Re: [Bug-readline] [PATCH] Enable visibility annotations

[Yury Gribov]

On 04/14/2016 06:49 PM, Pedro Alves wrote:
> On 04/14/2016 03:41 PM, Yury Gribov wrote:
> > # Find all imported symbols in rootfs
> > for f in $(find /bin /sbin /usr/bin /usr/sbin /usr/lib* /lib*); do if
> > file $f | grep -q ELF; then readelf -sDW $f | awk '/UND/{print $9}'; fi
>
> This doesn't seem right -- does it catch references to global variables?
> Those won't be UND, I believe?

You mean that linker generates copies of imported globals and then 
resolves them via copy relocations?  Yeah, to detect those I'll need to 
examine copy relocations though, will do that tomorrow.

> > ; done > all_undefs.lst
> > sort -u all_undefs.lst > all_undefs_sorted.lst
>
> Thanks,
> Pedro Alves