ld/testsuite/ld-scripts/weak.exp

   1 # Test weak symbols.
   2 # By Ian Lance Taylor, Cygnus Solutions.
   3 #   Copyright 2001
   4 #   Free Software Foundation, Inc.
   5 #
   6 # This file is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software
  18 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  19
  20 set testname "weak symbols"
  21
  22 # This test only works for ELF targets.  It ought to work for some
  23 # a.out targets, but it doesn't.
  24 if ![is_elf_format] {
  25     return
  26 }
  27
  28
  29 if {! [ld_assemble $as $srcdir/$subdir/weak1.s tmpdir/weak1.o]
  30     || ! [ld_assemble $as $srcdir/$subdir/weak2.s tmpdir/weak2.o]} then {
  31     # It's OK if .weak doesn't work on this target.
  32     unresolved $testname
  33     return
  34 }
  35
  36 set weak_regexp_big \
  37 ".*Contents of section .text:.*1000 00001008 0000200c 12121212 34343434.*Contents of section .data:.*2000 00001008 0000200c 56565656 78787878.*"
  38
  39 set weak_regexp_little \
  40 ".*Contents of section .text:.*1000 08100000 0c200000 12121212 34343434.*Contents of section .data:.*2000 08100000 0c200000 56565656 78787878.*"
  41
  42 if {! [ld_simple_link $ld tmpdir/weak "$flags -T $srcdir/$subdir/weak.t tmpdir/weak1.o tmpdir/weak2.o"] } then {
  43     fail $testname
  44 } else {
  45     if {[which $objdump] == 0} then {
  46         unresolved $testname
  47         return
  48     }
  49
  50     verbose -log "$objdump -s tmpdir/weak"
  51     catch "exec $objdump -s tmpdir/weak" exec_output
  52     set exec_output [prune_warnings $exec_output]
  53     verbose -log $exec_output
  54
  55     if {[regexp $weak_regexp_big $exec_output] \
  56         || [regexp $weak_regexp_little $exec_output] } then {
  57         pass $testname
  58     } else {
  59         fail $testname
  60     }
  61 }