1#!/bin/bash 2# SPDX-License-Identifier: GPL-2.0+ 3# Copyright (C) 2020 Marek Behún <marek.behun@nic.cz> 4 5# Generate __ADDRESSABLE(symbol) for every linker list entry symbol, so that LTO 6# does not optimize these symbols away 7 8# The expected parameter of this script is the command requested to have 9# the U-Boot symbols to parse, for example: $(NM) $(u-boot-main) 10 11set -e 12 13echo '#include <common.h>' 14$@ 2>/dev/null | grep -oe '_u_boot_list_2_[a-zA-Z0-9_]*_2_[a-zA-Z0-9_]*' | \ 15 sort -u | sed -e 's/^\(.*\)/extern char \1[];\n__ADDRESSABLE(\1);/' 16