gold/testsuite/icf_safe_test.sh

   1 #!/bin/sh
   2
   3 # icf_safe_test.sh -- test --icf=safe
   4
   5 # Copyright (C) 2009-2020 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"