| 1 | #!/bin/sh |
| 2 | |
| 3 | # icf_safe_test.sh -- test --icf=safe |
| 4 | |
| 5 | # Copyright (C) 2009-2019 Free Software Foundation, Inc. |
| 6 | # Written by Sriraman Tallam <tmsriram@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" |