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Re: binutils ld and new PT_GNU_PROPERTY segment

On Wed, 2020-02-19 at 04:28 -0800, H.J. Lu wrote:
> On Wed, Feb 19, 2020 at 4:02 AM Mark Wielaard <mark@klomp.org> wrote:
> > > https://patchwork.kernel.org/patch/11285409/
> > > 
> > > It is for both x86 and arm64.
> > 
> > So that is not upstream in the mainline kernel? Why can't that patch
> > use the existing PT_NOTE segment? That would make it compatible with
> > existing binaries that don't have this PT_GNU_PROPERTY program header.
> 
> Kernel loader is one of motivations of PT_GNU_PROPERTY.  Kernel loader
> only wants to check PT_XXX.

So they can check PT_NOTE because it provides the same information and
is already available in existing binaries.

Cheers,

Mark
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