| 1 | // RUN: %clang_cl_asan %Od %s %Fe%t |
| 2 | // RUN: env ASAN_OPTIONS=handle_segv=0 %run %t 2>&1 | FileCheck %s --check-prefix=USER |
| 3 | // RUN: env ASAN_OPTIONS=handle_segv=1 not %run %t 2>&1 | FileCheck %s --check-prefix=ASAN |
| 4 | // Test the default. |
| 5 | // RUN: not %run %t 2>&1 | FileCheck %s --check-prefix=ASAN |
| 6 | |
| 7 | // This test exits zero when its unhandled exception filter is set. ASan should |
| 8 | // not disturb it when handle_segv=0. |
| 9 | |
| 10 | // USER: in main |
| 11 | // USER: in SEHHandler |
| 12 | |
| 13 | // ASAN: in main |
| 14 | // ASAN: ERROR: AddressSanitizer: access-violation |
| 15 | |
| 16 | #include <windows.h> |
| 17 | #include <stdio.h> |
| 18 | |
| 19 | static long WINAPI SEHHandler(EXCEPTION_POINTERS *info) { |
| 20 | DWORD exception_code = info->ExceptionRecord->ExceptionCode; |
| 21 | if (exception_code == EXCEPTION_ACCESS_VIOLATION) { |
| 22 | fprintf(stderr, "in SEHHandler\n" ); |
| 23 | fflush(stderr); |
| 24 | TerminateProcess(GetCurrentProcess(), 0); |
| 25 | } |
| 26 | return EXCEPTION_CONTINUE_SEARCH; |
| 27 | } |
| 28 | |
| 29 | int main() { |
| 30 | SetUnhandledExceptionFilter(SEHHandler); |
| 31 | fprintf(stderr, format: "in main\n" ); |
| 32 | fflush(stderr); |
| 33 | |
| 34 | volatile int *p = nullptr; |
| 35 | *p = 42; |
| 36 | } |
| 37 | |