linker_debug.h revision 9c94fc9fbefe55836c1e1b949850f7726e64c118 
1/*
2 * Copyright (C) 2008-2010 The Android Open Source Project
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *  * Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 *  * Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in
12 *    the documentation and/or other materials provided with the
13 *    distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#ifndef _LINKER_DEBUG_H_
30#define _LINKER_DEBUG_H_
31
32#include <stdio.h>
33
34/* set LINKER_DEBUG_TO_LOG to 1 to send the logs to logcat,
35 * or 0 to use stdout instead.
36 */
37#define LINKER_DEBUG_TO_LOG  1
38#define TRACE_DEBUG          1
39#define DO_TRACE_LOOKUP      1
40#define DO_TRACE_RELO        1
41#define TIMING               0
42#define STATS                0
43#define COUNT_PAGES          0
44
45/*********************************************************************
46 * You shouldn't need to modify anything below unless you are adding
47 * more debugging information.
48 *
49 * To enable/disable specific debug options, change the defines above
50 *********************************************************************/
51
52
53/*********************************************************************/
54
55#include "linker_format.h"
56
57#if LINKER_DEBUG_TO_LOG
58extern int format_log(int, const char*, const char*, ...) __attribute__((__format__(printf, 3, 4)));
59#define _PRINTVF(v,x...)                                        \
60    do {                                                          \
61        if (debug_verbosity > (v)) format_log(5-(v),"linker",x);  \
62    } while (0)
63#else /* !LINKER_DEBUG_TO_LOG */
64extern int format_fd(int, const char *, ...) __attribute__((__format__(printf, 2, 3)));
65#define _PRINTVF(v,x...)                           \
66    do {                                             \
67        if (debug_verbosity > (v)) format_fd(1, x);  \
68    } while (0)
69#endif /* !LINKER_DEBUG_TO_LOG */
70
71#define PRINT(x...)          _PRINTVF(-1, x)
72#define INFO(x...)           _PRINTVF(0, x)
73#define TRACE(x...)          _PRINTVF(1, x)
74
75#if TRACE_DEBUG
76#define DEBUG(x...)          _PRINTVF(2, "DEBUG: " x)
77#else /* !TRACE_DEBUG */
78#define DEBUG(x...)          do {} while (0)
79#endif /* TRACE_DEBUG */
80
81#define TRACE_TYPE(t,x...)   do { if (DO_TRACE_##t) { TRACE(x); } } while (0)
82
83#endif /* _LINKER_DEBUG_H_ */
84