[PATCH] [PECOFF] Support COMDAT associative sections.

Reid Kleckner rnk at google.com
Thu May 29 13:35:55 PDT 2014


On Thu, May 29, 2014 at 10:15 AM, Rui Ueyama <ruiu at google.com> wrote:

> On Thu, May 29, 2014 at 9:56 AM, Reid Kleckner <rnk at google.com> wrote:
>
>> Is it OK to rely on dead stripping to remove associative comdat sections
>> when the associated data is discarded?  I thought it was possible for the
>> user to disable dead stripping, in which case the result will be incorrect,
>> and data will be initialized multiple times.
>>
>
> Maybe it's OK for now. I'd think we may want to have some type to say to
> the Resolver that "do dead strip this thing even if global dead strip
> setting is off," but I didn't think hard enough to conclude it's the best
> option.
>

Ultimately we need support for comdat groups in ELF, so I'd like to push to
do this in a principled way.
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