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 2007 Free Software Foundation, Inc. 7 8 This file is part of GCC. 9 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) 13 any later version. 14 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. 19 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/>. */ 23 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. */ 27 28 #include "bconfig.h" 29 #include "system.h" 30 #include "coretypes.h" 31 #include "tm.h" 32 #include "rtl.h" 33 #include "errors.h" 34 #include "gensupport.h" 35 36 /* Called via traverse_md_constants; emit a #define for 37 the current constant definition. */ 38 39 static int 40 print_md_constant (void **slot, void *info) 41 { 42 struct md_constant *def = (struct md_constant *) *slot; 43 FILE *file = (FILE *) info; 44 45 fprintf (file, "#define %s %s\n", def->name, def->value); 46 return 1; 47 } 48 49 int 50 main (int argc, char **argv) 51 { 52 progname = "genconstants"; 53 54 if (init_md_reader_args (argc, argv) != SUCCESS_EXIT_CODE) 55 return (FATAL_EXIT_CODE); 56 57 /* Initializing the MD reader has the side effect of loading up 58 the constants table that we wish to scan. */ 59 60 puts ("/* Generated automatically by the program `genconstants'"); 61 puts (" from the machine description file `md'. */\n"); 62 puts ("#ifndef GCC_INSN_CONSTANTS_H"); 63 puts ("#define GCC_INSN_CONSTANTS_H\n"); 64 65 traverse_md_constants (print_md_constant, stdout); 66 67 puts ("\n#endif /* GCC_INSN_CONSTANTS_H */"); 68 69 if (ferror (stdout) || fflush (stdout) || fclose (stdout)) 70 return FATAL_EXIT_CODE; 71 72 return SUCCESS_EXIT_CODE; 73 } 74