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Re: [gold] enable sorting of text sections with the same prefix
On Tue, Jan 29, 2013 at 9:55 AM, Alexander Ivchenko <firstname.lastname@example.org> wrote:
> Hello Sri,
> thank you for your input!
> Please, look at
So, why not do this guarded by --sort-section=name just like BFD ld?
That way, it does not affect the default. Just my two cents.
> thank you,
> 2013/1/29 Sriraman Tallam <email@example.com>:
>> On Tue, Jan 29, 2013 at 7:28 AM, Alexander Ivchenko <firstname.lastname@example.org> wrote:
>>> This patch to gold: http://sourceware.org/ml/binutils/2013-01/msg00335.html
>>> disabled sorting of text sections with the same prefix like
>>> .text.hot0001, .text.hot0002
>>> which is very desirable.
>> Sorting by section names in general for text sections turns out to be
>> a bad idea as we have seen many performance issues. That is the reason
>> why the patch you reference was created.
>> The reason why some text sections are grouped to begin with is to
>> mimic the default GNU ld behaviour. I dont think GNU ld groups these
>> two sections. AFAIK, ".text.hot." is the prefix for hot text
>> sections. How were these two sections you mention created?Which
>> compiler is generating these two sections? Or, did you explicitly use
>> a section attribute?
>> The attached patch fix this.
>>> OK for trunk?
>>> thank you,