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db_command.h revision 1.9 
      1 /*	$NetBSD: db_command.h,v 1.9 1997/09/11 06:55:57 scottr 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 (at) 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 void db_reboot_cmd __P((db_expr_t, int, db_expr_t, char *));
     48 
     49 db_addr_t	db_dot;		/* current location */
     50 db_addr_t	db_last_addr;	/* last explicit address typed */
     51 db_addr_t	db_prev;	/* last address examined
     52 				   or written */
     53 db_addr_t	db_next;	/* next address to be examined
     54 				   or written */
     55 
     56 /*
     57  * Command table
     58  */
     59 struct db_command {
     60 	char		*name;		/* command name */
     61 	/* function to call */
     62 	void		(*fcn) __P((db_expr_t, int, db_expr_t, char *));
     63 	int		flag;		/* extra info: */
     64 #define	CS_OWN		0x1		/* non-standard syntax */
     65 #define	CS_MORE		0x2		/* standard syntax, but may have other
     66 					   words at end */
     67 #define	CS_SET_DOT	0x100		/* set dot after command */
     68 	struct db_command *more;	/* another level of command */
     69 };
     70