1/*
2 * Copyright (C) 2016 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#pragma once
30
31#include <stdlib.h>
32#include <limits.h>
33#include "private/bionic_macros.h"
34#include "private/bionic_systrace.h"
35
36#define LD_LOG(type, x...) \
37  { \
38    g_linker_logger.Log(type, x); \
39  }
40
41constexpr const uint32_t kLogErrors = 1 << 0;
42constexpr const uint32_t kLogDlopen = 1 << 1;
43constexpr const uint32_t kLogDlsym  = 1 << 2;
44
45class LinkerLogger {
46 public:
47  LinkerLogger() : flags_(0) { }
48
49  void ResetState();
50  void Log(uint32_t type, const char* format, ...);
51 private:
52  uint32_t flags_;
53
54  DISALLOW_COPY_AND_ASSIGN(LinkerLogger);
55};
56
57extern LinkerLogger g_linker_logger;
58extern char** g_argv;
59
60// If the system property debug.ld.greylist_disabled is true, we'll not use the greylist
61// regardless of API level.
62extern bool g_greylist_disabled;
63