db_print.c revision 139747 
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 */
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__FBSDID("$FreeBSD: head/sys/ddb/db_print.c 139747 2005-01-06 01:34:41Z imp $");
38
39#include <sys/param.h>
40#include <sys/kdb.h>
41
42#include <machine/pcb.h>
43
44#include <ddb/ddb.h>
45#include <ddb/db_variables.h>
46#include <ddb/db_sym.h>
47
48void
49db_show_regs(db_expr_t _1, boolean_t _2, db_expr_t _3, char *_4)
50{
51	struct db_variable *regp;
52	db_expr_t value, offset;
53	const char *name;
54
55	for (regp = db_regs; regp < db_eregs; regp++) {
56		if (!db_read_variable(regp, &value))
57			continue;
58		db_printf("%-12s%#10lr", regp->name, (unsigned long)value);
59		db_find_xtrn_sym_and_offset((db_addr_t)value, &name, &offset);
60		if (name != NULL && offset <= (unsigned long)db_maxoff &&
61		    offset != value) {
62			db_printf("\t%s", name);
63			if (offset != 0)
64				db_printf("+%+#lr", (long)offset);
65		}
66		db_printf("\n");
67	}
68	db_print_loc_and_inst(PC_REGS());
69}
70