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 }; 31 32 enum symbol_status { 33 STATUS_UNCHANGED, STATUS_DEFINED, STATUS_MODIFIED 34 }; 35 36 struct string_list { 37 struct string_list *next; 38 enum symbol_type tag; 39 char *string; 40 }; 41 42 struct symbol { 43 struct symbol *hash_next; 44 const char *name; 45 enum symbol_type type; 46 struct string_list *defn; 47 struct symbol *expansion_trail; 48 struct symbol *visited; 49 int is_extern; 50 int is_declared; 51 enum symbol_status status; 52 int is_override; 53 }; 54 55 typedef struct string_list **yystype; 56 #define YYSTYPE yystype 57 58 extern int cur_line; 59 extern char *cur_filename; 60 61 struct symbol *find_symbol(const char *name, enum symbol_type ns); 62 struct symbol *add_symbol(const char *name, enum symbol_type type, 63 struct string_list *defn, int is_extern); 64 void export_symbol(const char *); 65 66 void free_node(struct string_list *list); 67 void free_list(struct string_list *s, struct string_list *e); 68 struct string_list *copy_node(struct string_list *); 69 70 int yylex(void); 71 int yyparse(void); 72 73 void error_with_pos(const char *, ...); 74 75 /*----------------------------------------------------------------------*/ 76 #define xmalloc(size) ({ void *__ptr = malloc(size); \ 77 if(!__ptr && size != 0) { \ 78 fprintf(stderr, "out of memory\n"); \ 79 exit(1); \ 80 } \ 81 __ptr; }) 82 #define xstrdup(str) ({ char *__str = strdup(str); \ 83 if (!__str) { \ 84 fprintf(stderr, "out of memory\n"); \ 85 exit(1); \ 86 } \ 87 __str; }) 88 89 #endif /* genksyms.h */ 90