static void
pp_cxx_type_specifier_seq (cxx_pretty_printer *pp, tree t)
{
switch (TREE_CODE (t))
{
case TEMPLATE_DECL:
case TEMPLATE_TYPE_PARM:
case TEMPLATE_TEMPLATE_PARM:
case TYPE_DECL:
case BOUND_TEMPLATE_TEMPLATE_PARM:
pp_cxx_cv_qualifier_seq (pp, t);
pp_cxx_simple_type_specifier (pp, t);
break;
case METHOD_TYPE:
pp_cxx_type_specifier_seq (pp, TREE_TYPE (t));
pp_cxx_space_for_pointer_operator (pp, TREE_TYPE (t));
pp_cxx_nested_name_specifier (pp, TYPE_METHOD_BASETYPE (t));
break;
default:
if (!(TREE_CODE (t) == FUNCTION_DECL && DECL_CONSTRUCTOR_P (t)))
pp_c_specifier_qualifier_list (pp_c_base (pp), t);
}
}
tree
nonlambda_method_basetype (void)
{
tree fn, type;
if (!current_class_ref)
return NULL_TREE;
type = current_class_type;
if (!LAMBDA_TYPE_P (type))
return type;
/* Find the nearest enclosing non-lambda function. */
fn = TYPE_NAME (type);
do
fn = decl_function_context (fn);
while (fn && LAMBDA_FUNCTION_P (fn));
if (!fn || !DECL_NONSTATIC_MEMBER_FUNCTION_P (fn))
return NULL_TREE;
return TYPE_METHOD_BASETYPE (TREE_TYPE (fn));
}
/*
* Construct, lay out and return the type of methods
* belonging to class BASETYPE and whose arguments and
* values are described by TYPE. If that type exists
* already, reuse it. TYPE must be a FUNCTION_TYPE node.
*/
tree
build_method_type (tree basetype, tree type)
{
register tree t;
int hashcode;
/*
* Make a node of the sort we want.
*/
t = make_node (METHOD_TYPE);
if (TREE_CODE (type) != FUNCTION_TYPE)
abort ();
TYPE_METHOD_BASETYPE (t) = basetype;
TREE_TYPE (t) = TREE_TYPE (type);
/*
* The actual arglist for this function includes
* a "hidden" argument which is "this". Put it
* into the list of argument types.
*/
TYPE_ARG_TYPES (t) = tree_cons
(NULL_TREE, build_pointer_type (basetype), TYPE_ARG_TYPES (type));
/*
* If we already have such a type, use the old one
* and free this one.
*/
hashcode = TYPE_HASH (basetype) + TYPE_HASH (type);
t = type_hash_canon (hashcode, t);
if (TYPE_SIZE (t) == NULL_TREE)
layout_type (t);
return (t);
} /* end build_method_type */
bool
useless_type_conversion_p (tree outer_type, tree inner_type)
{
/* Do the following before stripping toplevel qualifiers. */
if (POINTER_TYPE_P (inner_type)
&& POINTER_TYPE_P (outer_type))
{
/* Do not lose casts between pointers to different address spaces. */
if (TYPE_ADDR_SPACE (TREE_TYPE (outer_type))
!= TYPE_ADDR_SPACE (TREE_TYPE (inner_type)))
return false;
/* Do not lose casts to function pointer types. */
if ((TREE_CODE (TREE_TYPE (outer_type)) == FUNCTION_TYPE
|| TREE_CODE (TREE_TYPE (outer_type)) == METHOD_TYPE)
&& !(TREE_CODE (TREE_TYPE (inner_type)) == FUNCTION_TYPE
|| TREE_CODE (TREE_TYPE (inner_type)) == METHOD_TYPE))
return false;
}
/* From now on qualifiers on value types do not matter. */
inner_type = TYPE_MAIN_VARIANT (inner_type);
outer_type = TYPE_MAIN_VARIANT (outer_type);
if (inner_type == outer_type)
return true;
/* Changes in machine mode are never useless conversions because the RTL
middle-end expects explicit conversions between modes. */
if (TYPE_MODE (inner_type) != TYPE_MODE (outer_type))
return false;
/* If both the inner and outer types are integral types, then the
conversion is not necessary if they have the same mode and
signedness and precision, and both or neither are boolean. */
if (INTEGRAL_TYPE_P (inner_type)
&& INTEGRAL_TYPE_P (outer_type))
{
/* Preserve changes in signedness or precision. */
if (TYPE_UNSIGNED (inner_type) != TYPE_UNSIGNED (outer_type)
|| TYPE_PRECISION (inner_type) != TYPE_PRECISION (outer_type))
return false;
/* Preserve conversions to/from BOOLEAN_TYPE if types are not
of precision one. */
if (((TREE_CODE (inner_type) == BOOLEAN_TYPE)
!= (TREE_CODE (outer_type) == BOOLEAN_TYPE))
&& TYPE_PRECISION (outer_type) != 1)
return false;
/* We don't need to preserve changes in the types minimum or
maximum value in general as these do not generate code
unless the types precisions are different. */
return true;
}
/* Scalar floating point types with the same mode are compatible. */
else if (SCALAR_FLOAT_TYPE_P (inner_type)
&& SCALAR_FLOAT_TYPE_P (outer_type))
return true;
/* Fixed point types with the same mode are compatible. */
else if (FIXED_POINT_TYPE_P (inner_type)
&& FIXED_POINT_TYPE_P (outer_type))
return true;
/* We need to take special care recursing to pointed-to types. */
else if (POINTER_TYPE_P (inner_type)
&& POINTER_TYPE_P (outer_type))
{
/* We do not care for const qualification of the pointed-to types
as const qualification has no semantic value to the middle-end. */
/* Otherwise pointers/references are equivalent. */
return true;
}
/* Recurse for complex types. */
else if (TREE_CODE (inner_type) == COMPLEX_TYPE
&& TREE_CODE (outer_type) == COMPLEX_TYPE)
return useless_type_conversion_p (TREE_TYPE (outer_type),
TREE_TYPE (inner_type));
/* Recurse for vector types with the same number of subparts. */
else if (TREE_CODE (inner_type) == VECTOR_TYPE
&& TREE_CODE (outer_type) == VECTOR_TYPE
&& TYPE_PRECISION (inner_type) == TYPE_PRECISION (outer_type))
return useless_type_conversion_p (TREE_TYPE (outer_type),
TREE_TYPE (inner_type));
else if (TREE_CODE (inner_type) == ARRAY_TYPE
&& TREE_CODE (outer_type) == ARRAY_TYPE)
{
/* Preserve various attributes. */
if (TYPE_REVERSE_STORAGE_ORDER (inner_type)
!= TYPE_REVERSE_STORAGE_ORDER (outer_type))
return false;
if (TYPE_STRING_FLAG (inner_type) != TYPE_STRING_FLAG (outer_type))
return false;
/* Conversions from array types with unknown extent to
array types with known extent are not useless. */
if (!TYPE_DOMAIN (inner_type) && TYPE_DOMAIN (outer_type))
return false;
/* Nor are conversions from array types with non-constant size to
array types with constant size or to different size. */
if (TYPE_SIZE (outer_type)
&& TREE_CODE (TYPE_SIZE (outer_type)) == INTEGER_CST
&& (!TYPE_SIZE (inner_type)
|| TREE_CODE (TYPE_SIZE (inner_type)) != INTEGER_CST
|| !tree_int_cst_equal (TYPE_SIZE (outer_type),
TYPE_SIZE (inner_type))))
return false;
/* Check conversions between arrays with partially known extents.
If the array min/max values are constant they have to match.
Otherwise allow conversions to unknown and variable extents.
