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 * $FreeBSD: releng/5.0/sys/ddb/db_print.c 50477 1999-08-28 01:08:13Z peter $
27 */
28
29 /*
30 * Author: David B. Golub, Carnegie Mellon University
31 * Date: 7/90
32 */
33
34 /*
35 * Miscellaneous printing.
36 */
37 #include <sys/param.h>
38
39 #include <ddb/ddb.h>
40 #include <ddb/db_variables.h>
41 #include <ddb/db_sym.h>
42
43 void
44 db_show_regs(dummy1, dummy2, dummy3, dummy4)
45 db_expr_t dummy1;
46 boolean_t dummy2;
47 db_expr_t dummy3;
48 char * dummy4;
49 {
50 register struct db_variable *regp;
51 db_expr_t value, offset;
52 const char * name;
53
54 for (regp = db_regs; regp < db_eregs; regp++) {
55 db_read_variable(regp, &value);
56 db_printf("%-12s%#10lr", regp->name, (unsigned long)value);
57 db_find_xtrn_sym_and_offset((db_addr_t)value, &name, &offset);
58 if (name != NULL && offset <= (unsigned long)db_maxoff &&
59 offset != value) {
60 db_printf("\t%s", name);
61 if (offset != 0)
62 db_printf("+%+#lr", (long)offset);
63 }
64 db_printf("\n");
65 }
66 db_print_loc_and_inst(PC_REGS(DDB_REGS));
67 }
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