1 //===------------------------- abort_message.cpp --------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include <stdlib.h> 11 #include <stdio.h> 12 #include <stdarg.h> 13 #include "abort_message.h" 14 15 #ifdef __BIONIC__ 16 #include <android/api-level.h> 17 #if __ANDROID_API__ >= 21 18 #include <syslog.h> 19 extern "C" void android_set_abort_message(const char* msg); 20 #else 21 #include <assert.h> 22 #endif // __ANDROID_API__ >= 21 23 #endif // __BIONIC__ 24 25 #pragma GCC visibility push(hidden) 26 27 #ifdef __APPLE__ 28 # if defined(__has_include) && __has_include(<CrashReporterClient.h>) 29 # define HAVE_CRASHREPORTERCLIENT_H 30 # include <CrashReporterClient.h> 31 # endif 32 #endif 33 34 __attribute__((visibility("hidden"), noreturn)) 35 void abort_message(const char* format, ...) 36 { 37 // write message to stderr 38 #ifdef __APPLE__ 39 fprintf(stderr, "libc++abi.dylib: "); 40 #endif 41 va_list list; 42 va_start(list, format); 43 vfprintf(stderr, format, list); 44 va_end(list); 45 fprintf(stderr, "\n"); 46 47 #if defined(__APPLE__) && defined(HAVE_CRASHREPORTERCLIENT_H) 48 // record message in crash report 49 char* buffer; 50 va_list list2; 51 va_start(list2, format); 52 vasprintf(&buffer, format, list2); 53 va_end(list2); 54 CRSetCrashLogMessage(buffer); 55 #elif defined(__BIONIC__) 56 char* buffer; 57 va_list list2; 58 va_start(list2, format); 59 vasprintf(&buffer, format, list2); 60 va_end(list2); 61 62 #if __ANDROID_API__ >= 21 63 // Show error in tombstone. 64 android_set_abort_message(buffer); 65 66 // Show error in logcat. 67 openlog("libc++abi", 0, 0); 68 syslog(LOG_CRIT, "%s", buffer); 69 closelog(); 70 #else 71 // The good error reporting wasn't available in Android until L. Since we're 72 // about to abort anyway, just call __assert2, which will log _somewhere_ 73 // (tombstone and/or logcat) in older releases. 74 __assert2(__FILE__, __LINE__, __func__, buffer); 75 #endif // __ANDROID_API__ >= 21 76 #endif // __BIONIC__ 77 78 abort(); 79 } 80 81 #pragma GCC visibility pop 82
