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| author | Josh Poimboeuf <jpoimboe@kernel.org> | 2022-07-21 11:01:24 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2022-08-02 22:08:17 +0200 |
| commit | a41a2e2e34a907bd8979a53c58f44287630616e8 (patch) | |
| tree | 3fe061ff11a6d1fede6e5d5818d9d8e9a6ed5b1d /scripts | |
| parent | b6a5068854cfe372da7dee3224dcf023ed5b00cb (diff) | |
| download | lwn-a41a2e2e34a907bd8979a53c58f44287630616e8.tar.gz lwn-a41a2e2e34a907bd8979a53c58f44287630616e8.zip | |
scripts/faddr2line: Add CONFIG_DEBUG_INFO check
Otherwise without DWARF it spits out gibberish and gives no indication
of what the problem is.
Suggested-by: John Garry <john.garry@huawei.com>
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Tested-by: John Garry <john.garry@huawei.com>
Link: https://lore.kernel.org/r/ffa7734c929445caa374bf9e68078300174f09b4.1658426357.git.jpoimboe@kernel.org
Diffstat (limited to 'scripts')
| -rwxr-xr-x | scripts/faddr2line | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/scripts/faddr2line b/scripts/faddr2line index 57099687e5e1..5514c23f45c2 100755 --- a/scripts/faddr2line +++ b/scripts/faddr2line @@ -61,6 +61,7 @@ die() { READELF="${CROSS_COMPILE:-}readelf" ADDR2LINE="${CROSS_COMPILE:-}addr2line" AWK="awk" +GREP="grep" command -v ${AWK} >/dev/null 2>&1 || die "${AWK} isn't installed" command -v ${READELF} >/dev/null 2>&1 || die "${READELF} isn't installed" @@ -271,6 +272,8 @@ LIST=0 [[ ! -f $objfile ]] && die "can't find objfile $objfile" shift +${READELF} --section-headers --wide $objfile | ${GREP} -q '\.debug_info' || die "CONFIG_DEBUG_INFO not enabled" + DIR_PREFIX=supercalifragilisticexpialidocious find_dir_prefix $objfile |