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
  25 if { ![istarget *-*-sysv4*] \
  26      && ![istarget *-*-unixware*] \
  27      && ![istarget *-*-elf*] \
  28      && ![istarget *-*-eabi*] \
  29      && ![istarget *-*-linux*] \
  30      && ![istarget *-*-irix5*] \
  31      && ![istarget *-*-irix6*] \
  32      && ![istarget *-*-solaris2*] } then {
  33     return
  34 }
  35
  36 if { [istarget *-*-linux*aout*] \
  37      || [istarget *-*-linux*oldld*] } {
  38     return
  39 }
  40
  41 if {! [ld_assemble $as $srcdir/$subdir/weak1.s tmpdir/weak1.o]
  42     || ! [ld_assemble $as $srcdir/$subdir/weak2.s tmpdir/weak2.o]} then {
  43     # It's OK if .weak doesn't work on this target.
  44     unresolved $testname
  45     return
  46 }
  47
  48 set weak_regexp_big \
  49 ".*Contents of section .text:.*1000 00001008 0000200c 12121212 34343434.*Contents of section .data:.*2000 00001008 0000200c 56565656 78787878.*"
  50
  51 set weak_regexp_little \
  52 ".*Contents of section .text:.*1000 08100000 0c200000 12121212 34343434.*Contents of section .data:.*2000 08100000 0c200000 56565656 78787878.*"
  53
  54 if {! [ld_simple_link $ld tmpdir/weak "$flags -T $srcdir/$subdir/weak.t tmpdir/weak1.o tmpdir/weak2.o"] } then {
  55     fail $testname
  56 } else {
  57     if {[which $objdump] == 0} then {
  58         unresolved $testname
  59         return
  60     }
  61
  62     verbose -log "$objdump -s tmpdir/weak"
  63     catch "exec $objdump -s tmpdir/weak" exec_output
  64     set exec_output [prune_warnings $exec_output]
  65     verbose -log $exec_output
  66
  67     if {[regexp $weak_regexp_big $exec_output] \
  68         || [regexp $weak_regexp_little $exec_output] } then {
  69         pass $testname
  70     } else {
  71         fail $testname
  72     }
  73 }