xref: /openbsd/sys/ddb/db_command.h (revision f2dfb0a4)
1 /*	$OpenBSD: db_command.h,v 1.7 1998/02/25 19:53:48 weingart Exp $	*/
2 /*	$NetBSD: db_command.h,v 1.8 1996/02/05 01:56:55 christos Exp $	*/
3 
4 /*
5  * Mach Operating System
6  * Copyright (c) 1993,1992,1991,1990 Carnegie Mellon University
7  * All Rights Reserved.
8  *
9  * Permission to use, copy, modify and distribute this software and its
10  * documentation is hereby granted, provided that both the copyright
11  * notice and this permission notice appear in all copies of the
12  * software, derivative works or modified versions, and any portions
13  * thereof, and that both notices appear in supporting documentation.
14  *
15  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
16  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
17  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
18  *
19  * Carnegie Mellon requests users of this software to return to
20  *
21  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
22  *  School of Computer Science
23  *  Carnegie Mellon University
24  *  Pittsburgh PA 15213-3890
25  *
26  * any improvements or extensions that they make and grant Carnegie Mellon
27  * the rights to redistribute these changes.
28  *
29  *	Author: David B. Golub, Carnegie Mellon University
30  *	Date:	7/90
31  */
32 
33 /*
34  * Command loop declarations.
35  */
36 void db_skip_to_eol __P((void));
37 struct db_command;
38 int db_cmd_search __P((char *, struct db_command *, struct db_command **));
39 void db_cmd_list __P((struct db_command *));
40 void db_command __P((struct db_command **, struct db_command *));
41 void db_map_print_cmd __P((db_expr_t, int, db_expr_t, char *));
42 void db_object_print_cmd __P((db_expr_t, int, db_expr_t, char *));
43 void db_extent_print_cmd __P((db_expr_t, int, db_expr_t, char *));
44 void db_machine_commands_install __P((struct db_command *));
45 void db_help_cmd __P((db_expr_t, int, db_expr_t, char *));
46 void db_command_loop __P((void));
47 void db_error __P((char *));
48 void db_fncall __P((db_expr_t, int, db_expr_t, char *));
49 void db_boot_sync_cmd __P((db_expr_t, int, db_expr_t, char *));
50 void db_boot_crash_cmd __P((db_expr_t, int, db_expr_t, char *));
51 void db_boot_dump_cmd __P((db_expr_t, int, db_expr_t, char *));
52 
53 db_addr_t	db_dot;		/* current location */
54 db_addr_t	db_last_addr;	/* last explicit address typed */
55 db_addr_t	db_prev;	/* last address examined
56 				   or written */
57 db_addr_t	db_next;	/* next address to be examined
58 				   or written */
59 
60 /*
61  * Command table
62  */
63 struct db_command {
64 	char		*name;		/* command name */
65 	/* function to call */
66 	void		(*fcn) __P((db_expr_t, int, db_expr_t, char *));
67 	int		flag;		/* extra info: */
68 #define	CS_OWN		0x1		/* non-standard syntax */
69 #define	CS_MORE		0x2		/* standard syntax, but may have other
70 					   words at end */
71 #define	CS_SET_DOT	0x100		/* set dot after command */
72 	struct db_command *more;	/* another level of command */
73 };
74