compiler-rt/test/cfi/target_uninstrumented.cpp

   1 // RUN: %clangxx -g -DSHARED_LIB %s -fPIC -shared -o %dynamiclib %ld_flags_rpath_so
   2 // RUN: %clangxx_cfi_diag -g %s -o %t %ld_flags_rpath_exe
   3 // RUN: %run %t 2>&1 | FileCheck %s
   4
   5 // REQUIRES: cxxabi
   6 // UNSUPPORTED: target={{.*windows-msvc.*}}
   7
   8 #include <stdio.h>
   9 #include <string.h>
  10
  11 struct A {
  12   virtual void f();
  13 };
  14
  15 void *create_B();
  16
  17 #ifdef SHARED_LIB
  18
  19 struct B {
  20   virtual void f();
  21 };
  22 void B::f() {}
  23
  24 void *create_B() {
  25   return (void *)(new B());
  26 }
  27
  28 #else
  29
  30 void A::f() {}
  31
  32 int main(int argc, char *argv[]) {
  33   void *p = create_B();
  34   // CHECK: runtime error: control flow integrity check for type 'A' failed during cast to unrelated type
  35   // CHECK: invalid vtable
  36   // CHECK: check failed in {{.*}}, vtable located in {{.*}}libtarget_uninstrumented.cpp.dynamic.so
  37   A *a = (A *)p;
  38   memset(p, 0, sizeof(A));
  39
  40   // CHECK: runtime error: control flow integrity check for type 'A' failed during cast to unrelated type
  41   // CHECK: invalid vtable
  42   // CHECK: check failed in {{.*}}, vtable located in (unknown)
  43   a = (A *)p;
  44   // CHECK: done
  45   fprintf(stderr, "done %p\n", a);
  46 }
  47 #endif