gold/testsuite/icf_safe_so_test.sh

   1 #!/bin/sh
   2
   3 # icf_safe_so_test.sh -- test --icf=safe
   4
   5 # Copyright (C) 2010-2020 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_so_test.cc is in this test.  The goal of this script is
  27 # to verify if identical code folding in safe mode correctly folds
  28 # functions in a shared object.
  29
  30 set -e
  31
  32 error_if_symbol_absent()
  33 {
  34     if ! is_symbol_present $1 $2;
  35     then
  36       echo "Symbol" $2 "not present, possibly folded."
  37       exit 1
  38     fi
  39 }
  40
  41 is_symbol_present()
  42 {
  43     grep $2 $1 > /dev/null 2>&1
  44     return $?
  45 }
  46
  47 check_nofold()
  48 {
  49     error_if_symbol_absent $1 $2
  50     error_if_symbol_absent $1 $3
  51     func_addr_1=`grep $2 $1 | awk '{print $1}'`
  52     func_addr_2=`grep $3 $1 | awk '{print $1}'`
  53     if [ $func_addr_1 = $func_addr_2 ];
  54     then
  55         echo "Safe Identical Code Folding folded" $2 "and" $3
  56         exit 1
  57     fi
  58 }
  59
  60 check_fold()
  61 {
  62     map=$1
  63     shift
  64     num_syms=$#
  65     save_IFS="$IFS"
  66     IFS='|'
  67     sym_patt="$*"
  68     IFS="$save_IFS"
  69     awk "
  70 BEGIN { discard = 0; }
  71 /^Discarded input/ { discard = 1; }
  72 /^Memory map/ { discard = 0; }
  73 /.*\\.text\\..*($sym_patt).*/ { act[discard] = act[discard] \" \" \$0; cnt[discard] = cnt[discard] + 1 }
  74 END {
  75       printf \"kept\" act[0] \"\\nfolded\" act[1] \"\\n\";
  76       if (cnt[0] != 1 || cnt[1] != $num_syms - 1)
  77         {
  78           printf \"Safe Identical Code Folding failed\\n\"
  79           exit 1;
  80         }
  81     }" $map
  82 }
  83
  84 arch_specific_safe_fold()
  85 {
  86     if grep -q -e "Intel 80386" -e "ARM" -e "PowerPC" $1;
  87     then
  88         shift
  89         shift
  90         #echo check_fold $*
  91         check_fold $*
  92     else
  93         shift
  94         nm_output=$1
  95         shift
  96         shift
  97         while test $# -gt 1; do
  98             sym1=$1
  99             shift
 100             for sym2 in $*; do
 101                 #echo check_nofold $nm_output $sym1 $sym2
 102                 check_nofold $nm_output $sym1 $sym2
 103             done
 104         done
 105     fi
 106 }
 107
 108 arch_specific_safe_fold icf_safe_so_test_2.stdout icf_safe_so_test_1.stdout icf_safe_so_test.map foo_prot foo_hidden foo_internal foo_static
 109 check_nofold icf_safe_so_test_1.stdout foo_glob bar_glob