| #!/bin/sh |
| |
| # icf_safe_so_test.sh -- test --icf=safe |
| |
| # Copyright (C) 2010-2016 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. |
| |
| 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() |
| { |
| if ! is_symbol_present $1 $2 |
| then |
| return 0 |
| fi |
| |
| if ! is_symbol_present $1 $3 |
| then |
| return 0 |
| fi |
| |
| 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; |
| } |
| }" $4 |
| } |
| |
| arch_specific_safe_fold() |
| { |
| grep -e "Intel 80386" -e "ARM" -e "PowerPC" $1 > /dev/null 2>&1 |
| if [ $? -eq 0 ]; |
| then |
| check_fold $2 $4 $5 $3 |
| else |
| check_nofold $2 $4 $5 |
| 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" |
| arch_specific_safe_fold icf_safe_so_test_2.stdout icf_safe_so_test_1.stdout icf_safe_so_test.map "foo_prot" "foo_internal" |
| arch_specific_safe_fold icf_safe_so_test_2.stdout icf_safe_so_test_1.stdout icf_safe_so_test.map "foo_prot" "foo_static" |
| arch_specific_safe_fold icf_safe_so_test_2.stdout icf_safe_so_test_1.stdout icf_safe_so_test.map "foo_hidden" "foo_internal" |
| arch_specific_safe_fold icf_safe_so_test_2.stdout icf_safe_so_test_1.stdout icf_safe_so_test.map "foo_hidden" "foo_static" |
| arch_specific_safe_fold icf_safe_so_test_2.stdout icf_safe_so_test_1.stdout icf_safe_so_test.map "foo_internal" "foo_static" |
| check_nofold icf_safe_so_test_1.stdout "foo_glob" "bar_glob" |