| 1 | // Make sure that ASan works with SEH in both Clang and MSVC. MSVC uses a |
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| 2 | // different EH personality depending on the -GS setting, so test both -GS+ and |
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| 3 | // -GS-. |
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| 4 | // |
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| 5 | // RUN: cl /EHa %MD -c %s -Fo%t.obj -DCOMPILE_SEH |
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| 6 | // RUN: %clangxx_asan -o %t.exe %s %t.obj -DCOMPILE_MAIN |
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| 7 | // RUN: %run %t.exe |
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| 8 | // |
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| 9 | // RUN: cl /EHa %MD -GS- -c %s -Fo%t.obj -DCOMPILE_SEH |
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| 10 | // RUN: %clangxx_asan -o %t.exe %s %t.obj -DCOMPILE_MAIN |
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| 11 | // RUN: %run %t.exe |
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| 12 | // |
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| 13 | // RUN: %clang_cl_asan /EHa %MD %s -DCOMPILE_SEH -Fe%t.exe -DCOMPILE_MAIN |
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| 14 | // RUN: %run %t.exe |
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| 15 | |
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| 16 | #include <windows.h> |
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| 17 | #include <assert.h> |
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| 18 | #include <stdio.h> |
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| 19 | |
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| 20 | // Should just "#include <sanitizer/asan_interface.h>" when C++ exceptions are |
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| 21 | // supported and we don't need to use CL. |
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| 22 | extern "C" bool __asan_address_is_poisoned(void *p); |
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| 23 | |
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| 24 | void ThrowAndCatch(); |
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| 25 | |
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| 26 | #if defined(COMPILE_SEH) |
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| 27 | __declspec(noinline) |
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| 28 | void Throw() { |
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| 29 | int local, zero = 0; |
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| 30 | fprintf(stderr, "Throw: %p\n" , &local); |
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| 31 | local = 5 / zero; |
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| 32 | } |
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| 33 | |
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| 34 | __declspec(noinline) |
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| 35 | void ThrowAndCatch() { |
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| 36 | int local; |
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| 37 | __try { |
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| 38 | Throw(); |
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| 39 | } __except(EXCEPTION_EXECUTE_HANDLER) { |
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| 40 | fprintf(stderr, "__except: %p\n" , &local); |
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| 41 | } |
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| 42 | } |
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| 43 | #endif |
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| 44 | |
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| 45 | #if defined(COMPILE_MAIN) |
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| 46 | int main() { |
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| 47 | char x[32]; |
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| 48 | fprintf(stderr, "Before: %p poisoned: %d\n" , &x, |
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| 49 | __asan_address_is_poisoned(x + 32)); |
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| 50 | assert(__asan_address_is_poisoned(x + 32)); |
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| 51 | ThrowAndCatch(); |
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| 52 | fprintf(stderr, "After: %p poisoned: %d\n" , &x, |
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| 53 | __asan_address_is_poisoned(x + 32)); |
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| 54 | // FIXME: Invert this assertion once we fix |
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| 55 | // https://code.google.com/p/address-sanitizer/issues/detail?id=258 |
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| 56 | assert(!__asan_address_is_poisoned(x + 32)); |
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| 57 | } |
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| 58 | #endif |
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| 59 | |
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