In particular this declares conversions that may change the
mode to BLKmode as useless. */
if (TYPE_DOMAIN (inner_type)
&& TYPE_DOMAIN (outer_type)
&& TYPE_DOMAIN (inner_type) != TYPE_DOMAIN (outer_type))
{
tree inner_min = TYPE_MIN_VALUE (TYPE_DOMAIN (inner_type));
tree outer_min = TYPE_MIN_VALUE (TYPE_DOMAIN (outer_type));
tree inner_max = TYPE_MAX_VALUE (TYPE_DOMAIN (inner_type));
tree outer_max = TYPE_MAX_VALUE (TYPE_DOMAIN (outer_type));
/* After gimplification a variable min/max value carries no
additional information compared to a NULL value. All that
matters has been lowered to be part of the IL. */
if (inner_min && TREE_CODE (inner_min) != INTEGER_CST)
inner_min = NULL_TREE;
if (outer_min && TREE_CODE (outer_min) != INTEGER_CST)
outer_min = NULL_TREE;
if (inner_max && TREE_CODE (inner_max) != INTEGER_CST)
inner_max = NULL_TREE;
if (outer_max && TREE_CODE (outer_max) != INTEGER_CST)
outer_max = NULL_TREE;
/* Conversions NULL / variable <- cst are useless, but not
the other way around. */
if (outer_min
&& (!inner_min
|| !tree_int_cst_equal (inner_min, outer_min)))
return false;
if (outer_max
&& (!inner_max
|| !tree_int_cst_equal (inner_max, outer_max)))
return false;
}
/* Recurse on the element check. */
return useless_type_conversion_p (TREE_TYPE (outer_type),
TREE_TYPE (inner_type));
}
else if ((TREE_CODE (inner_type) == FUNCTION_TYPE
|| TREE_CODE (inner_type) == METHOD_TYPE)
&& TREE_CODE (inner_type) == TREE_CODE (outer_type))
{
tree outer_parm, inner_parm;
/* If the return types are not compatible bail out. */
if (!useless_type_conversion_p (TREE_TYPE (outer_type),
TREE_TYPE (inner_type)))
return false;
/* Method types should belong to a compatible base class. */
if (TREE_CODE (inner_type) == METHOD_TYPE
&& !useless_type_conversion_p (TYPE_METHOD_BASETYPE (outer_type),
TYPE_METHOD_BASETYPE (inner_type)))
return false;
/* A conversion to an unprototyped argument list is ok. */
if (!prototype_p (outer_type))
return true;
/* If the unqualified argument types are compatible the conversion
is useless. */
if (TYPE_ARG_TYPES (outer_type) == TYPE_ARG_TYPES (inner_type))
return true;
for (outer_parm = TYPE_ARG_TYPES (outer_type),
inner_parm = TYPE_ARG_TYPES (inner_type);
outer_parm && inner_parm;
outer_parm = TREE_CHAIN (outer_parm),
inner_parm = TREE_CHAIN (inner_parm))
if (!useless_type_conversion_p
(TYPE_MAIN_VARIANT (TREE_VALUE (outer_parm)),
TYPE_MAIN_VARIANT (TREE_VALUE (inner_parm))))
return false;
/* If there is a mismatch in the number of arguments the functions
are not compatible. */
if (outer_parm || inner_parm)
return false;
/* Defer to the target if necessary. */
if (TYPE_ATTRIBUTES (inner_type) || TYPE_ATTRIBUTES (outer_type))
return comp_type_attributes (outer_type, inner_type) != 0;
return true;
}
/* For aggregates we rely on TYPE_CANONICAL exclusively and require
explicit conversions for types involving to be structurally
compared types. */
else if (AGGREGATE_TYPE_P (inner_type)
&& TREE_CODE (inner_type) == TREE_CODE (outer_type))
return TYPE_CANONICAL (inner_type)
&& TYPE_CANONICAL (inner_type) == TYPE_CANONICAL (outer_type);
else if (TREE_CODE (inner_type) == OFFSET_TYPE
&& TREE_CODE (outer_type) == OFFSET_TYPE)
return useless_type_conversion_p (TREE_TYPE (outer_type),
TREE_TYPE (inner_type))
&& useless_type_conversion_p
(TYPE_OFFSET_BASETYPE (outer_type),
TYPE_OFFSET_BASETYPE (inner_type));
return false;
}
void
print_node (FILE *file, const char *prefix, tree node, int indent)
{
int hash;
struct bucket *b;
machine_mode mode;
enum tree_code_class tclass;
int len;
int i;
expanded_location xloc;
enum tree_code code;
if (node == 0)
return;
code = TREE_CODE (node);
tclass = TREE_CODE_CLASS (code);
/* Don't get too deep in nesting. If the user wants to see deeper,
it is easy to use the address of a lowest-level node
as an argument in another call to debug_tree. */
if (indent > 24)
{
print_node_brief (file, prefix, node, indent);
return;
}
if (indent > 8 && (tclass == tcc_type || tclass == tcc_declaration))
{
print_node_brief (file, prefix, node, indent);
return;
}
/* It is unsafe to look at any other fields of an ERROR_MARK node. */
if (code == ERROR_MARK)
{
print_node_brief (file, prefix, node, indent);
return;
}
/* Allow this function to be called if the table is not there. */
if (table)
{
hash = ((uintptr_t) node) % HASH_SIZE;
/* If node is in the table, just mention its address. */
for (b = table[hash]; b; b = b->next)
if (b->node == node)
{
print_node_brief (file, prefix, node, indent);
return;
}
/* Add this node to the table. */
b = XNEW (struct bucket);
b->node = node;
b->next = table[hash];
table[hash] = b;
}
/* Indent to the specified column, since this is the long form. */
indent_to (file, indent);
/* Print the slot this node is in, and its code, and address. */
fprintf (file, "%s <%s", prefix, get_tree_code_name (code));
dump_addr (file, " ", node);
/* Print the name, if any. */
if (tclass == tcc_declaration)
{
if (DECL_NAME (node))
fprintf (file, " %s", IDENTIFIER_POINTER (DECL_NAME (node)));
else if (code == LABEL_DECL
&& LABEL_DECL_UID (node) != -1)
{
if (dump_flags & TDF_NOUID)
fprintf (file, " L.xxxx");
else
fprintf (file, " L.%d", (int) LABEL_DECL_UID (node));
}
else
{
if (dump_flags & TDF_NOUID)
fprintf (file, " %c.xxxx", code == CONST_DECL ? 'C' : 'D');
else
fprintf (file, " %c.%u", code == CONST_DECL ? 'C' : 'D',
DECL_UID (node));
}
}
else if (tclass == tcc_type)
{
if (TYPE_NAME (node))
{
if (TREE_CODE (TYPE_NAME (node)) == IDENTIFIER_NODE)
fprintf (file, " %s", IDENTIFIER_POINTER (TYPE_NAME (node)));
else if (TREE_CODE (TYPE_NAME (node)) == TYPE_DECL
&& DECL_NAME (TYPE_NAME (node)))
fprintf (file, " %s",
IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (node))));
}
}
if (code == IDENTIFIER_NODE)
fprintf (file, " %s", IDENTIFIER_POINTER (node));
if (code == INTEGER_CST)
{
if (indent <= 4)
print_node_brief (file, "type", TREE_TYPE (node), indent + 4);
}
else if (CODE_CONTAINS_STRUCT (code, TS_TYPED))
{
print_node (file, "type", TREE_TYPE (node), indent + 4);
if (TREE_TYPE (node))
indent_to (file, indent + 3);
}
if (!TYPE_P (node) && TREE_SIDE_EFFECTS (node))
fputs (" side-effects", file);
if (TYPE_P (node) ? TYPE_READONLY (node) : TREE_READONLY (node))
fputs (" readonly", file);
if (TYPE_P (node) && TYPE_ATOMIC (node))
fputs (" atomic", file);
if (!TYPE_P (node) && TREE_CONSTANT (node))
fputs (" constant", file);
else if (TYPE_P (node) && TYPE_SIZES_GIMPLIFIED (node))
fputs (" sizes-gimplified", file);
if (TYPE_P (node) && !ADDR_SPACE_GENERIC_P (TYPE_ADDR_SPACE (node)))
fprintf (file, " address-space-%d", TYPE_ADDR_SPACE (node));
if (TREE_ADDRESSABLE (node))
fputs (" addressable", file);
if (TREE_THIS_VOLATILE (node))
fputs (" volatile", file);
if (TREE_ASM_WRITTEN (node))
fputs (" asm_written", file);
if (TREE_USED (node))
fputs (" used", file);
if (TREE_NOTHROW (node))
fputs (" nothrow", file);
if (TREE_PUBLIC (node))
fputs (" public", file);
if (TREE_PRIVATE (node))
fputs (" private", file);
if (TREE_PROTECTED (node))
fputs (" protected", file);
if (TREE_STATIC (node))
fputs (code == CALL_EXPR ? " must-tail-call" : " static", file);
if (TREE_DEPRECATED (node))
fputs (" deprecated", file);
if (TREE_VISITED (node))
fputs (" visited", file);
if (code != TREE_VEC && code != INTEGER_CST && code != SSA_NAME)
{
if (TREE_LANG_FLAG_0 (node))
fputs (" tree_0", file);
if (TREE_LANG_FLAG_1 (node))
fputs (" tree_1", file);
if (TREE_LANG_FLAG_2 (node))
fputs (" tree_2", file);
if (TREE_LANG_FLAG_3 (node))
fputs (" tree_3", file);
if (TREE_LANG_FLAG_4 (node))
fputs (" tree_4", file);
if (TREE_LANG_FLAG_5 (node))
fputs (" tree_5", file);
if (TREE_LANG_FLAG_6 (node))
fputs (" tree_6", file);
}
/* DECL_ nodes have additional attributes. */
switch (TREE_CODE_CLASS (code))
{
case tcc_declaration:
if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
{
if (DECL_UNSIGNED (node))
fputs (" unsigned", file);
if (DECL_IGNORED_P (node))
fputs (" ignored", file);
if (DECL_ABSTRACT_P (node))
fputs (" abstract", file);
if (DECL_EXTERNAL (node))
fputs (" external", file);
if (DECL_NONLOCAL (node))
fputs (" nonlocal", file);
}
if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS))
{
if (DECL_WEAK (node))
fputs (" weak", file);
if (DECL_IN_SYSTEM_HEADER (node))
fputs (" in_system_header", file);
}
if (CODE_CONTAINS_STRUCT (code, TS_DECL_WRTL)
&& code != LABEL_DECL
&& code != FUNCTION_DECL
&& DECL_REGISTER (node))
fputs (" regdecl", file);
if (code == TYPE_DECL && TYPE_DECL_SUPPRESS_DEBUG (node))
fputs (" suppress-debug", file);
if (code == FUNCTION_DECL
&& DECL_FUNCTION_SPECIFIC_TARGET (node))
fputs (" function-specific-target", file);
if (code == FUNCTION_DECL
&& DECL_FUNCTION_SPECIFIC_OPTIMIZATION (node))
fputs (" function-specific-opt", file);
if (code == FUNCTION_DECL && DECL_DECLARED_INLINE_P (node))
fputs (" autoinline", file);
