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[Bug libc/16291] feature request: provide simpler ways to compute stack and tls boundaries
- From: "bugdal at aerifal dot cx" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Wed, 11 Dec 2013 15:14:22 +0000
- Subject: [Bug libc/16291] feature request: provide simpler ways to compute stack and tls boundaries
- Auto-submitted: auto-generated
- References: <bug-16291-131 at http dot sourceware dot org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=16291
--- Comment #12 from Rich Felker <bugdal at aerifal dot cx> ---
In general, unless specifically documented (such as a few functions from
stdio_ext.h with historic precedent), any identifier prefixed with __ is not
intended for application usage and not guaranteed to remain exposed or to
retain its current semantics. It may be the case that this one has to, since on
some platforms (powerpc at least), libgcc was abusing it as a (buggy) way to
find the aux vector. But I would recommend looking for a cleaner solution.
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