Retro68/binutils/gold/testsuite/debug_msg.sh

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2012-03-26 19:18:29 +00:00
#!/bin/sh
# debug_msg.sh -- a test case for printing debug info for missing symbols.
# Copyright 2006, 2007, 2008, 2009, 2010, 2011, 2013
# Free Software Foundation, Inc.
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# Written by Ian Lance Taylor <iant@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.
# This file goes with debug_msg.cc, a C++ source file constructed to
# have undefined references. We compile that file with debug
# information and then try to link it, and make sure the proper errors
# are displayed. The errors will be found in debug_msg.err.
check()
{
if ! grep -q "$2" "$1"
then
echo "Did not find expected error in $1:"
echo " $2"
echo ""
echo "Actual error output below:"
cat "$1"
exit 1
fi
}
check_missing()
{
if grep -q "$2" "$1"
then
echo "Found unexpected error in $1:"
echo " $2"
echo ""
echo "Actual error output below:"
cat "$1"
exit 1
fi
}
# We don't know how the compiler might order these variables, so we
# can't test for the actual offset from .data, hence the regexp.
check debug_msg.err "debug_msg.o:debug_msg.cc:fn_array: error: undefined reference to 'undef_fn1()'"
check debug_msg.err "debug_msg.o:debug_msg.cc:fn_array: error: undefined reference to 'undef_fn2()'"
check debug_msg.err "debug_msg.o:debug_msg.cc:badref1: error: undefined reference to 'undef_int'"
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# These tests check only for the source file's file name (not the complete
# path) because use of -fdebug-prefix-map may change the path to the source
# file recorded in the objects.
check debug_msg.err ".*/debug_msg.cc:50: error: undefined reference to 'undef_fn1()'"
check debug_msg.err ".*/debug_msg.cc:55: error: undefined reference to 'undef_fn2()'"
check debug_msg.err ".*/debug_msg.cc:43: error: undefined reference to 'undef_fn1()'"
check debug_msg.err ".*/debug_msg.cc:44: error: undefined reference to 'undef_fn2()'"
if test "$DEFAULT_TARGET" != "powerpc"
then
check debug_msg.err ".*/debug_msg.cc:.*: error: undefined reference to 'undef_int'"
fi
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# Check we detected the ODR (One Definition Rule) violation.
check debug_msg.err ": symbol 'Ordering::operator()(int, int)' defined in multiple places (possible ODR violation):"
check debug_msg.err "odr_violation1.cc:6"
check debug_msg.err "odr_violation2.cc:12"
# Check we don't have ODR false positives:
check_missing debug_msg.err "OdrDerived::~OdrDerived()"
check_missing debug_msg.err "__adjust_heap"
# We block ODR detection for combinations of C weak and strong
# symbols, to allow people to use the linker to override things. We
# still flag it for C++ symbols since those are more likely to be
# unintentional.
check_missing debug_msg.err ": symbol 'OverriddenCFunction' defined in multiple places (possible ODR violation):"
check_missing debug_msg.err "odr_violation1.cc:16"
check_missing debug_msg.err "odr_violation2.cc:23"
check debug_msg.err ": symbol 'SometimesInlineFunction(int)' defined in multiple places (possible ODR violation):"
check debug_msg.err "debug_msg.cc:68"
check debug_msg.err "odr_violation2.cc:27"
# Check for the same error messages when using --compressed-debug-sections.
if test -r debug_msg_cdebug.err
then
check debug_msg_cdebug.err "debug_msg_cdebug.o:debug_msg.cc:fn_array: error: undefined reference to 'undef_fn1()'"
check debug_msg_cdebug.err "debug_msg_cdebug.o:debug_msg.cc:fn_array: error: undefined reference to 'undef_fn2()'"
check debug_msg_cdebug.err "debug_msg_cdebug.o:debug_msg.cc:badref1: error: undefined reference to 'undef_int'"
check debug_msg_cdebug.err ".*/debug_msg.cc:50: error: undefined reference to 'undef_fn1()'"
check debug_msg_cdebug.err ".*/debug_msg.cc:55: error: undefined reference to 'undef_fn2()'"
check debug_msg_cdebug.err ".*/debug_msg.cc:43: error: undefined reference to 'undef_fn1()'"
check debug_msg_cdebug.err ".*/debug_msg.cc:44: error: undefined reference to 'undef_fn2()'"
if test "$DEFAULT_TARGET" != "powerpc"
then
check debug_msg_cdebug.err ".*/debug_msg.cc:.*: error: undefined reference to 'undef_int'"
fi
check debug_msg_cdebug.err ": symbol 'Ordering::operator()(int, int)' defined in multiple places (possible ODR violation):"
check debug_msg_cdebug.err "odr_violation1.cc:6"
check debug_msg_cdebug.err "odr_violation2.cc:12"
check_missing debug_msg_cdebug.err "OdrDerived::~OdrDerived()"
check_missing debug_msg_cdebug.err "__adjust_heap"
check_missing debug_msg_cdebug.err ": symbol 'OverriddenCFunction' defined in multiple places (possible ODR violation):"
check_missing debug_msg_cdebug.err "odr_violation1.cc:16"
check_missing debug_msg_cdebug.err "odr_violation2.cc:23"
check debug_msg_cdebug.err ": symbol 'SometimesInlineFunction(int)' defined in multiple places (possible ODR violation):"
check debug_msg_cdebug.err "debug_msg.cc:68"
check debug_msg_cdebug.err "odr_violation2.cc:27"
fi
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# When linking together .so's, we don't catch the line numbers, but we
# still find all the undefined variables, and the ODR violation.
check debug_msg_so.err "debug_msg.so: error: undefined reference to 'undef_fn1()'"
check debug_msg_so.err "debug_msg.so: error: undefined reference to 'undef_fn2()'"
check debug_msg_so.err "debug_msg.so: error: undefined reference to 'undef_int'"
check debug_msg_so.err ": symbol 'Ordering::operator()(int, int)' defined in multiple places (possible ODR violation):"
check debug_msg_so.err "odr_violation1.cc:6"
check debug_msg_so.err "odr_violation2.cc:12"
check_missing debug_msg_so.err "OdrDerived::~OdrDerived()"
check_missing debug_msg_so.err "__adjust_heap"
check_missing debug_msg_so.err ": symbol 'OverriddenCFunction' defined in multiple places (possible ODR violation):"
check_missing debug_msg_so.err "odr_violation1.cc:16"
check_missing debug_msg_so.err "odr_violation2.cc:23"
check debug_msg_so.err ": symbol 'SometimesInlineFunction(int)' defined in multiple places (possible ODR violation):"
check debug_msg_so.err "debug_msg.cc:68"
check debug_msg_so.err "odr_violation2.cc:27"
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# These messages shouldn't need any debug info to detect:
check debug_msg_ndebug.err "debug_msg_ndebug.so: error: undefined reference to 'undef_fn1()'"
check debug_msg_ndebug.err "debug_msg_ndebug.so: error: undefined reference to 'undef_fn2()'"
check debug_msg_ndebug.err "debug_msg_ndebug.so: error: undefined reference to 'undef_int'"
# However, we shouldn't detect or declare any ODR violation
check_missing debug_msg_ndebug.err "(possible ODR violation)"
exit 0