[LLVMdev] Target Assembly Parser: Access to Reloc::Model

[Rafael Espíndola]

Can't this be handled in the Streamer? That way the asm streamer can
just print "la" and ".cpload" and the object streamer already has the
necessary information.

Cheers,
Rafael


On 25 February 2014 11:31, Matheus Almeida <Matheus.Almeida at imgtec.com> wrote:
> Some Mips macros (e.g. la[1]) and the handling of Mips directives used for
> Position-Independent Programming (e.g. .cpload[2]) require access to
> Reloc::Model from within the Assembly Parser but there doesn’t seem to be a
> way to do it in its current form.
>
>   1) Reloc::Model is passed to MCObjectFileInfo but it’s a private member of
> that class
>
>   2) TargetMachine is not accessible
>
>
>
> I can also see that clang initializes MCObjectFileInfo with Reloc::Default
> which isn’t entirely right but that’s a different matter. I’ll come back to
> that later after we decide what’s the right approach to fix this issue.
>
>
>
> Any suggestions about the right way to expose the relocation model to the
> assembly parser ?
>
>
>
> [1] la – load address. Roughly speaking this macro expands to a GOT access
> if generating PIC or to an absolute access if not .
>
> [2] .cpload – This directive sets up $gp (Global Pointer) if PIC or it can
> be ignored for the static model.
>
>
>
> Regards,
>
> Matheus
>
>
> _______________________________________________
> LLVM Developers mailing list
> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>