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* gdbtypes.c (append_composite_type_field_raw): New.

Browse Source 
(append_composite_type_field_aligned): Use the new function.
	* gdbtypes.h (append_composite_type_field_raw): Declare.
	* target-descriptions.c (struct tdesc_type_field): Add start and end.
	(struct tdesc_type_flag): New type.
	(struct tdesc_type): Add TDESC_TYPE_STRUCT and TDESC_TYPE_FLAGS to
	kind.  Add size to u.u.  Add u.f for flags.
	(tdesc_gdb_type): Handle TDESC_TYPE_STRUCT and TDESC_TYPE_FLAGS.
	(tdesc_free_type): Likewise.
	(tdesc_create_struct, tdesc_set_struct_size, tdesc_create_flags): New.
	(tdesc_add_field): Handle TDESC_TYPE_STRUCT.
	(tdesc_add_bitfield, tdesc_add_flag): New.
	* target-descriptions.h (tdesc_create_struct, tdesc_set_struct_size)
	(tdesc_create_flags, tdesc_add_bitfield, tdesc_add_flag): Declare.
	* xml-tdesc.c (struct tdesc_parsing_data): Rename current_union to
	current_type.  Add current_type_size and current_type_is_flags.
	(tdesc_start_union): Clear the new fields.
	(tdesc_start_struct, tdesc_start_flags): New.
	(tdesc_start_field): Handle struct fields, including bitfields.
	(field_attributes): Make type optional.  Add start and end.
	(union_children): Rename to struct_union_children.
	(union_attributes): Rename to struct_union_attributes.  Add optional
	size.
	(flags_attributes): New.
	(feature_children): Add struct and flags.
	* features/gdb-target.dtd: Add flags and struct to features.
	Make field type optional.  Add field start and end.

	doc/
	* gdb.texinfo (Types): Describe <struct> and <flags>.

	testsuite/
	* gdb.xml/extra-regs.xml: Add struct1, struct2, and flags
	types.  Add structreg, bitfields, and flags registers.
	* gdb.xml/tdesc-regs.exp: Test structreg and bitfields
	registers.
This commit is contained in:
Daniel Jacobowitz
2010-03-01 17:19:23 +00:00
parent bd56defd73
commit f5dff77744
12 changed files with 483 additions and 26 deletions
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19
gdb/gdbtypes.c
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@@ -3303,10 +3303,11 @@ arch_composite_type (struct gdbarch *gdbarch, char *name, enum type_code code)
}
/* Add new field with name NAME and type FIELD to composite type T.
ALIGNMENT (if non-zero) specifies the minimum field alignment. */
void
append_composite_type_field_aligned (struct type *t, char *name,
struct type *field, int alignment)
Do not set the field's position or adjust the type's length;
the caller should do so. Return the new field. */
struct field *
append_composite_type_field_raw (struct type *t, char *name,
struct type *field)
{
struct field *f;
TYPE_NFIELDS (t) = TYPE_NFIELDS (t) + 1;
@@ -3316,6 +3317,16 @@ append_composite_type_field_aligned (struct type *t, char *name,
memset (f, 0, sizeof f[0]);
FIELD_TYPE (f[0]) = field;
FIELD_NAME (f[0]) = name;
return f;
}
/* Add new field with name NAME and type FIELD to composite type T.
ALIGNMENT (if non-zero) specifies the minimum field alignment. */
void
append_composite_type_field_aligned (struct type *t, char *name,
struct type *field, int alignment)
{
struct field *f = append_composite_type_field_raw (t, name, field);
if (TYPE_CODE (t) == TYPE_CODE_UNION)
{
if (TYPE_LENGTH (t) < TYPE_LENGTH (field))