Re: [GCC16 stage 1][RFC][PATCH 0/3]extend "counted_by" attribute to pointer fields of structures

[Qing Zhao]

> On Jan 20, 2025, at 16:19, Joseph Myers <josmy...@redhat.com> wrote:
> 
> On Sat, 18 Jan 2025, Kees Cook wrote:
> 
>> Gaining access to global variables is another gap Linux has -- e.g. we
>> have arrays that are sized by the global number-of-cpus variable. :)
> 
> Note that it's already defined that counted_by takes an identifier for a 
> structure member (i.e. not an expression, not following the name lookup 
> rules used in expressions).  So some different syntax that only takes an 
> expression and not an identifier interpreted as a structure member would 
> be needed for anything that allows use of a global variable.

If we need to add such syntax for counted_by (I,e,  an expresson), can we still 
keep the same attribute
Name, all we need a new attribute name for the new syntax?

Qing
> 
> -- 
> Joseph S. Myers
> josmy...@redhat.com
>