This is the mail archive of the gcc@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: 64-bit PowerPC and small data area?


On Sun, Jul 30, 2017 at 02:03:43PM +0200, Sebastian Huber wrote:
> > > So, it looks like the small data stuff is not support for ABI_ELFv2? Are 
> > > there main issues with the small data area using ELVv2 or is this simply 
> > > not implemented due to a lack of interested?
> > 
> > It is just not implemented.  ELFv2 is so far only used on Linux, and
> > only on LE at that (BE is not regularly tested).
> 
> Ok, thank you for the clarification.
> 
> > Will this buy you anything though?  Small data already ends up in the
> > TOC.  Do you / should you use -mcmodel=small?
> 
> Yes, we use statically linked applications together with the operating system (< 32MiB). So, we don't need this fancy stuff for the dynamic libraries. Is there a 64-bit ABI with ready to use support for the small data area?

Not that I know.


Segher


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]