| // Test the handle_sigill option. |
| // |
| // RUN: %clangxx_asan %s -o %t && %env_asan_opts=handle_sigill=0 not --crash %run %t 2>&1 | FileCheck %s --check-prefix=CHECK0 |
| // RUN: %clangxx_asan %s -o %t && %env_asan_opts=handle_sigill=1 not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK1 |
| // REQUIRES: x86-target-arch && (!MSVC || asan-32-bits) |
| |
| #ifdef _WIN32 |
| #include <windows.h> |
| #endif |
| |
| // note: test is limited to i386 only ("asan-32-bits") when using "real" MSVC |
| // see the requires clause above |
| #if defined(_MSC_VER) && !defined(__clang__) |
| # define __builtin_trap() __asm ud2; |
| #endif |
| |
| int main(int argc, char **argv) { |
| #ifdef _WIN32 |
| // Sometimes on Windows this test generates a WER fault dialog. Suppress that. |
| UINT new_flags = SEM_FAILCRITICALERRORS | |
| SEM_NOGPFAULTERRORBOX | |
| SEM_NOOPENFILEERRORBOX; |
| // Preserve existing error mode, as discussed at |
| // http://blogs.msdn.com/oldnewthing/archive/2004/07/27/198410.aspx |
| UINT existing_flags = SetErrorMode(new_flags); |
| SetErrorMode(existing_flags | new_flags); |
| #endif |
| |
| if (argc) |
| __builtin_trap(); |
| // Unreachable code to avoid confusing the Windows unwinder. |
| #ifdef _WIN32 |
| SetErrorMode(0); |
| #endif |
| } |
| // CHECK0-NOT: ERROR: AddressSanitizer |
| // CHECK1: ERROR: AddressSanitizer: {{ILL|illegal-instruction}} on unknown address {{0x0*}} |
