From 457fef1d64176b6f7228c9baf02b8e45b0dcbc0d Mon Sep 17 00:00:00 2001
From: Vitaly Chikunov <vt@altlinux.org>
Date: Tue, 15 Dec 2020 04:36:52 +0300
Subject: [PATCH] debuginfo: strip --reloc-debug-sections for kernel modules

`--reloc-debug-sections` resolves trivial relocs between debug
sections and designed for use on kernel modules debug (.ko.debug)
reducing their sizes.
---
 scripts/process-debuginfo.in | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/scripts/process-debuginfo.in b/scripts/process-debuginfo.in
index 6dbfb7d..e471ad3 100755
--- a/scripts/process-debuginfo.in
+++ b/scripts/process-debuginfo.in
@@ -18,9 +18,11 @@ mkdir -p .tmp
 f=$1
 rezip=
 elfcompress=
+strip_rel=
 
 if [ -z "${f#./lib/modules/*.ko}" ]; then
 	elfcompress=yes
+	strip_rel="--reloc-debug-sections"
 elif [ -z "${f#./lib/modules/*.ko.[gx]z}" ]; then
 	rezip=${f##*.}
 	rezip=${rezip/gz/gzip}
@@ -28,6 +30,7 @@ elif [ -z "${f#./lib/modules/*.ko.[gx]z}" ]; then
 	$rezip --decompress --force "$f"
 	f=${f%.[gx]z}
 	elfcompress=yes
+	strip_rel="--reloc-debug-sections"
 elif [ -z "${f##./boot/vmlinuz-*}" ]; then
 	# Compressed kernel: trigger extraction of vmlinux from the source.
 	kver=${f#./boot/vmlinuz-}
@@ -81,7 +84,7 @@ if [ ! -s .tmp/src.$$ ] && [ -x /usr/bin/eu-elfcompress ]; then
 fi
 if [ -n "$strip" ]; then
 	mkdir -p "${debugf%/*}"
-	LD_ORIGIN_PATH=/usr/bin eu-strip $strip --remove-comment -f "$debugf" "$f"
+	LD_ORIGIN_PATH=/usr/bin eu-strip $strip $strip_rel --remove-comment -f "$debugf" "$f"
 
 	if [ -n "$elfcompress" ] && [ -x /usr/bin/eu-elfcompress ]; then
 		LD_ORIGIN_PATH=/usr/bin eu-elfcompress --quiet "$debugf"