gold/testsuite/tls_pie_test.sh

#!/bin/sh

# tls_pie_test.sh -- a test case for TLS symbols in PIE executables.

# Copyright (C) 2015-2021 Free Software Foundation, Inc.
# Written by Cary Coutant <ccoutant@gmail.com>.

# This file is part of gold.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.

# 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.

# This file goes with tls_pie_test, a program compiled and linked
# with -fpie -pie. Since TLS offsets are known at link time, even
# in a PIE executable, we want to make sure that there are no
# dynamic relocations for the TLS symbols.

check()
{
    if ! grep -q "$2" "$1"
    then
	echo "Did not find expected output in $1:"
	echo "   $2"
	echo ""
	echo "Actual output below:"
	cat "$1"
	exit 1
    fi
}

check_missing()
{
    if grep -q "$2" "$1"
    then
	echo "Found unexpected output in $1:"
	echo "   $2"
	echo ""
	echo "Actual output below:"
	cat "$1"
	exit 1
    fi
}

check_missing tls_pie_test.stdout "o1 + 0"
check_missing tls_pie_test.stdout "o2 + 0"
check_missing tls_pie_test.stdout "o3 + 0"