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. 22extern "C" bool __asan_address_is_poisoned(void *p); 23 24void ThrowAndCatch(); 25 26#if defined(COMPILE_SEH) 27__declspec(noinline) 28void Throw() { 29 int local, zero = 0; 30 fprintf(stderr, "Throw: %p\n", &local); 31 local = 5 / zero; 32} 33 34__declspec(noinline) 35void 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__) 46int 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