if (code == FUNCTION_DECL && DECL_BUILT_IN (node))
fputs (" built-in", file);
if (code == FUNCTION_DECL && DECL_STATIC_CHAIN (node))
fputs (" static-chain", file);
if (TREE_CODE (node) == FUNCTION_DECL && decl_is_tm_clone (node))
fputs (" tm-clone", file);
if (code == FIELD_DECL && DECL_PACKED (node))
fputs (" packed", file);
if (code == FIELD_DECL && DECL_BIT_FIELD (node))
fputs (" bit-field", file);
if (code == FIELD_DECL && DECL_NONADDRESSABLE_P (node))
fputs (" nonaddressable", file);
if (code == LABEL_DECL && EH_LANDING_PAD_NR (node))
fprintf (file, " landing-pad:%d", EH_LANDING_PAD_NR (node));
if (code == VAR_DECL && DECL_IN_TEXT_SECTION (node))
fputs (" in-text-section", file);
if (code == VAR_DECL && DECL_IN_CONSTANT_POOL (node))
fputs (" in-constant-pool", file);
if (code == VAR_DECL && DECL_COMMON (node))
fputs (" common", file);
if (code == VAR_DECL && DECL_THREAD_LOCAL_P (node))
{
fputs (" ", file);
fputs (tls_model_names[DECL_TLS_MODEL (node)], file);
}
if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
{
if (DECL_VIRTUAL_P (node))
fputs (" virtual", file);
if (DECL_PRESERVE_P (node))
fputs (" preserve", file);
if (DECL_LANG_FLAG_0 (node))
fputs (" decl_0", file);
if (DECL_LANG_FLAG_1 (node))
fputs (" decl_1", file);
if (DECL_LANG_FLAG_2 (node))
fputs (" decl_2", file);
if (DECL_LANG_FLAG_3 (node))
fputs (" decl_3", file);
if (DECL_LANG_FLAG_4 (node))
fputs (" decl_4", file);
if (DECL_LANG_FLAG_5 (node))
fputs (" decl_5", file);
if (DECL_LANG_FLAG_6 (node))
fputs (" decl_6", file);
if (DECL_LANG_FLAG_7 (node))
fputs (" decl_7", file);
mode = DECL_MODE (node);
fprintf (file, " %s", GET_MODE_NAME (mode));
}
if ((code == VAR_DECL || code == PARM_DECL || code == RESULT_DECL)
&& DECL_BY_REFERENCE (node))
fputs (" passed-by-reference", file);
if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS) && DECL_DEFER_OUTPUT (node))
fputs (" defer-output", file);
xloc = expand_location (DECL_SOURCE_LOCATION (node));
fprintf (file, " file %s line %d col %d", xloc.file, xloc.line,
xloc.column);
if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
{
print_node (file, "size", DECL_SIZE (node), indent + 4);
print_node (file, "unit size", DECL_SIZE_UNIT (node), indent + 4);
if (code != FUNCTION_DECL || DECL_BUILT_IN (node))
indent_to (file, indent + 3);
if (DECL_USER_ALIGN (node))
fprintf (file, " user");
fprintf (file, " align %d", DECL_ALIGN (node));
if (code == FIELD_DECL)
fprintf (file, " offset_align " HOST_WIDE_INT_PRINT_UNSIGNED,
DECL_OFFSET_ALIGN (node));
if (code == FUNCTION_DECL && DECL_BUILT_IN (node))
{
if (DECL_BUILT_IN_CLASS (node) == BUILT_IN_MD)
fprintf (file, " built-in BUILT_IN_MD %d", DECL_FUNCTION_CODE (node));
else
fprintf (file, " built-in %s:%s",
built_in_class_names[(int) DECL_BUILT_IN_CLASS (node)],
built_in_names[(int) DECL_FUNCTION_CODE (node)]);
}
}
if (code == FIELD_DECL)
{
print_node (file, "offset", DECL_FIELD_OFFSET (node), indent + 4);
print_node (file, "bit offset", DECL_FIELD_BIT_OFFSET (node),
indent + 4);
if (DECL_BIT_FIELD_TYPE (node))
print_node (file, "bit_field_type", DECL_BIT_FIELD_TYPE (node),
indent + 4);
}
print_node_brief (file, "context", DECL_CONTEXT (node), indent + 4);
if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
{
print_node_brief (file, "attributes",
DECL_ATTRIBUTES (node), indent + 4);
if (code != PARM_DECL)
print_node_brief (file, "initial", DECL_INITIAL (node),
indent + 4);
}
if (CODE_CONTAINS_STRUCT (code, TS_DECL_WRTL))
{
print_node_brief (file, "abstract_origin",
DECL_ABSTRACT_ORIGIN (node), indent + 4);
}
if (CODE_CONTAINS_STRUCT (code, TS_DECL_NON_COMMON))
{
print_node (file, "result", DECL_RESULT_FLD (node), indent + 4);
}
lang_hooks.print_decl (file, node, indent);
if (DECL_RTL_SET_P (node))
{
indent_to (file, indent + 4);
print_rtl (file, DECL_RTL (node));
}
if (code == PARM_DECL)
{
print_node (file, "arg-type", DECL_ARG_TYPE (node), indent + 4);
if (DECL_INCOMING_RTL (node) != 0)
{
indent_to (file, indent + 4);
fprintf (file, "incoming-rtl ");
print_rtl (file, DECL_INCOMING_RTL (node));
}
}
else if (code == FUNCTION_DECL
&& DECL_STRUCT_FUNCTION (node) != 0)
{
print_node (file, "arguments", DECL_ARGUMENTS (node), indent + 4);
indent_to (file, indent + 4);
dump_addr (file, "struct-function ", DECL_STRUCT_FUNCTION (node));
}
if ((code == VAR_DECL || code == PARM_DECL)
&& DECL_HAS_VALUE_EXPR_P (node))
print_node (file, "value-expr", DECL_VALUE_EXPR (node), indent + 4);
/* Print the decl chain only if decl is at second level. */
if (indent == 4)
print_node (file, "chain", TREE_CHAIN (node), indent + 4);
else
print_node_brief (file, "chain", TREE_CHAIN (node), indent + 4);
break;
case tcc_type:
if (TYPE_UNSIGNED (node))
fputs (" unsigned", file);
if (TYPE_NO_FORCE_BLK (node))
fputs (" no-force-blk", file);
if (TYPE_STRING_FLAG (node))
fputs (" string-flag", file);
if (TYPE_NEEDS_CONSTRUCTING (node))
fputs (" needs-constructing", file);
if ((code == RECORD_TYPE
|| code == UNION_TYPE
|| code == QUAL_UNION_TYPE
|| code == ARRAY_TYPE)
&& TYPE_REVERSE_STORAGE_ORDER (node))
fputs (" reverse-storage-order", file);
/* The transparent-union flag is used for different things in
different nodes. */
if ((code == UNION_TYPE || code == RECORD_TYPE)
&& TYPE_TRANSPARENT_AGGR (node))
fputs (" transparent-aggr", file);
else if (code == ARRAY_TYPE
&& TYPE_NONALIASED_COMPONENT (node))
fputs (" nonaliased-component", file);
if (TYPE_PACKED (node))
fputs (" packed", file);
if (TYPE_RESTRICT (node))
fputs (" restrict", file);
if (TYPE_LANG_FLAG_0 (node))
fputs (" type_0", file);
if (TYPE_LANG_FLAG_1 (node))
fputs (" type_1", file);
if (TYPE_LANG_FLAG_2 (node))
fputs (" type_2", file);
if (TYPE_LANG_FLAG_3 (node))
fputs (" type_3", file);
if (TYPE_LANG_FLAG_4 (node))
fputs (" type_4", file);
if (TYPE_LANG_FLAG_5 (node))
fputs (" type_5", file);
if (TYPE_LANG_FLAG_6 (node))
fputs (" type_6", file);
if (TYPE_LANG_FLAG_7 (node))
fputs (" type_7", file);
mode = TYPE_MODE (node);
fprintf (file, " %s", GET_MODE_NAME (mode));
print_node (file, "size", TYPE_SIZE (node), indent + 4);
print_node (file, "unit size", TYPE_SIZE_UNIT (node), indent + 4);
indent_to (file, indent + 3);
if (TYPE_USER_ALIGN (node))
fprintf (file, " user");
fprintf (file, " align %d symtab %d alias set " HOST_WIDE_INT_PRINT_DEC,
TYPE_ALIGN (node), TYPE_SYMTAB_ADDRESS (node),
(HOST_WIDE_INT) TYPE_ALIAS_SET (node));
if (TYPE_STRUCTURAL_EQUALITY_P (node))
fprintf (file, " structural equality");
else
dump_addr (file, " canonical type ", TYPE_CANONICAL (node));
print_node (file, "attributes", TYPE_ATTRIBUTES (node), indent + 4);
if (INTEGRAL_TYPE_P (node) || code == REAL_TYPE
|| code == FIXED_POINT_TYPE)
{
fprintf (file, " precision %d", TYPE_PRECISION (node));
print_node_brief (file, "min", TYPE_MIN_VALUE (node), indent + 4);
print_node_brief (file, "max", TYPE_MAX_VALUE (node), indent + 4);
}
if (code == ENUMERAL_TYPE)
print_node (file, "values", TYPE_VALUES (node), indent + 4);
else if (code == ARRAY_TYPE)
print_node (file, "domain", TYPE_DOMAIN (node), indent + 4);
else if (code == VECTOR_TYPE)
fprintf (file, " nunits %d", (int) TYPE_VECTOR_SUBPARTS (node));
else if (code == RECORD_TYPE
|| code == UNION_TYPE
|| code == QUAL_UNION_TYPE)
print_node (file, "fields", TYPE_FIELDS (node), indent + 4);
else if (code == FUNCTION_TYPE
|| code == METHOD_TYPE)
{
if (TYPE_METHOD_BASETYPE (node))
print_node_brief (file, "method basetype",
TYPE_METHOD_BASETYPE (node), indent + 4);
print_node (file, "arg-types", TYPE_ARG_TYPES (node), indent + 4);
}
else if (code == OFFSET_TYPE)
print_node_brief (file, "basetype", TYPE_OFFSET_BASETYPE (node),
indent + 4);
if (TYPE_CONTEXT (node))
print_node_brief (file, "context", TYPE_CONTEXT (node), indent + 4);
lang_hooks.print_type (file, node, indent);
if (TYPE_POINTER_TO (node) || TREE_CHAIN (node))
indent_to (file, indent + 3);
print_node_brief (file, "pointer_to_this", TYPE_POINTER_TO (node),
indent + 4);
print_node_brief (file, "reference_to_this", TYPE_REFERENCE_TO (node),
indent + 4);
print_node_brief (file, "chain", TREE_CHAIN (node), indent + 4);
break;
case tcc_expression:
case tcc_comparison:
case tcc_unary:
case tcc_binary:
case tcc_reference:
case tcc_statement:
case tcc_vl_exp:
if (code == BIND_EXPR)
{
print_node (file, "vars", TREE_OPERAND (node, 0), indent + 4);
print_node (file, "body", TREE_OPERAND (node, 1), indent + 4);
print_node (file, "block", TREE_OPERAND (node, 2), indent + 4);
break;
}
if (code == CALL_EXPR)
{
call_expr_arg_iterator iter;
tree arg;
print_node (file, "fn", CALL_EXPR_FN (node), indent + 4);
print_node (file, "static_chain", CALL_EXPR_STATIC_CHAIN (node),
indent + 4);
i = 0;
FOR_EACH_CALL_EXPR_ARG (arg, iter, node)
{
char temp[10];
sprintf (temp, "arg %d", i);
print_node (file, temp, arg, indent + 4);
i++;
}
}
// generate a block for a declaration, which is either a function or global.
