36 lines
1.0 KiB
Plaintext
36 lines
1.0 KiB
Plaintext
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#!/bin/sh -efu
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#
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# Copyright (C) 2010-2011 Alexey Tourbin <at@altlinux.org>
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# Copyright (C) 2018 Dmitry V. Levin <ldv@altlinux.org>
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# Copyright (C) 2018 Gleb Fotengauer-Malinovskiy <glebfm@altlinux.org>
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# All rights reserved.
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#
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# SPDX-License-Identifier: GPL-2.0-or-later
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export LC_ALL=C
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readelf --wide --dyn-syms -- "$@" |
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awk '+$1 && NF>=8 &&
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# dl-lookup.c: /st_value
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($2!="00000000" && $2!="0000000000000000" || $4=="TLS") &&
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# dl-lookup.c: /ALLOWED_STT
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($4=="NOTYPE" || $4=="OBJECT" || $4 == "FUNC" || $4=="COMMON" || $4=="TLS" || $4=="IFUNC") &&
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# dl-lookup.c: /hidden
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($6=="DEFAULT" || $6=="PROTECTED") &&
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# dl-lookup.c: /switch.*ST_BIND
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($5=="GLOBAL" || $5=="WEAK" || $5 == "UNIQUE") {
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# dl-lookup.c: /st_shndx
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match($0, "[[:space:]][[:digit:]]+[[:space:]]+([^[:space:]()@]+)(@+[^[:space:]()@]+)?$", a)
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sym = a[1]
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if (sym == "" ||
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# ignore special symbols found in each library
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sym == "__bss_start" ||
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sym == "_edata" ||
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sym == "_end" ||
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sym == "_fini" ||
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sym == "_init")
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next
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print sym
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}' |
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sort -u
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