xref: /freebsd/sys/ddb/db_print.c (revision c3aac50f284c6cca5b4f2eb46aaa13812cb8b630)
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  * $FreeBSD$
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 }
68