1/*
2 * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28/*
29 * @OSF_COPYRIGHT@
30 */
31/*
32 * Mach Operating System
33 * Copyright (c) 1991,1990 Carnegie Mellon University
34 * All Rights Reserved.
35 *
36 * Permission to use, copy, modify and distribute this software and its
37 * documentation is hereby granted, provided that both the copyright
38 * notice and this permission notice appear in all copies of the
39 * software, derivative works or modified versions, and any portions
40 * thereof, and that both notices appear in supporting documentation.
41 *
42 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
43 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
44 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
45 *
46 * Carnegie Mellon requests users of this software to return to
47 *
48 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
49 *  School of Computer Science
50 *  Carnegie Mellon University
51 *  Pittsburgh PA 15213-3890
52 *
53 * any improvements or extensions that they make and grant Carnegie Mellon
54 * the rights to redistribute these changes.
55 */
56/*
57 */
58/*
59 *	Author: David B. Golub, Carnegie Mellon University
60 *	Date:	7/90
61 */
62/*
63 * Command loop declarations.
64 */
65
66#ifndef	_DDB_DB_COMMAND_H_
67#define	_DDB_DB_COMMAND_H_
68
69#include <machine/db_machdep.h>
70#include <db_machine_commands.h>
71
72typedef void	(*db_func)(db_expr_t, boolean_t, db_expr_t, char *);
73
74/*
75 * Command table
76 */
77struct db_command {
78	const char *name;	/* command name */
79	db_func	fcn;		/* function to call */
80	int	flag;		/* extra info: */
81#define	CS_OWN		0x1	    /* non-standard syntax */
82#define	CS_MORE		0x2	    /* standard syntax, but may have other
83				       words at end */
84#define	CS_SET_DOT	0x100	    /* set dot after command */
85	struct db_command *more;   /* another level of command */
86};
87
88
89extern db_addr_t	db_dot;		/* current location */
90extern db_addr_t	db_last_addr;	/* last explicit address typed */
91extern db_addr_t	db_prev;	/* last address examined
92					   or written */
93extern db_addr_t	db_next;	/* next address to be examined
94					   or written */
95
96
97/* Prototypes for functions exported by this module.
98 */
99
100void db_command_loop(void);
101
102void db_machine_commands_install(struct db_command *ptr);
103
104boolean_t db_exec_cmd_nest(
105	const char	*cmd,
106	int		size);
107
108void db_error(const char *s);
109
110boolean_t db_option(
111	const char	*modif,
112	int		option);
113
114#endif	/* !_DDB_DB_COMMAND_H_ */
115