[lld] r254003 - Revert "ELF: Make .note.GNU-stack more compatible with traditional linkers."

Rui Ueyama via llvm-commits llvm-commits at lists.llvm.org
Tue Nov 24 14:11:54 PST 2015


On Tue, Nov 24, 2015 at 2:10 PM, Hal Finkel <hfinkel at anl.gov> wrote:

> ----- Original Message -----
> > From: "Rui Ueyama via llvm-commits" <llvm-commits at lists.llvm.org>
> > To: "Joerg Sonnenberger" <joerg at britannica.bec.de>, "llvm-commits" <
> llvm-commits at lists.llvm.org>
> > Sent: Tuesday, November 24, 2015 3:38:39 PM
> > Subject: Re: [lld] r254003 - Revert "ELF: Make .note.GNU-stack more
> compatible with traditional linkers."
> >
> > On Tue, Nov 24, 2015 at 1:31 PM, Joerg Sonnenberger via llvm-commits
> > < llvm-commits at lists.llvm.org > wrote:
> >
> >
> > On Tue, Nov 24, 2015 at 12:24:08PM -0800, Rui Ueyama wrote:
> > > My stance is they should fix the loader to ignore the section.
> >
> > Impossible. It's the equivalent of the BIOS. It can't be fixed.
> >
> > Well, they can continue using the linker they are currently using.
> >
> > We may want to revisit this later, but at this moment I really want
> > to focus on simplicity and general usability on major Unix systems
> > instead of supporting relatively minor platforms.
> >
>
> Why don't we just omit PT_GNU_STACK when -z execstack is provided? Or add
> a -z nognuptstack (modulo bikeshedding)?
>

Do you need that?


>
>  -Hal
>
> >
> > Joerg
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>
> --
> Hal Finkel
> Assistant Computational Scientist
> Leadership Computing Facility
> Argonne National Laboratory
>
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