[net-next-2.6.git] / scripts / genksyms / genksyms.h

/* 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
};

struct string_list {
	struct string_list *next;
	enum symbol_type tag;
	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;
};

typedef struct string_list **yystype;
#define YYSTYPE yystype

extern int cur_line;
extern char *cur_filename;

struct symbol *find_symbol(const char *name, enum symbol_type ns);
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 *);

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\n");		\
		exit(1);					\
	}							\
	__ptr; })
#define xstrdup(str)  ({ char *__str = strdup(str);		\
	if (!__str) {						\
		fprintf(stderr, "out of memory\n");		\
		exit(1);					\
	}							\
	__str; })

#endif				/* genksyms.h */
Commit	Line	Data
1da177e4 LT	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
1da177e4 LT	23	#ifndef MODUTILS_GENKSYMS_H
	24	#define MODUTILS_GENKSYMS_H 1
	25
	26	#include <stdio.h>
	27
ce560686 SR	28	enum symbol_type {
ce560686 SR	29	SYM_NORMAL, SYM_TYPEDEF, SYM_ENUM, SYM_STRUCT, SYM_UNION
1da177e4 LT	30	};
1da177e4 LT	31
ce560686 SR	32	struct string_list {
	33	struct string_list *next;
	34	enum symbol_type tag;
	35	char *string;
1da177e4 LT	36	};
1da177e4 LT	37
ce560686 SR	38	struct symbol {
	39	struct symbol *hash_next;
	40	const char *name;
	41	enum symbol_type type;
	42	struct string_list *defn;
	43	struct symbol *expansion_trail;
15fde675	44	struct symbol *visited;
ce560686	45	int is_extern;
1da177e4 LT	46	};
	47
	48	typedef struct string_list **yystype;
	49	#define YYSTYPE yystype
	50
1da177e4	51	extern int cur_line;
ce560686	52	extern char *cur_filename;
1da177e4 LT	53
	54	struct symbol find_symbol(const char name, enum symbol_type ns);
	55	struct symbol add_symbol(const char name, enum symbol_type type,
ce560686	56	struct string_list *defn, int is_extern);
1da177e4 LT	57	void export_symbol(const char *);
1da177e4 LT	58
1da177e4	59	void free_node(struct string_list *list);
ce560686	60	void free_list(struct string_list s, struct string_list e);
1da177e4	61	struct string_list copy_node(struct string_list );
1da177e4 LT	62
	63	int yylex(void);
	64	int yyparse(void);
	65
	66	void error_with_pos(const char *, ...);
	67
1da177e4	68	/----------------------------------------------------------------------/
1da177e4 LT	69	#define xmalloc(size) ({ void *__ptr = malloc(size); \
	70	if(!__ptr && size != 0) { \
	71	fprintf(stderr, "out of memory\n"); \
	72	exit(1); \
	73	} \
	74	__ptr; })
	75	#define xstrdup(str) ({ char *__str = strdup(str); \
	76	if (!__str) { \
	77	fprintf(stderr, "out of memory\n"); \
	78	exit(1); \
	79	} \
	80	__str; })
	81
ce560686	82	#endif /* genksyms.h */