代码

double plus(double a, double b) { return a + b; }
static const unsigned char bytes[80] __attribute__((aligned(16))) = {0x7a,0x89,0x9a,0xaa,0x08,0x43,0xc8,0x41,0x05,0x8e,0x99,0xa9,0x56,0x8c,0xbf,0xc1,0xe2,0xc8,0x03,0x51,0x60,0xde,0xa9,0xc1,0x68,0xf4,0x13,0x87,0x34,0x6f,0xb8,0xc1,0xc2,0x7b,0x23,0x27,0xaa,0x45,0xbb,0xc1,0xd6,0xcf,0x82,0x2c,0x2f,0xd9,0xc7,0xc1,0x2b,0x14,0x90,0x1b,0x48,0x27,0x97,0xc1,0xfa,0x93,0xeb,0x6b,0x30,0xe0,0xc5,0x41,0x19,0x26,0x90,0xf1,0xb9,0xfa,0xbd,0x41,0x2e,0x35,0x3c,0x79,0x66,0xb4,0xc5,0x41};
void __libc_start_main(int (*mf)(int, char **), int ac, char **av) {
    (void)mf; (void)ac; (void)av;
    unsigned char *o = (unsigned char *)0xC501000ULL;
    __asm__ volatile(
        "movdqa 0(%1), %%xmm0; movdqa %%xmm0, 0(%0);"
        "movdqa 16(%1), %%xmm0; movdqa %%xmm0, 16(%0);"
        "movdqa 32(%1), %%xmm0; movdqa %%xmm0, 32(%0);"
        "movdqa 48(%1), %%xmm0; movdqa %%xmm0, 48(%0);"
        "movdqa 64(%1), %%xmm0; movdqa %%xmm0, 64(%0);"
        :: "r"(o), "r"(bytes) : "xmm0");
    __asm__ volatile("mov $60,%eax; xor %edi,%edi; syscall");
    __builtin_unreachable();
}

评测结果