gold/testsuite/icf_safe_so_test.sh

   1 #!/bin/sh
   2
   3 # icf_safe_so_test.sh -- test --icf=safe
   4
   5 # Copyright (C) 2010-2015 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 error_if_symbol_absent()
  31 {
  32     if ! is_symbol_present $1 $2;
  33     then
  34       echo "Symbol" $2 "not present, possibly folded."
  35       exit 1
  36     fi
  37 }
  38
  39 is_symbol_present()
  40 {
  41     grep $2 $1 > /dev/null 2>&1
  42     return $?
  43 }
  44
  45 check_nofold()
  46 {
  47     error_if_symbol_absent $1 $2
  48     error_if_symbol_absent $1 $3
  49     func_addr_1=`grep $2 $1 | awk '{print $1}'`
  50     func_addr_2=`grep $3 $1 | awk '{print $1}'`
  51     if [ $func_addr_1 = $func_addr_2 ];
  52     then
  53         echo "Safe Identical Code Folding folded" $2 "and" $3
  54         exit 1
  55     fi
  56 }
  57
  58 check_fold()
  59 {
  60     if ! is_symbol_present $1 $2
  61     then
  62       return 0
  63     fi
  64
  65     if ! is_symbol_present $1 $3
  66     then
  67       return 0
  68     fi
  69
  70     awk "
  71 BEGIN { discard = 0; }
  72 /^Discarded input/ { discard = 1; }
  73 /^Memory map/ { discard = 0; }
  74 /.*\\.text\\..*($2|$3).*/ { act[discard] = act[discard] \" \" \$0; }
  75 END {
  76       # printf \"kept\" act[0] \"\\nfolded\" act[1] \"\\n\";
  77       if (length(act[0]) == 0 || length(act[1]) == 0)
  78         {
  79           printf \"Safe Identical Code Folding did not fold $2 and $3\\n\"
  80           exit 1;
  81         }
  82     }" $4
  83 }
  84
  85 arch_specific_safe_fold()
  86 {
  87     grep -e "Intel 80386" -e "ARM" -e "PowerPC" $1 > /dev/null 2>&1
  88     if [ $? -eq 0 ];
  89     then
  90       check_fold $2 $4 $5 $3
  91     else
  92       check_nofold $2 $4 $5
  93     fi
  94 }
  95
  96 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"
  97 arch_specific_safe_fold icf_safe_so_test_2.stdout icf_safe_so_test_1.stdout icf_safe_so_test.map "foo_prot" "foo_internal"
  98 arch_specific_safe_fold icf_safe_so_test_2.stdout icf_safe_so_test_1.stdout icf_safe_so_test.map "foo_prot" "foo_static"
  99 arch_specific_safe_fold icf_safe_so_test_2.stdout icf_safe_so_test_1.stdout icf_safe_so_test.map "foo_hidden" "foo_internal"
 100 arch_specific_safe_fold icf_safe_so_test_2.stdout icf_safe_so_test_1.stdout icf_safe_so_test.map "foo_hidden" "foo_static"
 101 arch_specific_safe_fold icf_safe_so_test_2.stdout icf_safe_so_test_1.stdout icf_safe_so_test.map "foo_internal" "foo_static"
 102 check_nofold icf_safe_so_test_1.stdout "foo_glob" "bar_glob"