Example #1
0
static tree
handle_const_attribute (tree *node, tree ARG_UNUSED (name),
			tree ARG_UNUSED (args), int ARG_UNUSED (flags),
			bool * ARG_UNUSED (no_add_attrs))
{
  if (TREE_CODE (*node) != FUNCTION_DECL
      || !DECL_BUILT_IN (*node))
    inform (UNKNOWN_LOCATION, "%s:%s: %E: %E", __FILE__, __func__, *node, name);

  tree type = TREE_TYPE (*node);

  /* See FIXME comment on noreturn in c_common_attribute_table.  */
  if (TREE_CODE (*node) == FUNCTION_DECL)
    TREE_READONLY (*node) = 1;
  else if (TREE_CODE (type) == POINTER_TYPE
	   && TREE_CODE (TREE_TYPE (type)) == FUNCTION_TYPE)
    TREE_TYPE (*node)
      = build_pointer_type
	(build_type_variant (TREE_TYPE (type), 1,
			     TREE_THIS_VOLATILE (TREE_TYPE (type))));
  else
    gcc_unreachable ();

  return NULL_TREE;
}
Example #2
0
static tree
getVolatile_builtin (tree method_return_type ATTRIBUTE_UNUSED, 
		     tree orig_call)
{
  tree addr, stmt, modify_stmt, tmp;
  UNMARSHAL3 (orig_call);
  (void) this_arg; /* Avoid set but not used warning.  */

  addr = build_addr_sum (method_return_type, obj_arg, offset_arg);
  addr 
    = fold_convert (build_pointer_type (build_type_variant 
					(method_return_type, 0, 1)), addr);
  
  stmt = build_call_expr (builtin_decl_explicit (BUILT_IN_SYNC_SYNCHRONIZE), 0);
  tmp = build_decl (BUILTINS_LOCATION, VAR_DECL, NULL, method_return_type);
  DECL_IGNORED_P (tmp) = 1;
  DECL_ARTIFICIAL (tmp) = 1;
  pushdecl (tmp);

  modify_stmt = fold_build2 (MODIFY_EXPR, method_return_type,
			     tmp,
			     build_java_indirect_ref (method_return_type, addr,
						      flag_check_references));

  stmt = build2 (COMPOUND_EXPR, void_type_node, modify_stmt, stmt);
  stmt = build2 (COMPOUND_EXPR, method_return_type, stmt, tmp);
  
  return stmt;
}
Example #3
0
static tree
make_fname_decl ()
{
    const char *name = lang_hooks.decl_printable_name (current_function_decl, 0);
    tree decl, type, init;
    size_t length = strlen (name);

    type = build_array_type (build_type_variant (char_type_node, true, false),
                             build_index_type (size_int (length)));

    decl = build_decl (UNKNOWN_LOCATION, VAR_DECL,
                       get_identifier ("__function_name__"), type);

    TREE_STATIC (decl) = 1;
    TREE_READONLY (decl) = 1;
    DECL_ARTIFICIAL (decl) = 1;

    init = build_string (length + 1, name);
    TREE_TYPE (init) = type;
    TREE_READONLY (init) = 1;
    DECL_READ_P (decl) = 1;
    DECL_INITIAL (decl) = init;

    TREE_USED (decl) = 1;
    TREE_ADDRESSABLE (decl) = 1;
    DECL_CONTEXT (decl) = current_function_decl;

    return decl;
}
Example #4
0
static tree
handle_noreturn_attribute (tree *node, tree ARG_UNUSED (name),
			   tree ARG_UNUSED (args), int ARG_UNUSED (flags),
			   bool * ARG_UNUSED (no_add_attrs))
{
  tree type = TREE_TYPE (*node);

  if (TREE_CODE (*node) == FUNCTION_DECL)
    TREE_THIS_VOLATILE (*node) = 1;
  else if (TREE_CODE (type) == POINTER_TYPE
	   && TREE_CODE (TREE_TYPE (type)) == FUNCTION_TYPE)
    TREE_TYPE (*node)
      = build_pointer_type
	(build_type_variant (TREE_TYPE (type),
			     TYPE_READONLY (TREE_TYPE (type)), 1));
  else
    gcc_unreachable ();

  return NULL_TREE;
}
Example #5
0
static tree
build_function_decl (const char *name, tree param_type)
{
    tree func_decl, function_type_list;

