1 // Checks that on OS X 10.11+ dlopen'ing a RTsanified library from a 2 // non-instrumented program exits with a user-friendly message. 3 4 // REQUIRES: osx-autointerception 5 6 // XFAIL: ios 7 8 // RUN: %clangxx -fsanitize=realtime %s -o %t.so -shared -DSHARED_LIB 9 // RUN: %clangxx %s -o %t 10 11 // RUN: RTSAN_DYLIB_PATH=`%clangxx -fsanitize=realtime %s -### 2>&1 \ 12 // RUN: | grep "libclang_rt.rtsan_osx_dynamic.dylib" \ 13 // RUN: | sed -e 's/.*"\(.*libclang_rt.rtsan_osx_dynamic.dylib\)".*/\1/'` 14 15 // Launching a non-instrumented binary that dlopen's an instrumented library should fail. 16 // RUN: not %run %t %t.so 2>&1 | FileCheck %s --check-prefix=CHECK-FAIL 17 // Launching a non-instrumented binary with an explicit DYLD_INSERT_LIBRARIES should work. 18 // RUN: DYLD_INSERT_LIBRARIES=$RTSAN_DYLIB_PATH %run %t %t.so 2>&1 | FileCheck %s 19 20 // Launching an instrumented binary with the DYLD_INSERT_LIBRARIES env variable has no error 21 // RUN: %clangxx -fsanitize=realtime %s -o %t 22 // RUN: DYLD_INSERT_LIBRARIES=$RTSAN_DYLIB_PATH %run %t %t.so 2>&1 | FileCheck %s --check-prefix=CHECK-INSTRUMENTED 23 24 #include <dlfcn.h> 25 #include <stdio.h> 26 27 #if defined(SHARED_LIB) 28 extern "C" void foo() { fprintf(stderr, "Hello world.\n"); } 29 #else // defined(SHARED_LIB) 30 int main(int argc, char *argv[]) { 31 void *handle = dlopen(argv[1], RTLD_NOW); 32 void (*foo)() = (void (*)())dlsym(handle, "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 43 // CHECK-INSTRUMENTED-NOT: ERROR: Interceptors are not working 44 // CHECK-INSTRUMENTED: Hello world. 45