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Re: [PATCH] Avoid PLT when calling __sched_getaffinity_new
- From: Andreas Schwab <schwab at suse dot de>
- To: Joseph Myers <joseph at codesourcery dot com>
- Cc: "H.J. Lu" <hjl dot tools at gmail dot com>, Florian Weimer <fweimer at redhat dot com>, GNU C Library <libc-alpha at sourceware dot org>
- Date: Wed, 14 Oct 2015 17:37:11 +0200
- Subject: Re: [PATCH] Avoid PLT when calling __sched_getaffinity_new
- Authentication-results: sourceware.org; auth=none
- References: <20150821170918 dot GA29943 at intel dot com> <561E4D6C dot 9040303 at redhat dot com> <CAMe9rOqT6cGee5iXWbqPfvZqYf=z53O-2LggQ-xGkMwQ+o1XAA at mail dot gmail dot com> <alpine dot DEB dot 2 dot 10 dot 1510141502410 dot 20331 at digraph dot polyomino dot org dot uk>
Joseph Myers <joseph@codesourcery.com> writes:
> Will you also add a testcase for this issue? (You'll need to allow for
> the relocation / relocations in question depending on the architecture,
> with some architectures not having any difference in relocations depending
> on whether functions are marked hidden and so not being able to run such a
> relocation-based test - it might however be possible to test in a
> different way not depending on names of relocations.
It's highly x86-specific. Most other architectures don't need a special
register set up just for doing a PLT call, so it doesn't matter whether
it's relaxed by the compiler or the linker.
Andreas.
--
Andreas Schwab, SUSE Labs, schwab@suse.de
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"And now for something completely different."