ld/testsuite/ld-elf/comm-data.exp

   1 # Expect script for common symbol override.
   2 #
   3 # Copyright 2011, 2012 Free Software Foundation, Inc.
   4 #
   5 # This file is part of the GNU Binutils.
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program; if not, write to the Free Software
  19 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  20 # MA 02110-1301, USA.
  21 #
  22
  23 #
  24 # Written by Maciej W. Rozycki <macro@codesourcery.com>
  25 #
  26
  27 # Exclude non-ELF targets.
  28 if ![is_elf_format] {
  29     return
  30 }
  31
  32 # Exclude some more targets; feel free to include your favorite one
  33 # if you like.
  34 if { ![istarget *-*-linux*]
  35      && ![istarget *-*-gnu*] } {
  36     return
  37 }
  38
  39 set testname "Common symbol override test"
  40
  41 # Define a global symbol.
  42 run_ld_link_tests [list \
  43     [list \
  44         "$testname (auxiliary shared object build)" \
  45         "-shared" \
  46         "" \
  47         { comm-data1.s } \
  48         { \
  49             { readelf -s comm-data1.sd } \
  50         } \
  51         "libcomm-data.so" \
  52     ] \
  53 ]
  54
  55 # Set the pointer size according to the ELF flavor.
  56 set AFLAGS ""
  57 if [is_elf64 "tmpdir/libcomm-data.so"] {
  58     append AFLAGS " --defsym ELF64=1"
  59 }
  60
  61 # Verify that a common symbol has been converted to an undefined
  62 # reference to the global symbol of the same name defined above
  63 # and that the debug reference has been dropped.
  64 run_ld_link_tests [list \
  65     [list \
  66         "$testname" \
  67         "-Ltmpdir -lcomm-data" \
  68         "$AFLAGS" \
  69         { comm-data2.s } \
  70         { \
  71             { readelf -s comm-data2.sd } \
  72             { readelf -r comm-data2.rd } \
  73             { readelf "-x .debug_foo" comm-data2.xd } \
  74         } \
  75         "comm-data" \
  76     ] \
  77 ]