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TOMOYO Linux Cross Reference
Linux/scripts/genksyms/genksyms.h

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  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 
 28 enum symbol_type {
 29         SYM_NORMAL, SYM_TYPEDEF, SYM_ENUM, SYM_STRUCT, SYM_UNION,
 30         SYM_ENUM_CONST
 31 };
 32 
 33 enum symbol_status {
 34         STATUS_UNCHANGED, STATUS_DEFINED, STATUS_MODIFIED
 35 };
 36 
 37 struct string_list {
 38         struct string_list *next;
 39         enum symbol_type tag;
 40         int in_source_file;
 41         char *string;
 42 };
 43 
 44 struct 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 
 57 typedef struct string_list **yystype;
 58 #define YYSTYPE yystype
 59 
 60 extern int cur_line;
 61 extern char *cur_filename, *source_file;
 62 extern int in_source_file;
 63 
 64 struct symbol *find_symbol(const char *name, enum symbol_type ns, int exact);
 65 struct symbol *add_symbol(const char *name, enum symbol_type type,
 66                           struct string_list *defn, int is_extern);
 67 void export_symbol(const char *);
 68 
 69 void free_node(struct string_list *list);
 70 void free_list(struct string_list *s, struct string_list *e);
 71 struct string_list *copy_node(struct string_list *);
 72 struct string_list *copy_list_range(struct string_list *start,
 73                                     struct string_list *end);
 74 
 75 int yylex(void);
 76 int yyparse(void);
 77 
 78 void error_with_pos(const char *, ...) __attribute__ ((format(printf, 1, 2)));
 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 */
 95 

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