Re: symbol size as function size

[Paulo J Matos <pocmatos at gmail dot com>]

On Fri, 24 Jun 2011 12:01:49 +0930, Alan Modra wrote:
> 
> a) Invent an assembler syntax that allows access to ELF symbol size,
>    "sum@size" perhaps.  (I'm assuming this is ELF only.)  "sum" would
>    not even need to be a defined symbol, it could be external.
> b) Arrange for the assembler to emit a relocation on uses of
>    "sum@size", R_XXX_SIZE against symbol "sum".
> c) Teach the linker relaxation functions to update ELF symbol size,
>    and add processing of the new relocation.


I guess I found out why you didn't mention md_allow_local_subtract. It's 
not available in 2.17. I will talk about upgrading to 2.21 and decide then 
on the best course of action.

Thank you all for the help,





-- 
PMatos