xref: /openbsd/sys/ddb/db_command.h (revision 4cfece93)
1 /*	$OpenBSD: db_command.h,v 1.33 2019/11/07 13:16:25 mpi 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 struct db_command;
37 
38 void db_error(char *);
39 void db_skip_to_eol(void);
40 void db_command_loop(void);
41 void db_command(struct db_command **, struct db_command *);
42 void db_machine_commands_install(struct db_command *);
43 
44 extern	vaddr_t db_dot, db_last_addr, db_prev, db_next;
45 
46 /*
47  * Command table
48  */
49 struct db_command {
50 	char		*name;		/* command name */
51 	/* function to call */
52 	void		(*fcn)(db_expr_t, int, db_expr_t, char *);
53 	int		flag;		/* extra info: */
54 #define	CS_OWN		0x1		/* non-standard syntax */
55 #define	CS_MORE		0x2		/* standard syntax, but may have other
56 					   words at end */
57 #define	CS_SET_DOT	0x100		/* set dot after command */
58 	struct db_command *more;	/* another level of command */
59 };
60