1 /* 2 * Copyright (C) 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 _LIBC_LOGGING_H 30 #define _LIBC_LOGGING_H 31 32 #include <sys/cdefs.h> 33 #include <stdarg.h> 34 #include <stddef.h> 35 #include <stdint.h> 36 37 __BEGIN_DECLS 38 39 #include "libc_events.h" 40 41 enum { 42 ANDROID_LOG_UNKNOWN = 0, 43 ANDROID_LOG_DEFAULT, /* only for SetMinPriority() */ 44 45 ANDROID_LOG_VERBOSE, 46 ANDROID_LOG_DEBUG, 47 ANDROID_LOG_INFO, 48 ANDROID_LOG_WARN, 49 ANDROID_LOG_ERROR, 50 ANDROID_LOG_FATAL, 51 52 ANDROID_LOG_SILENT, /* only for SetMinPriority(); must be last */ 53 }; 54 55 enum { 56 LOG_ID_MIN = 0, 57 58 LOG_ID_MAIN = 0, 59 LOG_ID_RADIO = 1, 60 LOG_ID_EVENTS = 2, 61 LOG_ID_SYSTEM = 3, 62 LOG_ID_CRASH = 4, 63 64 LOG_ID_MAX 65 }; 66 67 struct abort_msg_t { 68 size_t size; 69 char msg[0]; 70 }; 71 72 // 73 // Formats a message to the log (priority 'fatal'), then aborts. 74 // 75 76 __LIBC_HIDDEN__ __noreturn void __libc_fatal(const char* format, ...) __printflike(1, 2); 77 78 // 79 // Formats a message to the log (priority 'fatal'), but doesn't abort. 80 // Used by the malloc implementation to ensure that debuggerd dumps memory 81 // around the bad address. 82 // 83 84 __LIBC_HIDDEN__ void __libc_fatal_no_abort(const char* format, ...) 85 __printflike(1, 2); 86 87 // 88 // Formatting routines for the C library's internal debugging. 89 // Unlike the usual alternatives, these don't allocate, and they don't drag in all of stdio. 90 // 91 92 __LIBC_HIDDEN__ int __libc_format_buffer(char* buffer, size_t buffer_size, const char* format, ...) 93 __printflike(3, 4); 94 95 __LIBC_HIDDEN__ int __libc_format_fd(int fd, const char* format, ...) 96 __printflike(2, 3); 97 98 __LIBC_HIDDEN__ int __libc_format_log(int priority, const char* tag, const char* format, ...) 99 __printflike(3, 4); 100 101 __LIBC_HIDDEN__ int __libc_format_log_va_list(int priority, const char* tag, const char* format, 102 va_list ap); 103 104 __LIBC_HIDDEN__ int __libc_write_log(int priority, const char* tag, const char* msg); 105 106 // 107 // Event logging. 108 // 109 110 __LIBC_HIDDEN__ void __libc_android_log_event_int(int32_t tag, int value); 111 __LIBC_HIDDEN__ void __libc_android_log_event_uid(int32_t tag); 112 113 __LIBC_HIDDEN__ __noreturn void __fortify_chk_fail(const char* msg, uint32_t event_tag); 114 115 __END_DECLS 116 117 #endif 118