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 char *string; 41 }; 42 43 struct symbol { 44 struct symbol *hash_next; 45 const char *name; 46 enum symbol_type type; 47 struct string_list *defn; 48 struct symbol *expansion_trail; 49 struct symbol *visited; 50 int is_extern; 51 int is_declared; 52 enum symbol_status status; 53 int is_override; 54 }; 55 56 typedef struct string_list **yystype; 57 #define YYSTYPE yystype 58 59 extern int cur_line; 60 extern char *cur_filename; 61 62 struct symbol *find_symbol(const char *name, enum symbol_type ns, int exact); 63 struct symbol *add_symbol(const char *name, enum symbol_type type, 64 struct string_list *defn, int is_extern); 65 void export_symbol(const char *); 66 67 void free_node(struct string_list *list); 68 void free_list(struct string_list *s, struct string_list *e); 69 struct string_list *copy_node(struct string_list *); 70 struct string_list *copy_list_range(struct string_list *start, 71 struct string_list *end); 72 73 int yylex(void); 74 int yyparse(void); 75 76 void error_with_pos(const char *, ...); 77 78 /*----------------------------------------------------------------------*/ 79 #define xmalloc(size) ({ void *__ptr = malloc(size); \ 80 if(!__ptr && size != 0) { \ 81 fprintf(stderr, "out of memory\n"); \ 82 exit(1); \ 83 } \ 84 __ptr; }) 85 #define xstrdup(str) ({ char *__str = strdup(str); \ 86 if (!__str) { \ 87 fprintf(stderr, "out of memory\n"); \ 88 exit(1); \ 89 } \ 90 __str; }) 91 92 #endif /* genksyms.h */ 93