#! /usr/bin/env bash

# Copyright (C) 2014, 2015 Red Hat, Inc.

# This file is part of elfutils.

#

# This file 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.

#

# elfutils 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/>.

if test -n "$ELFUTILS_DISABLE_DEMANGLE"; then

  echo "demangler unsupported"

  exit 77

fi

. $srcdir/backtrace-subr.sh

child=testfile-backtrace-demangle

testfiles $child{,.core}

tempfiles $child.{bt,err}

# Disable valgrind while dumping because of a bug unmapping libc.so.

# https://bugs.kde.org/show_bug.cgi?id=327427

SAVED_VALGRIND_CMD="$VALGRIND_CMD"

unset VALGRIND_CMD

# There can be more than 3 frames, but depending on the system/installed

# glibc we might not be able to unwind fully till the end.

# cxxfunc -> f -> main

# Expect to see the top two and a warning that there are more frames

# (exit code 1)

testrun ${abs_top_builddir}/src/stack -n 2 -e $child --core $child.core >$child.bt 2>$child.err || exitcode=$?

cat $child.{bt,err}

if [ "x$SAVED_VALGRIND_CMD" != "x" ]; then

  VALGRIND_CMD="$SAVED_VALGRIND_CMD"

  export VALGRIND_CMD

fi

if test $exitcode != 1 || ! grep "shown max number of frames" $child.err; then

  echo >&2 $2: expected more than 2 frames

  false

fi

if ! grep -w f $child.bt; then

  echo >&2 $2: no f

  false

fi

if ! grep ' cxxfunc(int)' $child.bt; then

  echo >&2 $2: no cxxfunc

  false

fi