tests/strace-k.test

#!/bin/sh
#
# Ensure that strace -k works.
#
# Copyright (c) 2014 Masatake YAMATO <yamato@redhat.com>
# Copyright (c) 2014-2015 Dmitry V. Levin <ldv@altlinux.org>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 3. The name of the author may not be used to endorse or promote products
#    derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

. "${srcdir=.}/init.sh"

$STRACE -h | grep '^[[:space:]]*-k[[:space:]]' > /dev/null ||
	skip_ 'strace -k is not available'

# strace -k is implemented using /proc/$pid/maps
[ -f /proc/self/maps ] ||
	framework_skip_ '/proc/self/maps is not available'

check_prog sed
check_prog tr

run_prog ./stack-fcall
run_strace -e getpid -k $args

expected='getpid f3 f2 f1 f0 main '
result=$(sed -n '1,/(main+0x[a-f0-9]\+) .*/ s/^.*(\([^+]\+\)+0x[a-f0-9]\+) .*/\1/p' "$LOG" |
	tr '\n' ' ')

test "$result" = "$expected" || {
	echo "expected: \"$expected\""
	echo "result: \"$result\""
	dump_log_and_fail_with "$STRACE $args output mismatch"
}

exit 0