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#!/bin/sh
# Check the output of gprof against a carfully crafted static binary.
# Copyright (C) 2017-2022 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
# <https://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" <<EOF
f1 2000
f2 1000
f3 1
main 1
EOF
# Special version for powerpc with function descriptors.
cat > "$expected_dot" <<EOF
.f1 2000
.f2 1000
.f3 1
.main 1
EOF
"$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
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