1#!/bin/sh
2# Check the output of gprof against a carfully crafted static binary.
3# Copyright (C) 2017-2021 Free Software Foundation, Inc.
4# This file is part of the GNU C Library.
5
6# The GNU C Library is free software; you can redistribute it and/or
7# modify it under the terms of the GNU Lesser General Public
8# License as published by the Free Software Foundation; either
9# version 2.1 of the License, or (at your option) any later version.
10
11# The GNU C Library is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14# Lesser General Public License for more details.
15
16# You should have received a copy of the GNU Lesser General Public
17# License along with the GNU C Library; if not, see
18# <https://www.gnu.org/licenses/>.
19
20LC_ALL=C
21export LC_ALL
22set -e
23exec 2>&1
24
25GPROF="$1"
26program="$2"
27data="$3"
28
29actual=$(mktemp)
30expected=$(mktemp)
31expected_dot=$(mktemp)
32cleanup () {
33    rm -f "$actual"
34    rm -f "$expected"
35    rm -f "$expected_dot"
36}
37trap cleanup 0
38
39cat > "$expected" <<EOF
40f1 2000
41f2 1000
42f3 1
43main 1
44EOF
45
46# Special version for powerpc with function descriptors.
47cat > "$expected_dot" <<EOF
48.f1 2000
49.f2 1000
50.f3 1
51.main 1
52EOF
53
54"$GPROF" -C "$program" "$data" \
55    | awk -F  '[(): ]' '/executions/{print $5, $8}' \
56    | sort > "$actual"
57
58if cmp -s "$actual" "$expected_dot" \
59   || diff -u --label expected "$expected" --label actual "$actual" ; then
60    echo "PASS"
61else
62    echo "FAIL"
63    exit 1
64fi
65