nant's projects / dragonfly.git / blame
| Commit | Line | Data |
|---|---|---|
| 003757ed MD |
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 | |
| 6 | 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 2, 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 COPYING. If not, write to | |
| 22 | the Free Software Foundation, 59 Temple Place - Suite 330, | |
| 23 | Boston, MA 02111-1307, 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 | static int print_md_constant (void **, void *); | |
| 38 | ||
| 39 | /* Called via traverse_md_constants; emit a #define for | |
| 40 | the current constant definition. */ | |
| 41 | ||
| 42 | static int | |
| 43 | print_md_constant (void **slot, void *info) | |
| 44 | { | |
| 45 | struct md_constant *def = *slot; | |
| 46 | FILE *file = info; | |
| 47 | ||
| 48 | fprintf (file, "#define %s %s\n", def->name, def->value); | |
| 49 | return 1; | |
| 50 | } | |
| 51 | ||
| 52 | int | |
| 53 | main (int argc, char **argv) | |
| 54 | { | |
| 55 | int dummy1, dummy2; | |
| 56 | rtx desc; | |
| 57 | ||
| 58 | progname = "genconstants"; | |
| 59 | ||
| 60 | if (argc <= 1) | |
| 61 | fatal ("no input file name"); | |
| 62 | ||
| 63 | if (init_md_reader (argv[1]) != SUCCESS_EXIT_CODE) | |
| 64 | return (FATAL_EXIT_CODE); | |
| 65 | ||
| 66 | /* Scan and discard the entire file. This has the side effect | |
| 67 | of loading up the constants table that we wish to scan. */ | |
| 68 | do | |
| 69 | desc = read_md_rtx (&dummy1, &dummy2); | |
| 70 | while (desc); | |
| 71 | ||
| 72 | puts ("/* Generated automatically by the program `genconstants'"); | |
| 73 | puts (" from the machine description file `md'. */\n"); | |
| 74 | puts ("#ifndef GCC_INSN_CONSTANTS_H"); | |
| 75 | puts ("#define GCC_INSN_CONSTANTS_H\n"); | |
| 76 | ||
| 77 | traverse_md_constants (print_md_constant, stdout); | |
| 78 | ||
| 79 | puts ("\n#endif /* GCC_INSN_CONSTANTS_H */"); | |
| 80 | ||
| 81 | if (ferror (stdout) || fflush (stdout) || fclose (stdout)) | |
| 82 | return FATAL_EXIT_CODE; | |
| 83 | ||
| 84 | return SUCCESS_EXIT_CODE; | |
| 85 | } | |
| 86 |