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) |
21 | void Throw() { |
22 | int local, zero = 0; |
23 | fprintf(stderr, format: "Throw: %p\n" , &local); |
24 | local = 5 / zero; |
25 | } |
26 | |
27 | __declspec(noinline) |
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) |
38 | int test_function() { |
39 | char x[32]; |
40 | fprintf(stderr, format: "Before: %p poisoned: %d\n" , &x, |
41 | __asan_address_is_poisoned(p: x + 32)); |
42 | assert(__asan_address_is_poisoned(x + 32)); |
43 | ThrowAndCatch(); |
44 | fprintf(stderr, format: "After: %p poisoned: %d\n" , &x, |
45 | __asan_address_is_poisoned(p: 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 | |