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.
16extern "C" bool __asan_address_is_poisoned(void *p);
17
18void ThrowAndCatch();
19
20__declspec(noinline)
21void Throw() {
22 int local, zero = 0;
23 fprintf(stderr, format: "Throw: %p\n", &local);
24 local = 5 / zero;
25}
26
27__declspec(noinline)
28void ThrowAndCatch() {
29 int local;
30 __try {
31 Throw();
32 } __except(EXCEPTION_EXECUTE_HANDLER) {
33 fprintf(stderr, "__except: %p\n", &local);
34 }
35}
36
37extern "C" __declspec(dllexport)
38int 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

source code of compiler-rt/test/asan/TestCases/Windows/msvc/dll_seh.cpp