1// RUN: %clang_cl_asan -LD -O0 -DDLL %s -Fe%t.dll
2// RUN: %clang_cl_asan -O0 -DEXE %s %t.lib -Fe%te.exe
3// RUN: %env_asan_opts=report_globals=2 %run %te.exe 2>&1 | FileCheck %s
4
5// FIXME: Currently, the MT runtime build crashes on startup due to dbghelp.dll
6// initialization failure.
7// REQUIRES: asan-dynamic-runtime
8
9#include <windows.h>
10#include <stdio.h>
11
12extern "C" {
13#if defined(EXE)
14__declspec(dllimport) int foo_from_dll();
15
16// CHECK: in DLL(reason=1)
17int main(int argc, char **argv) {
18  foo_from_dll();
19// CHECK: hello!
20  printf("hello!\n");
21  fflush(0);
22// CHECK: in DLL(reason=0)
23}
24#elif defined(DLL)
25// This global is registered at startup.
26int x[42];
27
28__declspec(dllexport) int foo_from_dll() {
29  return x[2];
30}
31
32BOOL WINAPI DllMain(HMODULE, DWORD reason, LPVOID) {
33  printf("in DLL(reason=%d)\n", (int)reason);
34  fflush(0);
35  return TRUE;
36}
37#else
38# error oops!
39#endif
40}
41