On Mon, Aug 31, 2020 at 12:03 PM Ian <icampb...@gmail.com> wrote: > > Interestingly enough adding just -g in my Makefile built the BPF programs and > allowed the BTF section to be found and properly loaded. My BPF program was > loaded and is running properly with my desired functionality. I am confused > though as to why the -g flag fixed this problem. Which according to the clang > man page: > > -g Generate debug information. > > Is BTF information considered debug information? Is that in general or in > this case? Is the this unexpected behavior? Perhaps a bug of clangs non -g > compiled binaries with BPF? It would seem to me that the BTF information > should not be purged from a non -g binary. I am interested to hear your > thought on this Andrii! >
It's expected right now. BTF started out as purely debug information, but got elevated into pretty much a mandatory thing for modern BPF applications. We've talked about making .BTF emitted without -g, but that hasn't happened in Clang yet (there are some technical difficulties). > Again, thank you so much for your help. There is no way I would have figured > that out on my own. > > Ian > -=-=-=-=-=-=-=-=-=-=-=- Links: You receive all messages sent to this group. View/Reply Online (#1909): https://lists.iovisor.org/g/iovisor-dev/message/1909 Mute This Topic: https://lists.iovisor.org/mt/76194102/21656 Group Owner: iovisor-dev+ow...@lists.iovisor.org Unsubscribe: https://lists.iovisor.org/g/iovisor-dev/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