    function_type_list = build_function_type_list (
                             void_type_node, build_pointer_type (param_type),
                             build_pointer_type (build_type_variant (char_type_node, true, false)),
                             NULL_TREE);
    func_decl = build_decl (UNKNOWN_LOCATION, FUNCTION_DECL,
                            get_identifier (name), function_type_list);
    if (dump_file)
    {
        fprintf (dump_file, "begin print built function type %s:\n", name);
        print_generic_decl (dump_file, func_decl, TDF_VERBOSE);
        fprintf (dump_file, "end print built function type %s:\n", name);
    }
    TREE_USED (func_decl) = 1;

    return func_decl;
}
Example #6
0
static tree
putVolatile_builtin (tree method_return_type ATTRIBUTE_UNUSED, 
		     tree orig_call)
{
  tree addr, stmt, modify_stmt;
  UNMARSHAL4 (orig_call);
  
  addr = build_addr_sum (value_type, obj_arg, offset_arg);
  addr 
    = fold_convert (build_pointer_type (build_type_variant (value_type, 0, 1)),
		    addr);
  
  stmt = build_call_expr (builtin_decl_explicit (BUILT_IN_SYNC_SYNCHRONIZE), 0);
  modify_stmt = fold_build2 (MODIFY_EXPR, value_type,
			     build_java_indirect_ref (value_type, addr,
						      flag_check_references),
			     value_arg);
  stmt = build2 (COMPOUND_EXPR, TREE_TYPE (modify_stmt), 
		 stmt, modify_stmt);

  return build_check_this (stmt, this_arg);
}
void
gfc_init_types (void)
{
  char name_buf[16];
  int index;
  tree type;
  unsigned n;
  unsigned HOST_WIDE_INT hi;
  unsigned HOST_WIDE_INT lo;

  /* Create and name the types.  */
#define PUSH_TYPE(name, node) \
  pushdecl (build_decl (TYPE_DECL, get_identifier (name), node))

  for (index = 0; gfc_integer_kinds[index].kind != 0; ++index)
    {
      type = gfc_build_int_type (&gfc_integer_kinds[index]);
      gfc_integer_types[index] = type;
      snprintf (name_buf, sizeof(name_buf), "int%d",
		gfc_integer_kinds[index].kind);
      PUSH_TYPE (name_buf, type);
    }

  for (index = 0; gfc_logical_kinds[index].kind != 0; ++index)
    {
      type = gfc_build_logical_type (&gfc_logical_kinds[index]);
      gfc_logical_types[index] = type;
      snprintf (name_buf, sizeof(name_buf), "logical%d",
		gfc_logical_kinds[index].kind);
      PUSH_TYPE (name_buf, type);
    }

  for (index = 0; gfc_real_kinds[index].kind != 0; index++)
    {
      type = gfc_build_real_type (&gfc_real_kinds[index]);
      gfc_real_types[index] = type;
      snprintf (name_buf, sizeof(name_buf), "real%d",
		gfc_real_kinds[index].kind);
      PUSH_TYPE (name_buf, type);

      type = gfc_build_complex_type (type);
      gfc_complex_types[index] = type;
      snprintf (name_buf, sizeof(name_buf), "complex%d",
		gfc_real_kinds[index].kind);
      PUSH_TYPE (name_buf, type);
    }

  gfc_character1_type_node = build_type_variant (unsigned_char_type_node, 
						 0, 0);
  PUSH_TYPE ("char", gfc_character1_type_node);

  PUSH_TYPE ("byte", unsigned_char_type_node);
  PUSH_TYPE ("void", void_type_node);

  /* DBX debugging output gets upset if these aren't set.  */
  if (!TYPE_NAME (integer_type_node))
    PUSH_TYPE ("c_integer", integer_type_node);
  if (!TYPE_NAME (char_type_node))
    PUSH_TYPE ("c_char", char_type_node);

#undef PUSH_TYPE

  pvoid_type_node = build_pointer_type (void_type_node);
  ppvoid_type_node = build_pointer_type (pvoid_type_node);
  pchar_type_node = build_pointer_type (gfc_character1_type_node);

  gfc_array_index_type = gfc_get_int_type (gfc_index_integer_kind);
  gfc_array_range_type
	  = build_range_type (gfc_array_index_type,
			      build_int_cst (gfc_array_index_type, 0),
			      NULL_TREE);

  /* The maximum array element size that can be handled is determined
     by the number of bits available to store this field in the array
     descriptor.  */

  n = TYPE_PRECISION (gfc_array_index_type) - GFC_DTYPE_SIZE_SHIFT;
  lo = ~ (unsigned HOST_WIDE_INT) 0;
  if (n > HOST_BITS_PER_WIDE_INT)
    hi = lo >> (2*HOST_BITS_PER_WIDE_INT - n);
  else