--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/hosthooks-def.h	Fri Jul 17 14:47:48 2009 +0900
@@ -0,0 +1,51 @@
+/* Default macros to initialize the lang_hooks data structure.
+   Copyright 2003, 2004, 2007 Free Software Foundation, Inc.
+
+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_HOST_HOOKS_DEF_H
+#define GCC_HOST_HOOKS_DEF_H
+
+#include "hooks.h"
+
+#define HOST_HOOKS_EXTRA_SIGNALS hook_void_void
+#if HAVE_MMAP_FILE
+#define HOST_HOOKS_GT_PCH_GET_ADDRESS mmap_gt_pch_get_address
+#define HOST_HOOKS_GT_PCH_USE_ADDRESS mmap_gt_pch_use_address
+#else
+#define HOST_HOOKS_GT_PCH_GET_ADDRESS default_gt_pch_get_address
+#define HOST_HOOKS_GT_PCH_USE_ADDRESS default_gt_pch_use_address
+#endif
+
+#define HOST_HOOKS_GT_PCH_ALLOC_GRANULARITY \
+  default_gt_pch_alloc_granularity
+
+extern void* default_gt_pch_get_address (size_t, int);
+extern int default_gt_pch_use_address (void *, size_t, int, size_t);
+extern size_t default_gt_pch_alloc_granularity (void);
+extern void* mmap_gt_pch_get_address (size_t, int);
+extern int mmap_gt_pch_use_address (void *, size_t, int, size_t);
+
+/* The structure is defined in hosthooks.h.  */
+#define HOST_HOOKS_INITIALIZER {		\
+  HOST_HOOKS_EXTRA_SIGNALS,			\
+  HOST_HOOKS_GT_PCH_GET_ADDRESS,		\
+  HOST_HOOKS_GT_PCH_USE_ADDRESS,		\
+  HOST_HOOKS_GT_PCH_ALLOC_GRANULARITY		\
+}
+
+#endif /* GCC_HOST_HOOKS_DEF_H */