gold/testsuite/text_section_grouping.sh

   1 #!/bin/sh
   2
   3 # text_section_grouping.sh -- test
   4
   5 # Copyright (C) 2012-2023 Free Software Foundation, Inc.
   6 # Written by Sriraman Tallam <tmsriram@google.com>.
   7
   8 # This file is part of gold.
   9
  10 # This program is free software; you can redistribute it and/or modify
  11 # it under the terms of the GNU General Public License as published by
  12 # the Free Software Foundation; either version 3 of the License, or
  13 # (at your option) any later version.
  14
  15 # This program is distributed in the hope that it will be useful,
  16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 # GNU General Public License for more details.
  19
  20 # You should have received a copy of the GNU General Public License
  21 # along with this program; if not, write to the Free Software
  22 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  23 # MA 02110-1301, USA.
  24
  25 # The goal of this program is to verify if .text sections are grouped
  26 # according to prefix.  .text.unlikely, .text.startup and .text.hot should
  27 # be grouped and placed together.
  28
  29 # Also check if the functions do not get grouped with option --no-text-reorder.
  30
  31 set -e
  32
  33 check()
  34 {
  35     awk "
  36 BEGIN { saw1 = 0; saw2 = 0; err = 0; }
  37 /.*$2\$/ { saw1 = 1; }
  38 /.*$3\$/ {
  39      saw2 = 1;
  40      if (!saw1)
  41        {
  42           printf \"layout of $2 and $3 is not right\\n\";
  43           err = 1;
  44           exit 1;
  45        }
  46     }
  47 END {
  48       if (!saw1 && !err)
  49         {
  50           printf \"did not see $2\\n\";
  51           exit 1;
  52         }
  53       if (!saw2 && !err)
  54         {
  55           printf \"did not see $3\\n\";
  56           exit 1;
  57         }
  58     }" $1
  59 }
  60
  61 # addr (unlikely_*) < addr (startup_*) < addr (hot_*)
  62 check text_section_grouping.stdout "unlikely_foo" "startup_foo"
  63 check text_section_grouping.stdout "startup_foo" "hot_foo"
  64 check text_section_grouping.stdout "unlikely_bar" "startup_bar"
  65 check text_section_grouping.stdout "startup_bar" "hot_bar"
  66 check text_section_grouping.stdout "unlikely_foo" "startup_bar"
  67 check text_section_grouping.stdout "startup_foo" "hot_bar"
  68
  69 check text_section_no_grouping.stdout "hot_foo" "startup_foo"
  70 check text_section_no_grouping.stdout "startup_foo" "unlikely_foo"
  71 check text_section_no_grouping.stdout "unlikely_foo" "hot_bar"
  72 check text_section_no_grouping.stdout "hot_bar" "startup_bar"
  73 check text_section_no_grouping.stdout "startup_bar" "unlikely_bar"