Re: [edk2-devel] VA_LIST on AARCH64 GCC vs CLANGPDB

[Ard Biesheuvel via groups.io]

On Thu, 14 May 2026, at 20:11, Oliver Smith-Denny wrote:
> On 5/13/2026 8:50 AM, Oliver Smith-Denny wrote:
>> On 5/13/2026 3:42 AM, Ard Biesheuvel via groups.io wrote:
>>> On Tue, 12 May 2026, at 22:02, Oliver Smith-Denny via groups.io wrote:
>>>
>>> (Untested attempt below)
>>>
...
>> 
>> Doug and I started down this path yesterday as well, I'll do some
>> testing of this today (and compare our version to yours, make sure we
>> didn't miss something).
>> 
>
> This worked in our testing, both in the original crypto API failure
> case and a pair of test drivers I wrote that communicate via protocol,
> calling variadic functions (which should always work, but I wanted to
> make sure) and passing VA_LIST as a parameter. Each side validated the
> expected input/output. I tried all four combinations of GCC vs CLANGPDB
> built consumer/producer and all worked (without this change all
> four combinations were broken).

VA_LIST or VA_LIST* ?

> Do you want to put up a PR for this? I can, but I didn't make any
> changes to your suggestion, it "just worked." Feel free to add a
> tested-by for me, not that carries too much weight :)
>

Excellent! 

Feel free to propose a pr, and credit/blame me in the commit log 😃



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