#include "ada-tree.h"
#include "gigi.h"
-#ifndef MAX_FIXED_MODE_SIZE
-#define MAX_FIXED_MODE_SIZE GET_MODE_BITSIZE (DImode)
-#endif
-
#ifndef MAX_BITS_PER_WORD
#define MAX_BITS_PER_WORD BITS_PER_WORD
#endif
debug_hooks->type_decl (type_decl, false);
}
\f
-/* Given a record type RECORD_TYPE and a chain of FIELD_DECL nodes FIELDLIST,
+/* Given a record type RECORD_TYPE and a list of FIELD_DECL nodes FIELD_LIST,
finish constructing the record or union type. If REP_LEVEL is zero, this
record has no representation clause and so will be entirely laid out here.
If REP_LEVEL is one, this record has a representation clause and has been
laid out already; only set the sizes and alignment. If REP_LEVEL is two,
this record is derived from a parent record and thus inherits its layout;
- only make a pass on the fields to finalize them. If DO_NOT_FINALIZE is
- true, the record type is expected to be modified afterwards so it will
- not be sent to the back-end for finalization. */
+ only make a pass on the fields to finalize them. DEBUG_INFO_P is true if
+ we need to write debug information about this type. */
void
-finish_record_type (tree record_type, tree fieldlist, int rep_level,
- bool do_not_finalize)
+finish_record_type (tree record_type, tree field_list, int rep_level,
+ bool debug_info_p)
{
enum tree_code code = TREE_CODE (record_type);
tree name = TYPE_NAME (record_type);
bool had_align = TYPE_ALIGN (record_type) != 0;
tree field;
- TYPE_FIELDS (record_type) = fieldlist;
+ TYPE_FIELDS (record_type) = field_list;
/* Always attach the TYPE_STUB_DECL for a record type. It is required to
generate debug info and have a parallel type. */
handled yet, and adjust DECL_NONADDRESSABLE_P accordingly. */
if (code == QUAL_UNION_TYPE)
- fieldlist = nreverse (fieldlist);
+ field_list = nreverse (field_list);
- for (field = fieldlist; field; field = TREE_CHAIN (field))
+ for (field = field_list; field; field = TREE_CHAIN (field))
{
tree type = TREE_TYPE (field);
tree pos = bit_position (field);
}
if (code == QUAL_UNION_TYPE)
- nreverse (fieldlist);
+ nreverse (field_list);
if (rep_level < 2)
{
}
}
- if (!do_not_finalize)
+ if (debug_info_p)
rest_of_record_type_compilation (record_type);
}
-/* Wrap up compilation of RECORD_TYPE, i.e. most notably output all
- the debug information associated with it. It need not be invoked
- directly in most cases since finish_record_type takes care of doing
- so, unless explicitly requested not to through DO_NOT_FINALIZE. */
+/* Wrap up compilation of RECORD_TYPE, i.e. output all the debug information
+ associated with it. It need not be invoked directly in most cases since
+ finish_record_type takes care of doing so, but this can be necessary if
+ a parallel type is to be attached to the record type. */
void
rest_of_record_type_compilation (tree record_type)
{
- tree fieldlist = TYPE_FIELDS (record_type);
+ tree field_list = TYPE_FIELDS (record_type);
tree field;
enum tree_code code = TREE_CODE (record_type);
bool var_size = false;
- for (field = fieldlist; field; field = TREE_CHAIN (field))
+ for (field = field_list; field; field = TREE_CHAIN (field))
{
/* We need to make an XVE/XVU record if any field has variable size,
whether or not the record does. For example, if we have a union,
{
tree new_type = copy_node (type);
+ /* Unshare the language-specific data. */
+ if (TYPE_LANG_SPECIFIC (type))
+ {
+ TYPE_LANG_SPECIFIC (new_type) = NULL;
+ SET_TYPE_LANG_SPECIFIC (new_type, GET_TYPE_LANG_SPECIFIC (type));
+ }
+
+ /* And the contents of the language-specific slot if needed. */
+ if ((INTEGRAL_TYPE_P (type) || TREE_CODE (type) == REAL_TYPE)
+ && TYPE_RM_VALUES (type))
+ {
+ TYPE_RM_VALUES (new_type) = NULL_TREE;
+ SET_TYPE_RM_SIZE (new_type, TYPE_RM_SIZE (type));
+ SET_TYPE_RM_MIN_VALUE (new_type, TYPE_RM_MIN_VALUE (type));
+ SET_TYPE_RM_MAX_VALUE (new_type, TYPE_RM_MAX_VALUE (type));
+ }
+
/* copy_node clears this field instead of copying it, because it is
aliased with TREE_CHAIN. */
TYPE_STUB_DECL (new_type) = TYPE_STUB_DECL (type);
that is, not violating a No_Elaboration_Code restriction. */
if (global_bindings_p () && var_init != 0 && ! init_const)
Check_Elaboration_Code_Allowed (gnat_node);
+ DECL_INITIAL (var_decl) = var_init;
+ TREE_READONLY (var_decl) = const_flag;
+ DECL_EXTERNAL (var_decl) = extern_flag;
+ TREE_PUBLIC (var_decl) = public_flag || extern_flag;
+ TREE_CONSTANT (var_decl) = constant_p;
+ TREE_THIS_VOLATILE (var_decl) = TREE_SIDE_EFFECTS (var_decl)
+ = TYPE_VOLATILE (type);
/* Ada doesn't feature Fortran-like COMMON variables so we shouldn't
try to fiddle with DECL_COMMON. However, on platforms that don't
go in DATA instead, thus increasing the size of the executable. */
if (!flag_no_common
&& TREE_CODE (var_decl) == VAR_DECL
+ && TREE_PUBLIC (var_decl)
&& !have_global_bss_p ())
DECL_COMMON (var_decl) = 1;
- DECL_INITIAL (var_decl) = var_init;
- TREE_READONLY (var_decl) = const_flag;
- DECL_EXTERNAL (var_decl) = extern_flag;
- TREE_PUBLIC (var_decl) = public_flag || extern_flag;
- TREE_CONSTANT (var_decl) = constant_p;
- TREE_THIS_VOLATILE (var_decl) = TREE_SIDE_EFFECTS (var_decl)
- = TYPE_VOLATILE (type);
/* If it's public and not external, always allocate storage for it.
