Question: Does uclibc support NPTL TLS ?

Junling Zheng zhengjunling at huawei.com
Fri May 29 02:30:19 UTC 2015


On 2015/5/29 10:08, Rich Felker wrote:
> On Fri, May 29, 2015 at 09:58:31AM +0800, Junling Zheng wrote:
>> On 2015/5/29 3:27, Bernhard Reutner-Fischer wrote:
>>> On 28 May 2015 at 04:00, Khem Raj <raj.khem at gmail.com> wrote:
>>>
>>>> Seems like gdb is not able to comprehend the TLS structure that uclibc is putting. So you need to investigate
>>>> that part, either gdb or libthread-db may be where the issue lies.
>>>
>>> OE essentially produces broken libs for the uClibc package due to
>>> --strip-unneeded.
>>> I have tweaked my split_and_strip_files() but as a quick-fix you might
>>> want to enable DOSTRIP in the uClibc .config and add
>>
>> I guess you mean *disable* DOSTRIP, not *enable* DOSTRIP, right?:)
> 
> Probably not. I think the idea is that uclubc's internal stripping
> does it right, but OE's breaks it. You could disable both, but then
> you'd have lots of debug bloat in the output, so turning on uclibc's
> in place of OE's is a good workaround.
> 
> I could be wrong though; in that case Bernhard will probably jump in
> to correct me. :-)
> 
> Rich
> 
> 
It sounds so, and we'll try both of disabling and enabling DOSTRIP.

Thanks for your pointers:-)

Cheers,

Junling



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