xref: /netbsd-src/sys/ddb/db_print.c (revision 2a399c6883d870daece976daec6ffa7bb7f934ce)
1 /*	$NetBSD: db_print.c,v 1.7 1997/02/04 00:32:10 cgd 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
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 #include <sys/param.h>
36 #include <sys/proc.h>
37 
38 #include <machine/db_machdep.h>
39 
40 #include <ddb/db_lex.h>
41 #include <ddb/db_variables.h>
42 #include <ddb/db_sym.h>
43 #include <ddb/db_output.h>
44 #include <ddb/db_extern.h>
45 
46 extern unsigned int	db_maxoff;
47 
48 /*ARGSUSED*/
49 void
50 db_show_regs(addr, have_addr, count, modif)
51 	db_expr_t	addr;
52 	int		have_addr;
53 	db_expr_t	count;
54 	char *		modif;
55 {
56 	register struct db_variable *regp;
57 	db_expr_t	value, offset;
58 	char *		name;
59 
60 	for (regp = db_regs; regp < db_eregs; regp++) {
61 	    db_read_variable(regp, &value);
62 	    db_printf("%-12s%#*ln", regp->name, (sizeof (value) * 2) + 2,
63 		value);
64 	    db_find_xtrn_sym_and_offset((db_addr_t)value, &name, &offset);
65 	    if (name != 0 && offset <= db_maxoff && offset != value) {
66 		db_printf("\t%s", name);
67 		if (offset != 0)
68 		    db_printf("+%#lr", offset);
69 	    }
70 	    db_printf("\n");
71 	}
72 	db_print_loc_and_inst(PC_REGS(DDB_REGS));
73 }
74 
75