| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| 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 | |
| 10 | */ |
| 11 | |
| 12 | #ifndef MODUTILS_GENKSYMS_H |
| 13 | #define MODUTILS_GENKSYMS_H 1 |
| 14 | |
| 15 | #include <stdio.h> |
| 16 | |
| 17 | enum symbol_type { |
| 18 | SYM_NORMAL, SYM_TYPEDEF, SYM_ENUM, SYM_STRUCT, SYM_UNION, |
| 19 | SYM_ENUM_CONST |
| 20 | }; |
| 21 | |
| 22 | enum symbol_status { |
| 23 | STATUS_UNCHANGED, STATUS_DEFINED, STATUS_MODIFIED |
| 24 | }; |
| 25 | |
| 26 | struct string_list { |
| 27 | struct string_list *next; |
| 28 | enum symbol_type tag; |
| 29 | int in_source_file; |
| 30 | char *string; |
| 31 | }; |
| 32 | |
| 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; |
| 39 | struct symbol *visited; |
| 40 | int is_extern; |
| 41 | int is_declared; |
| 42 | enum symbol_status status; |
| 43 | int is_override; |
| 44 | }; |
| 45 | |
| 46 | typedef struct string_list **yystype; |
| 47 | #define YYSTYPE yystype |
| 48 | |
| 49 | extern int cur_line; |
| 50 | extern char *cur_filename, *source_file; |
| 51 | extern int in_source_file; |
| 52 | |
| 53 | struct symbol *find_symbol(const char *name, enum symbol_type ns, int exact); |
| 54 | struct symbol *add_symbol(const char *name, enum symbol_type type, |
| 55 | struct string_list *defn, int is_extern); |
| 56 | void export_symbol(const char *); |
| 57 | |
| 58 | void free_node(struct string_list *list); |
| 59 | void free_list(struct string_list *s, struct string_list *e); |
| 60 | struct string_list *copy_node(struct string_list *); |
| 61 | struct string_list *copy_list_range(struct string_list *start, |
| 62 | struct string_list *end); |
| 63 | |
| 64 | int yylex(void); |
| 65 | int yyparse(void); |
| 66 | |
| 67 | void error_with_pos(const char *, ...) __attribute__ ((format(printf, 1, 2))); |
| 68 | |
| 69 | /*----------------------------------------------------------------------*/ |
| 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 | |
| 83 | #endif /* genksyms.h */ |