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
28enum symbol_type {
29	SYM_NORMAL, SYM_TYPEDEF, SYM_ENUM, SYM_STRUCT, SYM_UNION,
30	SYM_ENUM_CONST
31};
32
33enum symbol_status {
34	STATUS_UNCHANGED, STATUS_DEFINED, STATUS_MODIFIED
35};
36
37struct string_list {
38	struct string_list *next;
39	enum symbol_type tag;
40	char *string;
41};
42
43struct symbol {
44	struct symbol *hash_next;
45	const char *name;
46	enum symbol_type type;
47	struct string_list *defn;
48	struct symbol *expansion_trail;
49	struct symbol *visited;
50	int is_extern;
51	int is_declared;
52	enum symbol_status status;
53	int is_override;
54};
55
56typedef struct string_list **yystype;
57#define YYSTYPE yystype
58
59extern int cur_line;
60extern char *cur_filename;
61
62struct symbol *find_symbol(const char *name, enum symbol_type ns, int exact);
63struct symbol *add_symbol(const char *name, enum symbol_type type,
64			  struct string_list *defn, int is_extern);
65void export_symbol(const char *);
66
67void free_node(struct string_list *list);
68void free_list(struct string_list *s, struct string_list *e);
69struct string_list *copy_node(struct string_list *);
70struct string_list *copy_list_range(struct string_list *start,
71				    struct string_list *end);
72
73int yylex(void);
74int yyparse(void);
75
76void error_with_pos(const char *, ...);
77
78/*----------------------------------------------------------------------*/
79#define xmalloc(size) ({ void *__ptr = malloc(size);		\
80	if(!__ptr && size != 0) {				\
81		fprintf(stderr, "out of memory\n");		\
82		exit(1);					\
83	}							\
84	__ptr; })
85#define xstrdup(str)  ({ char *__str = strdup(str);		\
86	if (!__str) {						\
87		fprintf(stderr, "out of memory\n");		\
88		exit(1);					\
89	}							\
90	__str; })
91
92#endif				/* genksyms.h */
93