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 24 #ifndef MODUTILS_GENKSYMS_H 25 #define MODUTILS_GENKSYMS_H 1 26 27 #include <stdio.h> 28 29 30 enum symbol_type 31 { 32 SYM_NORMAL, SYM_TYPEDEF, SYM_ENUM, SYM_STRUCT, SYM_UNION 33 }; 34 35 struct string_list 36 { 37 struct string_list *next; 38 enum symbol_type tag; 39 char *string; 40 }; 41 42 struct symbol 43 { 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 int is_extern; 50 }; 51 52 typedef struct string_list **yystype; 53 #define YYSTYPE yystype 54 55 extern FILE *outfile, *debugfile; 56 57 extern int cur_line; 58 extern char *cur_filename, *output_directory; 59 60 extern int flag_debug, flag_dump_defs, flag_warnings; 61 extern int checksum_version, kernel_version; 62 63 extern int want_brace_phrase, want_exp_phrase, discard_phrase_contents; 64 extern struct string_list *current_list, *next_list; 65 66 67 struct symbol *find_symbol(const char *name, enum symbol_type ns); 68 struct symbol *add_symbol(const char *name, enum symbol_type type, 69 struct string_list *defn, int is_extern); 70 void export_symbol(const char *); 71 72 struct string_list *reset_list(void); 73 void free_list(struct string_list *s, struct string_list *e); 74 void free_node(struct string_list *list); 75 struct string_list *copy_node(struct string_list *); 76 struct string_list *copy_list(struct string_list *s, struct string_list *e); 77 int equal_list(struct string_list *a, struct string_list *b); 78 void print_list(FILE *, struct string_list *list); 79 80 int yylex(void); 81 int yyparse(void); 82 83 void error_with_pos(const char *, ...); 84 85 #define version(a,b,c) ((a << 16) | (b << 8) | (c)) 86 87 /*----------------------------------------------------------------------*/ 88 89 #define MODUTILS_VERSION "<in-kernel>" 90 91 #define xmalloc(size) ({ void *__ptr = malloc(size); \ 92 if(!__ptr && size != 0) { \ 93 fprintf(stderr, "out of memory\n"); \ 94 exit(1); \ 95 } \ 96 __ptr; }) 97 #define xstrdup(str) ({ char *__str = strdup(str); \ 98 if (!__str) { \ 99 fprintf(stderr, "out of memory\n"); \ 100 exit(1); \ 101 } \ 102 __str; }) 103 104 #endif /* genksyms.h */ 105