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 *, ...); 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