db_print.c

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    1 /*      $NetBSD: db_print.c,v 1.29 2020/03/10 15:58:37 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 /*
   33  * Miscellaneous printing.
   34  */
   35 
   36 #include <sys/cdefs.h>
   37 __KERNEL_RCSID(0, "$NetBSD: db_print.c,v 1.29 2020/03/10 15:58:37 christos Exp $");
   38 
   39 #include <sys/param.h>
   40 #include <sys/proc.h>
   41 #include <sys/cpu.h>
   42 
   43 #include <ddb/ddb.h>
   44 
   45 /*ARGSUSED*/
   46 void
   47 db_show_regs(db_expr_t addr, bool have_addr,
   48     db_expr_t count, const char *modif)
   49 {
   50 #ifdef _KERNEL
   51         const struct db_variable *regp;
   52         struct db_variable vs;
   53         db_expr_t value, offset;
   54         const char *name;
   55 
   56         for (regp = db_regs; regp < db_eregs; regp++) {
   57                 vs = *regp;
   58                 vs.modif = modif;
   59                 db_read_variable(&vs, &value);
   60                 db_printf("%-12s%s", vs.name, db_num_to_str(value));
   61                 db_find_xtrn_sym_and_offset((db_addr_t)value, &name, &offset);
   62                 if (name != NULL &&
   63                     (unsigned int) offset <= db_maxoff && offset != value) {
   64                         db_printf("\t%s", name);
   65                         if (offset != 0) {
   66                                 char tbuf[24];
   67 
   68                                 db_format_radix(tbuf, 24, offset, true);
   69                                 db_printf("+%s", tbuf);
   70                         }
   71                 }
   72                 db_printf("\n");
   73         }
   74         db_print_loc_and_inst(PC_REGS(DDB_REGS));
   75 #else
   76         db_kernelonly();
   77 #endif
   78 }

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FreeBSD/Linux Kernel Cross Reference sys/ddb/db_print.c

FreeBSD/Linux Kernel Cross Reference
sys/ddb/db_print.c