1 #!/bin/sh 2 3 # icf_safe_so_test.sh -- test --icf=safe 4 5 # Copyright (C) 2010-2014 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 error_if_symbol_absent() 31 { 32 if ! is_symbol_present $1 $2; 33 then 34 echo "Symbol" $2 "not present, possibly folded." 35 exit 1 36 fi 37 } 38 39 is_symbol_present() 40 { 41 grep $2 $1 > /dev/null 2>&1 42 return $? 43 } 44 45 check_nofold() 46 { 47 error_if_symbol_absent $1 $2 48 error_if_symbol_absent $1 $3 49 func_addr_1=`grep $2 $1 | awk '{print $1}'` 50 func_addr_2=`grep $3 $1 | awk '{print $1}'` 51 if [ $func_addr_1 = $func_addr_2 ]; 52 then 53 echo "Safe Identical Code Folding folded" $2 "and" $3 54 exit 1 55 fi 56 } 57 58 check_fold() 59 { 60 if ! is_symbol_present $1 $2 61 then 62 return 0 63 fi 64 65 if ! is_symbol_present $1 $3 66 then 67 return 0 68 fi 69 70 awk " 71 BEGIN { discard = 0; } 72 /^Discarded input/ { discard = 1; } 73 /^Memory map/ { discard = 0; } 74 /.*\\.text\\..*($2|$3).*/ { act[discard] = act[discard] \" \" \$0; } 75 END { 76 # printf \"kept\" act[0] \"\\nfolded\" act[1] \"\\n\"; 77 if (length(act[0]) == 0 || length(act[1]) == 0) 78 { 79 printf \"Safe Identical Code Folding did not fold $2 and $3\\n\" 80 exit 1; 81 } 82 }" $4 83 } 84 85 arch_specific_safe_fold() 86 { 87 grep -e "Intel 80386" -e "ARM" -e "PowerPC" $1 > /dev/null 2>&1 88 if [ $? -eq 0 ]; 89 then 90 check_fold $2 $4 $5 $3 91 else 92 check_nofold $2 $4 $5 93 fi 94 } 95 96 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" 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_internal" 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_static" 99 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" 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_static" 101 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" 102 check_nofold icf_safe_so_test_1.stdout "foo_glob" "bar_glob" 103
