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rtld: Add test case for '--' option

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Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
This commit is contained in:
Henrik Lindström 2024-07-26 12:33:51 +02:00 committed by Adhemerval Zanella
parent 2227195794
commit bd1719aca5
2 changed files with 48 additions and 0 deletions
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7
elf/Makefile
View File

@ -634,6 +634,13 @@ $(objpfx)tst-rtld-does-not-exist.out: tst-rtld-does-not-exist.sh $(objpfx)ld.so
$(SHELL) $< $(objpfx)ld.so > $@; \
$(evaluate-test)
ifeq ($(run-built-tests),yes)
tests-special += $(objpfx)tst-rtld-dash-dash.out
endif
$(objpfx)tst-rtld-dash-dash.out: tst-rtld-dash-dash.sh $(objpfx)ld.so
$(SHELL) $< $(objpfx)ld.so > $@; \
$(evaluate-test)
tests += $(tests-execstack-$(have-z-execstack))
ifeq ($(run-built-tests),yes)
tests-special += \

41
elf/tst-rtld-dash-dash.sh Normal file
View File

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