upcoming elfdump refactoring

[Maxim Sobolev]

Luigi Rizzo wrote:
> I need to extract value and size of some symbols from an ELF file,
> and make them available to a C program, something like
>  
>     nm -S /boot/kernel/kernel | grep -E "(kernload|kernbase|uscanner_devs)"
> 
> Rather than using the above tools plus popen() and some parsing code,
> I have refactored src/usr.bin/elfdump/elfdump.c ,
> making the main routine externally callable, returning the
> desired info in a struct rather than print them out.
> 
> I don't know if/how other programs might need to call elfdump(),
> but given that the changes I made have no functional or performance
> drawback, I would like to commit them to the tree.
> Objections ?
> 
> (note, the diff will be large because in the process I also removed
> global variables and staticize/constify things)

Why not make this function part of libelf?

-Maxim