You can extract the differences by looking at my librt0 [0] project. You can also see a minimal amd64 version in C here [1]. [0] https://github.com/lpsantil/r

You can extract the differences by looking at my librt0 [0] project. You can also see a minimal amd64 version in C here [1]. [0] https://github.com/lpsantil/rt0/blob/master/src/lib/syscall.c https://github.com/lpsantil/rt0/blob/master/src/lib/syscall.... [1] https://gist.github.com/lunixbochs/462ee21c3353c56b910f https://gist.github.com/lunixbochs/462ee21c3353c56b910f