| // Check that cross-DSO diagnostics print the names of both modules |
| |
| // RUN: %clangxx_cfi_diag -g -DSHARED_LIB -fPIC -shared -o %dynamiclib %s %ld_flags_rpath_so |
| // RUN: %clangxx_cfi_diag -g -o %t_exe_suffix %s %ld_flags_rpath_exe |
| // RUN: %t_exe_suffix 2>&1 | FileCheck -DDSONAME=%xdynamiclib_namespec %s |
| |
| // UNSUPPORTED: win32 |
| // REQUIRES: cxxabi |
| |
| #include <dlfcn.h> |
| #include <stdio.h> |
| |
| struct S1 { |
| virtual void f1(); |
| }; |
| |
| #ifdef SHARED_LIB |
| |
| void S1::f1() {} |
| |
| __attribute__((visibility("default"))) extern "C" |
| void* dso_symbol() { return new S1(); } |
| |
| #else |
| |
| int main() { |
| void* (*fp)(void) = |
| reinterpret_cast<void*(*)(void)>(dlsym(RTLD_DEFAULT, "dso_symbol")); |
| if (!fp) { |
| perror("failed to resolve dso_symbol"); |
| return 1; |
| } |
| |
| // CHECK: runtime error: control flow integrity check for type 'void *()' failed during indirect function call |
| // CHECK: dso_symbol defined here |
| // CHECK: check failed in {{.*}}_exe_suffix, destination function located in {{.*}}[[DSONAME]] |
| void *S = fp(); // trigger cfi-icall failure |
| |
| // CHECK: runtime error: control flow integrity check for type 'S1' failed during cast to unrelated type |
| // CHECK: invalid vtable |
| // CHECK: check failed in {{.*}}_exe_suffix, vtable located in {{.*}}[[DSONAME]] |
| S1 *Scast = reinterpret_cast<S1*>(S); // trigger cfi-unrelated-cast failure |
| |
| return 0; |
| } |
| |
| #endif // SHARED_LIB |
