gmon: Add test for basic mcount/gprof functionality

1 files changed, 60 insertions, 0 deletions

diff --git a/gmon/tst-gmon-gprof.sh b/gmon/tst-gmon-gprof.sh
new file mode 100644
index 0000000000..07887255c0
--- /dev/null
+++ b/gmon/tst-gmon-gprof.sh
@@ -0,0 +1,60 @@
+#!/bin/sh
+# Check the output of gprof against a carfully crafted binary.
+# Copyright (C) 2017 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" <<EOF
+f1 2000
+f2 1000
+EOF
+
+# Special version for powerpc with function descriptors.
+cat > "$expected_dot" <<EOF
+.f1 2000
+.f2 1000
+EOF
+
+"$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