// RUN: %clangxx_cfi_dso -DSHARED_LIB %s -fPIC -shared -o %dynamiclib %ld_flags_rpath_so // RUN: %clangxx_cfi_dso -g %s -o %t %ld_flags_rpath_exe // RUN: %t 2>&1 | FileCheck --check-prefix=CFI %s // RUN: %clangxx_cfi_dso -DB32 -DSHARED_LIB %s -fPIC -shared -o %dynamiclib %ld_flags_rpath_so // RUN: %clangxx_cfi_dso -DB32 %s -o %t %ld_flags_rpath_exe // RUN: %t 2>&1 | FileCheck --check-prefix=CFI %s // RUN: %clangxx_cfi_dso -DB64 -DSHARED_LIB %s -fPIC -shared -o %dynamiclib %ld_flags_rpath_so // RUN: %clangxx_cfi_dso -DB64 %s -o %t %ld_flags_rpath_exe // RUN: %t 2>&1 | FileCheck --check-prefix=CFI %s // RUN: %clangxx_cfi_dso -DBM -DSHARED_LIB %s -fPIC -shared -o %dynamiclib %ld_flags_rpath_so // RUN: %clangxx_cfi_dso -DBM %s -o %t %ld_flags_rpath_exe // RUN: %t 2>&1 | FileCheck --check-prefix=CFI %s // RUN: %clangxx -DBM -DSHARED_LIB %s -fPIC -shared -o %dynamiclib %ld_flags_rpath_so // RUN: %clangxx -DBM %s -o %t %ld_flags_rpath_exe // RUN: %t 2>&1 | FileCheck --check-prefix=NCFI %s // RUN: %t x 2>&1 | FileCheck --check-prefix=NCFI %s // Tests that the CFI mechanism crashes the program when making a virtual call // to an object of the wrong class but with a compatible vtable, by casting a // pointer to such an object and attempting to make a call through it. // REQUIRES: cxxabi #include #include struct A { virtual void f(); }; A *create_B(); #ifdef SHARED_LIB #include "../utils.h" struct B : public A { virtual void f(); }; void B::f() {} A *create_B() { create_derivers(); return new B(); } #else void A::f() {} int main(int argc, char *argv[]) { A *a = create_B(); // CFI: =1= // NCFI: =1= fprintf(stderr, "=1=\n"); a->f(); // OK // CFI: =2= // NCFI: =2= fprintf(stderr, "=2=\n"); } #endif