void XIL_GenerateBlock(tree decl)
{
memset(&xil_active_env, 0, sizeof(struct XIL_BlockEnv));
XIL_Var xil_var = NULL;
int annot_type = 0;
if (xil_has_annotation) {
gcc_assert(annotation_name);
gcc_assert(TREE_CODE(decl) == FUNCTION_DECL);
// get the name of the function/global/type being annotated; this looks at
// any annot_global / annot_source attributes on the decl.
const char *full_name = XIL_GlobalName(decl);
const char *name = XIL_SourceName(decl);
if (!strcmp(annotation_class, "func"))
xil_var = XIL_VarFunc(full_name, name);
else if (!strcmp(annotation_class, "init"))
xil_var = XIL_VarGlob(full_name, name);
else if (!strcmp(annotation_class, "comp")) {
xil_var = XIL_VarGlob(full_name, name);
annot_type = 1;
}
gcc_assert(xil_var);
}
else {
xil_var = XIL_TranslateVar(decl);
}
tree type = TREE_TYPE(decl);
XIL_Type xil_type = XIL_TranslateType(type);
// fixup the type for destructors. these have an __in_chrg argument that
// doesn't show up when the functions are called.
if (XIL_IsDestructor(decl)) {
if (TREE_CODE(type) == METHOD_TYPE) {
tree base_type = TYPE_METHOD_BASETYPE(type);
XIL_Type xil_base_type = XIL_TranslateType(base_type);
const char *this_csu = XIL_GetTypeCSUName(xil_base_type);
xil_type = XIL_TypeFunction(XIL_TypeVoid(), this_csu, false, NULL, 0);
}
else {
TREE_UNEXPECTED(decl);
}
}
// don't deal with extern functions/globals. we will see the definition later
// (hopefully!), including the complete type for arrays and any initializer.
// we still want to process the type for these in case anonymous types are
// being used.
if (DECL_EXTERNAL(decl))
return;
// parse the annotation kind.
XIL_AnnotationKind use_kind = 0;
if (annotation_kind) {
#define XIL_TEST_ANNOT(_, STR, VALUE) \
if (!strcmp(annotation_kind, STR)) use_kind = VALUE;
XIL_ITERATE_ANNOT(XIL_TEST_ANNOT)
#undef XIL_TEST_ANNOT
gcc_assert(use_kind);
}
const char *name = XIL_GetVarName(xil_var);
xil_active_env.decl = decl;
xil_active_env.decl_name = name;
XIL_SetActiveBlock(xil_var, annotation_name, use_kind, annot_type);
const char *decl_file = DECL_SOURCE_FILE(decl);
int decl_line = DECL_SOURCE_LINE(decl);
// get the begin file/line for a function definition. this is somewhat
// trickier than might be expected. the decl's location sometimes comes from
// a header file and not the definition we are interested in, while the
// result variable's location corresponds to the ')' for the function,
// not the function symbol which we want. solution: use the decl's location
// unless it looks like it came from a declaration (in a different file
// than the result, or many lines earlier).
if (TREE_CODE(decl) == FUNCTION_DECL) {
tree result = DECL_RESULT(decl);
if (result) {
const char *res_decl_file = DECL_SOURCE_FILE(result);
int res_decl_line = DECL_SOURCE_LINE(result);
if (strcmp(decl_file, res_decl_file) ||
res_decl_line > decl_line + 10) {
decl_file = res_decl_file;
decl_line = res_decl_line;
}
}
}
XIL_Location begin_loc = XIL_MakeLocation(decl_file, decl_line);
// get the end file/line from the parser's current position, unless the
// parser has no current position.
const char *end_file = input_filename;
int end_line = input_line;
if (!input_filename) {
end_file = decl_file;
end_line = decl_line;
}
// the begin/end points of the declaration should be in the same file.
if (strcmp(decl_file, end_file))
TREE_UNEXPECTED(decl);
XIL_Location end_loc = XIL_MakeLocation(end_file, end_line);
XIL_CFGSetCommand(xil_command);
XIL_CFGSetBeginLocation(begin_loc);
XIL_CFGSetEndLocation(end_loc);
xil_active_env.entry_point = xil_active_env.last_point = XIL_CFGAddPoint(begin_loc);
xil_active_env.exit_point = XIL_CFGAddPoint(end_loc);
XIL_CFGSetEntryPoint(xil_active_env.entry_point);
XIL_CFGSetExitPoint(xil_active_env.exit_point);
// add the decl variable to the active CFG. override any previous type we
// had for the variable, to account for seeing multiple definitions of
// a variable, which gcc allows, e.g. int buf[]; int buf[10];
if (!xil_has_annotation)
XIL_CFGAddVar(xil_var, xil_type, 1);
// current point for traversal of the function/initializer.
XIL_PPoint point = xil_active_env.entry_point;
bool is_function = (TREE_CODE(decl) == FUNCTION_DECL);
if (is_function) {
// handling for function definitions.
tree defn = DECL_SAVED_TREE(decl);
// add the parameters to the active CFG. skip this for destructors
// to avoid the __in_chrg argument.
if (!XIL_IsDestructor(decl)) {
tree param = DECL_ARGUMENTS(decl);
while (param) {
gcc_assert(TREE_CODE(param) == PARM_DECL);
XIL_TranslateVar(param); // forces insertion of the parameter.
param = TREE_CHAIN(param);
}
}
// generate edges for the function body.
XIL_ActivePushScope();
MAKE_ENV(body_env, &point, NULL);
XIL_TranslateTree(&body_env, defn);
XIL_ActivePopScope();
}
else {
// handling for global variables.
tree initial = DECL_INITIAL(decl);
// make an assignment for any initializer. for compound initializers
// this may get fairly involved.
if (initial) {
MAKE_ENV(initial_env, &point, NULL);
initial_env.result_assign = XIL_ExpVar(xil_var);
initial_env.result_assign_type = xil_type;
XIL_TranslateTree(&initial_env, initial);
}
}
// connect any fall through to the exit point.
XIL_CFGEdgeSkip(point, xil_active_env.exit_point);
// for debugging, bail out of compilation at the first error.
//if (xil_active_env.dropped) {
// printf("XIL: Bailing out\n");
// exit(1);
//}
// process any annotations read in from file for the function,
// now that we know all locals.
int count = XIL_GetAnnotationCount(name, !is_function, false);
int ind = 0;
for (; ind < count; ind++) {
const char *where;
const char *point_text, *annot_text;
int trusted;
XIL_GetAnnotation(name, !is_function, false, ind, &where,
&point_text, &annot_text, &trusted);
XIL_ProcessAnnotationRead(decl, where, point_text, annot_text, trusted);
}
// process annotations discovered for CSU types.
