Commit | Line | Data |
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1a59d1b8 | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
1da177e4 LT |
2 | /* Generate kernel symbol version hashes. |
3 | Copyright 1996, 1997 Linux International. | |
4 | ||
5 | New implementation contributed by Richard Henderson <rth@tamu.edu> | |
6 | Based on original work by Bjorn Ekwall <bj0rn@blox.se> | |
7 | ||
8 | This file is part of the Linux modutils. | |
9 | ||
1a59d1b8 | 10 | */ |
1da177e4 | 11 | |
1da177e4 LT |
12 | #ifndef MODUTILS_GENKSYMS_H |
13 | #define MODUTILS_GENKSYMS_H 1 | |
14 | ||
15 | #include <stdio.h> | |
16 | ||
ce560686 | 17 | enum symbol_type { |
e37ddb82 MM |
18 | SYM_NORMAL, SYM_TYPEDEF, SYM_ENUM, SYM_STRUCT, SYM_UNION, |
19 | SYM_ENUM_CONST | |
1da177e4 LT |
20 | }; |
21 | ||
64e6c1e1 AG |
22 | enum symbol_status { |
23 | STATUS_UNCHANGED, STATUS_DEFINED, STATUS_MODIFIED | |
24 | }; | |
25 | ||
ce560686 SR |
26 | struct string_list { |
27 | struct string_list *next; | |
28 | enum symbol_type tag; | |
2c5925d6 | 29 | int in_source_file; |
ce560686 | 30 | char *string; |
1da177e4 LT |
31 | }; |
32 | ||
ce560686 SR |
33 | struct symbol { |
34 | struct symbol *hash_next; | |
35 | const char *name; | |
36 | enum symbol_type type; | |
37 | struct string_list *defn; | |
38 | struct symbol *expansion_trail; | |
15fde675 | 39 | struct symbol *visited; |
ce560686 | 40 | int is_extern; |
64e6c1e1 AG |
41 | int is_declared; |
42 | enum symbol_status status; | |
5dae9a55 | 43 | int is_override; |
1da177e4 LT |
44 | }; |
45 | ||
46 | typedef struct string_list **yystype; | |
47 | #define YYSTYPE yystype | |
48 | ||
1da177e4 | 49 | extern int cur_line; |
2c5925d6 MM |
50 | extern char *cur_filename, *source_file; |
51 | extern int in_source_file; | |
1da177e4 | 52 | |
01762c4e | 53 | struct symbol *find_symbol(const char *name, enum symbol_type ns, int exact); |
1da177e4 | 54 | struct symbol *add_symbol(const char *name, enum symbol_type type, |
ce560686 | 55 | struct string_list *defn, int is_extern); |
1da177e4 LT |
56 | void export_symbol(const char *); |
57 | ||
1da177e4 | 58 | void free_node(struct string_list *list); |
ce560686 | 59 | void free_list(struct string_list *s, struct string_list *e); |
1da177e4 | 60 | struct string_list *copy_node(struct string_list *); |
e37ddb82 MM |
61 | struct string_list *copy_list_range(struct string_list *start, |
62 | struct string_list *end); | |
1da177e4 LT |
63 | |
64 | int yylex(void); | |
65 | int yyparse(void); | |
66 | ||
3def0344 | 67 | void error_with_pos(const char *, ...) __attribute__ ((format(printf, 1, 2))); |
1da177e4 | 68 | |
1da177e4 | 69 | /*----------------------------------------------------------------------*/ |
1da177e4 LT |
70 | #define xmalloc(size) ({ void *__ptr = malloc(size); \ |
71 | if(!__ptr && size != 0) { \ | |
72 | fprintf(stderr, "out of memory\n"); \ | |
73 | exit(1); \ | |
74 | } \ | |
75 | __ptr; }) | |
76 | #define xstrdup(str) ({ char *__str = strdup(str); \ | |
77 | if (!__str) { \ | |
78 | fprintf(stderr, "out of memory\n"); \ | |
79 | exit(1); \ | |
80 | } \ | |
81 | __str; }) | |
82 | ||
ce560686 | 83 | #endif /* genksyms.h */ |