xref: /netbsd-src/sys/ddb/db_print.c (revision 3b01aba77a7a698587faaae455bbfe740923c1f5)
1 /*	$NetBSD: db_print.c,v 1.16 2001/05/13 01:38:53 ross 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 #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 /*ARGSUSED*/
47 void
48 db_show_regs(addr, have_addr, count, modif)
49 	db_expr_t	addr;
50 	int		have_addr;
51 	db_expr_t	count;
52 	char *		modif;
53 {
54 	const struct db_variable *regp;
55 	struct db_variable vs;
56 	db_expr_t	value, offset;
57 	char *		name;
58 
59 	for (regp = db_regs; regp < db_eregs; regp++) {
60 	    vs = *regp;
61 	    vs.modif = modif;
62 	    db_read_variable(&vs, &value);
63 	    db_printf("%-12s%s", vs.name, db_num_to_str(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 		    char tbuf[24];
69 
70 		    db_format_radix(tbuf, 24, offset, TRUE);
71 		    db_printf("+%s", tbuf);
72 		}
73 	    }
74 	    db_printf("\n");
75 	}
76 	db_print_loc_and_inst(PC_REGS(DDB_REGS));
77 }
78 
79