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db_variables.h revision 1.6.20.2 
      1 /*	$NetBSD: db_variables.h,v 1.6.20.2 1999/04/12 21:27:08 pk 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 "AS IS"
     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 #ifndef	_DB_VARIABLES_H_
     33 #define	_DB_VARIABLES_H_
     34 
     35 /*
     36  * Debugger variables.
     37  */
     38 struct db_variable {
     39 	char	*name;		/* Name of variable */
     40 	long	*valuep;	/* value of variable */
     41 				/* function to call when reading/writing */
     42 	int	(*fcn) __P((struct db_variable *, db_expr_t *, int));
     43 #define DB_VAR_GET	0
     44 #define DB_VAR_SET	1
     45 };
     46 #define	FCN_NULL ((int (*) __P((struct db_variable *, db_expr_t *, int)))0)
     47 
     48 extern struct db_variable	db_vars[];	/* debugger variables */
     49 extern struct db_variable	*db_evars;
     50 extern struct db_variable	db_regs[];	/* machine registers */
     51 extern struct db_variable	*db_eregs;
     52 
     53 int db_find_variable __P((struct db_variable **));
     54 int db_get_variable __P((db_expr_t *));
     55 int db_set_variable __P((db_expr_t));
     56 void db_read_variable __P((struct db_variable *, db_expr_t *));
     57 void db_write_variable __P((struct db_variable *, db_expr_t *));
     58 void db_set_cmd __P((db_expr_t, int, db_expr_t, char *));
     59 
     60 #endif	/* _DB_VARIABLES_H_ */
     61