[PATCH] elflint: Always print symbol name (if known) in error messages.

[Dmitry V. Levin]

On Tue, Dec 15, 2020 at 09:52:40PM +0100, Mark Wielaard wrote:
> Adding the symbol name associated with the symbol index number
> makes the error messages a little bit more useful. We used to say:
> 
> section [59] '.symtab': symbol 9: st_value out of bounds
> 
> But now says:
> 
> section [59] '.symtab': symbol 9 (.annobin_size.c.hot): st_value out of bounds

This is nice, thanks.
I have one question about the patch:

[...]
> --- a/src/elflint.c
> +++ b/src/elflint.c
> @@ -706,7 +706,7 @@ section [%2d] '%s': XINDEX for zeroth entry not zero\n"),
>  	  continue;
>  	}
>  
> -      const char *name = NULL;
> +      const char *name = "<invalid>";

This variable is used in some checks, for example, it's being passed
to ebl_check_special_symbol.  I'd like to make sure this change
doesn't have any unintended consequences.


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ldv