static struct taginfo *
/* ARGSUSED */
init_abstract_info(TNF *tnf, tnf_ref32_t *tag, struct taginfo *info)
{
if (INFO_SCALAR(info) || INFO_DERIVED(info) ||
INFO_STRUCT(info) || INFO_ARRAY(info))
_tnf_error(tnf, TNF_ERR_INTERNAL);
if (info->size == (size_t)-1)
_tnf_error(tnf, TNF_ERR_BADTNF);
return (info);
}
void
_tnf_check_slots(tnf_datum_t datum)
{
struct taginfo *info;
CHECK_DATUM(datum);
info = DATUM_INFO(datum);
/* Must be an aggregate */
if (!(INFO_STRUCT(info) || INFO_ARRAY(info)))
_tnf_error(DATUM_TNF(datum), TNF_ERR_TYPEMISMATCH);
}
static struct taginfo *
init_struct_info(TNF *tnf, tnf_ref32_t *tag, struct taginfo *info)
{
if ((!INFO_STRUCT(info)) ||
(INFO_DERIVED(info) || INFO_ARRAY(info) || INFO_SCALAR(info)))
_tnf_error(tnf, TNF_ERR_INTERNAL);
if (info->size == (size_t)-1)
_tnf_error(tnf, TNF_ERR_BADTNF);
/* Get slot information */
init_slots(tnf, tag, info);
return (info);
}
static struct taginfo *
/* ARGSUSED */
init_scalar_info(TNF *tnf, tnf_ref32_t *tag, struct taginfo *info)
{
if ((!INFO_SCALAR(info)) ||
(INFO_DERIVED(info) || INFO_ARRAY(info) || INFO_STRUCT(info)))
_tnf_error(tnf, TNF_ERR_INTERNAL);
if (info->size == (size_t)-1)
_tnf_error(tnf, TNF_ERR_BADTNF);
/* XXX alignment already done */
return (info);
}
static struct taginfo *
add_info(TNF *tnf, tnf_ref32_t *tag)
{
struct taginfo *info, *bucket;
unsigned hash;
tnf_ref32_t *meta;
info = (struct taginfo *)calloc(1, sizeof (struct taginfo));
/* Initialize members */
info->tnf = tnf;
info->tag = tag;
info->name = _tnf_get_name(tnf, tag);
info->props = _tnf_get_props(tnf, tag);
info->kind = _tnf_get_kind(tnf, tag);
info->size = _tnf_get_storage_size(tnf, tag);
info->align = _tnf_get_align(tnf, tag);
/* Add it to table */
hash = TAGHASH(tnf, tag);
bucket = tnf->tag_table[hash];
info->link = bucket;
tnf->tag_table[hash] = info;
/* Ensure meta info is available */
meta = _tnf_get_tag(tnf, tag);
info->meta = _tnf_get_info(tnf, meta);
/*
* Initialize info
* Derived must be first clause due to property inheritance
*/
if (INFO_DERIVED(info))
return (init_derived_info(tnf, tag, info));
else if (INFO_STRUCT(info))
return (init_struct_info(tnf, tag, info));
else if (INFO_ARRAY(info))
return (init_array_info(tnf, tag, info));
else if (INFO_SCALAR(info))
return (init_scalar_info(tnf, tag, info));
else /* XXX assume abstract type */
return (init_abstract_info(tnf, tag, info));
}
static struct taginfo *
init_array_info(TNF *tnf, tnf_ref32_t *tag, struct taginfo *info)
{
tnf_ref32_t *elt_tag;
int defeat;
if ((!INFO_ARRAY(info)) ||
(INFO_DERIVED(info) || INFO_STRUCT(info) || INFO_SCALAR(info)))
_tnf_error(tnf, TNF_ERR_INTERNAL);
/* XXX special-case abstract array tag */
defeat = (strcmp(info->name, TNF_N_ARRAY) == 0);
/* Require all arrays to be self-sized records */
if (!(INFO_TAGGED(info) && (info->size == (size_t)-1)))
if (!defeat)
_tnf_error(tnf, TNF_ERR_BADTNF);
/* Store array header size */
info->hdrsize = _tnf_get_header_size(tnf, tag);
/* XXX Temporary sanity check */
if (info->hdrsize != sizeof (struct tnf_array_hdr))
if (!defeat)
_tnf_error(tnf, TNF_ERR_BADTNF);
/* Get slot information */
init_slots(tnf, tag, info);
/* Get info for element type */
elt_tag = (tnf_ref32_t *)_tnf_get_slot_typed(tnf, tag,
/* LINTED pointer cast may result in improper alignment */
TNF_N_ELEMENT_TYPE);
/* XXX tnf_array has element_type == NULL */
info->base = elt_tag ? _tnf_get_info(tnf, elt_tag): NULL;
return (info);
}