[Dwarf-discuss] DWARF register numbers on MIPS

[Seva Alekseyev]

Thanks, better than nothing. Can't be complete though - it only has 
space for 35 FP registers, while there is a flavor of MIPS out there 
with 64.



On 8/16/2023 11:37 AM, John DelSignore wrote:
>
> If you can’t find it in an ABI document… You might want to look at the 
> GDB sources, which usually contains the code to handle various 
> targets, probably in a file named “gdb/mips*tdep.h”.
>
> Cheers, John D.
>
> *From:* Dwarf-discuss 
> <dwarf-discuss-bounces+jdelsignore=perforce.com@lists.dwarfstd.org>*On 
> Behalf Of *Seva Alekseyev via Dwarf-discuss
> *Sent:* Wednesday, August 16, 2023 11:23 AM
> *To:* dwarf-discuss@lists.dwarfstd.org
> *Subject:* [Dwarf-discuss] DWARF register numbers on MIPS
>
> What is the canonical mapping between DWARF register numbers and 
> MIPS32 CPU registers, please? The first 32 ones are the general 
> purpose registers, but what about beyond that (e. g. lo/hi)?
>
> A link to an authoritative document would be most welcome. DWARF 
> proper doesn't document this kind of thing, it's usually a part of the 
> ABI, but the ABI handbook doesn't seem to mention DWARF.
>
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