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kernel/linux-imx6_3.14.28/scripts/genksyms/genksyms.h 2.67 KB
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  /* Generate kernel symbol version hashes.
     Copyright 1996, 1997 Linux International.
  
     New implementation contributed by Richard Henderson <rth@tamu.edu>
     Based on original work by Bjorn Ekwall <bj0rn@blox.se>
  
     This file is part of the Linux modutils.
  
     This program is free software; you can redistribute it and/or modify it
     under the terms of the GNU General Public License as published by the
     Free Software Foundation; either version 2 of the License, or (at your
     option) any later version.
  
     This program is distributed in the hope that it will be useful, but
     WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     General Public License for more details.
  
     You should have received a copy of the GNU General Public License
     along with this program; if not, write to the Free Software Foundation,
     Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  
  #ifndef MODUTILS_GENKSYMS_H
  #define MODUTILS_GENKSYMS_H 1
  
  #include <stdio.h>
  
  enum symbol_type {
  	SYM_NORMAL, SYM_TYPEDEF, SYM_ENUM, SYM_STRUCT, SYM_UNION,
  	SYM_ENUM_CONST
  };
  
  enum symbol_status {
  	STATUS_UNCHANGED, STATUS_DEFINED, STATUS_MODIFIED
  };
  
  struct string_list {
  	struct string_list *next;
  	enum symbol_type tag;
  	int in_source_file;
  	char *string;
  };
  
  struct symbol {
  	struct symbol *hash_next;
  	const char *name;
  	enum symbol_type type;
  	struct string_list *defn;
  	struct symbol *expansion_trail;
  	struct symbol *visited;
  	int is_extern;
  	int is_declared;
  	enum symbol_status status;
  	int is_override;
  };
  
  typedef struct string_list **yystype;
  #define YYSTYPE yystype
  
  extern int cur_line;
  extern char *cur_filename, *source_file;
  extern int in_source_file;
  
  struct symbol *find_symbol(const char *name, enum symbol_type ns, int exact);
  struct symbol *add_symbol(const char *name, enum symbol_type type,
  			  struct string_list *defn, int is_extern);
  void export_symbol(const char *);
  
  void free_node(struct string_list *list);
  void free_list(struct string_list *s, struct string_list *e);
  struct string_list *copy_node(struct string_list *);
  struct string_list *copy_list_range(struct string_list *start,
  				    struct string_list *end);
  
  int yylex(void);
  int yyparse(void);
  
  void error_with_pos(const char *, ...);
  
  /*----------------------------------------------------------------------*/
  #define xmalloc(size) ({ void *__ptr = malloc(size);		\
  	if(!__ptr && size != 0) {				\
  		fprintf(stderr, "out of memory
  ");		\
  		exit(1);					\
  	}							\
  	__ptr; })
  #define xstrdup(str)  ({ char *__str = strdup(str);		\
  	if (!__str) {						\
  		fprintf(stderr, "out of memory
  ");		\
  		exit(1);					\
  	}							\
  	__str; })
  
  #endif				/* genksyms.h */