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