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Subject[PATCH 2/2] scripts/faddr2line: Add CONFIG_DEBUG_INFO check
Date
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>
---
scripts/faddr2line | 3 +++
1 file changed, 3 insertions(+)

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

--
2.36.1
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