FreeBSD/Linux Kernel Cross Reference
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 */
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: src/sys/ddb/db_print.c,v 1.30 2005/04/14 05:25:40 peter Exp $");
38
39 #include <sys/param.h>
40 #include <sys/kdb.h>
41 #include <sys/proc.h>
42
43 #include <machine/pcb.h>
44
45 #include <ddb/ddb.h>
46 #include <ddb/db_variables.h>
47 #include <ddb/db_sym.h>
48
49 void
50 db_show_regs(db_expr_t _1, boolean_t _2, db_expr_t _3, char *_4)
51 {
52 struct db_variable *regp;
53 db_expr_t value, offset;
54 const char *name;
55
56 for (regp = db_regs; regp < db_eregs; regp++) {
57 if (!db_read_variable(regp, &value))
58 continue;
59 db_printf("%-12s%#10lr", regp->name, (unsigned long)value);
60 db_find_xtrn_sym_and_offset((db_addr_t)value, &name, &offset);
61 if (name != NULL && offset <= (unsigned long)db_maxoff &&
62 offset != value) {
63 db_printf("\t%s", name);
64 if (offset != 0)
65 db_printf("+%+#lr", (long)offset);
66 }
67 db_printf("\n");
68 }
69 db_print_loc_and_inst(PC_REGS());
70 }
71
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