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Re: toolchain/53643: gdb on core files fails on arm
The following reply was made to PR toolchain/53643; it has been noted by GNATS.
From: Martin Husemann <martin%duskware.de@localhost>
To: Christos Zoulas <christos%zoulas.com@localhost>
Subject: Re: toolchain/53643: gdb on core files fails on arm
Date: Sun, 30 Sep 2018 09:56:34 +0200
On Sat, Sep 29, 2018 at 09:56:09PM -0400, Christos Zoulas wrote:
> | >How-To-Repeat:
> | Just use gdb on a core file on arm. Maybe special for big endian arm?
> This is on BE arm only? I can't reproduce any of it on LE arm (RPi 2)
The openssl issue seems to be BE only, I don't know about the core
dump one (which is what this PR is about).
Why would the processor status (register 25 in gdb speak) not be available
in a core? Can I still trust the other registers, given that $PC doesn't
seem to make any sense? Note that it is not SIGILLing on one of the
armv8 instructions it tests, but on the single armv7 one that should not
generate a trap on this CPU (only if run under xen or something).
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