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RFC: Adding non-PIC executable support to MIPS

Richard Sandiford rdsandiford@googlemail.com
Thu Jul 17 20:02:00 GMT 2008 
Daniel Jacobowitz <drow@false.org> writes:
> On Thu, Jul 17, 2008 at 08:29:42PM +0100, Richard Sandiford wrote:
>> No, you're probably right.  Sorry for missing this.
>
> No trouble.  I have found one caveat: MIPS16 call stubs generated by
> GCC sometimes make an indirect call through $1.  When TARGET_ABICALLS,
> it should be possible to make the call through $25.  Or if the
> instruction set does not permit, make the call through $1 but also set
> $25.  I don't think I'll be able to test MIPS16 code generation, but
> I'll include a patch for this in the submission I'm preparing.

We should just call through $25 all the time, TARGET_ABICALLS or not.
(This is non-MIPS16 code.)

It should just be a case of s/@%/@^/ in the mips16-pic.patch.  I can
test that and send an updated patch if you like.

Richard
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