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))
abort_message(const char * format,...)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