[PATCH] Introduce new .text.sorted.* sections.

Martin Liška mliska@suse.cz
Tue Nov 19 12:30:00 GMT 2019


On 11/4/19 2:54 PM, Martin Liška wrote:
> @Ian, @Cary: May I please ping the gold part?

PING^2

Thanks,
Martin

> 
> Thanks,
> Martin
> 
> On 9/27/19 9:48 AM, Alan Modra wrote:
>> On Thu, Sep 26, 2019 at 10:48:12AM +0200, Martin Liška wrote:
>>> On 9/25/19 3:34 PM, Alan Modra wrote:
>>>> On Tue, Sep 24, 2019 at 02:05:09PM +0200, Martin Liška wrote:
>>>>> Hi.
>>>>>
>>>>> Aim of the patch is to introduce a new .text subsection that
>>>>> will be sorted by default. That can be leveraged in LTO where we
>>>>> want to provide a specific sorting of symbols in a binary.
>>>>
>>>> This looks fine to me, even though the gold implementation can produce
>>>> different results on input sections that match ".text.sorted.*".  For
>>>> example, ".text.sorted.1" will be accepted by both ld.gold and ld.bfd,
>>>> but ld.bfd will sort it after ".text.sorted.02" while ld.gold would
>>>> sort it before.
>>>
>>> Hi.
>>>
>>> You are right, it's not precisely 1:1 among ld.bfd and ld.gold. I guess
>>> we can live with that.
>>>
>>> May I take this as an approval to install the patch?
>>
>> I can OK the ld.bfd changes, I'm not so sure about gold patches.  Cary
>> and Ian are the ones with that authority.
>>
> 



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