1 #!/bin/sh 2 3 # icf_safe_pie_test.sh -- test --icf=safe -pie 4 5 # Copyright (C) 2009-2017 Free Software Foundation, Inc. 6 # Written by Sriraman Tallam <tmsriram (at] google.com>. 7 # Modified by Rahul Chaudhry <rahulchaudhry (at] google.com>. 8 9 # This file is part of gold. 10 11 # This program is free software; you can redistribute it and/or modify 12 # it under the terms of the GNU General Public License as published by 13 # the Free Software Foundation; either version 3 of the License, or 14 # (at your option) any later version. 15 16 # This program is distributed in the hope that it will be useful, 17 # but WITHOUT ANY WARRANTY; without even the implied warranty of 18 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 # GNU General Public License for more details. 20 21 # You should have received a copy of the GNU General Public License 22 # along with this program; if not, write to the Free Software 23 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 24 # MA 02110-1301, USA. 25 26 # The goal of this program is to verify if --icf=safe works with 27 # -pie as expected. File icf_safe_test.cc is in this test. This 28 # program checks if only ctors and dtors are folded, except for 29 # the architectures which use relocation types and instruction 30 # opcodes to detect if function pointers are taken. 31 32 set -e 33 34 check_nofold() 35 { 36 func_addr_1=`grep $2 $1 | awk '{print $1}'` 37 func_addr_2=`grep $3 $1 | awk '{print $1}'` 38 if [ $func_addr_1 = $func_addr_2 ] 39 then 40 echo "Safe Identical Code Folding folded" $2 "and" $3 41 exit 1 42 fi 43 } 44 45 check_fold() 46 { 47 awk " 48 BEGIN { discard = 0; } 49 /^Discarded input/ { discard = 1; } 50 /^Memory map/ { discard = 0; } 51 /.*\\.text\\..*($2|$3).*/ { act[discard] = act[discard] \" \" \$0; } 52 END { 53 # printf \"kept\" act[0] \"\\nfolded\" act[1] \"\\n\"; 54 if (length(act[0]) == 0 || length(act[1]) == 0) 55 { 56 printf \"Safe Identical Code Folding did not fold $2 and $3\\n\" 57 exit 1; 58 } 59 }" $1 60 } 61 62 arch_specific_safe_fold() 63 { 64 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; 65 then 66 check_fold $3 $4 $5 67 else 68 check_nofold $1 $4 $5 69 fi 70 } 71 72 arch_specific_safe_fold icf_safe_pie_test_1.stdout icf_safe_pie_test_2.stdout \ 73 icf_safe_pie_test.map "kept_func_1" "kept_func_2" 74 check_fold icf_safe_pie_test.map "_ZN1AD2Ev" "_ZN1AC2Ev" 75 check_nofold icf_safe_pie_test_1.stdout "kept_func_3" "kept_func_1" 76 check_nofold icf_safe_pie_test_1.stdout "kept_func_3" "kept_func_2" 77
