sys/ddb/db_print.c

/*
 * 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
 * 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.
 *
 *      $Id: db_print.c,v 1.2 1993/10/16 16:47:22 rgrimes Exp $
 */

/*
 *      Author: David B. Golub, Carnegie Mellon University
 *      Date:   7/90
 */

/*
 * Miscellaneous printing.
 */
#include "param.h"
#include "systm.h"
#include "proc.h"

#include "ddb/ddb.h"

#include <ddb/db_lex.h>
#include <ddb/db_variables.h>
#include <ddb/db_sym.h>

extern unsigned int     db_maxoff;

void
db_show_regs(db_expr_t dummy1, int dummy2, db_expr_t dummy3, char *dummy4)
{
        int     (*func)();
        register struct db_variable *regp;
        db_expr_t       value, offset;
        char *          name;

        for (regp = db_regs; regp < db_eregs; regp++) {
            db_read_variable(regp, &value);
            db_printf("%-12s%#10n", regp->name, value);
            db_find_xtrn_sym_and_offset((db_addr_t)value, &name, &offset);
            if (name != 0 && offset <= db_maxoff && offset != value) {
                db_printf("\t%s", name);
                if (offset != 0)
                    db_printf("+%#r", offset);
            }
            db_printf("\n");
        }
        db_print_loc_and_inst(PC_REGS(DDB_REGS));
}