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1 | /* Generate kernel symbol version hashes. |
2 | Copyright 1996, 1997 Linux International. |
3 | |
4 | New implementation contributed by Richard Henderson <rth@tamu.edu> |
5 | Based on original work by Bjorn Ekwall <bj0rn@blox.se> |
6 | |
7 | This file is part of the Linux modutils. |
8 | |
9 | This program is free software; you can redistribute it and/or modify it |
10 | under the terms of the GNU General Public License as published by the |
11 | Free Software Foundation; either version 2 of the License, or (at your |
12 | option) any later version. |
13 | |
14 | This program is distributed in the hope that it will be useful, but |
15 | WITHOUT ANY WARRANTY; without even the implied warranty of |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
17 | General Public License for more details. |
18 | |
19 | You should have received a copy of the GNU General Public License |
20 | along with this program; if not, write to the Free Software Foundation, |
21 | Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
22 | |
23 | #ifndef MODUTILS_GENKSYMS_H |
24 | #define MODUTILS_GENKSYMS_H 1 |
25 | |
26 | #include <stdio.h> |
27 | |
28 | enum symbol_type { |
29 | SYM_NORMAL, SYM_TYPEDEF, SYM_ENUM, SYM_STRUCT, SYM_UNION, |
30 | SYM_ENUM_CONST |
31 | }; |
32 | |
33 | enum symbol_status { |
34 | STATUS_UNCHANGED, STATUS_DEFINED, STATUS_MODIFIED |
35 | }; |
36 | |
37 | struct string_list { |
38 | struct string_list *next; |
39 | enum symbol_type tag; |
40 | int in_source_file; |
41 | char *string; |
42 | }; |
43 | |
44 | struct symbol { |
45 | struct symbol *hash_next; |
46 | const char *name; |
47 | enum symbol_type type; |
48 | struct string_list *defn; |
49 | struct symbol *expansion_trail; |
50 | struct symbol *visited; |
51 | int is_extern; |
52 | int is_declared; |
53 | enum symbol_status status; |
54 | int is_override; |
55 | }; |
56 | |
57 | typedef struct string_list **yystype; |
58 | #define YYSTYPE yystype |
59 | |
60 | extern int cur_line; |
61 | extern char *cur_filename, *source_file; |
62 | extern int in_source_file; |
63 | |
64 | struct symbol *find_symbol(const char *name, enum symbol_type ns, int exact); |
65 | struct symbol *add_symbol(const char *name, enum symbol_type type, |
66 | struct string_list *defn, int is_extern); |
67 | void export_symbol(const char *); |
68 | |
69 | void free_node(struct string_list *list); |
70 | void free_list(struct string_list *s, struct string_list *e); |
71 | struct string_list *copy_node(struct string_list *); |
72 | struct string_list *copy_list_range(struct string_list *start, |
73 | struct string_list *end); |
74 | |
75 | int yylex(void); |
76 | int yyparse(void); |
77 | |
78 | void error_with_pos(const char *, ...); |
79 | |
80 | /*----------------------------------------------------------------------*/ |
81 | #define xmalloc(size) ({ void *__ptr = malloc(size); \ |
82 | if(!__ptr && size != 0) { \ |
83 | fprintf(stderr, "out of memory\n"); \ |
84 | exit(1); \ |
85 | } \ |
86 | __ptr; }) |
87 | #define xstrdup(str) ({ char *__str = strdup(str); \ |
88 | if (!__str) { \ |
89 | fprintf(stderr, "out of memory\n"); \ |
90 | exit(1); \ |
91 | } \ |
92 | __str; }) |
93 | |
94 | #endif /* genksyms.h */ |
95 |
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