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
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