Re: Shared Libs

[Waldi Ravens <waldi@moacs.indiv.nl.net>]

Hi Chris,

> >How shall the shared library do that? You have to keep a separate
> >instance of the data section for each process that uses the
> >library. So if you are not going to use some swapping trick (like in
> >the implementation of fork), you need to use position independent
> >code, i.e. use a base register in the code!
> 
> You'd need to use a base register in the *library*, yes. However you
> wouldn't need to make the calling programs use a register.

Sorry, I probably wasn't very clear (why don't you guys all learn
dutch, it's much easier than english :-) ). Anyhow, I never intended
to have one data section for program _and_ library modules. On the
contrary, each module should have it's own (per process) data section.


Waldi