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92a42be0 SL |
1 | // RUN: %clang_cl_asan -O0 %p/dll_host.cc -Fe%t |
2 | // | |
3 | // Check both -GS and -GS- builds: | |
5bcae85e | 4 | // RUN: %clang_cl_asan -GS -LD -O0 %s -Fe%t.dll |
92a42be0 SL |
5 | // RUN: %run %t %t.dll |
6 | // | |
5bcae85e | 7 | // RUN: %clang_cl_asan -GS- -LD -O0 %s -Fe%t.dll |
92a42be0 SL |
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 | ||
92a42be0 SL |
20 | __declspec(noinline) |
21 | void Throw() { | |
22 | int local, zero = 0; | |
23 | fprintf(stderr, "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 | } | |
92a42be0 SL |
36 | |
37 | extern "C" __declspec(dllexport) | |
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 | } |