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db_command.h revision 1.7 
      1 /*	$NetBSD: db_command.h,v 1.7 1994/10/09 08:30:00 mycroft 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_command_loop __P((void));
     36 void db_skip_to_eol __P((void));
     37 
     38 void db_error __P((char *));	/* report error */
     39 
     40 db_addr_t	db_dot;		/* current location */
     41 db_addr_t	db_last_addr;	/* last explicit address typed */
     42 db_addr_t	db_prev;	/* last address examined
     43 				   or written */
     44 db_addr_t	db_next;	/* next address to be examined
     45 				   or written */
     46 
     47 /*
     48  * Command table
     49  */
     50 struct db_command {
     51 	char		*name;		/* command name */
     52 	void		(*fcn)();	/* function to call */
     53 	int		flag;		/* extra info: */
     54 #define	CS_OWN		0x1		/* non-standard syntax */
     55 #define	CS_MORE		0x2		/* standard syntax, but may have other
     56 					   words at end */
     57 #define	CS_SET_DOT	0x100		/* set dot after command */
     58 	struct db_command *more;	/* another level of command */
     59 };
     60