xref: /netbsd-src/sys/ddb/db_command.h (revision bada23909e740596d0a3785a73bd3583a9807fb8)
1 /*	$NetBSD: db_command.h,v 1.10 1998/02/05 07:59:36 mrg Exp $	*/
2 
3 /*
4  * Mach Operating System
5  * Copyright (c) 1991,1990 Carnegie Mellon University
6  * All Rights Reserved.
7  *
8  * Permission to use, copy, modify and distribute this software and its
9  * documentation is hereby granted, provided that both the copyright
10  * notice and this permission notice appear in all copies of the
11  * software, derivative works or modified versions, and any portions
12  * thereof, and that both notices appear in supporting documentation.
13  *
14  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS
15  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
16  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
17  *
18  * Carnegie Mellon requests users of this software to return to
19  *
20  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
21  *  School of Computer Science
22  *  Carnegie Mellon University
23  *  Pittsburgh PA 15213-3890
24  *
25  * any improvements or extensions that they make and grant Carnegie the
26  * rights to redistribute these changes.
27  *
28  *	Author: David B. Golub, Carnegie Mellon University
29  *	Date:	7/90
30  */
31 
32 /*
33  * Command loop declarations.
34  */
35 void db_skip_to_eol __P((void));
36 struct db_command;
37 int db_cmd_search __P((char *, struct db_command *, struct db_command **));
38 void db_cmd_list __P((struct db_command *));
39 void db_command __P((struct db_command **, struct db_command *));
40 void db_map_print_cmd __P((db_expr_t, int, db_expr_t, char *));
41 void db_object_print_cmd __P((db_expr_t, int, db_expr_t, char *));
42 void db_page_print_cmd __P((db_expr_t, int, db_expr_t, char *));
43 void db_machine_commands_install __P((struct db_command *));
44 void db_help_cmd __P((void));
45 void db_command_loop __P((void));
46 void db_error __P((char *));
47 void db_fncall __P((db_expr_t, int, db_expr_t, char *));
48 void db_reboot_cmd __P((db_expr_t, int, db_expr_t, char *));
49 
50 db_addr_t	db_dot;		/* current location */
51 db_addr_t	db_last_addr;	/* last explicit address typed */
52 db_addr_t	db_prev;	/* last address examined
53 				   or written */
54 db_addr_t	db_next;	/* next address to be examined
55 				   or written */
56 
57 /*
58  * Command table
59  */
60 struct db_command {
61 	char		*name;		/* command name */
62 	/* function to call */
63 	void		(*fcn) __P((db_expr_t, int, db_expr_t, char *));
64 	int		flag;		/* extra info: */
65 #define	CS_OWN		0x1		/* non-standard syntax */
66 #define	CS_MORE		0x2		/* standard syntax, but may have other
67 					   words at end */
68 #define	CS_SET_DOT	0x100		/* set dot after command */
69 	struct db_command *more;	/* another level of command */
70 };
71