[PATCH v4 3/4] gas: sframe: Represent .cfi_undefined RA as FRE without offsets
Jens Remus
jremus@linux.ibm.com
Fri Sep 12 10:36:04 GMT 2025
Hello Indu!
On 9/2/2025 12:35 AM, Indu Bhagat via Binutils wrote:
> (Closing the open ends on this patch series..)
Thanks! Slowly picking back up from where I left off before my vacation.
> Yes thats what I meant: single FRE with ra_undefined_p set for the
> address range from the PC where DW_CFA_undefined RA and onwards until
> the end PC of FDE.
>
> I think we both agree that the other fields (cfa base reg id,
> RA mangled bit) are not useful when ra_undefined_p is set, and
> resetting them to a ground state is a good thing to do. Your patch
> was already attempting to do that for the FRE (representing
> DW_CFA_undefined RA).
>
> But in light of keeping SFrame flexible like DWARF in regard to
> representing cfi_undefined RA, your approach is more aligned.
>
> Lets go with your V5 and move forward.
I'll incorporate your V5 review feedback and send a V6.
Regards,
Jens
--
Jens Remus
Linux on Z Development (D3303)
+49-7031-16-1128 Office
jremus@de.ibm.com
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