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Date: Thu, 8 Oct 2015 17:37:21 -0400
From: Rich Felker <dalias@...c.org>
To: musl@...ts.openwall.com
Subject: Re: [PATCH 1/5] Pull a couple common AWK functions for CFI
scripts into separate file
On Fri, Oct 02, 2015 at 01:32:32PM +0200, Alex Dowad wrote:
> There is a lot which could be common between i386 and x86_64, but none of it
> will be useful for any other arch. These should be useful for all archs,
> however.
> ---
Thanks! I'm commenting on these as a set rather than breaking this
down into separate replies.
I think you still have errors in your instruction parsing which will
lead to incorrect clobbers, just not as bad as before. For example,
movl $0,(%esp,%esi) gets marked as clobbering %esi. Using .* in the
patterns is probably a bad idea. I think the x86_64 patch is also
affected, but I tested it and otherwise it basically works.
In any case I'm going ahead and applying patches 1-3, with 2 and 3
merged into one commit. In general, try to merge changes that are
conceptually related and where putting them together in one patch
doesn't obscure what was changed; for example, merging 4 with 2-3
would obscure changes IMO since there would be pattern changes and
operand order changes in the same lines. I've also edited commit
messages to match capitalization used in shortlog and to make git log
fit in 80 columns (generally messages should be wrapped at 70-72
chars, like email).
Could you follow up with fixes for patches 4 and 5? I'd like to try to
get these into the next release (soon).
Rich
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