#!/bin/sh

# Check the output of gprof against a carfully crafted binary.

# Copyright (C) 2017-2018 Free Software Foundation, Inc.

# This file is part of the GNU C Library.

# The GNU C Library is free software; you can redistribute it and/or

# modify it under the terms of the GNU Lesser General Public

# License as published by the Free Software Foundation; either

# version 2.1 of the License, or (at your option) any later version.

# The GNU C Library 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

# Lesser General Public License for more details.

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

# License along with the GNU C Library; if not, see

# <http://www.gnu.org/licenses/>.

LC_ALL=C

export LC_ALL

set -e

exec 2>&1

GPROF="$1"

program="$2"

data="$3"

actual=$(mktemp)

expected=$(mktemp)

expected_dot=$(mktemp)

cleanup () {

    rm -f "$actual"

    rm -f "$expected"

    rm -f "$expected_dot"

}

trap cleanup 0

cat > "$expected" <

f1 2000

f2 1000

EOF

# Special version for powerpc with function descriptors.

cat > "$expected_dot" <

.f1 2000

.f2 1000

EOF

"$GPROF" -C "$program" "$data" \

    | awk -F  '[(): ]' '/executions/{print $5, $8}' \

    | sort > "$actual"

if cmp -s "$actual" "$expected_dot" \

   || diff -u --label expected "$expected" --label actual "$actual" ; then

    echo "PASS"

else

    echo "FAIL"

    exit 1

fi