FreeBSD/Linux Kernel Cross Reference
sys/ddb/db_variables.h

     /*      $NetBSD: db_variables.h,v 1.12 2002/02/15 07:33:54 simonb Exp $ */
     
     /*
      * Mach Operating System
      * Copyright (c) 1991,1990 Carnegie Mellon University
      * All Rights Reserved.
      *
      * Permission to use, copy, modify and distribute this software and its
      * documentation is hereby granted, provided that both the copyright
     * notice and this permission notice appear in all copies of the
     * software, derivative works or modified versions, and any portions
     * thereof, and that both notices appear in supporting documentation.
     *
     * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
     * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
     * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     *
     * Carnegie Mellon requests users of this software to return to
     *
     *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
     *  School of Computer Science
     *  Carnegie Mellon University
     *  Pittsburgh PA 15213-3890
     *
     * any improvements or extensions that they make and grant Carnegie the
     * rights to redistribute these changes.
     *
     *      Author: David B. Golub, Carnegie Mellon University
     *      Date:   7/90
     */
    
    #ifndef _DB_VARIABLES_H_
    #define _DB_VARIABLES_H_
    
    /*
     * Debugger variables.
     */
    struct db_variable {
            const char *name;       /* Name of variable */
            long    *valuep;        /* value of variable */
                                    /* function to call when reading/writing */
            int     (*fcn)(const struct db_variable *, db_expr_t *, int);
            char    *modif;
    #define DB_VAR_GET      0
    #define DB_VAR_SET      1
    };
    #define FCN_NULL ((int (*)(const struct db_variable *, db_expr_t *, int))0)
    
    extern const struct db_variable db_vars[];      /* debugger variables */
    extern const struct db_variable * const db_evars;
    extern const struct db_variable db_regs[];      /* machine registers */
    extern const struct db_variable * const db_eregs;
    
    int     db_get_variable(db_expr_t *);
    int     db_set_variable(db_expr_t);
    void    db_read_variable(const struct db_variable *, db_expr_t *);
    void    db_write_variable(const struct db_variable *, db_expr_t *);
    void    db_set_cmd(db_expr_t, int, db_expr_t, char *);
    
    #endif  /* _DB_VARIABLES_H_ */

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