File size: 2,421 Bytes
8ae5fc5 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 | //===------------------------- abort_message.cpp --------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include "abort_message.h"
#ifdef __BIONIC__
# include <android/api-level.h>
# if __ANDROID_API__ >= 21
# include <syslog.h>
extern "C" void android_set_abort_message(const char* msg);
# else
# include <assert.h>
# endif // __ANDROID_API__ >= 21
#endif // __BIONIC__
#if defined(__APPLE__) && __has_include(<CrashReporterClient.h>)
# include <CrashReporterClient.h>
# define _LIBCXXABI_USE_CRASHREPORTER_CLIENT
#endif
void abort_message(const char* format, ...)
{
// Write message to stderr. We do this before formatting into a
// variable-size buffer so that we still get some information if
// formatting into the variable-sized buffer fails.
#if !defined(NDEBUG) || !defined(LIBCXXABI_BAREMETAL)
{
fprintf(stderr, "libc++abi: ");
va_list list;
va_start(list, format);
vfprintf(stderr, format, list);
va_end(list);
fprintf(stderr, "\n");
}
#endif
// Format the arguments into an allocated buffer. We leak the buffer on
// purpose, since we're about to abort() anyway.
#if defined(_LIBCXXABI_USE_CRASHREPORTER_CLIENT)
char* buffer;
va_list list;
va_start(list, format);
vasprintf(&buffer, format, list);
va_end(list);
CRSetCrashLogMessage(buffer);
#elif defined(__BIONIC__)
char* buffer;
va_list list;
va_start(list, format);
vasprintf(&buffer, format, list);
va_end(list);
# if __ANDROID_API__ >= 21
// Show error in tombstone.
android_set_abort_message(buffer);
// Show error in logcat.
openlog("libc++abi", 0, 0);
syslog(LOG_CRIT, "%s", buffer);
closelog();
# else
// The good error reporting wasn't available in Android until L. Since we're
// about to abort anyway, just call __assert2, which will log _somewhere_
// (tombstone and/or logcat) in older releases.
__assert2(__FILE__, __LINE__, __func__, buffer);
# endif // __ANDROID_API__ >= 21
#endif // __BIONIC__
abort();
}
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