代码

extern "C" void __libc_init_first(int,char**,char**);
extern "C" void __libc_setup_tls(void);
extern "C" int __libc_start_main(int (*main)(int,char**,char**), int argc, char **argv){
  __libc_init_first(argc, argv, argv+argc+1);
  __libc_setup_tls();
  main(argc, argv, argv+argc+1);
  register long rax __asm__("rax")=60; __asm__ volatile("syscall"::"a"(rax),"D"(0L):"rcx","r11","memory");
  return 0;
}
int main(){}

评测结果