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#! /bin/sh
# Wrapper around gcc to run 'dwz' when running the testsuite.
# Copyright (C) 2010-2012 Free Software Foundation, Inc.
# 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, see <http://www.gnu.org/licenses/>.
# This program requires dwz in addition to gcc.
#
# Example usage:
#
# bash$ cd $objdir/gdb/testsuite
# bash$ runtest \
# CC_FOR_TARGET="/bin/sh $srcdir/cc-with-dwz.sh gcc" \
# CXX_FOR_TARGET="/bin/sh $srcdir/cc-with-dwz.sh g++"
#
myname=cc-with-dwz.sh
DWZ=${DWZ:-dwz}
have_link=unknown
next_is_output_file=no
output_file=a.out
for arg in "$@"
do
if [ "$next_is_output_file" = "yes" ]
then
output_file="$arg"
next_is_output_file=no
continue
fi
# Poor man's gcc argument parser.
# We don't need to handle all arguments, we just need to know if we're
# doing a link and what the output file is.
# It's not perfect, but it seems to work well enough for the task at hand.
case "$arg" in
"-c") have_link=no ;;
"-E") have_link=no ;;
"-S") have_link=no ;;
"-o") next_is_output_file=yes ;;
esac
done
if [ "$next_is_output_file" = "yes" ]
then
echo "$myname: Unable to find output file" >&2
exit 1
fi
if [ "$have_link" = "no" ]
then
"$@"
exit $?
fi
"$@"
rc=$?
[ $rc != 0 ] && exit $rc
if [ ! -f "$output_file" ]
then
echo "$myname: Internal error: $output_file missing." >&2
exit 1
fi
$DWZ "$output_file" > /dev/null 2>&1
exit 0
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