There is a variant of hot code reloading (dynamic binary program patching) for C.<p><a href="http:&#x2F;&#x2F;www.cs.umd.edu&#x2F;~hollings&#x2F;papers&#x2F;apijournal.pdf" rel="nofollow">http:&#x2F;&#x2F;www.cs.umd.edu&#x2F;~hollings&#x2F;papers&#x2F;apijournal.pdf</a><p>And there even older one (I cannot find because search in my blog (LJ) is broken).