--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/fortran/trans-types.h	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,107 @@
+/* Header for Fortran 95 types backend support.
+   Copyright (C) 2002-2017 Free Software Foundation, Inc.
+   Contributed by Paul Brook <paul@nowt.org>
+   and Steven Bosscher <s.bosscher@student.tudelft.nl>
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+
+#ifndef GFC_BACKEND_H
+#define GFC_BACKEND_H
+
+extern GTY(()) tree gfc_array_index_type;
+extern GTY(()) tree gfc_array_range_type;
+extern GTY(()) tree gfc_character1_type_node;
+extern GTY(()) tree ppvoid_type_node;
+extern GTY(()) tree pvoid_type_node;
+extern GTY(()) tree prvoid_type_node;
+extern GTY(()) tree pchar_type_node;
+extern GTY(()) tree gfc_float128_type_node;
+extern GTY(()) tree gfc_complex_float128_type_node;
+
+/* This is the type used to hold the lengths of character variables.
+   It must be the same as the corresponding definition in gfortran.h.  */
+/* TODO: This is still hardcoded as kind=4 in some bits of the compiler
+   and runtime library.  */
+extern GTY(()) tree gfc_charlen_type_node;
+
+/* The following flags give us information on the correspondence of
+   real (and complex) kinds with C floating-point types long double
+   and __float128.  */
+extern bool gfc_real16_is_float128;
+
+enum gfc_packed {
+  PACKED_NO = 0,
+  PACKED_PARTIAL,
+  PACKED_FULL,
+  PACKED_STATIC
+};
+
+/* be-function.c */
+void gfc_convert_function_code (gfc_namespace *);
+
+/* trans-types.c */
+void gfc_init_kinds (void);
+void gfc_init_types (void);
+void gfc_init_c_interop_kinds (void);
+
+tree gfc_get_int_type (int);
+tree gfc_get_real_type (int);
+tree gfc_get_complex_type (int);
+tree gfc_get_logical_type (int);
+tree gfc_get_char_type (int);
+tree gfc_get_pchar_type (int);
+tree gfc_get_character_type (int, gfc_charlen *);
+tree gfc_get_character_type_len (int, tree);
+tree gfc_get_character_type_len_for_eltype (tree, tree);
+
+tree gfc_sym_type (gfc_symbol *);
+tree gfc_typenode_for_spec (gfc_typespec *, int c = 0);
+int gfc_copy_dt_decls_ifequal (gfc_symbol *, gfc_symbol *, bool);
+
+tree gfc_get_function_type (gfc_symbol *);
+
+tree gfc_type_for_size (unsigned, int);
+tree gfc_type_for_mode (machine_mode, int);
+tree gfc_build_uint_type (int);
+
+tree gfc_get_element_type (tree);
+tree gfc_get_array_type_bounds (tree, int, int, tree *, tree *, int,
+				enum gfc_array_kind, bool);
+tree gfc_get_nodesc_array_type (tree, gfc_array_spec *, gfc_packed, bool);
+
+/* Add a field of given name and type to a UNION_TYPE or RECORD_TYPE.  */
+tree gfc_add_field_to_struct (tree, tree, tree, tree **);
+
+/* Layout and output debugging info for a type.  */
+void gfc_finish_type (tree);
+
+/* Some functions have an extra parameter for the return value.  */
+int gfc_return_by_reference (gfc_symbol *);
+
+/* Returns true if the array sym does not require a descriptor.  */
+int gfc_is_nodesc_array (gfc_symbol *);
+
+/* Return the DTYPE for an array.  */
+tree gfc_get_dtype_rank_type (int, tree);
+tree gfc_get_dtype (tree);
+
+tree gfc_get_ppc_type (gfc_component *);
+tree gfc_get_caf_vector_type (int dim);
+tree gfc_get_caf_reference_type ();
+
+#endif