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/* Generate from machine description:

   a series of #define statements, one for each constant named in

   a (define_constants ...) pattern.

   Copyright (C) 1987, 1991, 1995, 1998, 1999, 2000, 2001, 2003, 2004

   Free Software Foundation, Inc.

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 2, 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 COPYING.  If not, write to

the Free Software Foundation, 51 Franklin Street, Fifth Floor,

Boston, MA 02110-1301, USA.  */

/* This program does not use gensupport.c because it does not need to

   look at insn patterns, only (define_constants), and we want to

   minimize dependencies.  */

#include "bconfig.h"

#include "system.h"

#include "coretypes.h"

#include "tm.h"

#include "rtl.h"

#include "errors.h"

#include "gensupport.h"

/* Called via traverse_md_constants; emit a #define for

   the current constant definition.  */

static int

print_md_constant (void **slot, void *info)

{

  struct md_constant *def = (struct md_constant *) *slot;

  FILE *file = (FILE *) info;

  fprintf (file, "#define %s %s\n", def->name, def->value);

  return 1;

}

int

main (int argc, char **argv)

{

  progname = "genconstants";

  if (init_md_reader_args (argc, argv) != SUCCESS_EXIT_CODE)

    return (FATAL_EXIT_CODE);

  /* Initializing the MD reader has the side effect of loading up

     the constants table that we wish to scan.  */

  puts ("/* Generated automatically by the program `genconstants'");

  puts ("   from the machine description file `md'.  */\n");

  puts ("#ifndef GCC_INSN_CONSTANTS_H");

  puts ("#define GCC_INSN_CONSTANTS_H\n");

  traverse_md_constants (print_md_constant, stdout);

  puts ("\n#endif /* GCC_INSN_CONSTANTS_H */");

  if (ferror (stdout) || fflush (stdout) || fclose (stdout))

    return FATAL_EXIT_CODE;

  return SUCCESS_EXIT_CODE;

}