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