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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
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, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, 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"
static int print_md_constant (void **, void *);
/* 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 = *slot;
FILE *file = info;
fprintf (file, "#define %s %s\n", def->name, def->value);
return 1;
}
int
main (int argc, char **argv)
{
int dummy1, dummy2;
rtx desc;
progname = "genconstants";
if (argc <= 1)
fatal ("no input file name");
if (init_md_reader (argv[1]) != SUCCESS_EXIT_CODE)
return (FATAL_EXIT_CODE);
/* Scan and discard the entire file. This has the side effect
of loading up the constants table that we wish to scan. */
do
desc = read_md_rtx (&dummy1, &dummy2);
while (desc);
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;
}
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