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