https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109253
Bug ID: 109253
Summary: libbpf: failed to find BTF info for global/extern
symbol '__divdi3'
Product: gcc
Version: 13.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: debug
Assignee: unassigned at gcc dot gnu.org
Reporter: james.hilliard1 at gmail dot com
Target Milestone: ---
I'm seeing this gen object error which does not occur in llvm for a bpf
test(tcp_ca_write_sk_pacing.c) in bpf-next.
GCC gen object failure:
$ /home/buildroot/bpf-next/tools/testing/selftests/bpf/tools/sbin/bpftool
--debug gen object
/home/buildroot/bpf-next/tools/testing/selftests/bpf/bpf_gcc/tcp_ca_write_sk_pacing.bpf.linked1.o
/home/buildroot/bpf-next/tools/testing/selftests/bpf/bpf_gcc/tcp_ca_write_sk_pacing.bpf.o
libbpf: linker: adding object file
'/home/buildroot/bpf-next/tools/testing/selftests/bpf/bpf_gcc/tcp_ca_write_sk_pacing.bpf.o'...
libbpf: failed to find BTF info for global/extern symbol '__divdi3'
Error: failed to link
'/home/buildroot/bpf-next/tools/testing/selftests/bpf/bpf_gcc/tcp_ca_write_sk_pacing.bpf.o':
No such file or directory (2)
