84 строки
2.1 KiB
C
84 строки
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/* Generate kernel symbol version hashes.
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Copyright 1996, 1997 Linux International.
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New implementation contributed by Richard Henderson <rth@tamu.edu>
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Based on original work by Bjorn Ekwall <bj0rn@blox.se>
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This file is part of the Linux modutils.
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*/
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#ifndef MODUTILS_GENKSYMS_H
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#define MODUTILS_GENKSYMS_H 1
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#include <stdio.h>
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enum symbol_type {
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SYM_NORMAL, SYM_TYPEDEF, SYM_ENUM, SYM_STRUCT, SYM_UNION,
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SYM_ENUM_CONST
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};
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enum symbol_status {
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STATUS_UNCHANGED, STATUS_DEFINED, STATUS_MODIFIED
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};
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struct string_list {
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struct string_list *next;
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enum symbol_type tag;
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int in_source_file;
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char *string;
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};
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struct symbol {
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struct symbol *hash_next;
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const char *name;
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enum symbol_type type;
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struct string_list *defn;
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struct symbol *expansion_trail;
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struct symbol *visited;
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int is_extern;
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int is_declared;
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enum symbol_status status;
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int is_override;
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};
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typedef struct string_list **yystype;
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#define YYSTYPE yystype
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extern int cur_line;
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extern char *cur_filename;
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extern int in_source_file;
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struct symbol *find_symbol(const char *name, enum symbol_type ns, int exact);
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struct symbol *add_symbol(const char *name, enum symbol_type type,
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struct string_list *defn, int is_extern);
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void export_symbol(const char *);
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void free_node(struct string_list *list);
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void free_list(struct string_list *s, struct string_list *e);
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struct string_list *copy_node(struct string_list *);
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struct string_list *copy_list_range(struct string_list *start,
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struct string_list *end);
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int yylex(void);
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int yyparse(void);
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void error_with_pos(const char *, ...) __attribute__ ((format(printf, 1, 2)));
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/*----------------------------------------------------------------------*/
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#define xmalloc(size) ({ void *__ptr = malloc(size); \
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if(!__ptr && size != 0) { \
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fprintf(stderr, "out of memory\n"); \
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exit(1); \
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} \
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__ptr; })
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#define xstrdup(str) ({ char *__str = strdup(str); \
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if (!__str) { \
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fprintf(stderr, "out of memory\n"); \
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exit(1); \
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} \
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__str; })
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#endif /* genksyms.h */
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