--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/lto-compress.h	Fri Feb 12 23:39:51 2010 +0900
@@ -0,0 +1,42 @@
+/* LTO IL compression streams.
+
+   Copyright 2009 Free Software Foundation, Inc.
+   Contributed by Simon Baldwin <simonb@google.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_LTO_COMPRESS_H
+#define GCC_LTO_COMPRESS_H
+
+struct lto_compression_stream;
+
+/* In lto-compress.c.  */
+extern struct lto_compression_stream
+  *lto_start_compression (void (*callback) (const char *, unsigned, void *),
+			  void *opaque);
+extern void lto_compress_block (struct lto_compression_stream *stream,
+				const char *base, size_t num_chars);
+extern void lto_end_compression (struct lto_compression_stream *stream);
+
+extern struct lto_compression_stream
+  *lto_start_uncompression (void (*callback) (const char *, unsigned, void *),
+			    void *opaque);
+extern void lto_uncompress_block (struct lto_compression_stream *stream,
+				  const char *base, size_t num_chars);
+extern void lto_end_uncompression (struct lto_compression_stream *stream);
+
+#endif /* GCC_LTO_COMPRESS_H  */