gold/testsuite/text_unlikely_segment.sh

   1 #!/bin/sh
   2
   3 # plugin_final_layout.sh -- test
   4
   5 # Copyright (C) 2011-2024 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 -z,text-unlikely-segment works as
  26 # intended.  File text_unlikely_segment.cc is part of this test.
  27
  28
  29 set -e
  30
  31 # With readelf -l, an ELF Section to Segment mapping is printed as :
  32 ##############################################
  33 #  Section to Segment mapping:
  34 #  Segment Sections...
  35 #  ...
  36 #     0x     .text.unlikely
  37 #  ...
  38 ##############################################
  39 # Check if .text.unlikely is the only section in the segment.
  40 check_unique_segment()
  41 {
  42     awk "
  43 BEGIN { saw_section = 0; saw_unique = 0; }
  44 /$2/ { saw_section = 1; }
  45 /[ ]*0[0-9][ ]*$2[ ]*\$/ { saw_unique = 1; }
  46 END {
  47       if (!saw_section)
  48         {
  49           printf \"Section $2 not seen in output\\n\";
  50           exit 1;
  51         }
  52       else if (!saw_unique)
  53         {
  54           printf \"Unique segment not seen for: $2\\n\";
  55           exit 1;
  56         }
  57     }" $1
  58 }
  59
  60 check_unique_segment text_unlikely_segment_readelf.stdout ".text.unlikely"