xref: /dflybsd-src/sys/ddb/db_variables.h (revision 86d7f5d305c6adaa56ff4582ece9859d73106103)
1*86d7f5d3SJohn Marino /*
2*86d7f5d3SJohn Marino  * Mach Operating System
3*86d7f5d3SJohn Marino  * Copyright (c) 1991,1990 Carnegie Mellon University
4*86d7f5d3SJohn Marino  * All Rights Reserved.
5*86d7f5d3SJohn Marino  *
6*86d7f5d3SJohn Marino  * Permission to use, copy, modify and distribute this software and its
7*86d7f5d3SJohn Marino  * documentation is hereby granted, provided that both the copyright
8*86d7f5d3SJohn Marino  * notice and this permission notice appear in all copies of the
9*86d7f5d3SJohn Marino  * software, derivative works or modified versions, and any portions
10*86d7f5d3SJohn Marino  * thereof, and that both notices appear in supporting documentation.
11*86d7f5d3SJohn Marino  *
12*86d7f5d3SJohn Marino  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS
13*86d7f5d3SJohn Marino  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
14*86d7f5d3SJohn Marino  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
15*86d7f5d3SJohn Marino  *
16*86d7f5d3SJohn Marino  * Carnegie Mellon requests users of this software to return to
17*86d7f5d3SJohn Marino  *
18*86d7f5d3SJohn Marino  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
19*86d7f5d3SJohn Marino  *  School of Computer Science
20*86d7f5d3SJohn Marino  *  Carnegie Mellon University
21*86d7f5d3SJohn Marino  *  Pittsburgh PA 15213-3890
22*86d7f5d3SJohn Marino  *
23*86d7f5d3SJohn Marino  * any improvements or extensions that they make and grant Carnegie the
24*86d7f5d3SJohn Marino  * rights to redistribute these changes.
25*86d7f5d3SJohn Marino  *
26*86d7f5d3SJohn Marino  * $FreeBSD: src/sys/ddb/db_variables.h,v 1.11 1999/08/28 00:41:11 peter Exp $
27*86d7f5d3SJohn Marino  * $DragonFly: src/sys/ddb/db_variables.h,v 1.4 2006/05/20 02:42:01 dillon Exp $
28*86d7f5d3SJohn Marino  */
29*86d7f5d3SJohn Marino 
30*86d7f5d3SJohn Marino /*
31*86d7f5d3SJohn Marino  * 	Author: David B. Golub, Carnegie Mellon University
32*86d7f5d3SJohn Marino  *	Date:	7/90
33*86d7f5d3SJohn Marino  */
34*86d7f5d3SJohn Marino 
35*86d7f5d3SJohn Marino #ifndef _DDB_DB_VARIABLES_H_
36*86d7f5d3SJohn Marino #define	_DDB_DB_VARIABLES_H_
37*86d7f5d3SJohn Marino 
38*86d7f5d3SJohn Marino #ifndef _DDB_DDB_H_
39*86d7f5d3SJohn Marino #include <ddb/ddb.h>
40*86d7f5d3SJohn Marino #endif
41*86d7f5d3SJohn Marino 
42*86d7f5d3SJohn Marino /*
43*86d7f5d3SJohn Marino  * Debugger variables.
44*86d7f5d3SJohn Marino  */
45*86d7f5d3SJohn Marino struct db_variable;
46*86d7f5d3SJohn Marino 
47*86d7f5d3SJohn Marino typedef	int	db_varfcn_t (struct db_variable *vp, db_expr_t *valuep, int op);
48*86d7f5d3SJohn Marino 
49*86d7f5d3SJohn Marino struct db_variable {
50*86d7f5d3SJohn Marino 	char	*name;		/* Name of variable */
51*86d7f5d3SJohn Marino 	db_expr_t *valuep;	/* value of variable */
52*86d7f5d3SJohn Marino 				/* function to call when reading/writing */
53*86d7f5d3SJohn Marino 	db_varfcn_t *fcn;
54*86d7f5d3SJohn Marino };
55*86d7f5d3SJohn Marino 
56*86d7f5d3SJohn Marino #define DB_VAR_GET	0
57*86d7f5d3SJohn Marino #define DB_VAR_SET	1
58*86d7f5d3SJohn Marino 
59*86d7f5d3SJohn Marino #ifdef _KERNEL
60*86d7f5d3SJohn Marino 
61*86d7f5d3SJohn Marino extern struct db_variable	db_regs[];	/* machine registers */
62*86d7f5d3SJohn Marino extern struct db_variable	*db_eregs;
63*86d7f5d3SJohn Marino 
64*86d7f5d3SJohn Marino void	db_read_variable (struct db_variable *, db_expr_t *);
65*86d7f5d3SJohn Marino 
66*86d7f5d3SJohn Marino #endif
67*86d7f5d3SJohn Marino 
68*86d7f5d3SJohn Marino #endif /* _!DDB_DB_VARIABLES_H_ */
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