RE: [PATCH 32 0/2] Handle the new .note section introduced in Linux

["Schimpe, Christina" <christina.schimpe@intel.com>]

Thank you for the update. I'll do the review as soon possible.

Kind Regards,
Christina

> -----Original Message-----
> From: Balasubrmanian, Vignesh <Vignesh.Balasubrmanian@amd.com>
> Sent: Freitag, 6. März 2026 08:42
> To: Schimpe, Christina <christina.schimpe@intel.com>; gdb-
> patches@sourceware.org; George, Jini Susan <JiniSusan.George@amd.com>;
> Sharma, Alok Kumar <AlokKumar.Sharma@amd.com>; jhb@FreeBSD.org;
> simark@simark.ca
> Subject: RE: [PATCH 32 0/2] Handle the new .note section introduced in Linux
> 
> [AMD Official Use Only - AMD Internal Distribution Only]
> 
> Thanks Christina,
> 
> Please review this last update https://sourceware.org/pipermail/gdb-
> patches/2026-February/224832.html
> 
> It looks like my previous message was sent without a subject while I was
> trying to reply to your email thread. I may have used the wrong command, or
> there might have been a glitch with my git send-email setup.
> 
> thanks,
> Vigneshbalu.
> 
> -----Original Message-----
> From: Schimpe, Christina <christina.schimpe@intel.com>
> Sent: Friday, March 6, 2026 12:38 PM
> To: Balasubrmanian, Vignesh <Vignesh.Balasubrmanian@amd.com>; gdb-
> patches@sourceware.org; George, Jini Susan <JiniSusan.George@amd.com>;
> Sharma, Alok Kumar <AlokKumar.Sharma@amd.com>; jhb@FreeBSD.org;
> simark@simark.ca
> Subject: RE: [PATCH 32 0/2] Handle the new .note section introduced in Linux
> 
> Caution: This message originated from an External Source. Use proper
> caution when opening attachments, clicking links, or responding.
> 
> 
> Hi Vignesh,
> 
> unfortunately, I missed your message. I am not sure how this could have
> slipped and then I've been out for a couple of weeks.
> 
> If you don't hear back from me, please ping me in the mailing lists.
> We have this guideline:
> https://sourceware.org/gdb/wiki/ContributionChecklist
> 
> You can expect my feedback on this next week.
> 
> Christina
> 
> > -----Original Message-----
> > From: Balasubrmanian, Vignesh <Vignesh.Balasubrmanian@amd.com>
> > Sent: Dienstag, 6. Januar 2026 07:49
> > To: Schimpe, Christina <christina.schimpe@intel.com>; gdb-
> > patches@sourceware.org; George, Jini Susan
> <JiniSusan.George@amd.com>;
> > Sharma, Alok Kumar <AlokKumar.Sharma@amd.com>; jhb@FreeBSD.org;
> > simark@simark.ca
> > Subject: RE: [PATCH 32 0/2] Handle the new .note section introduced in
> > Linux
> >
> > [AMD Official Use Only - AMD Internal Distribution Only]
> >
> > Hi Christina,
> >
> > In my test, I read the core file's new note-section data with the
> > program and compare it against the "cupid" instructions. I couldn't
> > find any existing test that validates note-section contents. If full
> > validation is too much, I can instead extend "maint-info-sections.exp" to
> check only that the section exists.
> >
> > Please advise.
> >
> > thanks.
> > Vigneshbalu.
> >
> > -----Original Message-----
> > From: Schimpe, Christina <christina.schimpe@intel.com>
> > Sent: Sunday, December 14, 2025 7:09 PM
> > To: Balasubrmanian, Vignesh <Vignesh.Balasubrmanian@amd.com>; gdb-
> > patches@sourceware.org; George, Jini Susan
> <JiniSusan.George@amd.com>;
> > Sharma, Alok Kumar <AlokKumar.Sharma@amd.com>; jhb@FreeBSD.org;
> > simark@simark.ca
> > Subject: RE: [PATCH 32 0/2] Handle the new .note section introduced in
> > Linux
> >
> > Caution: This message originated from an External Source. Use proper
> > caution when opening attachments, clicking links, or responding.
> >
> >
> > Hi Vignesh,
> >
> > I'll review the patches once we have clarified the opens for the test.
> > Please see my comment below.
> >
> > > -----Original Message-----
> > > From: Vignesh Balasubramanian <vigbalas@amd.com>
> > > Sent: Montag, 8. Dezember 2025 09:38
> > > To: gdb-patches@sourceware.org; jinisusan.george@amd.com; Schimpe,
> > > Christina <christina.schimpe@intel.com>; AlokKumar.Sharma@amd.com;
> > > jhb@FreeBSD.org; simark@simark.ca
> > > Cc: Vignesh Balasubramanian <vigbalas@amd.com>
> > > Subject: [PATCH 32 0/2] Handle the new .note section introduced in
> > > Linux
> > >
> > > The XSAVE layout of the machine where the core file is dumped is not
> > > visible to GDB. It is assumed currently using some heuristics.
> > >
> > > It has been addressed to some extent recently but still uses heuristics.
> > > https://inbox.sourceware.org/gdb-patches/2628f45a-77f7-8b2c-20aa-
> > >
> >
> da65d1d82a37@simark.ca/T/#m4c67d59c18a5962f771ba8ca1e2bee9365ad
> > > 1ab2
> > >
> > > New patches have been committed to the linux kernel (version 6.12)
> > > to resolve this issue by adding a new .note section which contains
> > > descriptions of the xsave layout to the core file.
> > >
> > > The first of this patch set consumes this new .note section and uses
> > > that to identify the xsave layout.
> > > The second one enables gdb to generate a similar .note section if
> > > the corefile is dumped through the 'gcore' command.
> > >
> > > Working on test case patch, will share it in a few days.
> >
> > In the gdb testsuite we already have tests for (g)core commands and
> > for OS generated corefiles.
> >
> > Based on the test that you shared initially
> > https://sourceware.org/pipermail/gdb-patches/2025-July/219369.html
> > I wonder what your test will cover that is not tested already with
> > existing tests.
> >
> > Would it be sufficient to extend the existing tests in case a linux
> > kernel >=
> > 6.12 is used ?
> >
> > Christina
> >
> > Intel Deutschland GmbH
> > Registered Address: Dornacher Straße 1, 85622 Feldkirchen, Germany
> > Tel: +49 89 991 430, www.intel.de
> > Managing Directors: Harry Demas, Jeffrey Schneiderman, Yin Chong
> > Sorrell Chairperson of the Supervisory Board: Nicole Lau Registered
> > Seat: Munich Commercial Register: Amtsgericht München HRB 186928
> Intel Deutschland GmbH
> Registered Address: Dornacher Straße 1, 85622 Feldkirchen, Germany
> Tel: +49 89 991 430, www.intel.de
> Managing Directors: Harry Demas, Jeffrey Schneiderman, Yin Chong Sorrell
> Chairperson of the Supervisory Board: Nicole Lau Registered Seat: Munich
> Commercial Register: Amtsgericht München HRB 186928
Intel Deutschland GmbH
Registered Address: Dornacher Straße 1, 85622 Feldkirchen, Germany
Tel: +49 89 991 430, www.intel.de
Managing Directors: Harry Demas, Jeffrey Schneiderman, Yin Chong Sorrell
Chairperson of the Supervisory Board: Nicole Lau
Registered Seat: Munich
Commercial Register: Amtsgericht München HRB 186928