1 /*
2 * Copyright (C) 1993-1996 Bas Laarhoven,
3 * (C) 1996-1997 Claus-Justus Heine.
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2, or (at your option)
8 any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; see the file COPYING. If not, write to
17 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
18
19 *
20 * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-tracing.c,v $
21 * $Revision: 1.2 $
22 * $Date: 1997/10/05 19:18:27 $
23 *
24 * This file contains the reading code
25 * for the QIC-117 floppy-tape driver for Linux.
26 */
27
28 #include <linux/ftape.h>
29 #include "../lowlevel/ftape-tracing.h"
30
31 /* Global vars.
32 */
33 /* tracing
34 * set it to: to log :
35 * 0 bugs
36 * 1 + errors
37 * 2 + warnings
38 * 3 + information
39 * 4 + more information
40 * 5 + program flow
41 * 6 + fdc/dma info
42 * 7 + data flow
43 * 8 + everything else
44 */
45 ft_trace_t ftape_tracing = ft_t_info; /* Default level: information and up */
46 int ftape_function_nest_level;
47
48 /* Local vars.
49 */
50 static __u8 trace_id;
51 static char spacing[] = "* ";
52
ftape_trace_call(const char * file,const char * name)53 void ftape_trace_call(const char *file, const char *name)
54 {
55 char *indent;
56
57 /* Since printk seems not to work with "%*s" format
58 * we'll use this work-around.
59 */
60 if (ftape_function_nest_level < 0) {
61 printk(KERN_INFO "function nest level (%d) < 0\n",
62 ftape_function_nest_level);
63 ftape_function_nest_level = 0;
64 }
65 if (ftape_function_nest_level < sizeof(spacing)) {
66 indent = (spacing +
67 sizeof(spacing) - 1 -
68 ftape_function_nest_level);
69 } else {
70 indent = spacing;
71 }
72 printk(KERN_INFO "[%03d]%s+%s (%s)\n",
73 (int) trace_id++, indent, file, name);
74 }
75
ftape_trace_exit(const char * file,const char * name)76 void ftape_trace_exit(const char *file, const char *name)
77 {
78 char *indent;
79
80 /* Since printk seems not to work with "%*s" format
81 * we'll use this work-around.
82 */
83 if (ftape_function_nest_level < 0) {
84 printk(KERN_INFO "function nest level (%d) < 0\n", ftape_function_nest_level);
85 ftape_function_nest_level = 0;
86 }
87 if (ftape_function_nest_level < sizeof(spacing)) {
88 indent = (spacing +
89 sizeof(spacing) - 1 -
90 ftape_function_nest_level);
91 } else {
92 indent = spacing;
93 }
94 printk(KERN_INFO "[%03d]%s-%s (%s)\n",
95 (int) trace_id++, indent, file, name);
96 }
97
ftape_trace_log(const char * file,const char * function)98 void ftape_trace_log(const char *file, const char *function)
99 {
100 char *indent;
101
102 /* Since printk seems not to work with "%*s" format
103 * we'll use this work-around.
104 */
105 if (ftape_function_nest_level < 0) {
106 printk(KERN_INFO "function nest level (%d) < 0\n", ftape_function_nest_level);
107 ftape_function_nest_level = 0;
108 }
109 if (ftape_function_nest_level < sizeof(spacing)) {
110 indent = (spacing +
111 sizeof(spacing) - 1 -
112 ftape_function_nest_level);
113 } else {
114 indent = spacing;
115 }
116 printk(KERN_INFO "[%03d]%s%s (%s) - ",
117 (int) trace_id++, indent, file, function);
118 }
119