while (xil_active_env.annots) {
struct XIL_PendingAnnotation *annot = xil_active_env.annots;
xil_active_env.annots = annot->next;
XIL_ProcessAnnotationAttr(annot->type, annot->attr, NULL, NULL);
}
XIL_ClearActiveBlock(xil_active_env.dropped);
XIL_ClearAssociate(XIL_AscBlock);
memset(&xil_active_env, 0, sizeof(struct XIL_BlockEnv));
}
static void
dequeue_and_dump (dump_info_p di)
{
dump_queue_p dq;
splay_tree_node stn;
dump_node_info_p dni;
tree t;
unsigned int index;
enum tree_code code;
enum tree_code_class code_class;
const char* code_name;
/* Get the next node from the queue. */
dq = di->queue;
stn = dq->node;
t = (tree) stn->key;
dni = (dump_node_info_p) stn->value;
index = dni->index;
/* Remove the node from the queue, and put it on the free list. */
di->queue = dq->next;
if (!di->queue)
di->queue_end = 0;
dq->next = di->free_list;
di->free_list = dq;
/* Print the node index. */
dump_index (di, index);
/* And the type of node this is. */
if (dni->binfo_p)
code_name = "binfo";
else
code_name = tree_code_name[(int) TREE_CODE (t)];
fprintf (di->stream, "%-16s ", code_name);
di->column = 25;
/* Figure out what kind of node this is. */
code = TREE_CODE (t);
code_class = TREE_CODE_CLASS (code);
/* Although BINFOs are TREE_VECs, we dump them specially so as to be
more informative. */
if (dni->binfo_p)
{
unsigned ix;
tree base;
VEC(tree,gc) *accesses = BINFO_BASE_ACCESSES (t);
dump_child ("type", BINFO_TYPE (t));
if (BINFO_VIRTUAL_P (t))
dump_string_field (di, "spec", "virt");
dump_int (di, "bases", BINFO_N_BASE_BINFOS (t));
for (ix = 0; BINFO_BASE_ITERATE (t, ix, base); ix++)
{
tree access = (accesses ? VEC_index (tree, accesses, ix)
: access_public_node);
const char *string = NULL;
if (access == access_public_node)
string = "pub";
else if (access == access_protected_node)
string = "prot";
else if (access == access_private_node)
string = "priv";
else
gcc_unreachable ();
dump_string_field (di, "accs", string);
queue_and_dump_index (di, "binf", base, DUMP_BINFO);
}
goto done;
}
/* We can knock off a bunch of expression nodes in exactly the same
way. */
if (IS_EXPR_CODE_CLASS (code_class))
{
/* If we're dumping children, dump them now. */
queue_and_dump_type (di, t);
switch (code_class)
{
case tcc_unary:
dump_child ("op 0", TREE_OPERAND (t, 0));
break;
case tcc_binary:
case tcc_comparison:
dump_child ("op 0", TREE_OPERAND (t, 0));
dump_child ("op 1", TREE_OPERAND (t, 1));
break;
case tcc_expression:
case tcc_reference:
case tcc_statement:
case tcc_vl_exp:
/* These nodes are handled explicitly below. */
break;
default:
gcc_unreachable ();
}
}
else if (DECL_P (t))
{
expanded_location xloc;
/* All declarations have names. */
if (DECL_NAME (t))
dump_child ("name", DECL_NAME (t));
if (DECL_ASSEMBLER_NAME_SET_P (t)
&& DECL_ASSEMBLER_NAME (t) != DECL_NAME (t))
dump_child ("mngl", DECL_ASSEMBLER_NAME (t));
if (DECL_ABSTRACT_ORIGIN (t))
dump_child ("orig", DECL_ABSTRACT_ORIGIN (t));
/* And types. */
queue_and_dump_type (di, t);
dump_child ("scpe", DECL_CONTEXT (t));
/* And a source position. */
xloc = expand_location (DECL_SOURCE_LOCATION (t));
if (xloc.file)
{
const char *filename = lbasename (xloc.file);
dump_maybe_newline (di);
fprintf (di->stream, "srcp: %s:%-6d ", filename,
xloc.line);
di->column += 6 + strlen (filename) + 8;
}
/* And any declaration can be compiler-generated. */
if (CODE_CONTAINS_STRUCT (TREE_CODE (t), TS_DECL_COMMON)
&& DECL_ARTIFICIAL (t))
dump_string_field (di, "note", "artificial");
if (DECL_CHAIN (t) && !dump_flag (di, TDF_SLIM, NULL))
dump_child ("chain", DECL_CHAIN (t));
}
else if (code_class == tcc_type)
{
/* All types have qualifiers. */
int quals = lang_hooks.tree_dump.type_quals (t);
if (quals != TYPE_UNQUALIFIED)
{
fprintf (di->stream, "qual: %c%c%c ",
(quals & TYPE_QUAL_CONST) ? 'c' : ' ',
(quals & TYPE_QUAL_VOLATILE) ? 'v' : ' ',
(quals & TYPE_QUAL_RESTRICT) ? 'r' : ' ');
di->column += 14;
}
/* All types have associated declarations. */
dump_child ("name", TYPE_NAME (t));
/* All types have a main variant. */
if (TYPE_MAIN_VARIANT (t) != t)
dump_child ("unql", TYPE_MAIN_VARIANT (t));
/* And sizes. */
dump_child ("size", TYPE_SIZE (t));
/* All types have alignments. */
dump_int (di, "algn", TYPE_ALIGN (t));
}
else if (code_class == tcc_constant)
/* All constants can have types. */
queue_and_dump_type (di, t);
/* Give the language-specific code a chance to print something. If
it's completely taken care of things, don't bother printing
anything more ourselves. */
if (lang_hooks.tree_dump.dump_tree (di, t))
goto done;
/* Now handle the various kinds of nodes. */
switch (code)
{
int i;
case IDENTIFIER_NODE:
dump_string_field (di, "strg", IDENTIFIER_POINTER (t));
dump_int (di, "lngt", IDENTIFIER_LENGTH (t));
break;
case TREE_LIST:
dump_child ("purp", TREE_PURPOSE (t));
dump_child ("valu", TREE_VALUE (t));
dump_child ("chan", TREE_CHAIN (t));
break;
case STATEMENT_LIST:
{
tree_stmt_iterator it;
for (i = 0, it = tsi_start (t); !tsi_end_p (it); tsi_next (&it), i++)
{
char buffer[32];
sprintf (buffer, "%u", i);
dump_child (buffer, tsi_stmt (it));
}
}
break;
case TREE_VEC:
dump_int (di, "lngt", TREE_VEC_LENGTH (t));
for (i = 0; i < TREE_VEC_LENGTH (t); ++i)
{
char buffer[32];
sprintf (buffer, "%u", i);
dump_child (buffer, TREE_VEC_ELT (t, i));
}
break;
case INTEGER_TYPE:
case ENUMERAL_TYPE:
dump_int (di, "prec", TYPE_PRECISION (t));
dump_string_field (di, "sign", TYPE_UNSIGNED (t) ? "unsigned": "signed");
dump_child ("min", TYPE_MIN_VALUE (t));
dump_child ("max", TYPE_MAX_VALUE (t));
if (code == ENUMERAL_TYPE)
dump_child ("csts", TYPE_VALUES (t));
break;
case REAL_TYPE:
dump_int (di, "prec", TYPE_PRECISION (t));
break;
case FIXED_POINT_TYPE:
dump_int (di, "prec", TYPE_PRECISION (t));
dump_string_field (di, "sign", TYPE_UNSIGNED (t) ? "unsigned": "signed");
dump_string_field (di, "saturating",
TYPE_SATURATING (t) ? "saturating": "non-saturating");
break;
case POINTER_TYPE:
dump_child ("ptd", TREE_TYPE (t));
break;
case REFERENCE_TYPE:
dump_child ("refd", TREE_TYPE (t));
break;
case METHOD_TYPE:
dump_child ("clas", TYPE_METHOD_BASETYPE (t));
/* Fall through. */
case FUNCTION_TYPE:
dump_child ("retn", TREE_TYPE (t));
dump_child ("prms", TYPE_ARG_TYPES (t));
break;
case ARRAY_TYPE:
dump_child ("elts", TREE_TYPE (t));
dump_child ("domn", TYPE_DOMAIN (t));
break;
case RECORD_TYPE:
case UNION_TYPE:
if (TREE_CODE (t) == RECORD_TYPE)
dump_string_field (di, "tag", "struct");
else
dump_string_field (di, "tag", "union");
dump_child ("flds", TYPE_FIELDS (t));
dump_child ("fncs", TYPE_METHODS (t));
queue_and_dump_index (di, "binf", TYPE_BINFO (t),
DUMP_BINFO);
break;
case CONST_DECL:
dump_child ("cnst", DECL_INITIAL (t));
break;
case DEBUG_EXPR_DECL:
dump_int (di, "-uid", DEBUG_TEMP_UID (t));
/* Fall through. */
case VAR_DECL:
case PARM_DECL:
case FIELD_DECL:
case RESULT_DECL:
if (TREE_CODE (t) == PARM_DECL)
dump_child ("argt", DECL_ARG_TYPE (t));
else
dump_child ("init", DECL_INITIAL (t));
dump_child ("size", DECL_SIZE (t));
dump_int (di, "algn", DECL_ALIGN (t));
if (TREE_CODE (t) == FIELD_DECL)
{
if (DECL_FIELD_OFFSET (t))
dump_child ("bpos", bit_position (t));
}
else if (TREE_CODE (t) == VAR_DECL
|| TREE_CODE (t) == PARM_DECL)
{
dump_int (di, "used", TREE_USED (t));
if (DECL_REGISTER (t))
