Loading...
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
17enum symbol_type {
18 SYM_NORMAL, SYM_TYPEDEF, SYM_ENUM, SYM_STRUCT, SYM_UNION,
19 SYM_ENUM_CONST
20};
21
22enum symbol_status {
23 STATUS_UNCHANGED, STATUS_DEFINED, STATUS_MODIFIED
24};
25
26struct string_list {
27 struct string_list *next;
28 enum symbol_type tag;
29 int in_source_file;
30 char *string;
31};
32
33struct 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
46typedef struct string_list **yystype;
47#define YYSTYPE yystype
48
49extern int cur_line;
50extern char *cur_filename;
51extern int in_source_file;
52
53struct symbol *find_symbol(const char *name, enum symbol_type ns, int exact);
54struct symbol *add_symbol(const char *name, enum symbol_type type,
55 struct string_list *defn, int is_extern);
56void export_symbol(const char *);
57
58void free_node(struct string_list *list);
59void free_list(struct string_list *s, struct string_list *e);
60struct string_list *copy_node(struct string_list *);
61struct string_list *copy_list_range(struct string_list *start,
62 struct string_list *end);
63
64int yylex(void);
65int yyparse(void);
66
67void 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 */
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 */