1 /* 2 * Mach Operating System 3 * Copyright (c) 1991,1990 Carnegie Mellon University 4 * All Rights Reserved. 5 * 6 * Permission to use, copy, modify and distribute this software and its 7 * documentation is hereby granted, provided that both the copyright 8 * notice and this permission notice appear in all copies of the 9 * software, derivative works or modified versions, and any portions 10 * thereof, and that both notices appear in supporting documentation. 11 * 12 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS 13 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 14 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 15 * 16 * Carnegie Mellon requests users of this software to return to 17 * 18 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 19 * School of Computer Science 20 * Carnegie Mellon University 21 * Pittsburgh PA 15213-3890 22 * 23 * any improvements or extensions that they make and grant Carnegie the 24 * rights to redistribute these changes. 25 * 26 * Author: David B. Golub, Carnegie Mellon University 27 * Date: 7/90 28 * $Id: db_command.h,v 1.4 1994/03/23 20:00:57 pk Exp $ 29 */ 30 31 /* 32 * Command loop declarations. 33 */ 34 #include <sys/param.h> 35 #include <sys/proc.h> 36 #include <machine/db_machdep.h> 37 38 extern void db_command_loop(); 39 extern void db_skip_to_eol(); 40 41 extern void db_error(/* char * */); /* report error */ 42 43 extern db_addr_t db_dot; /* current location */ 44 extern db_addr_t db_last_addr; /* last explicit address typed */ 45 extern db_addr_t db_prev; /* last address examined 46 or written */ 47 extern db_addr_t db_next; /* next address to be examined 48 or written */ 49 50 /* 51 * Command table 52 */ 53 struct db_command { 54 char *name; /* command name */ 55 void (*fcn)(); /* function to call */ 56 int flag; /* extra info: */ 57 #define CS_OWN 0x1 /* non-standard syntax */ 58 #define CS_MORE 0x2 /* standard syntax, but may have other 59 words at end */ 60 #define CS_SET_DOT 0x100 /* set dot after command */ 61 struct db_command *more; /* another level of command */ 62 }; 63