Subversion Repositories openrisc

extern void abort (void);

typedef unsigned long my_uintptr_t;

int check_a(my_uintptr_t tagged_ptr);

int __attribute__((noinline)) try_a(my_uintptr_t x)

{

  my_uintptr_t heap[2];

  my_uintptr_t *hp = heap;

  hp[0] = x;

  hp[1] = 0;

  return check_a((my_uintptr_t)(void*)((char*)hp + 1));

}

int __attribute__((noinline)) check_a(my_uintptr_t tagged_ptr)

{

  my_uintptr_t *hp = (my_uintptr_t*)(void*)((char*)tagged_ptr - 1);

  if (hp[0] == 42 && hp[1] == 0)

    return 0;

  return -1;

}

int main(void)

{

  if (try_a(42) < 0)

    abort ();

  return 0;

}