1 /* $NetBSD: db_command.h,v 1.25 2005/11/27 13:05:28 yamt 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 *); 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 }; 64