[PATCH] S390: Use fPIC to avoid R_390_GOT12 relocation in gcrt1.o with march=z900.

Stefan Liebler stli@linux.vnet.ibm.com
Wed May 11 13:55:00 GMT 2016


Commited

Bye
Stefan

On 04/28/2016 08:49 AM, Stefan Liebler wrote:
> On 04/27/2016 12:01 PM, Andreas Schwab wrote:
>> Stefan Liebler <stli@linux.vnet.ibm.com> writes:
>>
>>> According to the s390-Makefiles, -fpic is used. This patch removes the
>>> overrides of pic-ccflag and the default pic-ccflag = -fPIC in Makeconfig
>>> is used instead to get the R_390_GOTENT relocations in gcrt1.o.
>>
>> Alternatively, you could override -fpic only for gmon-start.os, to keep
>> a possible performance advantage for the rest.
>>
>> Andreas.
>>
> As it has no effect for newer architecture levels and
> for older levels the effect is overall +/-0,
> I would prefer the switch to -fPIC.
>
> Bye
> Stefan
>
>



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