sys/ddb/db_print.c

   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_print.c,v 1.26 1999/08/28 00:41:09 peter Exp $
  27  * $DragonFly: src/sys/ddb/db_print.c,v 1.5 2005/12/23 21:35:44 swildner Exp $
  28  */
  29
  30 /*
  31  *      Author: David B. Golub, Carnegie Mellon University
  32  *      Date:   7/90
  33  */
  34
  35 /*
  36  * Miscellaneous printing.
  37  */
  38 #include <sys/param.h>
  39
  40 #include <ddb/ddb.h>
  41 #include <ddb/db_variables.h>
  42 #include <ddb/db_sym.h>
  43
  44 void
  45 db_show_regs(db_expr_t dummy1, boolean_t dummy2, db_expr_t dummy3, char *dummy4)
  46 {
  47         struct db_variable *regp;
  48         db_expr_t       value, offset;
  49         const char *    name;
  50
  51         for (regp = db_regs; regp < db_eregs; regp++) {
  52             db_read_variable(regp, &value);
  53             db_printf("%-12s%#10lr", regp->name, (unsigned long)value);
  54             db_find_xtrn_sym_and_offset((db_addr_t)value, &name, &offset);
  55             if (name != NULL && offset <= (unsigned long)db_maxoff &&
  56                 offset != value) {
  57                 db_printf("\t%s", name);
  58                 if (offset != 0)
  59                     db_printf("+%+#lr", (long)offset);
  60             }
  61             db_printf("\n");
  62         }
  63         db_print_loc_and_inst(PC_REGS(DDB_REGS), DDB_REGS);
  64 }