Is pre-linking worth it? [LWN.net]

Is pre-linking worth it?

Posted Jul 15, 2009 21:01 UTC (Wed) by louai (subscriber, #58033)
Parent article: Is pre-linking worth it?

I always thought the -Bdirect linking patch was interesting: http://sourceware.org/ml/binutils/2005-10/msg00436.html

Too bad Ulrich Drepper immediately shot it down with his usual finesse: "Forget it, we have prelinking, which is much more efficient."

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Is pre-linking worth it?

Posted Jul 15, 2009 21:15 UTC (Wed) by mjthayer (guest, #39183) [Link] (1 responses)

So that basically throws away the venerable Unix global application namespace which has burnt so many innocents? And saves start-up time into the bargain? Sounds nice, if the couple of programmes that depend on the traditional behaviour can be found and fixed.

Is pre-linking worth it?

Posted Jul 17, 2009 18:38 UTC (Fri) by quotemstr (subscriber, #45331) [Link]

Sounds nice, if the couple of programmes that depend on the traditional behaviour can be found and fixed.

Couldn't the runtime linker to enumerate all matches for a given symbol and log any ambiguity?

Is pre-linking worth it?

Posted Jul 16, 2009 8:48 UTC (Thu) by dgm (subscriber, #49227) [Link]

Looks very good (shame Ulrich, shame). Any opportunity to revive it?
On a side note, has Ulrich been a XFree86 developer in another life or what?
Oh, that was harsh, sorry.

Is pre-linking worth it?

Posted Jul 23, 2009 20:34 UTC (Thu) by marco_craveiro (guest, #59774) [Link]

-Bdirect was actually discussed in lwn a little while ago, in a very interesting article:

http://lwn.net/Articles/192624/

i wonder how much of what michael was hacking actually made it upstream...