x86 procedure calling convention (again)

[Andrew Haley]

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.