FreeBSD/Linux Kernel Cross Reference
sys/ddb/db_command.h
1 /* $NetBSD: db_command.h,v 1.26 2006/09/05 21:52:11 uwe 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 "AS IS"
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 struct db_command;
36
37 void db_skip_to_eol(void);
38 void db_command_loop(void);
39 void db_error(const char *) __attribute__((__noreturn__));
40
41 extern db_addr_t db_dot; /* current location */
42 extern db_addr_t db_last_addr; /* last explicit address typed */
43 extern db_addr_t db_prev; /* last address examined
44 or written */
45 extern db_addr_t db_next; /* next address to be examined
46 or written */
47
48 extern char db_cmd_on_enter[];
49
50 /*
51 * Command table
52 */
53 struct db_command {
54 const char *name; /* command name */
55 /* function to call */
56 void (*fcn)(db_expr_t, int, db_expr_t, const char *);
57 int flag; /* extra info: */
58 #define CS_OWN 0x1 /* non-standard syntax */
59 #define CS_MORE 0x2 /* standard syntax, but may have other
60 words at end */
61 #define CS_SET_DOT 0x100 /* set dot after command */
62 const struct db_command *more; /* another level of command */
63 };
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