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 41 constexpr const uint32_t kLogErrors = 1 << 0; 42 constexpr const uint32_t kLogDlopen = 1 << 1; 43 constexpr const uint32_t kLogDlsym = 1 << 2; 44 45 class LinkerLogger { 46 public: LinkerLogger()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 57 extern LinkerLogger g_linker_logger; 58 extern 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. 62 extern bool g_greylist_disabled; 63