| #!/bin/bash |
| # SPDX-License-Identifier: GPL-2.0+ |
| # Copyright (C) 2020 Marek Behún <kabel@kernel.org> |
| |
| # Generate __ADDRESSABLE(symbol) for every linker list entry symbol, so that LTO |
| # does not optimize these symbols away |
| |
| # The expected parameter of this script is the command requested to have |
| # the U-Boot symbols to parse, for example: $(NM) $(u-boot-main) |
| |
| set -e |
| |
| echo '#include <linux/compiler.h>' |
| $@ 2>/dev/null | grep -oe '_u_boot_list_2_[a-zA-Z0-9_]*_2_[a-zA-Z0-9_]*' \ |
| -e '__stack_chk_guard' | sort -u | \ |
| sed -e 's/^\(.*\)/extern char \1[];\n__ADDRESSABLE(\1);/' |