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genksyms: track symbol checksum changes
[mirror_ubuntu-zesty-kernel.git] / scripts / genksyms / genksyms.h
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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
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23#ifndef MODUTILS_GENKSYMS_H
24#define MODUTILS_GENKSYMS_H 1
25
26#include <stdio.h>
27
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28enum symbol_type {
29 SYM_NORMAL, SYM_TYPEDEF, SYM_ENUM, SYM_STRUCT, SYM_UNION
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30};
31
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32enum symbol_status {
33 STATUS_UNCHANGED, STATUS_DEFINED, STATUS_MODIFIED
34};
35
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36struct string_list {
37 struct string_list *next;
38 enum symbol_type tag;
39 char *string;
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40};
41
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42struct symbol {
43 struct symbol *hash_next;
44 const char *name;
45 enum symbol_type type;
46 struct string_list *defn;
47 struct symbol *expansion_trail;
15fde675 48 struct symbol *visited;
ce560686 49 int is_extern;
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50 int is_declared;
51 enum symbol_status status;
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52};
53
54typedef struct string_list **yystype;
55#define YYSTYPE yystype
56
1da177e4 57extern int cur_line;
ce560686 58extern char *cur_filename;
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59
60struct symbol *find_symbol(const char *name, enum symbol_type ns);
61struct symbol *add_symbol(const char *name, enum symbol_type type,
ce560686 62 struct string_list *defn, int is_extern);
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63void export_symbol(const char *);
64
1da177e4 65void free_node(struct string_list *list);
ce560686 66void free_list(struct string_list *s, struct string_list *e);
1da177e4 67struct string_list *copy_node(struct string_list *);
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68
69int yylex(void);
70int yyparse(void);
71
72void error_with_pos(const char *, ...);
73
1da177e4 74/*----------------------------------------------------------------------*/
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75#define xmalloc(size) ({ void *__ptr = malloc(size); \
76 if(!__ptr && size != 0) { \
77 fprintf(stderr, "out of memory\n"); \
78 exit(1); \
79 } \
80 __ptr; })
81#define xstrdup(str) ({ char *__str = strdup(str); \
82 if (!__str) { \
83 fprintf(stderr, "out of memory\n"); \
84 exit(1); \
85 } \
86 __str; })
87
ce560686 88#endif /* genksyms.h */