[linux-block.git] / scripts / genksyms / genksyms.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/* 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.

 */

#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;
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 *, ...) __attribute__ ((format(printf, 1, 2)));

/*----------------------------------------------------------------------*/
#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
1a59d1b8	1	/* SPDX-License-Identifier: GPL-2.0-or-later */
1da177e4 LT	2	/* Generate kernel symbol version hashes.
	3	Copyright 1996, 1997 Linux International.
	4
	5	New implementation contributed by Richard Henderson <rth@tamu.edu>
	6	Based on original work by Bjorn Ekwall <bj0rn@blox.se>
	7
	8	This file is part of the Linux modutils.
	9
1a59d1b8	10	*/
1da177e4	11
1da177e4 LT	12	#ifndef MODUTILS_GENKSYMS_H
	13	#define MODUTILS_GENKSYMS_H 1
	14
	15	#include <stdio.h>
	16
ce560686	17	enum symbol_type {
e37ddb82 MM	18	SYM_NORMAL, SYM_TYPEDEF, SYM_ENUM, SYM_STRUCT, SYM_UNION,
e37ddb82 MM	19	SYM_ENUM_CONST
1da177e4 LT	20	};
1da177e4 LT	21
64e6c1e1 AG	22	enum symbol_status {
	23	STATUS_UNCHANGED, STATUS_DEFINED, STATUS_MODIFIED
	24	};
	25
ce560686 SR	26	struct string_list {
	27	struct string_list *next;
	28	enum symbol_type tag;
2c5925d6	29	int in_source_file;
ce560686	30	char *string;
1da177e4 LT	31	};
1da177e4 LT	32
ce560686 SR	33	struct symbol {
	34	struct symbol *hash_next;
	35	const char *name;
	36	enum symbol_type type;
	37	struct string_list *defn;
	38	struct symbol *expansion_trail;
15fde675	39	struct symbol *visited;
ce560686	40	int is_extern;
64e6c1e1 AG	41	int is_declared;
64e6c1e1 AG	42	enum symbol_status status;
5dae9a55	43	int is_override;
1da177e4 LT	44	};
	45
	46	typedef struct string_list **yystype;
	47	#define YYSTYPE yystype
	48
1da177e4	49	extern int cur_line;
ab37d5a4	50	extern char *cur_filename;
2c5925d6	51	extern int in_source_file;
1da177e4	52
01762c4e	53	struct symbol find_symbol(const char name, enum symbol_type ns, int exact);
1da177e4	54	struct symbol add_symbol(const char name, enum symbol_type type,
ce560686	55	struct string_list *defn, int is_extern);
1da177e4 LT	56	void export_symbol(const char *);
1da177e4 LT	57
1da177e4	58	void free_node(struct string_list *list);
ce560686	59	void free_list(struct string_list s, struct string_list e);
1da177e4	60	struct string_list copy_node(struct string_list );
e37ddb82 MM	61	struct string_list copy_list_range(struct string_list start,
e37ddb82 MM	62	struct string_list *end);
1da177e4 LT	63
	64	int yylex(void);
	65	int yyparse(void);
	66
3def0344	67	void error_with_pos(const char *, ...) __attribute__ ((format(printf, 1, 2)));
1da177e4	68
1da177e4	69	/----------------------------------------------------------------------/
1da177e4 LT	70	#define xmalloc(size) ({ void *__ptr = malloc(size); \
	71	if(!__ptr && size != 0) { \
	72	fprintf(stderr, "out of memory\n"); \
	73	exit(1); \
	74	} \
	75	__ptr; })
	76	#define xstrdup(str) ({ char *__str = strdup(str); \
	77	if (!__str) { \
	78	fprintf(stderr, "out of memory\n"); \
	79	exit(1); \
	80	} \
	81	__str; })
	82
ce560686	83	#endif /* genksyms.h */