| //===--- InterceptTraps.cpp -----------------------------------------------===// |
| // |
| // This source file is part of the Swift.org open source project |
| // |
| // Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors |
| // Licensed under Apache License v2.0 with Runtime Library Exception |
| // |
| // See https://swift.org/LICENSE.txt for license information |
| // See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include <stdio.h> |
| #include <signal.h> |
| #include <string.h> |
| #include <unistd.h> |
| |
| #include "swift/Runtime/Config.h" |
| |
| static void CrashCatcher(int Sig) { |
| const char *Msg; |
| switch (Sig) { |
| case SIGILL: Msg = "CRASHED: SIGILL\n"; break; |
| case SIGTRAP: Msg = "CRASHED: SIGTRAP\n"; break; |
| case SIGABRT: Msg = "CRASHED: SIGABRT\n"; break; |
| case SIGFPE: Msg = "CRASHED: SIGFPE\n"; break; |
| case SIGBUS: Msg = "CRASHED: SIGBUS\n"; break; |
| case SIGSEGV: Msg = "CRASHED: SIGSEGV\n"; break; |
| case SIGSYS: Msg = "CRASHED: SIGSYS\n"; break; |
| default: Msg = "CRASHED: SIG????\n"; break; |
| } |
| write(STDERR_FILENO, Msg, strlen(Msg)); |
| _exit(0); |
| } |
| |
| SWIFT_CC(swift) SWIFT_RUNTIME_LIBRARY_VISIBILITY extern "C" |
| void installTrapInterceptor() { |
| // Disable buffering on stdout so that everything is printed before crashing. |
| setbuf(stdout, 0); |
| |
| signal(SIGILL, CrashCatcher); |
| signal(SIGTRAP, CrashCatcher); |
| signal(SIGABRT, CrashCatcher); |
| signal(SIGFPE, CrashCatcher); |
| signal(SIGBUS, CrashCatcher); |
| signal(SIGSEGV, CrashCatcher); |
| signal(SIGSYS, CrashCatcher); |
| } |
| |