111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert//===------------------------- abort_message.cpp --------------------------===// 211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// 311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// The LLVM Compiler Infrastructure 411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// 511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// This file is dual licensed under the MIT and the University of Illinois Open 611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// Source Licenses. See LICENSE.TXT for details. 711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// 811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert//===----------------------------------------------------------------------===// 911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <stdlib.h> 1111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <stdio.h> 1211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <stdarg.h> 1311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include "abort_message.h" 1411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#ifdef __BIONIC__ 1611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <android/api-level.h> 1711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#if __ANDROID_API__ >= 21 1811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <syslog.h> 1911cd02dfb91661c65134cac258cf5924270e9d2Dan Albertextern "C" void android_set_abort_message(const char* msg); 2011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#else 2111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <assert.h> 2211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#endif // __ANDROID_API__ >= 21 2311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#endif // __BIONIC__ 2411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 2511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#pragma GCC visibility push(hidden) 2611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 2711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#ifdef __APPLE__ 2811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert# if defined(__has_include) && __has_include(<CrashReporterClient.h>) 2911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert# define HAVE_CRASHREPORTERCLIENT_H 3011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert# include <CrashReporterClient.h> 3111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert# endif 3211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#endif 3311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 3411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert__attribute__((visibility("hidden"), noreturn)) 3511cd02dfb91661c65134cac258cf5924270e9d2Dan Albertvoid abort_message(const char* format, ...) 3611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert{ 3711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert // write message to stderr 3811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#ifdef __APPLE__ 3911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert fprintf(stderr, "libc++abi.dylib: "); 4011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#endif 4111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert va_list list; 4211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert va_start(list, format); 4311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert vfprintf(stderr, format, list); 4411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert va_end(list); 4511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert fprintf(stderr, "\n"); 4611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 4711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#if defined(__APPLE__) && defined(HAVE_CRASHREPORTERCLIENT_H) 4811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert // record message in crash report 4911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert char* buffer; 5011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert va_list list2; 5111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert va_start(list2, format); 5211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert vasprintf(&buffer, format, list2); 5311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert va_end(list2); 5411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert CRSetCrashLogMessage(buffer); 5511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#elif defined(__BIONIC__) 5611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert char* buffer; 5711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert va_list list2; 5811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert va_start(list2, format); 5911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert vasprintf(&buffer, format, list2); 6011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert va_end(list2); 6111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 6211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#if __ANDROID_API__ >= 21 6311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert // Show error in tombstone. 6411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert android_set_abort_message(buffer); 6511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 6611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert // Show error in logcat. 6711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert openlog("libc++abi", 0, 0); 6811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert syslog(LOG_CRIT, "%s", buffer); 6911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert closelog(); 7011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#else 7111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert // The good error reporting wasn't available in Android until L. Since we're 7211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert // about to abort anyway, just call __assert2, which will log _somewhere_ 7311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert // (tombstone and/or logcat) in older releases. 7411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert __assert2(__FILE__, __LINE__, __func__, buffer); 7511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#endif // __ANDROID_API__ >= 21 7611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#endif // __BIONIC__ 7711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 7811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert abort(); 7911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert} 8011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 8111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#pragma GCC visibility pop 82