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@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 * $FreeBSD: src/sys/ddb/db_variables.h,v 1.11 1999/08/28 00:41:11 peter Exp $ 27 * $DragonFly: src/sys/ddb/db_variables.h,v 1.3 2003/08/27 10:47:13 rob Exp $ 28 */ 29 30 /* 31 * Author: David B. Golub, Carnegie Mellon University 32 * Date: 7/90 33 */ 34 35 #ifndef _DDB_DB_VARIABLES_H_ 36 #define _DDB_DB_VARIABLES_H_ 37 38 /* 39 * Debugger variables. 40 */ 41 struct db_variable; 42 typedef int db_varfcn_t (struct db_variable *vp, db_expr_t *valuep, 43 int op); 44 struct db_variable { 45 char *name; /* Name of variable */ 46 db_expr_t *valuep; /* value of variable */ 47 /* function to call when reading/writing */ 48 db_varfcn_t *fcn; 49 #define DB_VAR_GET 0 50 #define DB_VAR_SET 1 51 }; 52 #define FCN_NULL ((db_varfcn_t *)0) 53 54 extern struct db_variable db_regs[]; /* machine registers */ 55 extern struct db_variable *db_eregs; 56 57 void db_read_variable (struct db_variable *, db_expr_t *); 58 59 #endif /* _!DDB_DB_VARIABLES_H_ */ 60