xref: /freebsd/sys/ddb/db_variables.h (revision 381fe1aaf4d3cb1ad62f758c15ace6cb07eea97a)
15b81b6b3SRodney W. Grimes /*
25b81b6b3SRodney W. Grimes  * Mach Operating System
35b81b6b3SRodney W. Grimes  * Copyright (c) 1991,1990 Carnegie Mellon University
45b81b6b3SRodney W. Grimes  * All Rights Reserved.
55b81b6b3SRodney W. Grimes  *
65b81b6b3SRodney W. Grimes  * Permission to use, copy, modify and distribute this software and its
75b81b6b3SRodney W. Grimes  * documentation is hereby granted, provided that both the copyright
85b81b6b3SRodney W. Grimes  * notice and this permission notice appear in all copies of the
95b81b6b3SRodney W. Grimes  * software, derivative works or modified versions, and any portions
105b81b6b3SRodney W. Grimes  * thereof, and that both notices appear in supporting documentation.
115b81b6b3SRodney W. Grimes  *
125b81b6b3SRodney W. Grimes  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS
135b81b6b3SRodney W. Grimes  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
145b81b6b3SRodney W. Grimes  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
155b81b6b3SRodney W. Grimes  *
165b81b6b3SRodney W. Grimes  * Carnegie Mellon requests users of this software to return to
175b81b6b3SRodney W. Grimes  *
185b81b6b3SRodney W. Grimes  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
195b81b6b3SRodney W. Grimes  *  School of Computer Science
205b81b6b3SRodney W. Grimes  *  Carnegie Mellon University
215b81b6b3SRodney W. Grimes  *  Pittsburgh PA 15213-3890
225b81b6b3SRodney W. Grimes  *
235b81b6b3SRodney W. Grimes  * any improvements or extensions that they make and grant Carnegie the
245b81b6b3SRodney W. Grimes  * rights to redistribute these changes.
250edf66ecSRodney W. Grimes  *
26381fe1aaSGarrett Wollman  *	$Id: db_variables.h,v 1.2 1993/10/16 16:47:31 rgrimes Exp $
275b81b6b3SRodney W. Grimes  */
280edf66ecSRodney W. Grimes 
295b81b6b3SRodney W. Grimes /*
305b81b6b3SRodney W. Grimes  * 	Author: David B. Golub, Carnegie Mellon University
315b81b6b3SRodney W. Grimes  *	Date:	7/90
325b81b6b3SRodney W. Grimes  */
335b81b6b3SRodney W. Grimes 
345b81b6b3SRodney W. Grimes #ifndef	_DB_VARIABLES_H_
355b81b6b3SRodney W. Grimes #define	_DB_VARIABLES_H_
365b81b6b3SRodney W. Grimes 
375b81b6b3SRodney W. Grimes /*
385b81b6b3SRodney W. Grimes  * Debugger variables.
395b81b6b3SRodney W. Grimes  */
405b81b6b3SRodney W. Grimes struct db_variable {
415b81b6b3SRodney W. Grimes 	char	*name;		/* Name of variable */
425b81b6b3SRodney W. Grimes 	int	*valuep;	/* value of variable */
435b81b6b3SRodney W. Grimes 				/* function to call when reading/writing */
445b81b6b3SRodney W. Grimes 	int	(*fcn)(/* db_variable *vp, db_expr_t *valuep, int op */);
455b81b6b3SRodney W. Grimes #define DB_VAR_GET	0
465b81b6b3SRodney W. Grimes #define DB_VAR_SET	1
475b81b6b3SRodney W. Grimes };
485b81b6b3SRodney W. Grimes #define	FCN_NULL	((int (*)())0)
495b81b6b3SRodney W. Grimes 
505b81b6b3SRodney W. Grimes extern struct db_variable	db_vars[];	/* debugger variables */
515b81b6b3SRodney W. Grimes extern struct db_variable	*db_evars;
525b81b6b3SRodney W. Grimes extern struct db_variable	db_regs[];	/* machine registers */
535b81b6b3SRodney W. Grimes extern struct db_variable	*db_eregs;
545b81b6b3SRodney W. Grimes 
55381fe1aaSGarrett Wollman extern void db_read_variable(struct db_variable *, db_expr_t *);
56381fe1aaSGarrett Wollman 
575b81b6b3SRodney W. Grimes #endif	/* _DB_VARIABLES_H_ */
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