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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* 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
Linus Torvalds1da177e2005-04-16 15:20:36 -070023#ifndef MODUTILS_GENKSYMS_H
24#define MODUTILS_GENKSYMS_H 1
25
26#include <stdio.h>
27
Sam Ravnborgce560682006-03-12 23:26:29 +010028enum symbol_type {
Michal Mareke37ddb82011-02-03 23:57:09 +010029 SYM_NORMAL, SYM_TYPEDEF, SYM_ENUM, SYM_STRUCT, SYM_UNION,
30 SYM_ENUM_CONST
Linus Torvalds1da177e2005-04-16 15:20:36 -070031};
32
Andreas Gruenbacher64e6c1e2008-12-01 14:21:01 -080033enum symbol_status {
34 STATUS_UNCHANGED, STATUS_DEFINED, STATUS_MODIFIED
35};
36
Sam Ravnborgce560682006-03-12 23:26:29 +010037struct string_list {
38 struct string_list *next;
39 enum symbol_type tag;
Michal Marek2c5925d2011-10-08 01:18:35 +020040 int in_source_file;
Sam Ravnborgce560682006-03-12 23:26:29 +010041 char *string;
Linus Torvalds1da177e2005-04-16 15:20:36 -070042};
43
Sam Ravnborgce560682006-03-12 23:26:29 +010044struct 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;
Andreas Gruenbacher15fde672006-05-09 20:37:30 +020050 struct symbol *visited;
Sam Ravnborgce560682006-03-12 23:26:29 +010051 int is_extern;
Andreas Gruenbacher64e6c1e2008-12-01 14:21:01 -080052 int is_declared;
53 enum symbol_status status;
Andreas Gruenbacher5dae9a52008-12-01 14:21:03 -080054 int is_override;
Linus Torvalds1da177e2005-04-16 15:20:36 -070055};
56
57typedef struct string_list **yystype;
58#define YYSTYPE yystype
59
Linus Torvalds1da177e2005-04-16 15:20:36 -070060extern int cur_line;
Michal Marek2c5925d2011-10-08 01:18:35 +020061extern char *cur_filename, *source_file;
62extern int in_source_file;
Linus Torvalds1da177e2005-04-16 15:20:36 -070063
Michal Marek01762c42011-02-15 15:11:36 +010064struct symbol *find_symbol(const char *name, enum symbol_type ns, int exact);
Linus Torvalds1da177e2005-04-16 15:20:36 -070065struct symbol *add_symbol(const char *name, enum symbol_type type,
Sam Ravnborgce560682006-03-12 23:26:29 +010066 struct string_list *defn, int is_extern);
Linus Torvalds1da177e2005-04-16 15:20:36 -070067void export_symbol(const char *);
68
Linus Torvalds1da177e2005-04-16 15:20:36 -070069void free_node(struct string_list *list);
Sam Ravnborgce560682006-03-12 23:26:29 +010070void free_list(struct string_list *s, struct string_list *e);
Linus Torvalds1da177e2005-04-16 15:20:36 -070071struct string_list *copy_node(struct string_list *);
Michal Mareke37ddb82011-02-03 23:57:09 +010072struct string_list *copy_list_range(struct string_list *start,
73 struct string_list *end);
Linus Torvalds1da177e2005-04-16 15:20:36 -070074
75int yylex(void);
76int yyparse(void);
77
Nicolas Iooss3def0342017-05-20 13:27:00 +020078void error_with_pos(const char *, ...) __attribute__ ((format(printf, 1, 2)));
Linus Torvalds1da177e2005-04-16 15:20:36 -070079
Linus Torvalds1da177e2005-04-16 15:20:36 -070080/*----------------------------------------------------------------------*/
Linus Torvalds1da177e2005-04-16 15:20:36 -070081#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
Sam Ravnborgce560682006-03-12 23:26:29 +010094#endif /* genksyms.h */