1 // Clang doesn't support exceptions on Windows yet, so for the time being we
2 // build this program in two parts: the code with exceptions 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: cl -c %s -Fo%t.obj
7 // RUN: %clangxx_asan -o %t.exe %s %t.obj
8 // RUN: %run %t.exe
9
10 #include <assert.h>
11 #include <stdio.h>
12
13 // Should just "#include <sanitizer/asan_interface.h>" when C++ exceptions are
14 // supported and we don't need to use CL.
15 extern "C" bool __asan_address_is_poisoned(void *p);
16
17 void ThrowAndCatch();
18 void TestThrowInline();
19
20 #if !defined(__clang__)
21 __declspec(noinline)
Throw()22 void Throw() {
23 int local;
24 fprintf(stderr, "Throw: %p\n", &local);
25 throw 1;
26 }
27
28 __declspec(noinline)
ThrowAndCatch()29 void ThrowAndCatch() {
30 int local;
31 try {
32 Throw();
33 } catch(...) {
34 fprintf(stderr, "Catch: %p\n", &local);
35 }
36 }
37
TestThrowInline()38 void TestThrowInline() {
39 char x[32];
40 fprintf(stderr, "Before: %p poisoned: %d\n", &x,
41 __asan_address_is_poisoned(x + 32));
42 try {
43 Throw();
44 } catch(...) {
45 fprintf(stderr, "Catch\n");
46 }
47 fprintf(stderr, "After: %p poisoned: %d\n", &x,
48 __asan_address_is_poisoned(x + 32));
49 // FIXME: Invert this assertion once we fix
50 // https://code.google.com/p/address-sanitizer/issues/detail?id=258
51 assert(!__asan_address_is_poisoned(x + 32));
52 }
53
54 #else
55
TestThrow()56 void TestThrow() {
57 char x[32];
58 fprintf(stderr, "Before: %p poisoned: %d\n", &x,
59 __asan_address_is_poisoned(x + 32));
60 assert(__asan_address_is_poisoned(x + 32));
61 ThrowAndCatch();
62 fprintf(stderr, "After: %p poisoned: %d\n", &x,
63 __asan_address_is_poisoned(x + 32));
64 // FIXME: Invert this assertion once we fix
65 // https://code.google.com/p/address-sanitizer/issues/detail?id=258
66 assert(!__asan_address_is_poisoned(x + 32));
67 }
68
main(int argc,char ** argv)69 int main(int argc, char **argv) {
70 TestThrowInline();
71 TestThrow();
72 }
73 #endif
74