1/* $NetBSD: db_print.c,v 1.28 2011/04/12 08:42:12 mrg 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 1.28 2011/04/12 08:42:12 mrg 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*/
46void
47db_show_regs(db_expr_t addr, bool have_addr,
48 db_expr_t count, const char *modif)
49{
50 const struct db_variable *regp;
51 struct db_variable vs;
52 db_expr_t value, offset;
53 const char *name;
54
55 for (regp = db_regs; regp < db_eregs; regp++) {
56 vs = *regp;
57 vs.modif = modif;
58 db_read_variable(&vs, &value);
59 db_printf("%-12s%s", vs.name, db_num_to_str(value));
60 db_find_xtrn_sym_and_offset((db_addr_t)value, &name, &offset);
61 if (name != NULL &&
62 (unsigned int) offset <= db_maxoff && offset != value) {
63 db_printf("\t%s", name);
64 if (offset != 0) {
65 char tbuf[24];
66
67 db_format_radix(tbuf, 24, offset, true);
68 db_printf("+%s", tbuf);
69 }
70 }
71 db_printf("\n");
72 }
73 db_print_loc_and_inst(PC_REGS(DDB_REGS));
74}
75