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- #!/bin/sh
- # icf_safe_so_test.sh -- test --icf=safe
- # Copyright (C) 2010-2022 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_so_test.cc is in this test. The goal of this script is
- # to verify if identical code folding in safe mode correctly folds
- # functions in a shared object.
- set -e
- error_if_symbol_absent()
- {
- if ! is_symbol_present $1 $2;
- then
- echo "Symbol" $2 "not present, possibly folded."
- exit 1
- fi
- }
- is_symbol_present()
- {
- grep $2 $1 > /dev/null 2>&1
- return $?
- }
- check_nofold()
- {
- error_if_symbol_absent $1 $2
- error_if_symbol_absent $1 $3
- 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()
- {
- map=$1
- shift
- num_syms=$#
- save_IFS="$IFS"
- IFS='|'
- sym_patt="$*"
- IFS="$save_IFS"
- awk "
- BEGIN { discard = 0; }
- /^Discarded input/ { discard = 1; }
- /^Memory map/ { discard = 0; }
- /.*\\.text\\..*($sym_patt).*/ { act[discard] = act[discard] \" \" \$0; cnt[discard] = cnt[discard] + 1 }
- END {
- printf \"kept\" act[0] \"\\nfolded\" act[1] \"\\n\";
- if (cnt[0] != 1 || cnt[1] != $num_syms - 1)
- {
- printf \"Safe Identical Code Folding failed\\n\"
- exit 1;
- }
- }" $map
- }
- arch_specific_safe_fold()
- {
- if grep -q -e "Advanced Micro Devices X86-64" -e "Intel 80386" -e "ARM" -e "PowerPC" $1;
- then
- shift
- shift
- #echo check_fold $*
- check_fold $*
- else
- shift
- nm_output=$1
- shift
- shift
- while test $# -gt 1; do
- sym1=$1
- shift
- for sym2 in $*; do
- #echo check_nofold $nm_output $sym1 $sym2
- check_nofold $nm_output $sym1 $sym2
- done
- done
- fi
- }
- arch_specific_safe_fold icf_safe_so_test_2.stdout icf_safe_so_test_1.stdout icf_safe_so_test.map foo_prot foo_hidden foo_internal foo_static
- check_nofold icf_safe_so_test_1.stdout foo_glob bar_glob
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