bug#20614: Segmentation fault when building on Power8 Little Endian

[Petr Hracek]

On 10/01/2015 09:43 AM, Eli Zaretskii wrote:
> > From: Petr Hracek <phracek@redhat.com>
> > Date: Wed, 30 Sep 2015 12:39:47 +0200
> > Cc: 20614@debbugs.gnu.org
> >
> > My deep observation with emacs package and binutils:
> > 1) binutils-2.23.52.0.1-30.el7_1.2.ppc64le.rpm works completely.
> > 2) binutils-2.23.52.0.1-40.el7.ppc64le.rpm works if row
> > http://git.savannah.gnu.org/cgit/emacs.git/tree/src/unexelf.c?h=emacs-24#n869
> > is suppressed.
> >
> > With newer version of binutils I can see the same series:(
> > like:
> > Dumping under the name emacs
> > emacs: Program segment above .bss in
> > /builddir/build/BUILD/emacs-24.3/src/temacs
> > make[2]: Leaving directory `/builddir/build/BUILD/emacs-24.3/src'
> > make[2]: *** [bootstrap-emacs] Error 1
> >
> > I have collected list of commits and messages against upstream:
> > #1200138
> > https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=commit;h=43a8475ca01b676fb764aaed0c4ed1cc16fc3c87
> >  #1200138
> > https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=eec2f3ed9f053653ed5d629eb50e08e3ee61e9bd
> >  #1203449
> > https://bugzilla.redhat.com/attachment.cgi?id=1003499 # 1175624 .opd
> > https://sourceware.org/ml/binutils/2015-01/msg00227.html
> > # 1175624 .got which implies .sdata, .sbss, .plt .iplt and .branch_lt also have
> > to move: https://sourceware.org/ml/binutils/2015-01/msg00228.html
> > # 1175624 And .toc1: https://sourceware.org/ml/binutils/2015-01/msg00232.html
> > #1194164 func@localentry expressions, which was added to FSF binutils with git
> > commit 45965137
> > #1183838 https://bugzilla.redhat.com/attachment.cgi?id=986213
> > # 1172766 https://bugzilla.redhat.com/attachment.cgi?id=989450 I hope it helps
> > you a bit.
> I think we need help from someone who understands the Binutils part of
> this.  Can you ask some of the Binutils maintainers please join this
> discussion and analyze the problem?
Adding Florian to CC.
@Florian: If it's possible, please include also other files from your team.

--
Petr Hracek
Software Engineer
Developer Experience
Red Hat, Inc
Mob: +420777056169
email: phracek@redhat.com