1 // Checks that on OS X 10.11+ (where we do not re-exec anymore, because 2 // interceptors work automatically), dlopen'ing a TSanified library from a 3 // non-instrumented program exits with a user-friendly message. 4 5 // REQUIRES: osx-autointerception 6 7 // RUN: %clangxx_tsan %s -o %t.so -shared -DSHARED_LIB 8 // RUN: %clangxx_tsan -fno-sanitize=thread %s -o %t 9 10 // RUN: TSAN_DYLIB_PATH=`%clangxx_tsan %s -### 2>&1 \ 11 // RUN: | grep "libclang_rt.tsan_osx_dynamic.dylib" \ 12 // RUN: | sed -e 's/.*"\(.*libclang_rt.tsan_osx_dynamic.dylib\)".*/\1/'` 13 14 // Launching a non-instrumented binary that dlopen's an instrumented library should fail. 15 // RUN: not %run %t %t.so 2>&1 | FileCheck %s --check-prefix=CHECK-FAIL 16 // Launching a non-instrumented binary with an explicit DYLD_INSERT_LIBRARIES should work. 17 // RUN: DYLD_INSERT_LIBRARIES=$TSAN_DYLIB_PATH %run %t %t.so 2>&1 | FileCheck %s 18 19 #include <dlfcn.h> 20 #include <pthread.h> 21 #include <stdio.h> 22 23 #if defined(SHARED_LIB) 24 extern "C" void foo() { 25 fprintf(stderr, "Hello world.\n"); 26 } 27 #else // defined(SHARED_LIB) 28 int main(int argc, char *argv[]) { 29 void *handle = dlopen(argv[1], RTLD_NOW); 30 fprintf(stderr, "handle = %p\n", handle); 31 void (*foo)() = (void (*)())dlsym(handle, "foo"); 32 fprintf(stderr, "foo = %p\n", foo); 33 foo(); 34 } 35 #endif // defined(SHARED_LIB) 36 37 // CHECK: Hello world. 38 // CHECK-NOT: ERROR: Interceptors are not working. 39 40 // CHECK-FAIL-NOT: Hello world. 41 // CHECK-FAIL: ERROR: Interceptors are not working. 42