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bbef829f9d
Add the STACKPROTECTOR symbols to the script that generates the symbols that should not be removed by the use of LTO when linking a shared object. This prevents a fail to build due to link errors. https://source.denx.de/u-boot/u-boot/-/issues/35 Signed-off-by: Andrew Goodbody <andrew.goodbody@linaro.org> Reviewed-by: Simon Glass <sjg@chromium.org>
16 lines
577 B
Bash
Executable file
16 lines
577 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 <kabel@kernel.org>
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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) $(u-boot-main)
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set -e
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echo '#include <linux/compiler.h>'
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$@ 2>/dev/null | grep -oe '_u_boot_list_2_[a-zA-Z0-9_]*_2_[a-zA-Z0-9_]*' \
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-e '__stack_chk_guard' | sort -u | \
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sed -e 's/^\(.*\)/extern char \1[];\n__ADDRESSABLE(\1);/'
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