gcc/testsuite/gcc.dg/Wframe-address.c

/* { dg-do compile } */
/* { dg-options "-Wframe-address" } */
/* { dg-additional-options "-mbackchain" { target { s390*-*-* } } } */

void* __attribute__ ((noclone, noinline))
test_builtin_frame_address (unsigned i)
{
  void* const fa[] = {
    __builtin_frame_address (0),
    __builtin_frame_address (1), /* { dg-warning "builtin_frame_address" } */
    __builtin_frame_address (2), /* { dg-warning "builtin_frame_address" } */
    __builtin_frame_address (3), /* { dg-warning "builtin_frame_address" } */
    __builtin_frame_address (4)  /* { dg-warning "builtin_frame_address" } */
  };

  return fa [i];
}


void* __attribute__ ((noclone, noinline))
test_builtin_return_address (unsigned i)
{
  void* const ra[] = {
    __builtin_return_address (0),
    __builtin_return_address (1), /* { dg-warning "builtin_return_address" } */
    __builtin_return_address (2), /* { dg-warning "builtin_return_address" } */
    __builtin_return_address (3), /* { dg-warning "builtin_return_address" } */
    __builtin_return_address (4)  /* { dg-warning "builtin_return_address" } */
  };
  return ra [i];
}


int main (void)
{
  test_builtin_frame_address (0);

  test_builtin_return_address (0);

  void* const a[] = {
    __builtin_frame_address (0),
    __builtin_frame_address (1), /* { dg-warning "builtin_frame_address" } */
    __builtin_frame_address (2), /* { dg-warning "builtin_frame_address" } */
    __builtin_frame_address (3), /* { dg-warning "builtin_frame_address" } */
    __builtin_frame_address (4), /* { dg-warning "builtin_frame_address" } */

    __builtin_return_address (0),
    __builtin_return_address (1), /* { dg-warning "builtin_return_address" } */
    __builtin_return_address (2), /* { dg-warning "builtin_return_address" } */
    __builtin_return_address (3), /* { dg-warning "builtin_return_address" } */
    __builtin_return_address (4)  /* { dg-warning "builtin_return_address" } */
  };

  return 0;
}