[PATCH v6 2/5] modules: Support extended MODVERSIONS info

[Luis Chamberlain]

On Tue, Oct 15, 2024 at 11:18:57PM +0000, Matthew Maurer wrote:
> Adds a new format for MODVERSIONS which stores each field in a separate
> ELF section. This initially adds support for variable length names, but
> could later be used to add additional fields to MODVERSIONS in a
> backwards compatible way if needed. Any new fields will be ignored by
> old user tooling, unlike the current format where user tooling cannot
> tolerate adjustments to the format (for example making the name field
> longer).
> 
> Since PPC munges its version records to strip leading dots, we reproduce
> the munging for the new format. Other architectures do not appear to
> have architecture-specific usage of this information.

I'd like some PPC person to review this, and also please document
this under dedotify_ext_version_names().

  Luis