1/* Generate from machine description:
2   a series of #define statements, one for each constant named in
3   a (define_constants ...) pattern.
4
5   Copyright (C) 1987, 1991, 1995, 1998, 1999, 2000, 2001, 2003, 2004
6   Free Software Foundation, Inc.
7
8This file is part of GCC.
9
10GCC is free software; you can redistribute it and/or modify
11it under the terms of the GNU General Public License as published by
12the Free Software Foundation; either version 2, or (at your option)
13any later version.
14
15GCC is distributed in the hope that it will be useful,
16but WITHOUT ANY WARRANTY; without even the implied warranty of
17MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18GNU General Public License for more details.
19
20You should have received a copy of the GNU General Public License
21along with GCC; see the file COPYING.  If not, write to
22the Free Software Foundation, 51 Franklin Street, Fifth Floor,
23Boston, MA 02110-1301, USA.  */
24
25/* This program does not use gensupport.c because it does not need to
26   look at insn patterns, only (define_constants), and we want to
27   minimize dependencies.  */
28
29#include "bconfig.h"
30#include "system.h"
31#include "coretypes.h"
32#include "tm.h"
33#include "rtl.h"
34#include "errors.h"
35#include "gensupport.h"
36
37/* Called via traverse_md_constants; emit a #define for
38   the current constant definition.  */
39
40static int
41print_md_constant (void **slot, void *info)
42{
43  struct md_constant *def = (struct md_constant *) *slot;
44  FILE *file = (FILE *) info;
45
46  fprintf (file, "#define %s %s\n", def->name, def->value);
47  return 1;
48}
49
50int
51main (int argc, char **argv)
52{
53  progname = "genconstants";
54
55  if (init_md_reader_args (argc, argv) != SUCCESS_EXIT_CODE)
56    return (FATAL_EXIT_CODE);
57
58  /* Initializing the MD reader has the side effect of loading up
59     the constants table that we wish to scan.  */
60
61  puts ("/* Generated automatically by the program `genconstants'");
62  puts ("   from the machine description file `md'.  */\n");
63  puts ("#ifndef GCC_INSN_CONSTANTS_H");
64  puts ("#define GCC_INSN_CONSTANTS_H\n");
65
66  traverse_md_constants (print_md_constant, stdout);
67
68  puts ("\n#endif /* GCC_INSN_CONSTANTS_H */");
69
70  if (ferror (stdout) || fflush (stdout) || fclose (stdout))
71    return FATAL_EXIT_CODE;
72
73  return SUCCESS_EXIT_CODE;
74}
75