77 lines
2.4 KiB
Bash
Executable File
77 lines
2.4 KiB
Bash
Executable File
#!/bin/sh
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# icf_safe_pie_test.sh -- test --icf=safe -pie
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# Copyright (C) 2009-2020 Free Software Foundation, Inc.
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# Written by Sriraman Tallam <tmsriram@google.com>.
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# Modified by Rahul Chaudhry <rahulchaudhry@google.com>.
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# This file is part of gold.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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# MA 02110-1301, USA.
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# The goal of this program is to verify if --icf=safe works with
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# -pie as expected. File icf_safe_test.cc is in this test. This
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# program checks if only ctors and dtors are folded, except for
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# the architectures which use relocation types and instruction
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# opcodes to detect if function pointers are taken.
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set -e
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check_nofold()
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{
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func_addr_1=`grep $2 $1 | awk '{print $1}'`
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func_addr_2=`grep $3 $1 | awk '{print $1}'`
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if [ $func_addr_1 = $func_addr_2 ]
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then
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echo "Safe Identical Code Folding folded" $2 "and" $3
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exit 1
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fi
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}
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check_fold()
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{
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awk "
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BEGIN { discard = 0; }
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/^Discarded input/ { discard = 1; }
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/^Memory map/ { discard = 0; }
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/.*\\.text\\..*($2|$3).*/ { act[discard] = act[discard] \" \" \$0; }
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END {
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# printf \"kept\" act[0] \"\\nfolded\" act[1] \"\\n\";
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if (length(act[0]) == 0 || length(act[1]) == 0)
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{
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printf \"Safe Identical Code Folding did not fold $2 and $3\\n\"
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exit 1;
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}
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}" $1
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}
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arch_specific_safe_fold()
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{
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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;
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then
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check_fold $3 $4 $5
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else
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check_nofold $1 $4 $5
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fi
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}
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arch_specific_safe_fold icf_safe_pie_test_1.stdout icf_safe_pie_test_2.stdout \
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icf_safe_pie_test.map "kept_func_1" "kept_func_2"
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check_fold icf_safe_pie_test.map "_ZN1AD2Ev" "_ZN1AC2Ev"
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check_nofold icf_safe_pie_test_1.stdout "kept_func_3" "kept_func_1"
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check_nofold icf_safe_pie_test_1.stdout "kept_func_3" "kept_func_2"
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