ld/testsuite/ld-elf/export-class.exp

   1 # Expect script for symbol export classes.
   2 #
   3 # Copyright (C) 2012-2021 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] || ![check_shared_lib_support] } {
  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 arm*-*-uclinuxfdpiceabi]
  36      && ![istarget *-*-nacl*]
  37      && ![istarget *-*-gnu*] } {
  38     return
  39 }
  40
  41 set testname "Symbol export class test"
  42
  43 # Build an auxiliary shared object with conflicting versioned symbol
  44 # definitions.
  45 run_ld_link_tests [list \
  46     [list \
  47         "$testname (auxiliary shared object)" \
  48         "-shared -version-script export-class-lib.ver" "" \
  49         "" \
  50         { export-class-lib.s } \
  51         {} \
  52         "export-class-lib.so" \
  53     ] \
  54 ]
  55
  56 # Build a static object that pulls symbol definitions.  It has to come
  57 # first before the auxiliary shared object and other static objects on
  58 # the linker's command line and hence we need to build it separately.
  59 run_ld_link_tests [list \
  60     [list \
  61         "$testname (initial static object)" \
  62         "-r" "" \
  63         "" \
  64         { export-class-ref.s } \
  65         {} \
  66         "export-class-ref-r.o" \
  67     ] \
  68 ]
  69
  70 # Build static objects that satisfy symbol dependencies and preempt
  71 # shared-object symbol definitions, and link all the objects built into
  72 # the final shared object.  The command-line order of objects linked is
  73 # important to make sure the linker correctly preempts versioned symbols
  74 # from the auxiliary shared object and is as follows: ref, lib, dep, def.
  75 # Get a dump to make sure symbol dependencies are resolved internally.
  76 run_ld_link_tests [list \
  77     [list \
  78         "$testname (final shared object)" \
  79         "-shared -Tdata=0x12340000 tmpdir/export-class-ref-r.o tmpdir/export-class-lib.so" "" \
  80         "" \
  81         { export-class-dep.s export-class-def.s } \
  82         { \
  83             { readelf -s export-class.sd } \
  84             { readelf -V export-class.vd } \
  85         } \
  86         "export-class.so" \
  87     ] \
  88 ]