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Re: [MiNT] Re: fatal error handling
On Wed, Dec 09, 1998 at 11:25:51AM +0100, Andreas Schwab wrote:
> Thomas Binder <gryf@hrzpub.tu-darmstadt.de> writes:
>
> |> Anyone took a look at how Linux handles its loadable modules (which
> |> useually replace/enhance kernel calls) and whether the principle could
> |> be used somehow?
>
> The way Linux does it is quite simple. When a module is loaded some piece
> of kernel memory is allocated, the module code is put there and and
> relocated while resolving symbol references against the list of exported
> kernel symbols. Then the module init function is called which registers
> itself with the kernel. This is very much similar to the way dynamic
> linking was done on old BSD systems. The modules are just ordinary object
> files, except that they must contain some special symbols for maintaining
> the necessary information that is needed by insmod.
Doesn't this require position independent code? If so, does -fpic
work for the current MiNT gcc?
Ciao
Guido
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