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Date: Thu, 6 Aug 2015 11:33:39 +0200
From: Szabolcs Nagy <nsz@...t70.net>
To: Isaac Dunham <ibid.ag@...il.com>
Cc: musl@...ts.openwall.com, Rich Felker <dalias@...c.org>,
Andy Lutomirski <luto@...nel.org>
Subject: Re: Re: Further dynamic linker optimizations
* Isaac Dunham <ibid.ag@...il.com> [2015-08-05 21:32:53 -0700]:
> On Wed, Aug 05, 2015 at 03:37:25PM -0700, Andy Lutomirski wrote:
> >
> > I can add a GNU hash to the vdso quite easily (for Linux 4.3). Would that
> > be helpful?
>
> Would this require a binutils version that supports GNU hashes?
> And if so, would it be a hard build-time requirement?
>
vdso is only used at runtime, so static linker support is not
needed when you build applications.
i guess for building the kernel itself linking the vdso.so
will depend on --hash-style=gnu support in the target ld,
that is binutils 2.18.
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