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rtld: Add test case for '--' option
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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@ -634,6 +634,13 @@ $(objpfx)tst-rtld-does-not-exist.out: tst-rtld-does-not-exist.sh $(objpfx)ld.so
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$(SHELL) $< $(objpfx)ld.so > $@; \
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$(evaluate-test)
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ifeq ($(run-built-tests),yes)
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tests-special += $(objpfx)tst-rtld-dash-dash.out
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endif
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$(objpfx)tst-rtld-dash-dash.out: tst-rtld-dash-dash.sh $(objpfx)ld.so
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$(SHELL) $< $(objpfx)ld.so > $@; \
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$(evaluate-test)
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tests += $(tests-execstack-$(have-z-execstack))
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ifeq ($(run-built-tests),yes)
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tests-special += \
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41
elf/tst-rtld-dash-dash.sh
Normal file
41
elf/tst-rtld-dash-dash.sh
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@ -0,0 +1,41 @@
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#!/bin/sh
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# Test for the '--' option in ld.so.
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# Copyright (C) 2024 Free Software Foundation, Inc.
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# This file is part of the GNU C Library.
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# The GNU C Library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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# The GNU C Library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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# You should have received a copy of the GNU Lesser General Public
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# License along with the GNU C Library; if not, see
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# <https://www.gnu.org/licenses/>.
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export LC_ALL=C
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# --inhibit-cache to suppress "No such file or directory" message when
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# /etc/ld.so.cache does not exist.
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rtld="$1 --inhibit-cache"
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tmp_out="$(mktemp)"
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$rtld -- --program-does-not-exist 2>"$tmp_out"
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status=$?
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echo "$rtld exit status: $status"
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echo "output (with expected error):"
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cat "$tmp_out"
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if test $status -eq 127 \
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&& grep -q "^--program-does-not-exist: error while loading shared libraries: --program-does-not-exist: cannot open shared object file$" "$tmp_out" \
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&& test "$(wc -l < "$tmp_out")" -eq 1 ; then
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status=0
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else
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status=1
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fi
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rm "$tmp_out"
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exit $status
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