dump_string_field (di, "spec", "register");
}
break;
case FUNCTION_DECL:
dump_child ("args", DECL_ARGUMENTS (t));
if (DECL_EXTERNAL (t))
dump_string_field (di, "body", "undefined");
if (TREE_PUBLIC (t))
dump_string_field (di, "link", "extern");
else
dump_string_field (di, "link", "static");
if (DECL_SAVED_TREE (t) && !dump_flag (di, TDF_SLIM, t))
dump_child ("body", DECL_SAVED_TREE (t));
break;
case INTEGER_CST:
if (TREE_INT_CST_HIGH (t))
dump_int (di, "high", TREE_INT_CST_HIGH (t));
dump_int (di, "low", TREE_INT_CST_LOW (t));
break;
case STRING_CST:
fprintf (di->stream, "strg: %-7s ", TREE_STRING_POINTER (t));
dump_int (di, "lngt", TREE_STRING_LENGTH (t));
break;
case REAL_CST:
dump_real (di, "valu", TREE_REAL_CST_PTR (t));
break;
case FIXED_CST:
dump_fixed (di, "valu", TREE_FIXED_CST_PTR (t));
break;
case TRUTH_NOT_EXPR:
case ADDR_EXPR:
case INDIRECT_REF:
case CLEANUP_POINT_EXPR:
case SAVE_EXPR:
case REALPART_EXPR:
case IMAGPART_EXPR:
/* These nodes are unary, but do not have code class `1'. */
dump_child ("op 0", TREE_OPERAND (t, 0));
break;
case TRUTH_ANDIF_EXPR:
case TRUTH_ORIF_EXPR:
case INIT_EXPR:
case MODIFY_EXPR:
case COMPOUND_EXPR:
case PREDECREMENT_EXPR:
case PREINCREMENT_EXPR:
case POSTDECREMENT_EXPR:
case POSTINCREMENT_EXPR:
/* These nodes are binary, but do not have code class `2'. */
dump_child ("op 0", TREE_OPERAND (t, 0));
dump_child ("op 1", TREE_OPERAND (t, 1));
break;
case COMPONENT_REF:
dump_child ("op 0", TREE_OPERAND (t, 0));
dump_child ("op 1", TREE_OPERAND (t, 1));
dump_child ("op 2", TREE_OPERAND (t, 2));
break;
case ARRAY_REF:
case ARRAY_RANGE_REF:
dump_child ("op 0", TREE_OPERAND (t, 0));
dump_child ("op 1", TREE_OPERAND (t, 1));
dump_child ("op 2", TREE_OPERAND (t, 2));
dump_child ("op 3", TREE_OPERAND (t, 3));
break;
case COND_EXPR:
dump_child ("op 0", TREE_OPERAND (t, 0));
dump_child ("op 1", TREE_OPERAND (t, 1));
dump_child ("op 2", TREE_OPERAND (t, 2));
break;
case TRY_FINALLY_EXPR:
dump_child ("op 0", TREE_OPERAND (t, 0));
dump_child ("op 1", TREE_OPERAND (t, 1));
break;
case CALL_EXPR:
{
int i = 0;
tree arg;
call_expr_arg_iterator iter;
dump_child ("fn", CALL_EXPR_FN (t));
FOR_EACH_CALL_EXPR_ARG (arg, iter, t)
{
char buffer[32];
sprintf (buffer, "%u", i);
dump_child (buffer, arg);
i++;
}
}
break;
case CONSTRUCTOR:
{
unsigned HOST_WIDE_INT cnt;
tree index, value;
dump_int (di, "lngt", VEC_length (constructor_elt,
CONSTRUCTOR_ELTS (t)));
FOR_EACH_CONSTRUCTOR_ELT (CONSTRUCTOR_ELTS (t), cnt, index, value)
{
dump_child ("idx", index);
dump_child ("val", value);
}
}
void
browse_tree (tree begin)
{
tree head;
TB_CODE tbc = TB_UNUSED_COMMAND;
ssize_t rd;
char *input = NULL;
long input_size = 0;
fprintf (TB_OUT_FILE, "\nTree Browser\n");
#define TB_SET_HEAD(N) do { \
vec_safe_push (TB_history_stack, N); \
head = N; \
if (TB_verbose) \
if (head) \
{ \
print_generic_expr (TB_OUT_FILE, head, 0); \
fprintf (TB_OUT_FILE, "\n"); \
} \
} while (0)
TB_SET_HEAD (begin);
/* Store in a hashtable information about previous and upper statements. */
{
TB_up_ht = new hash_table<tree_upper_hasher> (1023);
TB_update_up (head);
}
while (24)
{
fprintf (TB_OUT_FILE, "TB> ");
rd = TB_getline (&input, &input_size, TB_IN_FILE);
if (rd == -1)
/* EOF. */
goto ret;
if (rd != 1)
/* Get a new command. Otherwise the user just pressed enter, and thus
she expects the last command to be reexecuted. */
tbc = TB_get_command (input);
switch (tbc)
{
case TB_UPDATE_UP:
TB_update_up (head);
break;
case TB_MAX:
if (head && (INTEGRAL_TYPE_P (head)
|| TREE_CODE (head) == REAL_TYPE
|| TREE_CODE (head) == FIXED_POINT_TYPE))
TB_SET_HEAD (TYPE_MAX_VALUE (head));
else
TB_WF;
break;
case TB_MIN:
if (head && (INTEGRAL_TYPE_P (head)
|| TREE_CODE (head) == REAL_TYPE
|| TREE_CODE (head) == FIXED_POINT_TYPE))
TB_SET_HEAD (TYPE_MIN_VALUE (head));
else
TB_WF;
break;
case TB_ELT:
if (head && TREE_CODE (head) == TREE_VEC)
{
/* This command takes another argument: the element number:
for example "elt 1". */
TB_NIY;
}
else if (head && TREE_CODE (head) == VECTOR_CST)
{
/* This command takes another argument: the element number:
for example "elt 1". */
TB_NIY;
}
else
TB_WF;
break;
case TB_VALUE:
if (head && TREE_CODE (head) == TREE_LIST)
TB_SET_HEAD (TREE_VALUE (head));
else
TB_WF;
break;
case TB_PURPOSE:
if (head && TREE_CODE (head) == TREE_LIST)
TB_SET_HEAD (TREE_PURPOSE (head));
else
TB_WF;
break;
case TB_IMAG:
if (head && TREE_CODE (head) == COMPLEX_CST)
TB_SET_HEAD (TREE_IMAGPART (head));
else
TB_WF;
break;
case TB_REAL:
if (head && TREE_CODE (head) == COMPLEX_CST)
TB_SET_HEAD (TREE_REALPART (head));
else
TB_WF;
break;
case TB_BLOCK:
if (head && TREE_CODE (head) == BIND_EXPR)
TB_SET_HEAD (TREE_OPERAND (head, 2));
else
TB_WF;
break;
case TB_SUBBLOCKS:
if (head && TREE_CODE (head) == BLOCK)
TB_SET_HEAD (BLOCK_SUBBLOCKS (head));
else
TB_WF;
break;
case TB_SUPERCONTEXT:
if (head && TREE_CODE (head) == BLOCK)
TB_SET_HEAD (BLOCK_SUPERCONTEXT (head));
else
TB_WF;
break;
case TB_VARS:
if (head && TREE_CODE (head) == BLOCK)
TB_SET_HEAD (BLOCK_VARS (head));
else if (head && TREE_CODE (head) == BIND_EXPR)
TB_SET_HEAD (TREE_OPERAND (head, 0));
else
TB_WF;
break;
case TB_REFERENCE_TO_THIS:
if (head && TYPE_P (head))
TB_SET_HEAD (TYPE_REFERENCE_TO (head));
else
TB_WF;
break;
case TB_POINTER_TO_THIS:
if (head && TYPE_P (head))
TB_SET_HEAD (TYPE_POINTER_TO (head));
else
TB_WF;
break;
case TB_BASETYPE:
if (head && TREE_CODE (head) == OFFSET_TYPE)
TB_SET_HEAD (TYPE_OFFSET_BASETYPE (head));
else
TB_WF;
break;
case TB_ARG_TYPES:
if (head && (TREE_CODE (head) == FUNCTION_TYPE
|| TREE_CODE (head) == METHOD_TYPE))
TB_SET_HEAD (TYPE_ARG_TYPES (head));
else
TB_WF;
break;
case TB_METHOD_BASE_TYPE:
if (head && (TREE_CODE (head) == FUNCTION_TYPE
|| TREE_CODE (head) == METHOD_TYPE)
&& TYPE_METHOD_BASETYPE (head))
TB_SET_HEAD (TYPE_METHOD_BASETYPE (head));
else
TB_WF;
break;
case TB_FIELDS:
if (head && (TREE_CODE (head) == RECORD_TYPE
|| TREE_CODE (head) == UNION_TYPE
|| TREE_CODE (head) == QUAL_UNION_TYPE))
TB_SET_HEAD (TYPE_FIELDS (head));
else
TB_WF;
break;
case TB_DOMAIN:
if (head && TREE_CODE (head) == ARRAY_TYPE)
TB_SET_HEAD (TYPE_DOMAIN (head));
else
TB_WF;
break;
case TB_VALUES:
if (head && TREE_CODE (head) == ENUMERAL_TYPE)
TB_SET_HEAD (TYPE_VALUES (head));
else
TB_WF;
break;
case TB_ARG_TYPE:
if (head && TREE_CODE (head) == PARM_DECL)
TB_SET_HEAD (DECL_ARG_TYPE (head));
else
TB_WF;
break;
case TB_INITIAL:
if (head && DECL_P (head))
TB_SET_HEAD (DECL_INITIAL (head));
else
TB_WF;
break;
case TB_RESULT:
if (head && DECL_P (head))
TB_SET_HEAD (DECL_RESULT_FLD (head));
else
TB_WF;
break;
case TB_ARGUMENTS:
if (head && DECL_P (head))
TB_SET_HEAD (DECL_ARGUMENTS (head));
else
TB_WF;
break;
case TB_ABSTRACT_ORIGIN:
if (head && DECL_P (head))
TB_SET_HEAD (DECL_ABSTRACT_ORIGIN (head));
else if (head && TREE_CODE (head) == BLOCK)
TB_SET_HEAD (BLOCK_ABSTRACT_ORIGIN (head));
else
TB_WF;
break;
case TB_ATTRIBUTES:
if (head && DECL_P (head))
TB_SET_HEAD (DECL_ATTRIBUTES (head));
else if (head && TYPE_P (head))
TB_SET_HEAD (TYPE_ATTRIBUTES (head));
else
TB_WF;
break;
case TB_CONTEXT:
if (head && DECL_P (head))
TB_SET_HEAD (DECL_CONTEXT (head));
else if (head && TYPE_P (head)
&& TYPE_CONTEXT (head))
TB_SET_HEAD (TYPE_CONTEXT (head));
else
TB_WF;
break;
case TB_OFFSET:
