1 /* $NetBSD: db_command.h,v 1.8 1996/02/05 01:56:55 christos 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 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 void db_skip_to_eol __P((void)); 36 struct db_command; 37 int db_cmd_search __P((char *, struct db_command *, struct db_command **)); 38 void db_cmd_list __P((struct db_command *)); 39 void db_command __P((struct db_command **, struct db_command *)); 40 void db_map_print_cmd __P((db_expr_t, int, db_expr_t, char *)); 41 void db_object_print_cmd __P((db_expr_t, int, db_expr_t, char *)); 42 void db_machine_commands_install __P((struct db_command *)); 43 void db_help_cmd __P((void)); 44 void db_command_loop __P((void)); 45 void db_error __P((char *)); 46 void db_fncall __P((db_expr_t, int, db_expr_t, char *)); 47 48 db_addr_t db_dot; /* current location */ 49 db_addr_t db_last_addr; /* last explicit address typed */ 50 db_addr_t db_prev; /* last address examined 51 or written */ 52 db_addr_t db_next; /* next address to be examined 53 or written */ 54 55 /* 56 * Command table 57 */ 58 struct db_command { 59 char *name; /* command name */ 60 /* function to call */ 61 void (*fcn) __P((db_expr_t, int, db_expr_t, char *)); 62 int flag; /* extra info: */ 63 #define CS_OWN 0x1 /* non-standard syntax */ 64 #define CS_MORE 0x2 /* standard syntax, but may have other 65 words at end */ 66 #define CS_SET_DOT 0x100 /* set dot after command */ 67 struct db_command *more; /* another level of command */ 68 }; 69