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Add valgrind smoke test

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Check if whether valgrind is available in the test environment.
If not, skip the test. Run smoke tests with valgrind to verify dynamic loader.
First, check if algrind works with the system ld.so in the test
environment. Then run the actual test inside the test environment,
using the just build ld.so and new libraries.

Co-authored-by: Mark Wielaard <mark@klomp.org>
This commit is contained in:
Alexandra Hájková 2021-10-26 11:42:44 +02:00
parent 8c86ba4463
commit 6c2f050dbe
3 changed files with 102 additions and 0 deletions
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7
elf/Makefile
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@ -450,6 +450,7 @@ tests += \
unload6 \
unload7 \
unload8 \
valgrind-test \
# tests
tests-cxx = \
tst-dlopen-nodelete-reloc \
@ -524,6 +525,12 @@ tests-special += \
endif
endif
endif
tests-special += $(objpfx)tst-valgrind-smoke.out
$(objpfx)tst-valgrind-smoke.out: tst-valgrind-smoke.sh $(objpfx)ld.so $(objpfx)valgrind-test
$(SHELL) $< $(objpfx)ld.so $(rtlddir)/$(rtld-installed-name) '$(test-wrapper-env)' \
'$(run-program-env)' '$(rpath-link)' $(objpfx)valgrind-test > $@; $(evaluate-test)
tests += $(tests-execstack-$(have-z-execstack))
ifeq ($(run-built-tests),yes)
tests-special += \

46
elf/tst-valgrind-smoke.sh Normal file
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@ -0,0 +1,46 @@
#!/bin/sh
# Valgrind smoke test.
# Copyright (C) 2022 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/>.
set -e
rtld="$1"
system_rtld="$2"
test_wrapper_env="$3"
run_program_env="$4"
library_path="$5"
test_prog="$6"
# Test whether valgrind is available in the test
# environment. If not, skip the test.
${test_wrapper_env} ${run_program_env} \
/bin/sh -c "command -v valgrind" || exit 77
# Test valgrind works with the system ld.so in the test environment
/bin/sh -c \
"${test_wrapper_env} ${run_program_env} \
valgrind -q --error-exitcode=1 \
${system_rtld} /bin/echo ${system_rtld}" || exit 77
# Finally the actual test inside the test environment,
# using the just build ld.so and new libraries to run
# the smoke test under valgrind.
/bin/sh -c \
"${test_wrapper_env} ${run_program_env} \
valgrind -q --error-exitcode=1 \
${rtld} --library-path ${library_path} ${test_prog} ${rtld}"

49
elf/valgrind-test.c Normal file
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@ -0,0 +1,49 @@
/* This is the simple test intended to be called by
tst-valgrind-smoke to perform vagrind smoke test.
Copyright (C) 2022 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/>. */
#include <errno.h>
#include <libintl.h>
#include <locale.h>
#include <limits.h>
#include <stdlib.h>
#include <stdio.h>
#include <support/support.h>
int
main (int argc, char **argv)
{
/* Do some non-trivial stuff that has been known to trigger
issues under valgrind in the past.
Setting up the locale textdomain makes sure to test some
string/path comparisons, file search and library loading. */
xsetlocale (LC_ALL, "");
if (bindtextdomain ("translit", "") == NULL)
return errno;
if (textdomain ("translit") == NULL)
return errno;
/* Show what we are executing and how... */
char *me = realpath (argv[0], NULL);
printf ("bin: %s\n", me);
printf ("ld.so: %s\n", argv[1]);
free (me);
return 0;
}