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RE: [PATCHv3, MIPS] Add support for O32 FPXX and program header based ABI information


On Tue, 7 Oct 2014, Matthew Fortune wrote:

> Just checking your opinion here. I'm relaxing the linkage rules for
> non-PT_GNU_MIPS binaries such that they can link with SOFT|DOUBLE|FPXX|FP64A
> but strictly not FP64. I am on the fence as to whether I should allow SINGLE
> as well. Strictly speaking there could be GNU systems with single-float but
> I don't think GLIBC supports single-float so it is unlikely that there are any
> non-PT_GNU_MIPS binaries out there using single-float. Every special case
> costs extra code complexity and test coverage so if it is not important I'd
> rather leave it.

glibc does not support single-float; see the list of known ABIs at 
<https://sourceware.org/glibc/wiki/ABIList>.  So there is no need for the 
glibc code to allow for it.

-- 
Joseph S. Myers
joseph@codesourcery.com


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