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| author |   Jiri Olsa <jolsa@redhat.com> | 2021-10-29 14:57:29 +0200 |
|---|---|---|
| committer |   Andrii Nakryiko <andrii@kernel.org> | 2021-11-01 18:09:58 -0700 |
| commit | 9741e07ece7c247dd65e1aa01e16b683f01c05a8 (patch) | |
| tree | f8124044849c3341e81ed559ec03e4fa2dbc94e9 /scripts/link-vmlinux.sh | |
| parent | selftests/bpf: Add a testcase for 64-bit bounds propagation issue. (diff) | |
| download | linux-dev-9741e07ece7c247dd65e1aa01e16b683f01c05a8.tar.xz linux-dev-9741e07ece7c247dd65e1aa01e16b683f01c05a8.zip | |
kbuild: Unify options for BTF generation for vmlinux and modules
Using new PAHOLE_FLAGS variable to pass extra arguments to
pahole for both vmlinux and modules BTF data generation.
Adding new scripts/pahole-flags.sh script that detect and
prints pahole options.
[ fixed issues found by kernel test robot ]
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20211029125729.70002-1-jolsa@kernel.org
Diffstat (limited to 'scripts/link-vmlinux.sh')
| -rwxr-xr-x | scripts/link-vmlinux.sh | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh index d74cee5c4326..3ea7cece7c97 100755 --- a/scripts/link-vmlinux.sh +++ b/scripts/link-vmlinux.sh @@ -205,7 +205,6 @@ vmlinux_link() gen_btf() { local pahole_ver - local extra_paholeopt= if ! [ -x "$(command -v ${PAHOLE})" ]; then echo >&2 "BTF: ${1}: pahole (${PAHOLE}) is not available" @@ -220,16 +219,8 @@ gen_btf() vmlinux_link ${1} - if [ "${pahole_ver}" -ge "118" ] && [ "${pahole_ver}" -le "121" ]; then - # pahole 1.18 through 1.21 can't handle zero-sized per-CPU vars - extra_paholeopt="${extra_paholeopt} --skip_encoding_btf_vars" - fi - if [ "${pahole_ver}" -ge "121" ]; then - extra_paholeopt="${extra_paholeopt} --btf_gen_floats" - fi - info "BTF" ${2} - LLVM_OBJCOPY="${OBJCOPY}" ${PAHOLE} -J ${extra_paholeopt} ${1} + LLVM_OBJCOPY="${OBJCOPY}" ${PAHOLE} -J ${PAHOLE_FLAGS} ${1} # Create ${2} which contains just .BTF section but no symbols. Add # SHF_ALLOC because .BTF will be part of the vmlinux image. --strip-all |