| Marek Behún | c109498 | 2021-05-20 13:24:03 +0200 | [diff] [blame] | 1 | #!/bin/bash |
| 2 | # SPDX-License-Identifier: GPL-2.0+ |
| Marek Behún | 61143f7 | 2022-06-01 17:17:06 +0200 | [diff] [blame] | 3 | # Copyright (C) 2020 Marek Behún <kabel@kernel.org> |
| Marek Behún | c109498 | 2021-05-20 13:24:03 +0200 | [diff] [blame] | 4 | |
| 5 | # Generate __ADDRESSABLE(symbol) for every linker list entry symbol, so that LTO |
| 6 | # does not optimize these symbols away |
| 7 | |
| Patrick Delaunay | ff7852d | 2021-07-21 09:56:07 +0200 | [diff] [blame] | 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 | |
| Marek Behún | c109498 | 2021-05-20 13:24:03 +0200 | [diff] [blame] | 11 | set -e |
| 12 | |
| 13 | echo '#include <common.h>' |
| Patrick Delaunay | ff7852d | 2021-07-21 09:56:07 +0200 | [diff] [blame] | 14 | $@ 2>/dev/null | grep -oe '_u_boot_list_2_[a-zA-Z0-9_]*_2_[a-zA-Z0-9_]*' | \ |
| Marek Behún | c109498 | 2021-05-20 13:24:03 +0200 | [diff] [blame] | 15 | sort -u | sed -e 's/^\(.*\)/extern char \1[];\n__ADDRESSABLE(\1);/' |