代码

typedef unsigned long u64;
extern "C" void __libc_start_main(
    int (*main_fn)(int, char**, char**),
    int argc, char **argv,
    void (*init)(void), void (*fini)(void),
    void (*rtld_fini)(void),
    void *stack_end)
{
    __asm__ volatile("mov $60, %rax; xor %rdi, %rdi; syscall");
    __builtin_unreachable();
}
int main(){return 0;}

评测结果