--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/ggc-internal.h	Sun Aug 21 07:07:55 2011 +0900
@@ -0,0 +1,121 @@
+/* Garbage collection for the GNU compiler.  Internal definitions
+   for ggc-*.c and stringpool.c.
+
+   Copyright (C) 2009, 2010 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_GGC_INTERNAL_H
+#define GCC_GGC_INTERNAL_H
+
+#include "ggc.h"
+
+/* Call ggc_set_mark on all the roots.  */
+extern void ggc_mark_roots (void);
+
+/* Stringpool.  */
+
+/* Mark the entries in the string pool.  */
+extern void ggc_mark_stringpool	(void);
+
+/* Purge the entries in the string pool.  */
+extern void ggc_purge_stringpool (void);
+
+/* Save and restore the string pool entries for PCH.  */
+
+extern void gt_pch_save_stringpool (void);
+extern void gt_pch_fixup_stringpool (void);
+extern void gt_pch_restore_stringpool (void);
+
+/* PCH and GGC handling for strings, mostly trivial.  */
+extern void gt_pch_p_S (void *, void *, gt_pointer_operator, void *);
+
+/* PCH.  */
+
+struct ggc_pch_data;
+
+/* Return a new ggc_pch_data structure.  */
+extern struct ggc_pch_data *init_ggc_pch (void);
+
+/* The second parameter and third parameters give the address and size
+   of an object.  Update the ggc_pch_data structure with as much of
+   that information as is necessary. The bool argument should be true
+   if the object is a string.  */
+extern void ggc_pch_count_object (struct ggc_pch_data *, void *, size_t, bool,
+				  enum gt_types_enum);
+
+/* Return the total size of the data to be written to hold all
+   the objects previously passed to ggc_pch_count_object.  */
+extern size_t ggc_pch_total_size (struct ggc_pch_data *);
+
+/* The objects, when read, will most likely be at the address
+   in the second parameter.  */
+extern void ggc_pch_this_base (struct ggc_pch_data *, void *);
+
+/* Assuming that the objects really do end up at the address
+   passed to ggc_pch_this_base, return the address of this object.
+   The bool argument should be true if the object is a string.  */
+extern char *ggc_pch_alloc_object (struct ggc_pch_data *, void *, size_t, bool,
+				   enum gt_types_enum);
+
+/* Write out any initial information required.  */
+extern void ggc_pch_prepare_write (struct ggc_pch_data *, FILE *);
+
+/* Write out this object, including any padding.  The last argument should be
+   true if the object is a string.  */
+extern void ggc_pch_write_object (struct ggc_pch_data *, FILE *, void *,
+				  void *, size_t, bool);
+
+/* All objects have been written, write out any final information
+   required.  */
+extern void ggc_pch_finish (struct ggc_pch_data *, FILE *);
+
+/* A PCH file has just been read in at the address specified second
+   parameter.  Set up the GC implementation for the new objects.  */
+extern void ggc_pch_read (FILE *, void *);
+
+
+/* Allocation and collection.  */
+
+/* When set, ggc_collect will do collection.  */
+extern bool ggc_force_collect;
+
+extern void ggc_record_overhead (size_t, size_t, void * MEM_STAT_DECL);
+
+extern void ggc_free_overhead (void *);
+
+extern void ggc_prune_overhead_list (void);
+
+/* Return the number of bytes allocated at the indicated address.  */
+extern size_t ggc_get_size (const void *);
+
+
+/* Statistics.  */
+
+/* This structure contains the statistics common to all collectors.
+   Particular collectors can extend this structure.  */
+typedef struct ggc_statistics
+{
+  /* At present, we don't really gather any interesting statistics.  */
+  int unused;
+} ggc_statistics;
+
+/* Used by the various collectors to gather and print statistics that
+   do not depend on the collector in use.  */
+extern void ggc_print_common_statistics (FILE *, ggc_statistics *);
+
+#endif