xref: /netbsd/sys/ddb/db_print.c (revision 6550d01e)
1 /*	$NetBSD: db_print.c,v 1.27 2009/03/07 22:02:17 ad 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 1.27 2009/03/07 22:02:17 ad Exp $");
38 
39 #include <sys/param.h>
40 #include <sys/proc.h>
41 
42 #include <ddb/ddb.h>
43 
44 /*ARGSUSED*/
45 void
46 db_show_regs(db_expr_t addr, bool have_addr,
47     db_expr_t count, const char *modif)
48 {
49 	const struct db_variable *regp;
50 	struct db_variable vs;
51 	db_expr_t value, offset;
52 	const char *name;
53 
54 	for (regp = db_regs; regp < db_eregs; regp++) {
55 		vs = *regp;
56 		vs.modif = modif;
57 		db_read_variable(&vs, &value);
58 		db_printf("%-12s%s", vs.name, db_num_to_str(value));
59 		db_find_xtrn_sym_and_offset((db_addr_t)value, &name, &offset);
60 		if (name != NULL &&
61 		    (unsigned int) offset <= db_maxoff && offset != value) {
62 			db_printf("\t%s", name);
63 			if (offset != 0) {
64 				char tbuf[24];
65 
66 				db_format_radix(tbuf, 24, offset, true);
67 				db_printf("+%s", tbuf);
68 			}
69 		}
70 		db_printf("\n");
71 	}
72 	db_print_loc_and_inst(PC_REGS(DDB_REGS));
73 }
74