tests-mx32/get_regs.test

#!/bin/sh
#
# Check that get_regs is skipped for filtered syscalls.
#
# Copyright (c) 2017 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"

check_prog env
check_prog grep
run_prog ../gettid > /dev/null

run_strace -qq -esignal=none -eraw=all -etrace=none ../gettid > /dev/null

run_strace -qq -esignal=none -eraw=all -eptrace -o '|grep -c ^ptrace > less' \
	-- "$STRACE_EXE" -o "$LOG" $args > /dev/null

[ "$(cat less)" -gt 0 ] ||
	fail_ "$STRACE $args failed to catch any ptrace syscalls"

run_strace -qq -esignal=none -eraw=all -etrace=all ../gettid > /dev/null

run_strace -qq -esignal=none -eraw=all -eptrace -o '|grep -c ^ptrace > more' \
	-- "$STRACE_EXE" -o "$LOG" $args > /dev/null

[ "$(cat more)" -gt 0 ] ||
	fail_ "$STRACE $args failed to catch any ptrace syscalls"

[ "$(cat more)" -gt "$(cat less)" ] ||
	fail_ "$STRACE failed to skip get_regs for filtered syscalls"