# Request for clarification of handling stack-passed parameters
## Background
I came across this while parsing parameters of a variadic function in C. Formal
parameters are not sufficient for my case, since all the variadic arguments are
described with a single `DW_TAG_unspecified_parameters`,
would be evaluated in the
> context of the caller.
> --paulr
>
> From: Dwarf-discuss
> On Behalf
> Of Sergey via Dwarf-discuss
> Sent: Wednesday, June 12, 2024 9:57 AM
> To: dwarf-discuss@lists.dwarfstd.org
> Subject: [Dwarf-discuss] Request for clarification of handling stack-
way. There should be a
> > DW_TAG_call_site_parameter for each parameter. DW_AT_location should
> > describe the stack slot where the parameter is passed. It should not be a
> > problem for the compiler to do that, the location description would be
> > evaluated in the
