1 // RUN: %clang_cl_asan -Od %p/dll_host.cpp -Fe%t
2 //
3 // Check both -GS and -GS- builds:
4 // RUN: %clang_cl_asan -GS -LD -Od %s -Fe%t.dll
5 // RUN: %run %t %t.dll
6 //
7 // RUN: %clang_cl_asan -GS- -LD -Od %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.
16 extern "C" bool __asan_address_is_poisoned(void *p);
17
18 void ThrowAndCatch();
19
20 __declspec(noinline)
Throw()21 void Throw() {
22 int local, zero = 0;
23 fprintf(stderr, "Throw: %p\n", &local);
24 local = 5 / zero;
25 }
26
27 __declspec(noinline)
ThrowAndCatch()28 void ThrowAndCatch() {
29 int local;
30 __try {
31 Throw();
32 } __except(EXCEPTION_EXECUTE_HANDLER) {
33 fprintf(stderr, "__except: %p\n", &local);
34 }
35 }
36
37 extern "C" __declspec(dllexport)
test_function()38 int 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