On 11/07/12 12:49, phi gcc wrote: > Hi All, > > Is there a documnent or a way to know the various procedure calling > convention used by gcc over time (i.e by gcc version) for regular > compile, fastcall, (eventually static function). > > For instance I got occurences of some gcc version that do > a0 in ax, a1 in dx, a2 in 0(sp), a3 in 4(sp) ... > > and other occurences that do > a0 in cx, a1 in dx, a2 in 0(sp), a3 in 4(sp) ... http://www.sco.com/developers/devspecs/abi386-4.pdf Andrew.