gen_ll_addressable_symbols.sh 412 B

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  1. #!/bin/bash
  2. # SPDX-License-Identifier: GPL-2.0+
  3. # Copyright (C) 2020 Marek Behún <marek.behun@nic.cz>
  4. # Generate __ADDRESSABLE(symbol) for every linker list entry symbol, so that LTO
  5. # does not optimize these symbols away
  6. set -e
  7. echo '#include <common.h>'
  8. $NM "$@" 2>/dev/null | grep -oe '_u_boot_list_2_[a-zA-Z0-9_]*_2_[a-zA-Z0-9_]*' | \
  9. sort -u | sed -e 's/^\(.*\)/extern char \1[];\n__ADDRESSABLE(\1);/'