if (head && TREE_CODE (head) == FIELD_DECL)
TB_SET_HEAD (DECL_FIELD_OFFSET (head));
else
TB_WF;
break;
case TB_BIT_OFFSET:
if (head && TREE_CODE (head) == FIELD_DECL)
TB_SET_HEAD (DECL_FIELD_BIT_OFFSET (head));
else
TB_WF;
break;
case TB_UNIT_SIZE:
if (head && DECL_P (head))
TB_SET_HEAD (DECL_SIZE_UNIT (head));
else if (head && TYPE_P (head))
TB_SET_HEAD (TYPE_SIZE_UNIT (head));
else
TB_WF;
break;
case TB_SIZE:
if (head && DECL_P (head))
TB_SET_HEAD (DECL_SIZE (head));
else if (head && TYPE_P (head))
TB_SET_HEAD (TYPE_SIZE (head));
else
TB_WF;
break;
case TB_TYPE:
if (head && TREE_TYPE (head))
TB_SET_HEAD (TREE_TYPE (head));
else
TB_WF;
break;
case TB_DECL_SAVED_TREE:
if (head && TREE_CODE (head) == FUNCTION_DECL
&& DECL_SAVED_TREE (head))
TB_SET_HEAD (DECL_SAVED_TREE (head));
else
TB_WF;
break;
case TB_BODY:
if (head && TREE_CODE (head) == BIND_EXPR)
TB_SET_HEAD (TREE_OPERAND (head, 1));
else
TB_WF;
break;
case TB_CHILD_0:
if (head && EXPR_P (head) && TREE_OPERAND (head, 0))
TB_SET_HEAD (TREE_OPERAND (head, 0));
else
TB_WF;
break;
case TB_CHILD_1:
if (head && EXPR_P (head) && TREE_OPERAND (head, 1))
TB_SET_HEAD (TREE_OPERAND (head, 1));
else
TB_WF;
break;
case TB_CHILD_2:
if (head && EXPR_P (head) && TREE_OPERAND (head, 2))
TB_SET_HEAD (TREE_OPERAND (head, 2));
else
TB_WF;
break;
case TB_CHILD_3:
if (head && EXPR_P (head) && TREE_OPERAND (head, 3))
TB_SET_HEAD (TREE_OPERAND (head, 3));
else
TB_WF;
break;
case TB_PRINT:
if (head)
debug_tree (head);
else
TB_WF;
break;
case TB_PRETTY_PRINT:
if (head)
{
print_generic_stmt (TB_OUT_FILE, head, 0);
fprintf (TB_OUT_FILE, "\n");
}
else
TB_WF;
break;
case TB_SEARCH_NAME:
break;
case TB_SEARCH_CODE:
{
enum tree_code code;
char *arg_text;
arg_text = strchr (input, ' ');
if (arg_text == NULL)
{
fprintf (TB_OUT_FILE, "First argument is missing. This isn't a valid search command. \n");
break;
}
code = TB_get_tree_code (arg_text + 1);
/* Search in the subtree a node with the given code. */
{
tree res;
res = walk_tree (&head, find_node_with_code, &code, NULL);
if (res == NULL_TREE)
{
fprintf (TB_OUT_FILE, "There's no node with this code (reachable via the walk_tree function from this node).\n");
}
else
{
fprintf (TB_OUT_FILE, "Achoo! I got this node in the tree.\n");
TB_SET_HEAD (res);
}
}
break;
}
#define TB_MOVE_HEAD(FCT) do { \
if (head) \
{ \
tree t; \
t = FCT (head); \
if (t) \
TB_SET_HEAD (t); \
else \
TB_WF; \
} \
else \
TB_WF; \
} while (0)
case TB_FIRST:
TB_MOVE_HEAD (TB_first_in_bind);
break;
case TB_LAST:
TB_MOVE_HEAD (TB_last_in_bind);
break;
case TB_UP:
TB_MOVE_HEAD (TB_up_expr);
break;
case TB_PREV:
TB_MOVE_HEAD (TB_prev_expr);
break;
case TB_NEXT:
TB_MOVE_HEAD (TB_next_expr);
break;
case TB_HPREV:
/* This command is a little bit special, since it deals with history
stack. For this reason it should keep the "head = ..." statement
and not use TB_MOVE_HEAD. */
if (head)
{
tree t;
t = TB_history_prev ();
if (t)
{
head = t;
if (TB_verbose)
{
print_generic_expr (TB_OUT_FILE, head, 0);
fprintf (TB_OUT_FILE, "\n");
}
}
else
TB_WF;
}
else
TB_WF;
break;
case TB_CHAIN:
/* Don't go further if it's the last node in this chain. */
if (head && TREE_CODE (head) == BLOCK)
TB_SET_HEAD (BLOCK_CHAIN (head));
else if (head && TREE_CHAIN (head))
TB_SET_HEAD (TREE_CHAIN (head));
else
TB_WF;
break;
case TB_FUN:
/* Go up to the current function declaration. */
TB_SET_HEAD (current_function_decl);
fprintf (TB_OUT_FILE, "Current function declaration.\n");
break;
case TB_HELP:
/* Display a help message. */
{
int i;
fprintf (TB_OUT_FILE, "Possible commands are:\n\n");
for (i = 0; i < TB_UNUSED_COMMAND; i++)
{
fprintf (TB_OUT_FILE, "%20s - %s\n", TB_COMMAND_TEXT (i), TB_COMMAND_HELP (i));
}
}
break;
case TB_VERBOSE:
if (TB_verbose == 0)
{
TB_verbose = 1;
fprintf (TB_OUT_FILE, "Verbose on.\n");
}
else
{
TB_verbose = 0;
fprintf (TB_OUT_FILE, "Verbose off.\n");
}
break;
case TB_EXIT:
case TB_QUIT:
/* Just exit from this function. */
goto ret;
default:
TB_NIY;
}
}
ret:;
delete TB_up_ht;
TB_up_ht = NULL;
return;
}
tree
ubsan_type_descriptor (tree type, enum ubsan_print_style pstyle)
{
/* See through any typedefs. */
type = TYPE_MAIN_VARIANT (type);
tree decl = decl_for_type_lookup (type);
/* It is possible that some of the earlier created DECLs were found
unused, in that case they weren't emitted and varpool_get_node
returns NULL node on them. But now we really need them. Thus,
renew them here. */
if (decl != NULL_TREE && varpool_get_node (decl))
return build_fold_addr_expr (decl);
tree dtype = ubsan_type_descriptor_type ();
tree type2 = type;
const char *tname = NULL;
char *pretty_name;
unsigned char deref_depth = 0;
unsigned short tkind, tinfo;
/* Get the name of the type, or the name of the pointer type. */
if (pstyle == UBSAN_PRINT_POINTER)
{
gcc_assert (POINTER_TYPE_P (type));
type2 = TREE_TYPE (type);
/* Remove any '*' operators from TYPE. */
while (POINTER_TYPE_P (type2))
deref_depth++, type2 = TREE_TYPE (type2);
if (TREE_CODE (type2) == METHOD_TYPE)
type2 = TYPE_METHOD_BASETYPE (type2);
}
/* If an array, get its type. */
type2 = strip_array_types (type2);
if (pstyle == UBSAN_PRINT_ARRAY)
{
while (POINTER_TYPE_P (type2))
deref_depth++, type2 = TREE_TYPE (type2);
}
if (TYPE_NAME (type2) != NULL)
{
if (TREE_CODE (TYPE_NAME (type2)) == IDENTIFIER_NODE)
tname = IDENTIFIER_POINTER (TYPE_NAME (type2));
else if (DECL_NAME (TYPE_NAME (type2)) != NULL)
tname = IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (type2)));
}
if (tname == NULL)
/* We weren't able to determine the type name. */
tname = "<unknown>";
/* Decorate the type name with '', '*', "struct", or "union". */
pretty_name = (char *) alloca (strlen (tname) + 16 + deref_depth);
if (pstyle == UBSAN_PRINT_POINTER)
{
int pos = sprintf (pretty_name, "'%s%s%s%s%s%s%s",
TYPE_VOLATILE (type2) ? "volatile " : "",
TYPE_READONLY (type2) ? "const " : "",
TYPE_RESTRICT (type2) ? "restrict " : "",
TYPE_ATOMIC (type2) ? "_Atomic " : "",
TREE_CODE (type2) == RECORD_TYPE
? "struct "
: TREE_CODE (type2) == UNION_TYPE
? "union " : "", tname,
deref_depth == 0 ? "" : " ");
while (deref_depth-- > 0)
pretty_name[pos++] = '*';
pretty_name[pos++] = '\'';
pretty_name[pos] = '\0';
}
else if (pstyle == UBSAN_PRINT_ARRAY)
{
/* Pretty print the array dimensions. */
gcc_assert (TREE_CODE (type) == ARRAY_TYPE);
tree t = type;
int pos = sprintf (pretty_name, "'%s ", tname);
while (deref_depth-- > 0)
pretty_name[pos++] = '*';
while (TREE_CODE (t) == ARRAY_TYPE)
{
pretty_name[pos++] = '[';
tree dom = TYPE_DOMAIN (t);
if (dom && TREE_CODE (TYPE_MAX_VALUE (dom)) == INTEGER_CST)
pos += sprintf (&pretty_name[pos], HOST_WIDE_INT_PRINT_DEC,
tree_to_shwi (TYPE_MAX_VALUE (dom)) + 1);
else
/* ??? We can't determine the variable name; print VLA unspec. */
pretty_name[pos++] = '*';
pretty_name[pos++] = ']';
t = TREE_TYPE (t);
}
pretty_name[pos++] = '\'';
pretty_name[pos] = '\0';
/* Save the tree with stripped types. */
type = t;
}
else
sprintf (pretty_name, "'%s'", tname);
switch (TREE_CODE (type))
{
case BOOLEAN_TYPE:
case ENUMERAL_TYPE:
case INTEGER_TYPE:
tkind = 0x0000;
break;
case REAL_TYPE:
/* FIXME: libubsan right now only supports float, double and
long double type formats. */
if (TYPE_MODE (type) == TYPE_MODE (float_type_node)
|| TYPE_MODE (type) == TYPE_MODE (double_type_node)
