glibc/tests/Regression/bz868808-backtrace-for-recursive-functions/runtest.sh

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#!/bin/bash
# vim: dict=/usr/share/beakerlib/dictionary.vim cpt=.,w,b,u,t,i,k
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#
# runtest.sh of /tools/glibc/Regression/bz868808-backtrace-for-recursive-functions
# Description: Calls and verifies result of 'backtrace' while performing recursion.
# Author: Arjun Shankar <ashankar@redhat.com>
#
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#
# Copyright (c) 2013 Red Hat, Inc. All rights reserved.
#
# This copyrighted material is made available to anyone wishing
# to use, modify, copy, or redistribute it subject to the terms
# and conditions of the GNU General Public License version 2.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public
# License along with this program; if not, write to the Free
# Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
# Boston, MA 02110-1301, USA.
#
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Include Beaker environment
. /usr/share/beakerlib/beakerlib.sh || exit 1
PACKAGES=(glibc glibc-devel gcc)
rlJournalStart
rlPhaseStartSetup
for p in "${PACKAGES[@]}"; do
rlAssertRpm "$p"
done; unset p
rlRun "TmpDir=\$(mktemp -d)" 0 "Creating tmp directory"
rlRun "cp bt-tst.c $TmpDir"
rlRun "pushd $TmpDir"
rlRun "gcc -O0 -rdynamic bt-tst.c -o bt-tst"
rlAssertExists "bt-tst"
rlPhaseEnd
rlPhaseStartTest
rlRun "./bt-tst 10 > bt-tst.out"
OUTPUT_LC="$(cat bt-tst.out | wc -l)"
rlAssertGreaterOrEqual "At least 13 entries in the backtrace" $OUTPUT_LC 13
function checkBackTrace {
BT_STACK_ENTRY="$(cat bt-tst.out | tail -n $(($OUTPUT_LC -$1)) | head -n1)"
if [[ $BT_STACK_ENTRY == *"./bt-tst($2"* ]]
then
rlPass "Expect '$2' @ $1 positions below top-of-stack: \"$BT_STACK_ENTRY\""
else
rlFail "Expect '$2' @ $1 positions below top-of-stack: \"$BT_STACK_ENTRY\""
fi
}
# Check each line of the backtrace, right down to `main':
checkBackTrace 0 last
checkBackTrace 1 ")"
for i in {2..11}
do
checkBackTrace $i recursive
done
checkBackTrace 12 main
rlPhaseEnd
rlPhaseStartCleanup
rlRun "popd"
rlRun "rm -r $TmpDir" 0 "Removing tmp directory"
rlPhaseEnd
rlJournalPrintText
rlJournalEnd