That was my approach for an analogous program that uses memcpy instead of printf. I didn't go with the jit-style you describe, however. If you're curious here's

That was my approach for an analogous program that uses memcpy instead of printf. I didn't go with the jit-style you describe, however. If you're curious here's how I setup the syscalls https://github.com/jcande/xenocryst/blob/master/src/gadgets.c#L815 https://github.com/jcande/xenocryst/blob/master/src/gadgets.... and here's the main loop https://github.com/jcande/xenocryst/blob/master/src/exec.c#L42 https://github.com/jcande/xenocryst/blob/master/src/exec.c#L...