ohhhhhhhhhhh (exclude linux-extra-rootfs.img build artifact)

CODE/linux/tmp_restore_persist_ld.sh

@@ -0,0 +1,65 @@
+#!/usr/bin/env bash
+# Restore persist ld.so/libc from the native extra copy (objcopy left
+# zero-size GNU_PROPERTY headers). Then re-inject session + helper.
+set -uo pipefail
+ROOT=/mnt/d/Code/DEAICUP/Deshab
+OUT="$ROOT/.build_tmp/restore_persist_ld.out"
+exec > >(stdbuf -oL tee "$OUT") 2>&1
+killall qemu-system-x86_64 2>/dev/null || true
+
+WANT_LD=1e794eb14f4bccf6186bf8d9aa2018e8963ea668
+WANT_LIBC=503200d7fda94a5dc6058d7e0694e5d1dcb2e372
+SRC=""
+S=""
+for p in /home/deshab/linux-extra-rootfs.img /root/extra_rootfs_work/extra-rootfs.img; do
+    [[ -f "$p" ]] || continue
+    echo "[restore] candidate $p"
+    t=$(mktemp -d)
+    if ! mount -o loop,ro "$p" "$t"; then
+        rmdir "$t"
+        continue
+    fi
+    bid=$(readelf -n "$t/usr/lib/ld-linux-x86-64.so.2" 2>/dev/null | awk '/Build ID:/ {print $3; exit}')
+    echo "[restore] $p ld.so buildid=$bid"
+    readelf -l "$t/usr/lib/ld-linux-x86-64.so.2" 2>/dev/null | grep -A1 GNU_PROPERTY || true
+    if [[ "$bid" == "$WANT_LD" ]]; then
+        SRC="$p"
+        S="$t"
+        break
+    fi
+    umount "$t"
+    rmdir "$t"
+done
+if [[ -z "$SRC" ]]; then
+    echo "[restore] no matching native extra copy (want $WANT_LD)"
+    exit 1
+fi
+echo "[restore] src $SRC"
+
+IMG=/home/deshab/deshab-dev.img
+LOOP=$(losetup --find --show --partscan "$IMG")
+sleep 0.3
+M=$(mktemp -d)
+mount "${LOOP}p1" "$M"
+E=$(mktemp -d)
+mount -o loop "$M/boot/linux-extra-rootfs.img" "$E"
+echo "[restore] dst before"
+readelf -l "$E/usr/lib/ld-linux-x86-64.so.2" 2>&1 | grep -A1 GNU_PROPERTY || true
+cp -a "$S/usr/lib/ld-linux-x86-64.so.2" "$E/usr/lib/ld-linux-x86-64.so.2"
+# libc.so.6 may be a symlink to libc.so.6 real file
+src_libc=$(readlink -f "$S/usr/lib/libc.so.6")
+dst_libc=$(readlink -f "$E/usr/lib/libc.so.6")
+echo "[restore] libc $src_libc -> $dst_libc"
+cp -a "$src_libc" "$dst_libc"
+chmod 0755 "$E/usr/lib/ld-linux-x86-64.so.2" "$dst_libc"
+echo "[restore] dst after"
+readelf -l "$E/usr/lib/ld-linux-x86-64.so.2" 2>&1 | grep -A2 GNU_PROPERTY || true
+readelf -n "$E/usr/lib/ld-linux-x86-64.so.2" 2>&1 | grep -i 'x86 feature\|SHSTK\|IBT\|GNU_PROPERTY' || true
+umount "$E"
+rmdir "$E"
+umount "$M"
+losetup -d "$LOOP"
+rmdir "$M"
+umount "$S"
+rmdir "$S"
+echo "[restore] extra ld.so restored"