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 #ifndef _LINKER_LOGGER_H_ 30 #define _LINKER_LOGGER_H_ 31 32 #include <stdlib.h> 33 #include <limits.h> 34 #include "private/bionic_macros.h" 35 #include "private/bionic_systrace.h" 36 37 #define LD_LOG(type, x...) \ 38 { \ 39 g_linker_logger.Log(type, x); \ 40 } 41 42 constexpr const uint32_t kLogErrors = 1 << 0; 43 constexpr const uint32_t kLogDlopen = 1 << 1; 44 constexpr const uint32_t kLogDlsym = 1 << 2; 45 46 class LinkerLogger { 47 public: LinkerLogger()48 LinkerLogger() : flags_(0) { } 49 50 void ResetState(); 51 void Log(uint32_t type, const char* format, ...); 52 private: 53 uint32_t flags_; 54 55 DISALLOW_COPY_AND_ASSIGN(LinkerLogger); 56 }; 57 58 extern LinkerLogger g_linker_logger; 59 extern char** g_argv; 60 61 // If the system property debug.ld.greylist_disabled is true, we'll not use the greylist 62 // regardless of API level. 63 extern bool g_greylist_disabled; 64 65 #endif /* _LINKER_LOGGER_H_ */ 66