At the global binding level we need to allocate static storage for the
!= null_pointer_node)
DECL_IGNORED_P (var_decl) = 1;
- if (asm_name && VAR_OR_FUNCTION_DECL_P (var_decl))
- SET_DECL_ASSEMBLER_NAME (var_decl, asm_name);
-
- process_attributes (var_decl, attr_list);
+ if (TREE_CODE (var_decl) == VAR_DECL)
+ {
+ if (asm_name)
+ SET_DECL_ASSEMBLER_NAME (var_decl, asm_name);
+ process_attributes (var_decl, attr_list);
+ }
/* Add this decl to the current binding level. */
gnat_pushdecl (var_decl, gnat_node);
}
}
-/* Return a FIELD_DECL node. FIELD_NAME the field name, FIELD_TYPE is its
- type, and RECORD_TYPE is the type of the parent. PACKED is nonzero if
- this field is in a record type with a "pragma pack". If SIZE is nonzero
- it is the specified size for this field. If POS is nonzero, it is the bit
- position. If ADDRESSABLE is nonzero, it means we are allowed to take
- the address of this field for aliasing purposes. If it is negative, we
- should not make a bitfield, which is used by make_aligning_type. */
+/* Return a FIELD_DECL node. FIELD_NAME is the field's name, FIELD_TYPE is
+ its type and RECORD_TYPE is the type of the enclosing record. PACKED is
+ 1 if the enclosing record is packed, -1 if it has Component_Alignment of
+ Storage_Unit. If SIZE is nonzero, it is the specified size of the field.
+ If POS is nonzero, it is the bit position. If ADDRESSABLE is nonzero, it
+ means we are allowed to take the address of the field; if it is negative,
+ we should not make a bitfield, which is used by make_aligning_type. */
tree
create_field_decl (tree field_name, tree field_type, tree record_type,
else if (packed == 1)
{
size = rm_size (field_type);
-
- /* For a constant size larger than MAX_FIXED_MODE_SIZE, round up to
- byte. */
- if (TREE_CODE (size) == INTEGER_CST
- && compare_tree_int (size, MAX_FIXED_MODE_SIZE) > 0)
- size = round_up (size, BITS_PER_UNIT);
+ if (TYPE_MODE (field_type) == BLKmode)
+ size = round_up (size, BITS_PER_UNIT);
}
/* If we may, according to ADDRESSABLE, make a bitfield if a size is
{
if (mode == BLKmode)
return NULL_TREE;
- else if (mode == VOIDmode)
+
+ if (mode == VOIDmode)
return void_type_node;
- else if (COMPLEX_MODE_P (mode))
+
+ if (COMPLEX_MODE_P (mode))
return NULL_TREE;
- else if (SCALAR_FLOAT_MODE_P (mode))
+
+ if (SCALAR_FLOAT_MODE_P (mode))
return float_type_for_precision (GET_MODE_PRECISION (mode), mode);
- else if (SCALAR_INT_MODE_P (mode))
+
+ if (SCALAR_INT_MODE_P (mode))
return gnat_type_for_size (GET_MODE_BITSIZE (mode), unsignedp);
- else
- return NULL_TREE;
+
+ if (VECTOR_MODE_P (mode))
+ {
+ enum machine_mode inner_mode = GET_MODE_INNER (mode);
+ tree inner_type = gnat_type_for_mode (inner_mode, unsignedp);
+ if (inner_type)
+ return build_vector_type_for_mode (inner_type, mode);
+ }
+
+ return NULL_TREE;
}
/* Return the unsigned version of a TYPE_NODE, a scalar type. */
}
TYPE_NAME (record_type) = create_concat_name (gnat_entity, "DESC");
- finish_record_type (record_type, field_list, 0, true);
+ finish_record_type (record_type, field_list, 0, false);
return record_type;
}
}
TYPE_NAME (record64_type) = create_concat_name (gnat_entity, "DESC64");
- finish_record_type (record64_type, field_list64, 0, true);
+ finish_record_type (record64_type, field_list64, 0, false);
return record64_type;
}
finish_record_type (type,
chainon (chainon (NULL_TREE, template_field),
array_field),
- 0, false);
+ 0, true);
return type;
}
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