[PATCH] elf: Update symbol versioning link and comments

[Michael Matz]

Hello,

On Sun, 16 Nov 2025, H.J. Lu wrote:

> > > +/* Symbol is a global/weak defined/undefined base symbol.  */
> >
> > What is a base symbol?
> >
> 
> A base symbol can be created with:
> 
> asm (".symver foo_base, foo@");
> 
> to provide an unversioned compatible symbol:
> 
> https://patchwork.sourceware.org/project/binutils/patch/CAMe9rOrn7nycxB77kFFwmvO7Ury89Y9mms8OUYUs7X9PN0baFw@mail.gmail.com/

Please don't invent new terminology.  It's confusing enough already with 
the historic warts.  The above isn't an unversioned symbol.  It's one that 
uses VER_NDX_GLOBAL, and that _is_ a version.  If the file defining it 
contains a ver_def section then index 1 even may correspond to a named 
version.  If you must: call it "base version", as in

  /* Symbol is global/weak defined/undefined with base version.  */

or somesuch.


Ciao,
Michael.