1 /* $NetBSD: db_variables.h,v 1.16 2017/12/28 17:51:19 christos 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@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 const char *name; /* Name of variable */ 40 void *valuep; /* value of variable */ 41 /* function to call when reading/writing */ 42 int (*fcn)(const struct db_variable *, db_expr_t *, int); 43 const char *modif; 44 #define DB_VAR_GET 0 45 #define DB_VAR_SET 1 46 }; 47 #define FCN_NULL ((int (*)(const struct db_variable *, db_expr_t *, int))0) 48 49 extern const struct db_variable db_vars[]; /* debugger variables */ 50 extern const struct db_variable * const db_evars; 51 extern const struct db_variable db_regs[]; /* machine registers */ 52 extern const struct db_variable * const db_eregs; 53 54 int db_get_variable(db_expr_t *); 55 int db_set_variable(db_expr_t); 56 void db_read_variable(const struct db_variable *, db_expr_t *); 57 void db_write_variable(const struct db_variable *, db_expr_t *); 58 void db_set_cmd(db_expr_t, bool, db_expr_t, const char *); 59 60 #endif /* _DB_VARIABLES_H_ */ 61