50     const int kSize = 128;  in main()  local
53     uint8_t *write_buffer = mmap(0, kSize,  in main()
59     uint8_t *execution_buffer = mremap(write_buffer, kSize, NULL, kSize,  in main()
64     if (mprotect(write_buffer, kSize, PROT_READ | PROT_WRITE) == -1)  in main()
66     if (mprotect(execution_buffer, kSize, PROT_READ | PROT_EXEC) == -1)  in main()
69     uint8_t *execution_buffer = mmap(0, kSize,  in main()
77                                        PAGE_EXECUTE_READWRITE, 0, kSize, NULL);  in main()
89     memcpy_f(write_buffer, func1, kSize);  in main()
90     pfunc f1 = (pfunc)realign_f(execution_buffer, func1, kSize);  in main()
91     __clear_cache(execution_buffer, execution_buffer + kSize);  in main()
96     memcpy_f(write_buffer, func2, kSize);  in main()
97     pfunc f2 = (pfunc)realign_f(execution_buffer, func2, kSize);  in main()
98     __clear_cache(execution_buffer, execution_buffer + kSize);  in main()