original_kernel/scripts/orc_hash.sh

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#!/bin/sh
# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (c) Meta Platforms, Inc. and affiliates.
set -e
printf '%s' '#define ORC_HASH '
awk '
/^#define ORC_(REG|TYPE)_/ { print }
/^struct orc_entry {$/ { p=1 }
p { print }
/^}/ { p=0 }' |
sha1sum |
cut -d " " -f 1 |
sed 's/\([0-9a-f]\{2\}\)/0x\1,/g'