gcc/lto-compress.h

   1 /* LTO IL compression streams.
   2
   3    Copyright (C) 2009-2023 Free Software Foundation, Inc.
   4    Contributed by Simon Baldwin <simonb@google.com>
   5
   6 This file is part of GCC.
   7
   8 GCC is free software; you can redistribute it and/or modify it
   9 under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 3, or (at your option)
  11 any later version.
  12
  13 GCC is distributed in the hope that it will be useful, but WITHOUT
  14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  15 or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  16 License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GCC; see the file COPYING3.  If not see
  20 <http://www.gnu.org/licenses/>.  */
  21
  22 #ifndef GCC_LTO_COMPRESS_H
  23 #define GCC_LTO_COMPRESS_H
  24
  25 struct lto_compression_stream;
  26
  27 /* In lto-compress.cc.  */
  28 extern struct lto_compression_stream
  29   *lto_start_compression (void (*callback) (const char *, unsigned, void *),
  30                           void *opaque);
  31 extern void lto_compress_block (struct lto_compression_stream *stream,
  32                                 const char *base, size_t num_chars);
  33 extern void lto_end_compression (struct lto_compression_stream *stream);
  34
  35 extern struct lto_compression_stream
  36   *lto_start_uncompression (void (*callback) (const char *, unsigned, void *),
  37                             void *opaque);
  38 extern void lto_uncompress_block (struct lto_compression_stream *stream,
  39                                   const char *base, size_t num_chars);
  40 extern void lto_end_uncompression (struct lto_compression_stream *stream,
  41                                   lto_compression compression);
  42
  43 #endif /* GCC_LTO_COMPRESS_H  */