--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/c-objc-common.h	Fri Jul 17 14:47:48 2009 +0900
@@ -0,0 +1,115 @@
+/* Language hooks common to C and ObjC front ends.
+   Copyright (C) 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
+   Contributed by Ziemowit Laski  <zlaski@apple.com>
+
+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 GCC_C_OBJC_COMMON
+#define GCC_C_OBJC_COMMON
+
+/* In c-objc-common.c.  */
+extern void c_initialize_diagnostics (diagnostic_context *);
+
+/* Lang hooks that are shared between C and ObjC are defined here.  Hooks
+   specific to C or ObjC go in c-lang.c and objc/objc-lang.c, respectively.  */
+
+#undef LANG_HOOKS_IDENTIFIER_SIZE
+#define LANG_HOOKS_IDENTIFIER_SIZE C_SIZEOF_STRUCT_LANG_IDENTIFIER
+#undef LANG_HOOKS_FINISH
+#define LANG_HOOKS_FINISH c_common_finish
+#undef LANG_HOOKS_INIT_OPTIONS
+#define LANG_HOOKS_INIT_OPTIONS c_common_init_options
+#undef LANG_HOOKS_INITIALIZE_DIAGNOSTICS
+#define LANG_HOOKS_INITIALIZE_DIAGNOSTICS c_initialize_diagnostics
+#undef LANG_HOOKS_HANDLE_OPTION
+#define LANG_HOOKS_HANDLE_OPTION c_common_handle_option
+#undef LANG_HOOKS_MISSING_ARGUMENT
+#define LANG_HOOKS_MISSING_ARGUMENT c_common_missing_argument
+#undef LANG_HOOKS_POST_OPTIONS
+#define LANG_HOOKS_POST_OPTIONS c_common_post_options
+#undef LANG_HOOKS_GET_ALIAS_SET
+#define LANG_HOOKS_GET_ALIAS_SET c_common_get_alias_set
+#undef LANG_HOOKS_EXPAND_EXPR
+#define LANG_HOOKS_EXPAND_EXPR c_expand_expr
+#undef LANG_HOOKS_MARK_ADDRESSABLE
+#define LANG_HOOKS_MARK_ADDRESSABLE c_mark_addressable
+#undef LANG_HOOKS_PARSE_FILE
+#define LANG_HOOKS_PARSE_FILE c_common_parse_file
+#undef LANG_HOOKS_FINISH_INCOMPLETE_DECL
+#define LANG_HOOKS_FINISH_INCOMPLETE_DECL c_finish_incomplete_decl
+#undef LANG_HOOKS_STATICP
+#define LANG_HOOKS_STATICP c_staticp
+#undef LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL
+#define LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL c_warn_unused_global_decl
+#undef LANG_HOOKS_PRINT_IDENTIFIER
+#define LANG_HOOKS_PRINT_IDENTIFIER c_print_identifier
+#undef LANG_HOOKS_TYPES_COMPATIBLE_P
+#define LANG_HOOKS_TYPES_COMPATIBLE_P c_types_compatible_p
+#undef LANG_HOOKS_MISSING_NORETURN_OK_P
+#define LANG_HOOKS_MISSING_NORETURN_OK_P c_missing_noreturn_ok_p
+#undef LANG_HOOKS_DUP_LANG_SPECIFIC_DECL
+#define LANG_HOOKS_DUP_LANG_SPECIFIC_DECL c_dup_lang_specific_decl
+#undef  LANG_HOOKS_BUILTIN_FUNCTION
+#define LANG_HOOKS_BUILTIN_FUNCTION c_builtin_function
+#undef  LANG_HOOKS_BUILTIN_FUNCTION_EXT_SCOPE
+#define LANG_HOOKS_BUILTIN_FUNCTION_EXT_SCOPE c_builtin_function_ext_scope
+
+/* Attribute hooks.  */
+#undef LANG_HOOKS_COMMON_ATTRIBUTE_TABLE
+#define LANG_HOOKS_COMMON_ATTRIBUTE_TABLE c_common_attribute_table
+#undef LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE
+#define LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE c_common_format_attribute_table
+
+#undef LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN
+#define LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN c_dump_tree
+
+#undef LANG_HOOKS_TYPE_FOR_MODE
+#define LANG_HOOKS_TYPE_FOR_MODE c_common_type_for_mode
+#undef LANG_HOOKS_TYPE_FOR_SIZE
+#define LANG_HOOKS_TYPE_FOR_SIZE c_common_type_for_size
+#undef LANG_HOOKS_INCOMPLETE_TYPE_ERROR
+#define LANG_HOOKS_INCOMPLETE_TYPE_ERROR c_incomplete_type_error
+#undef LANG_HOOKS_TYPE_PROMOTES_TO
+#define LANG_HOOKS_TYPE_PROMOTES_TO c_type_promotes_to
+#undef LANG_HOOKS_REGISTER_BUILTIN_TYPE
+#define LANG_HOOKS_REGISTER_BUILTIN_TYPE c_register_builtin_type
+#undef LANG_HOOKS_TO_TARGET_CHARSET
+#define LANG_HOOKS_TO_TARGET_CHARSET c_common_to_target_charset
+#undef LANG_HOOKS_EXPR_TO_DECL
+#define LANG_HOOKS_EXPR_TO_DECL c_expr_to_decl
+
+/* The C front end's scoping structure is very different from
+   that expected by the language-independent code; it is best
+   to disable getdecls.
+   This means it must also provide its own write_globals.  */
+
+#undef LANG_HOOKS_GETDECLS
+#define LANG_HOOKS_GETDECLS lhd_return_null_tree_v
+#undef LANG_HOOKS_WRITE_GLOBALS
+#define LANG_HOOKS_WRITE_GLOBALS c_write_global_declarations
+
+/* Hooks for tree gimplification.  */
+#undef LANG_HOOKS_GIMPLIFY_EXPR
+#define LANG_HOOKS_GIMPLIFY_EXPR c_gimplify_expr
+
+#undef LANG_HOOKS_OMP_PREDETERMINED_SHARING
+#define LANG_HOOKS_OMP_PREDETERMINED_SHARING c_omp_predetermined_sharing
+
+#undef LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P
+#define LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P c_vla_unspec_p
+
+#endif /* GCC_C_OBJC_COMMON */