[Development] Moving itemmodels classes to QtCore

lars.knoll at nokia.com lars.knoll at nokia.com
Wed Dec 7 09:24:00 CET 2011


On 12/6/11 4:38 PM, "ext Thiago Macieira" <thiago.macieira at intel.com>
wrote:

>On Tuesday, 6 de December de 2011 11.57.56, Stephen Kelly wrote:
>> ./relinfo.pl libQtCore.so.5.0.0
>> libQtCore.so.5.0.0: 4037 relocations, 1813 relative (44%), 2562 PLT
>>entries,
>> 2562 for local syms (100%), 0 users
>
>> stephen at hal:~/dev/build/qtbase/qtbase/lib$ ./relinfo.pl
>>libQtCore.so.5.0.0
>> libQtCore.so.5.0.0: 4326 relocations, 1855 relative (42%), 2746 PLT
>> entries,  2746 for local syms (100%), 0 users
>
>Thanks.
>
>It's about 300 new relocations (the rest of the numbers are meaningless
>in 
>your build). I guess that they are from virtual tables. I'd have
>preferred a 
>smaller number, but I think it's acceptable given the benefit we get too.
>
>This also goes to show that the -reduce-relocations option should be the
>default in configure...

I agree. Let's simply turn it on. http://codereview.qt-project.org/10638

Cheers,
Lars
 
>
>Here's what I have:
>
>libQtCore.so.5.0.0: 4057 relocations, 3197 relative (78%), 221 PLT
>entries, 4 
>for local syms (1%), 0 users
>
>-- 
>Thiago Macieira - thiago.macieira (AT) intel.com
>  Software Architect - Intel Open Source Technology Center
>     Intel Sweden AB - Registration Number: 556189-6027
>     Knarrarnäsgatan 15, 164 40 Kista, Stockholm, Sweden
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