Re: More linker magic..

Andreas Schwab (schwab@suse.de)
03 Aug 1999 12:01:11 +0200


Matthew Kirkwood <weejock@ferret.lmh.ox.ac.uk> writes:

|> On 3 Aug 1999, Andi Kleen wrote:
|>
|> > Would it make sense to add a "priority" argument to __initcall ?
|> > This would allow to express simple dependencies between modules. Of
|> > course this could be emulated by immediate functions that do the
|> > traditional manual initialization.
|>
|> > The standard[1] linker cannot sort constructors, but system startup is
|> > not performance critical, so it is reasonable to sort the init table
|> > at runtime.
|>
|> Sort? Pah, why not just force the priority to be between 0 and 10 and
|> scan the whole thing 11 times :)

Just put the constructors in 11 sections with names like initcall_0
... initcall_10 and setup some symbols to find them, then you can get away
with a single scanning pass.

Andreas.

-- 
Andreas Schwab                                  "And now for something
schwab@suse.de                                   completely different."
SuSE GmbH, Schanzäckerstr. 10, D-90443 Nürnberg

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