gold/testsuite/icf_safe_pie_test.sh

   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@google.com>.
   7 # Modified by Rahul Chaudhry <rahulchaudhry@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"