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/* SPDX-License-Identifier: GPL-2.0-or-later */
/* Generate kernel symbol version hashes.
Copyright 1996, 1997 Linux International.
New implementation contributed by Richard Henderson <[email protected]>
Based on original work by Bjorn Ekwall <[email protected]>
This file is part of the Linux modutils.
*/
#ifndef MODUTILS_GENKSYMS_H
#define MODUTILS_GENKSYMS_H 1
#include <stdio.h>
enum symbol_type {
SYM_NORMAL, SYM_TYPEDEF, SYM_ENUM, SYM_STRUCT, SYM_UNION,
SYM_ENUM_CONST
};
enum symbol_status {
STATUS_UNCHANGED, STATUS_DEFINED, STATUS_MODIFIED
};
struct string_list {
struct string_list *next;
enum symbol_type tag;
int in_source_file;
char *string;
};
struct symbol {
struct symbol *hash_next;
const char *name;
enum symbol_type type;
struct string_list *defn;
struct symbol *expansion_trail;
struct symbol *visited;
int is_extern;
int is_declared;
enum symbol_status status;
int is_override;
};
typedef struct string_list **yystype;
#define YYSTYPE yystype
extern int cur_line;
extern char *cur_filename;
extern int in_source_file;
struct symbol *find_symbol(const char *name, enum symbol_type ns, int exact);
struct symbol *add_symbol(const char *name, enum symbol_type type,
struct string_list *defn, int is_extern);
void export_symbol(const char *);
void free_node(struct string_list *list);
void free_list(struct string_list *s, struct string_list *e);
struct string_list *copy_node(struct string_list *);
struct string_list *copy_list_range(struct string_list *start,
struct string_list *end);
int yylex(void);
int yyparse(void);
void error_with_pos(const char *, ...) __attribute__ ((format(printf, 1, 2)));
/*----------------------------------------------------------------------*/
#define xmalloc(size) ({ void *__ptr = malloc(size); \
if(!__ptr && size != 0) { \
fprintf(stderr, "out of memory\n"); \
exit(1); \
} \
__ptr; })
#define xstrdup(str) ({ char *__str = strdup(str); \
if (!__str) { \
fprintf(stderr, "out of memory\n"); \
exit(1); \
} \
__str; })
#endif /* genksyms.h */
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