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#!/bin/sh

# icf_safe_so_test.sh -- test --icf=safe

# Copyright 2010 Free Software Foundation, Inc.

# Written by Sriraman Tallam <tmsriram@google.com>.

# This file is part of gold.

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 3 of the License, or

# (at your option) any later version.

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,

# MA 02110-1301, USA.

# The goal of this program is to verify if --icf=safe  works as expected.

# File icf_safe_so_test.cc is in this test.  The goal of this script is

# to verify if identical code folding in safe mode correctly folds

# functions in a shared object.

error_if_symbol_absent()

{

    if ! is_symbol_present $1 $2;

    then

      echo "Symbol" $2 "not present, possibly folded."

      exit 1

    fi

}

is_symbol_present()

{

    grep $2 $1 > /dev/null 2>&1

    return $?

}

check_nofold()

{

    error_if_symbol_absent $1 $2

    error_if_symbol_absent $1 $3

    func_addr_1=`grep $2 $1 | awk '{print $1}'`

    func_addr_2=`grep $3 $1 | awk '{print $1}'`

    if [ $func_addr_1 = $func_addr_2 ];

    then

        echo "Safe Identical Code Folding folded" $2 "and" $3

        exit 1

    fi

}

check_fold()

{

    if ! is_symbol_present $1 $2

    then

      return 0

    fi

    if ! is_symbol_present $1 $3

    then

      return 0

    fi

    func_addr_1=`grep $2 $1 | awk '{print $1}'`

    func_addr_2=`grep $3 $1 | awk '{print $1}'`

    if [ $func_addr_1 != $func_addr_2 ];

    then

        echo "Safe Identical Code Folding did not fold " $2 "and" $3

        exit 1

    fi

}

arch_specific_safe_fold()

{

    if [ $1 -eq 0 ];

    then

      check_fold $2 $3 $4

    else

      check_nofold $2 $3 $4

    fi

}

X86_32_or_ARM_specific_safe_fold()

{

    grep -e "Intel 80386" -e "ARM" $1 > /dev/null 2>&1

    arch_specific_safe_fold $? $2 $3 $4

}

X86_64_specific_safe_fold()

{

    grep -e "Advanced Micro Devices X86-64" $1 > /dev/null 2>&1

    arch_specific_safe_fold $? $2 $3 $4

}

X86_32_or_ARM_specific_safe_fold icf_safe_so_test_2.stdout icf_safe_so_test_1.stdout "foo_prot" "foo_hidden"

X86_32_or_ARM_specific_safe_fold icf_safe_so_test_2.stdout icf_safe_so_test_1.stdout "foo_prot" "foo_internal"

X86_32_or_ARM_specific_safe_fold icf_safe_so_test_2.stdout icf_safe_so_test_1.stdout "foo_prot" "foo_static"

X86_32_or_ARM_specific_safe_fold icf_safe_so_test_2.stdout icf_safe_so_test_1.stdout "foo_hidden" "foo_internal"

X86_32_or_ARM_specific_safe_fold icf_safe_so_test_2.stdout icf_safe_so_test_1.stdout "foo_hidden" "foo_static"

X86_32_or_ARM_specific_safe_fold icf_safe_so_test_2.stdout icf_safe_so_test_1.stdout "foo_internal" "foo_static"

check_nofold icf_safe_so_test_1.stdout "foo_glob" "bar_glob"