linux-kernel - Re: [RFC V2 00/16] objtool: Add support for Arm64

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20190516142917.nuhh6dmfiufxqzls@treble>
Date:   Thu, 16 May 2019 09:29:17 -0500
From:   Josh Poimboeuf <jpoimboe@...hat.com>
To:     Raphael Gault <raphael.gault@....com>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        peterz@...radead.org, catalin.marinas@....com, will.deacon@....com,
        julien.thierry@....com
Subject: Re: [RFC V2 00/16] objtool: Add support for Arm64

On Thu, May 16, 2019 at 11:36:39AM +0100, Raphael Gault wrote:
> Noteworthy points:
> * I still haven't figured out how to detect switch-tables on arm64. I
> have a better understanding of them but still haven't implemented checks
> as it doesn't look trivial at all.

Switch tables were tricky to get right on x86.  If you share an example
(or even just a .o file) I can take a look.  Hopefully they're somewhat
similar to x86 switch tables.  Otherwise we may want to consider a
different approach (for example maybe a GCC plugin could help annotate
them).

-- 
Josh