--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/tree-dump.h	Fri Jul 17 14:47:48 2009 +0900
@@ -0,0 +1,101 @@
+/* Tree-dumping functionality for intermediate representation.
+   Copyright (C) 1999, 2000, 2003, 2004, 2005, 2007, 2008
+   Free Software Foundation, Inc.
+   Written by Mark Mitchell <mark@codesourcery.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_TREE_DUMP_H
+#define GCC_TREE_DUMP_H
+
+#include "splay-tree.h"
+#include "tree-pass.h"
+
+typedef struct dump_info *dump_info_p;
+
+/* Flags used with queue functions.  */
+#define DUMP_NONE     0
+#define DUMP_BINFO    1
+
+/* Information about a node to be dumped.  */
+
+typedef struct dump_node_info
+{
+  /* The index for the node.  */
+  unsigned int index;
+  /* Nonzero if the node is a binfo.  */
+  unsigned int binfo_p : 1;
+} *dump_node_info_p;
+
+/* A dump_queue is a link in the queue of things to be dumped.  */
+
+typedef struct dump_queue
+{
+  /* The queued tree node.  */
+  splay_tree_node node;
+  /* The next node in the queue.  */
+  struct dump_queue *next;
+} *dump_queue_p;
+
+/* A dump_info gives information about how we should perform the dump
+   and about the current state of the dump.  */
+
+struct dump_info
+{
+  /* The stream on which to dump the information.  */
+  FILE *stream;
+  /* The original node.  */
+  const_tree node;
+  /* User flags.  */
+  int flags;
+  /* The next unused node index.  */
+  unsigned int index;
+  /* The next column.  */
+  unsigned int column;
+  /* The first node in the queue of nodes to be written out.  */
+  dump_queue_p queue;
+  /* The last node in the queue.  */
+  dump_queue_p queue_end;
+  /* Free queue nodes.  */
+  dump_queue_p free_list;
+  /* The tree nodes which we have already written out.  The
+     keys are the addresses of the nodes; the values are the integer
+     indices we assigned them.  */
+  splay_tree nodes;
+};
+
+/* Dump the CHILD and its children.  */
+#define dump_child(field, child) \
+  queue_and_dump_index (di, field, child, DUMP_NONE)
+
+extern void dump_pointer (dump_info_p, const char *, void *);
+extern void dump_int (dump_info_p, const char *, int);
+extern void dump_string (dump_info_p, const char *);
+extern void dump_string_field (dump_info_p, const char *, const char *);
+extern void dump_stmt (dump_info_p, const_tree);
+extern void queue_and_dump_index (dump_info_p, const char *, const_tree, int);
+extern void queue_and_dump_type (dump_info_p, const_tree);
+extern void dump_function (enum tree_dump_index, tree);
+extern void dump_function_to_file (tree, FILE *, int);
+extern void debug_function (tree, int);
+extern int dump_flag (dump_info_p, int, const_tree);
+
+extern unsigned int dump_register (const char *, const char *, const char *, 
+				   int);
+
+
+#endif /* ! GCC_TREE_DUMP_H */