compiler-rt/test/asan/TestCases/Windows/msvc/coverage-dll-stdio.cpp

   1 // Test that coverage and MSVC CRT stdio work from a DLL. This ensures that the
   2 // __local_stdio_printf_options function isn't instrumented for coverage.
   3
   4 // RUN: rm -rf %t && mkdir %t && cd %t
   5 // RUN: %clang_cl_asan -fsanitize-coverage=func,trace-pc-guard -Od %p/../dll_host.cpp -Fet.exe
   6 // RUN: %clang_cl_asan -fsanitize-coverage=func,trace-pc-guard -LD -Od %s -Fet.dll
   7 // RUN: %run ./t.exe t.dll 2>&1 | FileCheck %s
   8
   9 #include <stdio.h>
  10
  11 extern "C" __declspec(dllexport)
  12 int test_function() {
  13   printf("hello world\n");
  14   // CHECK: hello world
  15   return 0;
  16 }