On Mon, Apr 12, 2021 at 01:44:54PM +0200, Martin Liška wrote:
> This improves documentation as noticed by Jakub.
> 
> Ready for master?
> Thanks,
> Martin
> 
> gcc/ChangeLog:
> 
>       * doc/extend.texi: Be more precise in documentation
>       of symver attribute.

Ok, but I'd prefer to see the old example with the old description in the
documentation too, so that people who don't have gcc configured against
binutils 2.35 or newer know what to do instead.

> --- a/gcc/doc/extend.texi
> +++ b/gcc/doc/extend.texi
> @@ -3848,7 +3848,8 @@ foo_v1 (void)
>  Will produce a @code{.symver foo_v1, foo@@VERS_1} directive in the assembler
>  output. 
>  
> -One can also define multiple version for a given symbol.
> +One can also define multiple version for a given symbol
> +(starting from binutils 2.35).
>  
>  @smallexample
>  __attribute__ ((__symver__ ("foo@@VERS_2"), __symver__ ("foo@@VERS_3")))
> @@ -3863,8 +3864,8 @@ int symver_bar_v1 (void)
>  @}
>  @end smallexample
>  
> -This example creates an alias of @code{foo_v1} with symbol name
> -@code{symver_foo_v1} which will be version @code{VERS_2} of @code{foo}.
> +This example creates a symbol name @code{symver_foo_v1}
> +which will be version @code{VERS_2} and @code{VERS_3} of @code{foo}.
>  
>  Finally if the parameter is @code{"@var{name2}@@@@@var{nodename}"} then in
>  addition to creating a symbol version (as if
> -- 
> 2.31.1

        Jakub

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