1// Clang doesn't support SEH on Windows yet, so for the time being we
2// build this program in two parts: the code with SEH is built with CL,
3// the rest is built with Clang.  This represents the typical scenario when we
4// build a large project using "clang-cl -fallback -fsanitize=address".
5//
6// RUN: %clang_cl_asan -O0 %p/dll_host.cc -Fe%t
7//
8// Check both -GS and -GS- builds:
9// RUN: cl -LD -c %s -Fo%t.obj
10// RUN: %clang_cl_asan -LD -O0 %s -Fe%t.dll %t.obj
11// RUN: %run %t %t.dll
12//
13// RUN: cl -LD -GS- -c %s -Fo%t.obj
14// RUN: %clang_cl_asan -LD -O0 %s -Fe%t.dll %t.obj
15// RUN: %run %t %t.dll
16
17#include <windows.h>
18#include <assert.h>
19#include <stdio.h>
20
21// Should just "#include <sanitizer/asan_interface.h>" when C++ exceptions are
22// supported and we don't need to use CL.
23extern "C" bool __asan_address_is_poisoned(void *p);
24
25void ThrowAndCatch();
26
27#if !defined(__clang__)
28__declspec(noinline)
29void Throw() {
30  int local, zero = 0;
31  fprintf(stderr, "Throw:  %p\n", &local);
32  local = 5 / zero;
33}
34
35__declspec(noinline)
36void ThrowAndCatch() {
37  int local;
38  __try {
39    Throw();
40  } __except(EXCEPTION_EXECUTE_HANDLER) {
41    fprintf(stderr, "__except:  %p\n", &local);
42  }
43}
44#else
45
46extern "C" __declspec(dllexport)
47int test_function() {
48  char x[32];
49  fprintf(stderr, "Before: %p poisoned: %d\n", &x,
50          __asan_address_is_poisoned(x + 32));
51  assert(__asan_address_is_poisoned(x + 32));
52  ThrowAndCatch();
53  fprintf(stderr, "After:  %p poisoned: %d\n",  &x,
54          __asan_address_is_poisoned(x + 32));
55  // FIXME: Invert this assertion once we fix
56  // https://code.google.com/p/address-sanitizer/issues/detail?id=258
57  assert(!__asan_address_is_poisoned(x + 32));
58  return 0;
59}
60#endif
61