Until there's an agreement with OPF and we have a corresponding approval to add the code to binutils, as well as there's a clear position on extension spaces, it's suggested to update opcodes dynamically (with the most obvious candidates being dlopen/dlsym). More information: https://libre-soc.org/irclog/%23libre-soc.2022-05-17.log.html#t2022-05-17T11:15:10
https://sourceware.org/pipermail/binutils/2022-May/120857.html