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	int in_source_file;
41	char *string;
42};
43
44struct 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;
50	struct symbol *visited;
51	int is_extern;
52	int is_declared;
53	enum symbol_status status;
54	int is_override;
55};
56
57typedef struct string_list **yystype;
58#define YYSTYPE yystype
59
60extern int cur_line;
61extern char *cur_filename, *source_file;
62extern int in_source_file;
63
64struct symbol *find_symbol(const char *name, enum symbol_type ns, int exact);
65struct symbol *add_symbol(const char *name, enum symbol_type type,
66			  struct string_list *defn, int is_extern);
67void export_symbol(const char *);
68
69void free_node(struct string_list *list);
70void free_list(struct string_list *s, struct string_list *e);
71struct string_list *copy_node(struct string_list *);
72struct string_list *copy_list_range(struct string_list *start,
73				    struct string_list *end);
74
75int yylex(void);
76int yyparse(void);
77
78void error_with_pos(const char *, ...);
79
80/*----------------------------------------------------------------------*/
81#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
94#endif				/* genksyms.h */

 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 */