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 struct abort_msg_t { 56 size_t size; 57 char msg[0]; 58 }; 59 60 __LIBC_HIDDEN__ void __libc_set_abort_message(const char* msg); 61 62 // 63 // Formats a message to the log (priority 'fatal'), then aborts. 64 // 65 66 __LIBC_HIDDEN__ __noreturn void __libc_fatal(const char* format, ...) 67 __printflike(1, 2); 68 69 // 70 // Formats a message to the log (priority 'fatal'), but doesn't abort. 71 // Used by the malloc implementation to ensure that debuggerd dumps memory 72 // around the bad address. 73 // 74 75 __LIBC_HIDDEN__ void __libc_fatal_no_abort(const char* format, ...) 76 __printflike(1, 2); 77 78 // 79 // Formatting routines for the C library's internal debugging. 80 // Unlike the usual alternatives, these don't allocate. 81 // 82 83 __LIBC_HIDDEN__ int __libc_format_buffer(char* buffer, size_t buffer_size, const char* format, ...) 84 __printflike(3, 4); 85 86 __LIBC_HIDDEN__ int __libc_format_fd(int fd, const char* format, ...) 87 __printflike(2, 3); 88 89 __LIBC_HIDDEN__ int __libc_format_log(int priority, const char* tag, const char* format, ...) 90 __printflike(3, 4); 91 92 __LIBC_HIDDEN__ int __libc_format_log_va_list(int priority, const char* tag, const char* format, 93 va_list ap); 94 95 // 96 // Event logging. 97 // 98 99 __LIBC_HIDDEN__ void __libc_android_log_event_int(int32_t tag, int value); 100 __LIBC_HIDDEN__ void __libc_android_log_event_uid(int32_t tag); 101 102 __LIBC_HIDDEN__ __noreturn void __fortify_chk_fail(const char* msg, uint32_t event_tag); 103 104 __END_DECLS 105 106 #endif 107