1 #!/bin/sh 2 3 # icf_safe_test.sh -- test --icf=safe 4 5 # Copyright (C) 2009-2016 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_test.cc is in this test. This program checks if only 27 # ctors and dtors are folded, except for x86 (32 and 64 bit), which 28 # uses relocation types to detect if function pointers are taken. 29 30 set -e 31 32 check_nofold() 33 { 34 func_addr_1=`grep $2 $1 | awk '{print $1}'` 35 func_addr_2=`grep $3 $1 | awk '{print $1}'` 36 if [ $func_addr_1 = $func_addr_2 ] 37 then 38 echo "Safe Identical Code Folding folded" $2 "and" $3 39 exit 1 40 fi 41 } 42 43 check_fold() 44 { 45 awk " 46 BEGIN { discard = 0; } 47 /^Discarded input/ { discard = 1; } 48 /^Memory map/ { discard = 0; } 49 /.*\\.text\\..*($2|$3).*/ { act[discard] = act[discard] \" \" \$0; } 50 END { 51 # printf \"kept\" act[0] \"\\nfolded\" act[1] \"\\n\"; 52 if (length(act[0]) == 0 || length(act[1]) == 0) 53 { 54 printf \"Safe Identical Code Folding did not fold $2 and $3\\n\" 55 exit 1; 56 } 57 }" $1 58 } 59 60 arch_specific_safe_fold() 61 { 62 if grep -q -e "Advanced Micro Devices X86-64" -e "Intel 80386" -e "ARM" -e "TILE" -e "PowerPC" -e "AArch64" -e "IBM S/390" $2; 63 then 64 check_fold $3 $4 $5 65 else 66 check_nofold $1 $4 $5 67 fi 68 } 69 70 arch_specific_safe_fold icf_safe_test_1.stdout icf_safe_test_2.stdout \ 71 icf_safe_test.map "kept_func_1" "kept_func_2" 72 check_fold icf_safe_test.map "_ZN1AD2Ev" "_ZN1AC2Ev" 73 check_nofold icf_safe_test_1.stdout "kept_func_3" "kept_func_1" 74 check_nofold icf_safe_test_1.stdout "kept_func_3" "kept_func_2" 75
