代码

int plus(int a, int b) { return a + b; }
static char dummy_tid_area[64];
void *__pthread_self(void) { return (void*)dummy_tid_area; }
int __lockfile(void *f) { return 0; }
void __unlockfile(void *f) { }
void __libc_start_main(int (*mf)(int, char **), int ac, char **av) {
    mf(ac, av);
    __asm__ volatile("mov $60,%eax; xor %edi,%edi; syscall");
    __builtin_unreachable();
}

评测结果