db_print.c revision 1.2 
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 * $Id: db_print.c,v 1.2 1993/05/20 03:39:25 cgd Exp $
28 *
29 * HISTORY
30 * $Log: db_print.c,v $
31 * Revision 1.2  1993/05/20 03:39:25  cgd
32 * add explicit rcs id
33 *
34 * Revision 1.1.1.1  1993/03/21  09:46:27  cgd
35 * initial import of 386bsd-0.1 sources
36 *
37 * Revision 1.1  1992/03/25  21:45:22  pace
38 * Initial revision
39 *
40 * Revision 2.5  91/02/05  17:06:53  mrt
41 * 	Changed to new Mach copyright
42 * 	[91/01/31  16:18:56  mrt]
43 *
44 * Revision 2.4  90/10/25  14:43:54  rwd
45 * 	Changed db_show_regs to print unsigned.
46 * 	[90/10/19            rpd]
47 * 	Generalized the watchpoint support.
48 * 	[90/10/16            rwd]
49 *
50 * Revision 2.3  90/09/09  23:19:52  rpd
51 * 	Avoid totally incorrect guesses of symbol names for small values.
52 * 	[90/08/30  17:39:08  af]
53 *
54 * Revision 2.2  90/08/27  21:51:49  dbg
55 * 	Insist that 'show thread' be called with an explicit address.
56 * 	[90/08/22            dbg]
57 *
58 * 	Fix type for db_maxoff.
59 * 	[90/08/20            dbg]
60 *
61 * 	Do not dereference the "valuep" field of a variable directly,
62 * 	call the new db_read/write_variable functions instead.
63 * 	Reflected changes in symbol lookup functions.
64 * 	[90/08/20            af]
65 * 	Reduce lint.
66 * 	[90/08/10  14:33:44  dbg]
67 *
68 * 	Created.
69 * 	[90/07/25            dbg]
70 *
71 */
72/*
73 * 	Author: David B. Golub, Carnegie Mellon University
74 *	Date:	7/90
75 */
76
77/*
78 * Miscellaneous printing.
79 */
80#include "param.h"
81#include "proc.h"
82
83#include <machine/db_machdep.h>
84
85#include <ddb/db_lex.h>
86#include <ddb/db_variables.h>
87#include <ddb/db_sym.h>
88
89extern unsigned int	db_maxoff;
90
91void
92db_show_regs()
93{
94	int	(*func)();
95	register struct db_variable *regp;
96	db_expr_t	value, offset;
97	char *		name;
98
99	for (regp = db_regs; regp < db_eregs; regp++) {
100	    db_read_variable(regp, &value);
101	    db_printf("%-12s%#10n", regp->name, value);
102	    db_find_xtrn_sym_and_offset((db_addr_t)value, &name, &offset);
103	    if (name != 0 && offset <= db_maxoff && offset != value) {
104		db_printf("\t%s", name);
105		if (offset != 0)
106		    db_printf("+%#r", offset);
107	    }
108	    db_printf("\n");
109	}
110	db_print_loc_and_inst(PC_REGS(DDB_REGS));
111}
112
113