1 // Make sure that ASan works with SEH in both Clang and MSVC. MSVC uses a 2 // different EH personality depending on the -GS setting, so test both -GS+ and 3 // -GS-. 4 // 5 // RUN: cl -c %s -Fo%t.obj -DCOMPILE_SEH 6 // RUN: %clangxx_asan -o %t.exe %s %t.obj 7 // RUN: %run %t.exe 8 // 9 // RUN: cl -GS- -c %s -Fo%t.obj -DCOMPILE_SEH 10 // RUN: %clangxx_asan -o %t.exe %s %t.obj 11 // RUN: %run %t.exe 12 // 13 // RUN: %clang_cl_asan %s -DCOMPILE_SEH -Fe%t.exe 14 // RUN: %run %t.exe 15 16 #include <windows.h> 17 #include <assert.h> 18 #include <stdio.h> 19 20 // Should just "#include <sanitizer/asan_interface.h>" when C++ exceptions are 21 // supported and we don't need to use CL. 22 extern "C" bool __asan_address_is_poisoned(void *p); 23 24 void ThrowAndCatch(); 25 26 #if defined(COMPILE_SEH) 27 __declspec(noinline) 28 void Throw() { 29 int local, zero = 0; 30 fprintf(stderr, "Throw: %p\n", &local); 31 local = 5 / zero; 32 } 33 34 __declspec(noinline) 35 void ThrowAndCatch() { 36 int local; 37 __try { 38 Throw(); 39 } __except(EXCEPTION_EXECUTE_HANDLER) { 40 fprintf(stderr, "__except: %p\n", &local); 41 } 42 } 43 #endif 44 45 #if defined(__clang__) 46 int main() { 47 char x[32]; 48 fprintf(stderr, "Before: %p poisoned: %d\n", &x, 49 __asan_address_is_poisoned(x + 32)); 50 assert(__asan_address_is_poisoned(x + 32)); 51 ThrowAndCatch(); 52 fprintf(stderr, "After: %p poisoned: %d\n", &x, 53 __asan_address_is_poisoned(x + 32)); 54 // FIXME: Invert this assertion once we fix 55 // https://code.google.com/p/address-sanitizer/issues/detail?id=258 56 assert(!__asan_address_is_poisoned(x + 32)); 57 } 58 #endif 59
