gmon/tst-gmon-static-gprof.sh

   1 #!/bin/sh
   2 # Check the output of gprof against a carfully crafted static binary.
   3 # Copyright (C) 2017-2020 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
  20 LC_ALL=C
  21 export LC_ALL
  22 set -e
  23 exec 2>&1
  24
  25 GPROF="$1"
  26 program="$2"
  27 data="$3"
  28
  29 actual=$(mktemp)
  30 expected=$(mktemp)
  31 expected_dot=$(mktemp)
  32 cleanup () {
  33     rm -f "$actual"
  34     rm -f "$expected"
  35     rm -f "$expected_dot"
  36 }
  37 trap cleanup 0
  38
  39 cat > "$expected" <<EOF
  40 f1 2000
  41 f2 1000
  42 main 1
  43 EOF
  44
  45 # Special version for powerpc with function descriptors.
  46 cat > "$expected_dot" <<EOF
  47 .f1 2000
  48 .f2 1000
  49 .main 1
  50 EOF
  51
  52 "$GPROF" -C "$program" "$data" \
  53     | awk -F  '[(): ]' '/executions/{print $5, $8}' \
  54     | sort > "$actual"
  55
  56 if cmp -s "$actual" "$expected_dot" \
  57    || diff -u --label expected "$expected" --label actual "$actual" ; then
  58     echo "PASS"
  59 else
  60     echo "FAIL"
  61     exit 1
  62 fi