1// RUN: %clang_cl_asan -O0 %p/dll_host.cc -Fe%t 2// 3// Check both -GS and -GS- builds: 4// RUN: %clang_cl_asan -LD -O0 %s -Fe%t.dll 5// RUN: %run %t %t.dll 6// 7// RUN: %clang_cl_asan -LD -O0 %s -Fe%t.dll 8// RUN: %run %t %t.dll 9 10#include <windows.h> 11#include <assert.h> 12#include <stdio.h> 13 14// Should just "#include <sanitizer/asan_interface.h>" when C++ exceptions are 15// supported and we don't need to use CL. 16extern "C" bool __asan_address_is_poisoned(void *p); 17 18void ThrowAndCatch(); 19 20__declspec(noinline) 21void Throw() { 22 int local, zero = 0; 23 fprintf(stderr, "Throw: %p\n", &local); 24 local = 5 / zero; 25} 26 27__declspec(noinline) 28void ThrowAndCatch() { 29 int local; 30 __try { 31 Throw(); 32 } __except(EXCEPTION_EXECUTE_HANDLER) { 33 fprintf(stderr, "__except: %p\n", &local); 34 } 35} 36 37extern "C" __declspec(dllexport) 38int test_function() { 39 char x[32]; 40 fprintf(stderr, "Before: %p poisoned: %d\n", &x, 41 __asan_address_is_poisoned(x + 32)); 42 assert(__asan_address_is_poisoned(x + 32)); 43 ThrowAndCatch(); 44 fprintf(stderr, "After: %p poisoned: %d\n", &x, 45 __asan_address_is_poisoned(x + 32)); 46 // FIXME: Invert this assertion once we fix 47 // https://code.google.com/p/address-sanitizer/issues/detail?id=258 48 assert(!__asan_address_is_poisoned(x + 32)); 49 return 0; 50} 51