ld/testsuite/ld-i386/export-class.exp

   1 # Expect script for symbol export classes, i386 variation.
   2 #
   3 # Copyright (C) 2012-2022 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 i?86-*-linux*]
  35        || [istarget i?86-*-gnu*]) } {
  36     return
  37 }
  38
  39 set testname "i386 symbol export class test"
  40
  41 # Build an auxiliary shared object with conflicting versioned symbol
  42 # definitions.
  43 run_ld_link_tests [list \
  44     [list \
  45         "$testname (auxiliary shared object)" \
  46         "-shared -version-script ../ld-elf/export-class-lib.ver" "" \
  47         "" \
  48         { ../ld-elf/export-class-lib.s } \
  49         {} \
  50         "i386-export-class-lib.so" \
  51     ] \
  52 ]
  53
  54 # Build a static object that pulls symbol definitions.  It has to come
  55 # first before the auxiliary shared object and other static objects on
  56 # the linker's command line and hence we need to build it separately.
  57 run_ld_link_tests [list \
  58     [list \
  59         "$testname (initial static object)" \
  60         "-r" "" \
  61         "" \
  62         { ../ld-elf/export-class-ref.s } \
  63         {} \
  64         "i386-export-class-ref-r.o" \
  65     ] \
  66 ]
  67
  68 # Build static objects that satisfy symbol dependencies and preempt
  69 # shared-object symbol definitions, and link all the objects built into
  70 # the final shared object.  The command-line order of objects linked is
  71 # important to make sure the linker correctly preempts versioned symbols
  72 # from the auxiliary shared object and is as follows: ref, lib, dep, def.
  73 # Get a dump to make sure symbol dependencies are resolved internally.
  74 run_ld_link_tests [list \
  75     [list \
  76         "$testname (final shared object)" \
  77         "-shared $NO_DT_RELR_LDFLAGS -Tdata=0x12340000 tmpdir/i386-export-class-ref-r.o tmpdir/i386-export-class-lib.so" "" \
  78         "" \
  79         { ../ld-elf/export-class-dep.s ../ld-elf/export-class-def.s } \
  80         { \
  81             { readelf -r i386-export-class.rd } \
  82             { readelf "-x .data" i386-export-class.xd } \
  83         } \
  84         "i386-export-class.so" \
  85     ] \
  86 ]