1 #!/bin/sh 2 3 # icf_safe_so_test.sh -- test --icf=safe 4 5 # Copyright (C) 2010-2016 Free Software Foundation, Inc. 6 # Written by Sriraman Tallam <tmsriram (at] google.com>. 7 8 # This file is part of gold. 9 10 # This program is free software; you can redistribute it and/or modify 11 # it under the terms of the GNU General Public License as published by 12 # the Free Software Foundation; either version 3 of the License, or 13 # (at your option) any later version. 14 15 # This program is distributed in the hope that it will be useful, 16 # but WITHOUT ANY WARRANTY; without even the implied warranty of 17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 # GNU General Public License for more details. 19 20 # You should have received a copy of the GNU General Public License 21 # along with this program; if not, write to the Free Software 22 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 23 # MA 02110-1301, USA. 24 25 # The goal of this program is to verify if --icf=safe works as expected. 26 # File icf_safe_so_test.cc is in this test. The goal of this script is 27 # to verify if identical code folding in safe mode correctly folds 28 # functions in a shared object. 29 30 set -e 31 32 error_if_symbol_absent() 33 { 34 if ! is_symbol_present $1 $2; 35 then 36 echo "Symbol" $2 "not present, possibly folded." 37 exit 1 38 fi 39 } 40 41 is_symbol_present() 42 { 43 grep $2 $1 > /dev/null 2>&1 44 return $? 45 } 46 47 check_nofold() 48 { 49 error_if_symbol_absent $1 $2 50 error_if_symbol_absent $1 $3 51 func_addr_1=`grep $2 $1 | awk '{print $1}'` 52 func_addr_2=`grep $3 $1 | awk '{print $1}'` 53 if [ $func_addr_1 = $func_addr_2 ]; 54 then 55 echo "Safe Identical Code Folding folded" $2 "and" $3 56 exit 1 57 fi 58 } 59 60 check_fold() 61 { 62 if ! is_symbol_present $1 $2 63 then 64 return 0 65 fi 66 67 if ! is_symbol_present $1 $3 68 then 69 return 0 70 fi 71 72 awk " 73 BEGIN { discard = 0; } 74 /^Discarded input/ { discard = 1; } 75 /^Memory map/ { discard = 0; } 76 /.*\\.text\\..*($2|$3).*/ { act[discard] = act[discard] \" \" \$0; } 77 END { 78 # printf \"kept\" act[0] \"\\nfolded\" act[1] \"\\n\"; 79 if (length(act[0]) == 0 || length(act[1]) == 0) 80 { 81 printf \"Safe Identical Code Folding did not fold $2 and $3\\n\" 82 exit 1; 83 } 84 }" $4 85 } 86 87 arch_specific_safe_fold() 88 { 89 if grep -q -e "Intel 80386" -e "ARM" -e "PowerPC" $1; 90 then 91 check_fold $2 $4 $5 $3 92 else 93 check_nofold $2 $4 $5 94 fi 95 } 96 97 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" 98 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" 99 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" 100 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" 101 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" 102 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" 103 check_nofold icf_safe_so_test_1.stdout "foo_glob" "bar_glob" 104
