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#!/bin/sh
# icf_safe_test.sh -- test --icf=safe
# Copyright (C) 2009-2017 Free Software Foundation, Inc.
# Written by Sriraman Tallam <tmsriram@google.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.
# The goal of this program is to verify if --icf=safe works as expected.
# File icf_safe_test.cc is in this test. This program checks if only
# ctors and dtors are folded, except for x86 (32 and 64 bit), which
# uses relocation types to detect if function pointers are taken.
check_nofold()
{
func_addr_1=`grep $2 $1 | awk '{print $1}'`
func_addr_2=`grep $3 $1 | awk '{print $1}'`
if [ $func_addr_1 = $func_addr_2 ]
then
echo "Safe Identical Code Folding folded" $2 "and" $3
exit 1
fi
}
check_fold()
{
awk "
BEGIN { discard = 0; }
/^Discarded input/ { discard = 1; }
/^Memory map/ { discard = 0; }
/.*\\.text\\..*($2|$3).*/ { act[discard] = act[discard] \" \" \$0; }
END {
# printf \"kept\" act[0] \"\\nfolded\" act[1] \"\\n\";
if (length(act[0]) == 0 || length(act[1]) == 0)
{
printf \"Safe Identical Code Folding did not fold $2 and $3\\n\"
exit 1;
}
}" $1
}
arch_specific_safe_fold()
{
grep_x86=`grep -q -e "Advanced Micro Devices X86-64" -e "Intel 80386" -e "ARM" -e "TILE" -e "PowerPC" -e "AArch64" -e "IBM S/390" $2`
if [ $? -eq 0 ];
then
check_fold $3 $4 $5
else
check_nofold $1 $4 $5
fi
}
arch_specific_safe_fold icf_safe_test_1.stdout icf_safe_test_2.stdout \
icf_safe_test.map "kept_func_1" "kept_func_2"
check_fold icf_safe_test.map "_ZN1AD2Ev" "_ZN1AC2Ev"
check_nofold icf_safe_test_1.stdout "kept_func_3" "kept_func_1"
check_nofold icf_safe_test_1.stdout "kept_func_3" "kept_func_2"
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