text: /*	$NetBSD: db_command.h,v 1.10.8.2 1999/04/12 21:27:07 pk Exp $	*/
  
  /* 
   * Mach Operating System
   * Copyright (c) 1991,1990 Carnegie Mellon University
   * All Rights Reserved.
   * 
   * Permission to use, copy, modify and distribute this software and its
   * documentation is hereby granted, provided that both the copyright
   * notice and this permission notice appear in all copies of the
   * software, derivative works or modified versions, and any portions
   * thereof, and that both notices appear in supporting documentation.
   * 
   * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
   * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
   * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
   * 
   * Carnegie Mellon requests users of this software to return to
   * 
   *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
   *  School of Computer Science
   *  Carnegie Mellon University
   *  Pittsburgh PA 15213-3890
   * 
   * any improvements or extensions that they make and grant Carnegie the
   * rights to redistribute these changes.
   *
   *	Author: David B. Golub, Carnegie Mellon University
   *	Date:	7/90
   */
  
  /*
   * Command loop declarations.
   */
  void db_skip_to_eol(void);
  struct db_command;
  int db_cmd_search(char *, struct db_command *, struct db_command **);
  void db_cmd_list(struct db_command *);
  void db_command(struct db_command **, struct db_command *);
  void db_map_print_cmd(db_expr_t, int, db_expr_t, char *);
  void db_object_print_cmd(db_expr_t, int, db_expr_t, char *);
  void db_page_print_cmd(db_expr_t, int, db_expr_t, char *);
  void db_machine_commands_install(struct db_command *);
  void db_help_cmd(void);
  void db_command_loop(void);
  void db_error(char *);
  void db_fncall(db_expr_t, int, db_expr_t, char *);
  void db_reboot_cmd(db_expr_t, int, db_expr_t, char *);
  
  db_addr_t	db_dot;		/* current location */
  db_addr_t	db_last_addr;	/* last explicit address typed */
  db_addr_t	db_prev;	/* last address examined
  				   or written */
  db_addr_t	db_next;	/* next address to be examined
  				   or written */
  
  /*
   * Command table
   */
  struct db_command {
  	char				*name;		/* command name */
  	/* function to call */
  	void				(*fcn)(db_expr_t, int, db_expr_t, char *);
  	int					flag;		/* extra info: */
  #define	CS_OWN			0x1		/* non-standard syntax */
  #define	CS_MORE			0x2		/* standard syntax, but may have other
  					   words at end */
  #define	CS_SET_DOT		0x100		/* set dot after command */
  	struct db_command 	*more;	/* another level of command */
  };
  