mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-20 11:11:24 +00:00
90 lines
2.4 KiB
C
90 lines
2.4 KiB
C
/* 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 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 "hconfig.h"
|
|
#include "system.h"
|
|
#include "rtl.h"
|
|
#include "errors.h"
|
|
#include "gensupport.h"
|
|
|
|
static int print_md_constant PARAMS ((void **, void *));
|
|
extern int main PARAMS ((int, char **));
|
|
|
|
/* Called via traverse_md_constants; emit a #define for
|
|
the current constant definition. */
|
|
|
|
static int
|
|
print_md_constant (slot, info)
|
|
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 (argc, argv)
|
|
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;
|
|
}
|
|
|