1 // Clang doesn't support exceptions on Windows yet, so for the time being we 2 // build this program in two parts: the code with exceptions is built with CL, 3 // the rest is built with Clang. This represents the typical scenario when we 4 // build a large project using "clang-cl -fallback -fsanitize=address". 5 // 6 // RUN: cl -c %s -Fo%t.obj 7 // RUN: %clangxx_asan -o %t.exe %s %t.obj 8 // RUN: %run %t.exe 9 10 #include <assert.h> 11 #include <stdio.h> 12 13 // Should just "#include <sanitizer/asan_interface.h>" when C++ exceptions are 14 // supported and we don't need to use CL. 15 extern "C" bool __asan_address_is_poisoned(void *p); 16 17 void ThrowAndCatch(); 18 void TestThrowInline(); 19 20 #if !defined(__clang__) 21 __declspec(noinline) 22 void Throw() { 23 int local; 24 fprintf(stderr, "Throw: %p\n", &local); 25 throw 1; 26 } 27 28 __declspec(noinline) 29 void ThrowAndCatch() { 30 int local; 31 try { 32 Throw(); 33 } catch(...) { 34 fprintf(stderr, "Catch: %p\n", &local); 35 } 36 } 37 38 void TestThrowInline() { 39 char x[32]; 40 fprintf(stderr, "Before: %p poisoned: %d\n", &x, 41 __asan_address_is_poisoned(x + 32)); 42 try { 43 Throw(); 44 } catch(...) { 45 fprintf(stderr, "Catch\n"); 46 } 47 fprintf(stderr, "After: %p poisoned: %d\n", &x, 48 __asan_address_is_poisoned(x + 32)); 49 // FIXME: Invert this assertion once we fix 50 // https://code.google.com/p/address-sanitizer/issues/detail?id=258 51 assert(!__asan_address_is_poisoned(x + 32)); 52 } 53 54 #else 55 56 void TestThrow() { 57 char x[32]; 58 fprintf(stderr, "Before: %p poisoned: %d\n", &x, 59 __asan_address_is_poisoned(x + 32)); 60 assert(__asan_address_is_poisoned(x + 32)); 61 ThrowAndCatch(); 62 fprintf(stderr, "After: %p poisoned: %d\n", &x, 63 __asan_address_is_poisoned(x + 32)); 64 // FIXME: Invert this assertion once we fix 65 // https://code.google.com/p/address-sanitizer/issues/detail?id=258 66 assert(!__asan_address_is_poisoned(x + 32)); 67 } 68 69 int main(int argc, char **argv) { 70 TestThrowInline(); 71 TestThrow(); 72 } 73 #endif 74
