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