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

CODE/linux/tmp_hdr_one.sh

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+# Dump the first 64 bytes of one lib inside extra-rootfs (native img).
+set -uo pipefail
+IMG="${1:?img}"
+NAME="${2:?libname}"
+L=$(losetup --find --show --partscan "$IMG")
+sleep 0.3
+M=$(mktemp -d)
+mount -o ro "${L}p1" "$M" || { echo ESP_FAIL; exit 1; }
+R=$(mktemp -d)
+mount -o loop,ro "$M/boot/linux-extra-rootfs.img" "$R" || { echo EXTRA_FAIL; exit 1; }
+echo "=== $NAME in extra-rootfs ==="
+od -A d -t x1 -N 64 "$R/usr/lib/$NAME"
+echo "=== readelf ==="
+readelf -h "$R/usr/lib/$NAME" 2>&1 | grep -E 'Class|Type|Entry|headers|Number of section' || true
+umount "$R"; rmdir "$R"
+umount "$M"; rmdir "$M"
+losetup -d "$L"