old-cross-binutils/gold/testsuite/icf_safe_so_test.sh
Sriraman Tallam 0897ed3bdb * i386.cc (Target_i386::can_check_for_function_pointers): New function.
(Scan::possible_function_pointer_reloc): New function.
	(Scan::local_reloc_may_be_function_pointer): Change to call
	possible_function_pointer_reloc.
	(Scan::global_reloc_may_be_function_pointer): Ditto.
	* icf.h (Icf::check_section_for_function_pointers): Change to reject
	relocations in ".data.rel.ro._ZTV" section.
	* testsuite/icf_safe_so_test.sh: Change to pass i386.
	* testsuite/icf_safe_so_test.cc: Ditto.
	* testsuite/icf_safe_test.cc: Ditto.
	* testsuite/icf_safe_test.sh: Ditto.
2010-03-04 01:33:22 +00:00

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# 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()
{
is_symbol_present $1 $2
if [ $? != 0 ];
then
echo "Symbol" $2 "not present, possibly folded."
exit 1
fi
}
is_symbol_present()
{
result=`grep $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()
{
is_symbol_present $1 $2
if [ $? != 0 ];
then
return 0
fi
is_symbol_present $1 $3
if [ $? != 0 ];
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 == 0 ];
then
check_fold $2 $3 $4
else
check_nofold $2 $3 $4
fi
}
X86_32_specific_safe_fold()
{
grep -q -e "Intel 80386" $1 >& /dev/null
arch_specific_safe_fold $? $2 $3 $4
}
X86_64_specific_safe_fold()
{
grep -q -e "Advanced Micro Devices X86-64" $1 >& /dev/null
arch_specific_safe_fold $? $2 $3 $4
}
X86_32_specific_safe_fold icf_safe_so_test_2.stdout icf_safe_so_test_1.stdout "foo_prot" "foo_hidden"
X86_32_specific_safe_fold icf_safe_so_test_2.stdout icf_safe_so_test_1.stdout "foo_prot" "foo_internal"
X86_32_specific_safe_fold icf_safe_so_test_2.stdout icf_safe_so_test_1.stdout "foo_prot" "foo_static"
X86_32_specific_safe_fold icf_safe_so_test_2.stdout icf_safe_so_test_1.stdout "foo_hidden" "foo_internal"
X86_32_specific_safe_fold icf_safe_so_test_2.stdout icf_safe_so_test_1.stdout "foo_hidden" "foo_static"
X86_32_specific_safe_fold icf_safe_so_test_2.stdout icf_safe_so_test_1.stdout "foo_internal" "foo_static"
X86_64_specific_safe_fold icf_safe_so_test_2.stdout icf_safe_so_test_1.stdout \
"foo_glob" "bar_glob"