type:
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read_base_type (die, cu);
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if (dwarf2_attr (die, DW_AT_name, cu))
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{
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/* Add a typedef symbol for the base type definition. */
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new_symbol (die, die->type, cu);
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}
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/* Add a typedef symbol for the type definition, if it has a
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DW_AT_name. */
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new_symbol (die, die->type, cu);
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break;
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case DW_TAG_subrange_type:
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read_subrange_type (die, cu);
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if (dwarf2_attr (die, DW_AT_name, cu))
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{
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/* Add a typedef symbol for the base type definition. */
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new_symbol (die, die->type, cu);
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}
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/* Add a typedef symbol for the type definition, if it has a
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DW_AT_name. */
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new_symbol (die, die->type, cu);
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break;
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case DW_TAG_common_block:
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read_common_block (die, cu);
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@ -3154,7 +3162,7 @@ dwarf2_attach_fn_fields_to_type (struct field_info *fip, struct type *type,
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suppresses creating a symbol table entry itself). */
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static void
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read_structure_scope (struct die_info *die, struct dwarf2_cu *cu)
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read_structure_type (struct die_info *die, struct dwarf2_cu *cu)
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{
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struct objfile *objfile = cu->objfile;
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struct type *type;
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@ -3167,6 +3175,9 @@ read_structure_scope (struct die_info *die, struct dwarf2_cu *cu)
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any. */
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int need_to_update_name = 0;
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if (die->type)
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return;
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type = alloc_type (objfile);
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INIT_CPLUS_SPECIFIC (type);
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@ -3266,7 +3277,7 @@ read_structure_scope (struct die_info *die, struct dwarf2_cu *cu)
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else if (child_die->tag == DW_TAG_subprogram)
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{
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/* C++ member function. */
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process_die (child_die, cu);
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read_type_die (child_die, cu);
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dwarf2_add_member_fn (&fi, child_die, type, cu);
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if (need_to_update_name)
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{
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@ -3309,10 +3320,6 @@ read_structure_scope (struct die_info *die, struct dwarf2_cu *cu)
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/* C++ base class field. */
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dwarf2_add_field (&fi, child_die, cu);
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}
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else
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{
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process_die (child_die, cu);
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}
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child_die = sibling_die (child_die);
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}
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@ -3369,8 +3376,6 @@ read_structure_scope (struct die_info *die, struct dwarf2_cu *cu)
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}
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}
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new_symbol (die, type, cu);
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do_cleanups (back_to);
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}
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else
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@ -3384,26 +3389,53 @@ read_structure_scope (struct die_info *die, struct dwarf2_cu *cu)
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do_cleanups (back_to);
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}
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/* Given a pointer to a die which begins an enumeration, process all
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the dies that define the members of the enumeration.
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This will be much nicer in draft 6 of the DWARF spec when our
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members will be dies instead squished into the DW_AT_element_list
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attribute.
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NOTE: We reverse the order of the element list. */
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static void
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read_enumeration (struct die_info *die, struct dwarf2_cu *cu)
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process_structure_scope (struct die_info *die, struct dwarf2_cu *cu)
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{
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struct objfile *objfile = cu->objfile;
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const char *previous_prefix = processing_current_prefix;
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if (TYPE_TAG_NAME (die->type) != NULL)
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processing_current_prefix = TYPE_TAG_NAME (die->type);
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if (die->child != NULL && ! die_is_declaration (die, cu))
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{
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struct die_info *child_die;
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child_die = die->child;
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while (child_die && child_die->tag)
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{
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if (child_die->tag == DW_TAG_member
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|| child_die->tag == DW_TAG_variable
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|| child_die->tag == DW_TAG_inheritance)
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{
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/* Do nothing. */
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}
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else
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process_die (child_die, cu);
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child_die = sibling_die (child_die);
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}
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new_symbol (die, die->type, cu);
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}
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processing_current_prefix = previous_prefix;
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}
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/* Given a DW_AT_enumeration_type die, set its type. We do not
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complete the type's fields yet, or create any symbols. */
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static void
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read_enumeration_type (struct die_info *die, struct dwarf2_cu *cu)
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{
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struct objfile *objfile = cu->objfile;
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struct die_info *child_die;
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struct type *type;
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struct field *fields;
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struct attribute *attr;
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struct symbol *sym;
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int num_fields;
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int unsigned_enum = 1;
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if (die->type)
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return;
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type = alloc_type (objfile);
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@ -3439,6 +3471,26 @@ read_enumeration (struct die_info *die, struct dwarf2_cu *cu)
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TYPE_LENGTH (type) = 0;
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}
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die->type = type;
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}
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/* Given a pointer to a die which begins an enumeration, process all
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the dies that define the members of the enumeration, and create the
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symbol for the enumeration type.
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NOTE: We reverse the order of the element list. */
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static void
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process_enumeration_scope (struct die_info *die, struct dwarf2_cu *cu)
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{
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struct objfile *objfile = cu->objfile;
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struct die_info *child_die;
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struct field *fields;
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struct attribute *attr;
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struct symbol *sym;
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int num_fields;
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int unsigned_enum = 1;
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num_fields = 0;
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fields = NULL;
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if (die->child != NULL)
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@ -3455,7 +3507,7 @@ read_enumeration (struct die_info *die, struct dwarf2_cu *cu)
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attr = dwarf2_attr (child_die, DW_AT_name, cu);
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if (attr)
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{
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sym = new_symbol (child_die, type, cu);
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sym = new_symbol (child_die, die->type, cu);
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if (SYMBOL_VALUE (sym) < 0)
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unsigned_enum = 0;
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@ -3482,18 +3534,18 @@ read_enumeration (struct die_info *die, struct dwarf2_cu *cu)
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if (num_fields)
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{
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TYPE_NFIELDS (type) = num_fields;
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TYPE_FIELDS (type) = (struct field *)
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TYPE_ALLOC (type, sizeof (struct field) * num_fields);
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memcpy (TYPE_FIELDS (type), fields,
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TYPE_NFIELDS (die->type) = num_fields;
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TYPE_FIELDS (die->type) = (struct field *)
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TYPE_ALLOC (die->type, sizeof (struct field) * num_fields);
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memcpy (TYPE_FIELDS (die->type), fields,
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sizeof (struct field) * num_fields);
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xfree (fields);
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}
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if (unsigned_enum)
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TYPE_FLAGS (type) |= TYPE_FLAG_UNSIGNED;
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TYPE_FLAGS (die->type) |= TYPE_FLAG_UNSIGNED;
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}
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die->type = type;
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new_symbol (die, type, cu);
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new_symbol (die, die->type, cu);
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}
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/* Extract all information from a DW_TAG_array_type DIE and put it in
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@ -5844,7 +5896,7 @@ new_symbol (struct die_info *die, struct type *type, struct dwarf2_cu *cu)
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/* Make sure that the symbol includes appropriate enclosing
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classes/namespaces in its name. These are calculated in
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read_structure_scope, and the correct name is saved in
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read_structure_type, and the correct name is saved in
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the type. */
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if (cu->language == language_cplus)
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@ -6187,10 +6239,10 @@ read_type_die (struct die_info *die, struct dwarf2_cu *cu)
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case DW_TAG_class_type:
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case DW_TAG_structure_type:
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case DW_TAG_union_type:
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read_structure_scope (die, cu);
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read_structure_type (die, cu);
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break;
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case DW_TAG_enumeration_type:
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read_enumeration (die, cu);
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read_enumeration_type (die, cu);
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break;
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case DW_TAG_subprogram:
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case DW_TAG_subroutine_type:
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