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1b0c37d7 ZW |
1 | /* Generate from machine description: |
2 | a series of #define statements, one for each constant named in | |
3 | a (define_constants ...) pattern. | |
4 | ||
9dcd6f09 | 5 | Copyright (C) 1987, 1991, 1995, 1998, 1999, 2000, 2001, 2003, 2004, |
d652f226 | 6 | 2007, 2010 Free Software Foundation, Inc. |
1b0c37d7 | 7 | |
40803cd5 | 8 | This file is part of GCC. |
1b0c37d7 | 9 | |
40803cd5 | 10 | GCC is free software; you can redistribute it and/or modify |
1b0c37d7 | 11 | it under the terms of the GNU General Public License as published by |
9dcd6f09 | 12 | the Free Software Foundation; either version 3, or (at your option) |
1b0c37d7 ZW |
13 | any later version. |
14 | ||
40803cd5 | 15 | GCC is distributed in the hope that it will be useful, |
1b0c37d7 ZW |
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 | |
9dcd6f09 NC |
21 | along with GCC; see the file COPYING3. If not see |
22 | <http://www.gnu.org/licenses/>. */ | |
1b0c37d7 ZW |
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 | ||
4977bab6 | 28 | #include "bconfig.h" |
1b0c37d7 | 29 | #include "system.h" |
4977bab6 | 30 | #include "coretypes.h" |
1b0c37d7 | 31 | #include "errors.h" |
9f418533 | 32 | #include "read-md.h" |
1b0c37d7 | 33 | |
1b0c37d7 ZW |
34 | /* Called via traverse_md_constants; emit a #define for |
35 | the current constant definition. */ | |
36 | ||
37 | static int | |
24609606 | 38 | print_md_constant (void **slot, void *info ATTRIBUTE_UNUSED) |
1b0c37d7 | 39 | { |
28dab132 | 40 | struct md_constant *def = (struct md_constant *) *slot; |
1b0c37d7 | 41 | |
24609606 RS |
42 | if (!def->parent_enum) |
43 | printf ("#define %s %s\n", def->name, def->value); | |
44 | return 1; | |
45 | } | |
46 | ||
47 | /* Called via traverse_enums. Emit an enum definition for | |
48 | enum_type *SLOT. */ | |
49 | ||
50 | static int | |
51 | print_enum_type (void **slot, void *info ATTRIBUTE_UNUSED) | |
52 | { | |
53 | struct enum_type *def; | |
54 | struct enum_value *value; | |
55 | char *value_name; | |
56 | ||
57 | def = (struct enum_type *) *slot; | |
58 | printf ("\nenum %s {", def->name); | |
59 | for (value = def->values; value; value = value->next) | |
60 | { | |
61 | printf ("\n %s = %s", value->def->name, value->def->value); | |
62 | if (value->next) | |
63 | putc (',', stdout); | |
64 | } | |
65 | printf ("\n};\n"); | |
66 | ||
67 | /* Define NUM_<enum>_VALUES to be the largest enum value + 1. */ | |
68 | value_name = ACONCAT (("num_", def->name, "_values", NULL)); | |
69 | upcase_string (value_name); | |
70 | printf ("#define %s %d\n", value_name, def->num_values); | |
71 | ||
0fe60a1b RS |
72 | /* Declare the array that is generated by genenum. */ |
73 | printf ("extern const char *const %s_strings[];\n", def->name); | |
74 | ||
1b0c37d7 ZW |
75 | return 1; |
76 | } | |
77 | ||
78 | int | |
3d7aafde | 79 | main (int argc, char **argv) |
1b0c37d7 | 80 | { |
1b0c37d7 ZW |
81 | progname = "genconstants"; |
82 | ||
9b68b6ea | 83 | if (!read_md_files (argc, argv, NULL, NULL)) |
1b0c37d7 ZW |
84 | return (FATAL_EXIT_CODE); |
85 | ||
f9942f4e ZW |
86 | /* Initializing the MD reader has the side effect of loading up |
87 | the constants table that we wish to scan. */ | |
1b0c37d7 ZW |
88 | |
89 | puts ("/* Generated automatically by the program `genconstants'"); | |
90 | puts (" from the machine description file `md'. */\n"); | |
91 | puts ("#ifndef GCC_INSN_CONSTANTS_H"); | |
92 | puts ("#define GCC_INSN_CONSTANTS_H\n"); | |
93 | ||
24609606 RS |
94 | traverse_md_constants (print_md_constant, 0); |
95 | traverse_enum_types (print_enum_type, 0); | |
1b0c37d7 ZW |
96 | |
97 | puts ("\n#endif /* GCC_INSN_CONSTANTS_H */"); | |
98 | ||
99 | if (ferror (stdout) || fflush (stdout) || fclose (stdout)) | |
100 | return FATAL_EXIT_CODE; | |
101 | ||
102 | return SUCCESS_EXIT_CODE; | |
103 | } |