Home | History | Annotate | Line # | Download | only in ddb
db_variables.h revision 1.3 
      1 /*
      2  * Mach Operating System
      3  * Copyright (c) 1991,1990 Carnegie Mellon University
      4  * All Rights Reserved.
      5  *
      6  * Permission to use, copy, modify and distribute this software and its
      7  * documentation is hereby granted, provided that both the copyright
      8  * notice and this permission notice appear in all copies of the
      9  * software, derivative works or modified versions, and any portions
     10  * thereof, and that both notices appear in supporting documentation.
     11  *
     12  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS
     13  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
     14  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     15  *
     16  * Carnegie Mellon requests users of this software to return to
     17  *
     18  *  Software Distribution Coordinator  or  Software.Distribution (at) CS.CMU.EDU
     19  *  School of Computer Science
     20  *  Carnegie Mellon University
     21  *  Pittsburgh PA 15213-3890
     22  *
     23  * any improvements or extensions that they make and grant Carnegie the
     24  * rights to redistribute these changes.
     25  *
     26  * 	Author: David B. Golub, Carnegie Mellon University
     27  *	Date:	7/90
     28  *	$Id: db_variables.h,v 1.3 1994/02/15 14:50:47 mycroft Exp $
     29  */
     30 
     31 #ifndef	_DB_VARIABLES_H_
     32 #define	_DB_VARIABLES_H_
     33 
     34 /*
     35  * Debugger variables.
     36  */
     37 struct db_variable {
     38 	char	*name;		/* Name of variable */
     39 	int	*valuep;	/* value of variable */
     40 				/* function to call when reading/writing */
     41 	int	(*fcn)(/* db_variable *vp, db_expr_t *valuep, int op */);
     42 #define DB_VAR_GET	0
     43 #define DB_VAR_SET	1
     44 };
     45 #define	FCN_NULL	((int (*)())0)
     46 
     47 extern struct db_variable	db_vars[];	/* debugger variables */
     48 extern struct db_variable	*db_evars;
     49 extern struct db_variable	db_regs[];	/* machine registers */
     50 extern struct db_variable	*db_eregs;
     51 
     52 #endif	/* _DB_VARIABLES_H_ */
     53