|| TYPE_MODE (type) == TYPE_MODE (long_double_type_node))
tkind = 0x0001;
else
tkind = 0xffff;
break;
default:
tkind = 0xffff;
break;
}
tinfo = get_ubsan_type_info_for_type (type);
/* Create a new VAR_DECL of type descriptor. */
char tmp_name[32];
static unsigned int type_var_id_num;
ASM_GENERATE_INTERNAL_LABEL (tmp_name, "Lubsan_type", type_var_id_num++);
decl = build_decl (UNKNOWN_LOCATION, VAR_DECL, get_identifier (tmp_name),
dtype);
TREE_STATIC (decl) = 1;
TREE_PUBLIC (decl) = 0;
DECL_ARTIFICIAL (decl) = 1;
DECL_IGNORED_P (decl) = 1;
DECL_EXTERNAL (decl) = 0;
size_t len = strlen (pretty_name);
tree str = build_string (len + 1, pretty_name);
TREE_TYPE (str) = build_array_type (char_type_node,
build_index_type (size_int (len)));
TREE_READONLY (str) = 1;
TREE_STATIC (str) = 1;
tree ctor = build_constructor_va (dtype, 3, NULL_TREE,
build_int_cst (short_unsigned_type_node,
tkind), NULL_TREE,
build_int_cst (short_unsigned_type_node,
tinfo), NULL_TREE, str);
TREE_CONSTANT (ctor) = 1;
TREE_STATIC (ctor) = 1;
DECL_INITIAL (decl) = ctor;
varpool_finalize_decl (decl);
/* Save the VAR_DECL into the hash table. */
decl_for_type_insert (type, decl);
return build_fold_addr_expr (decl);
}
static int
warn_type_compatibility_p (tree prevailing_type, tree type,
bool common_or_extern)
{
int lev = 0;
bool odr_p = odr_or_derived_type_p (prevailing_type)
&& odr_or_derived_type_p (type);
if (prevailing_type == type)
return 0;
/* C++ provide a robust way to check for type compatibility via the ODR
rule. */
if (odr_p && !odr_types_equivalent_p (prevailing_type, type))
lev |= 2;
/* Function types needs special care, because types_compatible_p never
thinks prototype is compatible to non-prototype. */
if (TREE_CODE (type) == FUNCTION_TYPE || TREE_CODE (type) == METHOD_TYPE)
{
if (TREE_CODE (type) != TREE_CODE (prevailing_type))
lev |= 1;
lev |= warn_type_compatibility_p (TREE_TYPE (prevailing_type),
TREE_TYPE (type), false);
if (TREE_CODE (type) == METHOD_TYPE
&& TREE_CODE (prevailing_type) == METHOD_TYPE)
lev |= warn_type_compatibility_p (TYPE_METHOD_BASETYPE (prevailing_type),
TYPE_METHOD_BASETYPE (type), false);
if (prototype_p (prevailing_type) && prototype_p (type)
&& TYPE_ARG_TYPES (prevailing_type) != TYPE_ARG_TYPES (type))
{
tree parm1, parm2;
for (parm1 = TYPE_ARG_TYPES (prevailing_type),
parm2 = TYPE_ARG_TYPES (type);
parm1 && parm2;
parm1 = TREE_CHAIN (parm1),
parm2 = TREE_CHAIN (parm2))
lev |= warn_type_compatibility_p (TREE_VALUE (parm1),
TREE_VALUE (parm2), false);
if (parm1 || parm2)
lev |= odr_p ? 3 : 1;
}
if (comp_type_attributes (prevailing_type, type) == 0)
lev |= 1;
return lev;
}
/* Get complete type. */
prevailing_type = TYPE_MAIN_VARIANT (prevailing_type);
type = TYPE_MAIN_VARIANT (type);
/* We can not use types_compatible_p because we permit some changes
across types. For example unsigned size_t and "signed size_t" may be
compatible when merging C and Fortran types. */
if (COMPLETE_TYPE_P (prevailing_type)
&& COMPLETE_TYPE_P (type)
/* While global declarations are never variadic, we can recurse here
for function parameter types. */
&& TREE_CODE (TYPE_SIZE (type)) == INTEGER_CST
&& TREE_CODE (TYPE_SIZE (prevailing_type)) == INTEGER_CST
&& !tree_int_cst_equal (TYPE_SIZE (type), TYPE_SIZE (prevailing_type)))
{
/* As a special case do not warn about merging
int a[];
and
int a[]={1,2,3};
here the first declaration is COMMON or EXTERN
and sizeof(a) == sizeof (int). */
if (!common_or_extern
|| TREE_CODE (type) != ARRAY_TYPE
|| TYPE_SIZE (type) != TYPE_SIZE (TREE_TYPE (type)))
lev |= 1;
}
/* Verify TBAA compatibility. Take care of alias set 0 and the fact that
we make ptr_type_node to TBAA compatible with every other type. */
if (type_with_alias_set_p (type) && type_with_alias_set_p (prevailing_type))
{
alias_set_type set1 = get_alias_set (type);
alias_set_type set2 = get_alias_set (prevailing_type);
if (set1 && set2 && set1 != set2
&& (!POINTER_TYPE_P (type) || !POINTER_TYPE_P (prevailing_type)
|| (set1 != TYPE_ALIAS_SET (ptr_type_node)
&& set2 != TYPE_ALIAS_SET (ptr_type_node))))
lev |= 5;
}
return lev;
}
tree
ubsan_type_descriptor (tree type, bool want_pointer_type_p)
{
/* See through any typedefs. */
type = TYPE_MAIN_VARIANT (type);
tree decl = decl_for_type_lookup (type);
/* It is possible that some of the earlier created DECLs were found
unused, in that case they weren't emitted and varpool_get_node
returns NULL node on them. But now we really need them. Thus,
renew them here. */
if (decl != NULL_TREE && varpool_get_node (decl))
return build_fold_addr_expr (decl);
tree dtype = ubsan_type_descriptor_type ();
tree type2 = type;
const char *tname = NULL;
char *pretty_name;
unsigned char deref_depth = 0;
unsigned short tkind, tinfo;
/* Get the name of the type, or the name of the pointer type. */
if (want_pointer_type_p)
{
gcc_assert (POINTER_TYPE_P (type));
type2 = TREE_TYPE (type);
/* Remove any '*' operators from TYPE. */
while (POINTER_TYPE_P (type2))
deref_depth++, type2 = TREE_TYPE (type2);
if (TREE_CODE (type2) == METHOD_TYPE)
type2 = TYPE_METHOD_BASETYPE (type2);
}
if (TYPE_NAME (type2) != NULL)
{
if (TREE_CODE (TYPE_NAME (type2)) == IDENTIFIER_NODE)
tname = IDENTIFIER_POINTER (TYPE_NAME (type2));
else
tname = IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (type2)));
}
if (tname == NULL)
/* We weren't able to determine the type name. */
tname = "<unknown>";
/* Decorate the type name with '', '*', "struct", or "union". */
pretty_name = (char *) alloca (strlen (tname) + 16 + deref_depth);
if (want_pointer_type_p)
{
int pos = sprintf (pretty_name, "'%s%s%s%s%s%s%s",
TYPE_VOLATILE (type2) ? "volatile " : "",
TYPE_READONLY (type2) ? "const " : "",
TYPE_RESTRICT (type2) ? "restrict " : "",
TYPE_ATOMIC (type2) ? "_Atomic " : "",
TREE_CODE (type2) == RECORD_TYPE
? "struct "
: TREE_CODE (type2) == UNION_TYPE
? "union " : "", tname,
deref_depth == 0 ? "" : " ");
while (deref_depth-- > 0)
pretty_name[pos++] = '*';
pretty_name[pos++] = '\'';
pretty_name[pos] = '\0';
}
else
sprintf (pretty_name, "'%s'", tname);
switch (TREE_CODE (type))
{
case INTEGER_TYPE:
tkind = 0x0000;
break;
case REAL_TYPE:
tkind = 0x0001;
break;
default:
tkind = 0xffff;
break;
}
tinfo = get_ubsan_type_info_for_type (type);
/* Create a new VAR_DECL of type descriptor. */
char tmp_name[32];
static unsigned int type_var_id_num;
ASM_GENERATE_INTERNAL_LABEL (tmp_name, "Lubsan_type", type_var_id_num++);
decl = build_decl (UNKNOWN_LOCATION, VAR_DECL, get_identifier (tmp_name),
dtype);
TREE_STATIC (decl) = 1;
TREE_PUBLIC (decl) = 0;
DECL_ARTIFICIAL (decl) = 1;
DECL_IGNORED_P (decl) = 1;
DECL_EXTERNAL (decl) = 0;
size_t len = strlen (pretty_name);
tree str = build_string (len + 1, pretty_name);
TREE_TYPE (str) = build_array_type (char_type_node,
build_index_type (size_int (len)));
TREE_READONLY (str) = 1;
TREE_STATIC (str) = 1;
tree ctor = build_constructor_va (dtype, 3, NULL_TREE,
build_int_cst (short_unsigned_type_node,
tkind), NULL_TREE,
build_int_cst (short_unsigned_type_node,
tinfo), NULL_TREE, str);
TREE_CONSTANT (ctor) = 1;
TREE_STATIC (ctor) = 1;
DECL_INITIAL (decl) = ctor;
rest_of_decl_compilation (decl, 1, 0);
/* Save the VAR_DECL into the hash table. */
decl_for_type_insert (type, decl);
return build_fold_addr_expr (decl);
}
