1 /* Generate from machine description:
2 a series of #define statements, one for each constant named in
3 a (define_constants ...) pattern.
5 Copyright (C) 1987, 1991, 1995, 1998, 1999, 2000, 2001, 2003, 2004,
6 2007 Free Software Foundation, Inc.
8 This file is part of GCC.
10 GCC is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3, or (at your option)
15 GCC is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with GCC; see the file COPYING3. If not see
22 <http://www.gnu.org/licenses/>. */
24 /* This program does not use gensupport.c because it does not need to
25 look at insn patterns, only (define_constants), and we want to
26 minimize dependencies. */
30 #include "coretypes.h"
35 #include "gensupport.h"
37 /* Called via traverse_md_constants; emit a #define for
38 the current constant definition. */
41 print_md_constant (void **slot
, void *info
)
43 struct md_constant
*def
= (struct md_constant
*) *slot
;
44 FILE *file
= (FILE *) info
;
46 fprintf (file
, "#define %s %s\n", def
->name
, def
->value
);
51 main (int argc
, char **argv
)
53 progname
= "genconstants";
55 if (!init_rtx_reader_args (argc
, argv
))
56 return (FATAL_EXIT_CODE
);
58 /* Initializing the MD reader has the side effect of loading up
59 the constants table that we wish to scan. */
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");
66 traverse_md_constants (print_md_constant
, stdout
);
68 puts ("\n#endif /* GCC_INSN_CONSTANTS_H */");
70 if (ferror (stdout
) || fflush (stdout
) || fclose (stdout
))
71 return FATAL_EXIT_CODE
;
73 return SUCCESS_EXIT_CODE
;