ld/testsuite/ld-elfcomm/elfcomm.exp

   1 # Expect script for common symbol tests
   2 #   Copyright 2003, 2005 Free Software Foundation, Inc.
   3 #
   4 # This file is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program; if not, write to the Free Software
  16 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
  17 #
  18 # Written by H.J. Lu (hjl@gnu.org)
  19 #
  20
  21 # Make sure that ld correctly handles common symbols in ELF.
  22
  23 # This test can only be run on ELF platforms.
  24 if ![is_elf_format] {
  25     return
  26 }
  27
  28 set test1       "size/aligment change of common symbols"
  29 set test1w1     "$test1 (warning 1)"
  30 set test1w2     "$test1 (warning 2)"
  31 set test1c1     "$test1 (change 1)"
  32 set test1c2     "$test1 (change 2)"
  33
  34 if { [which $CC] == 0 } {
  35     untested $test1w1
  36     untested $test1w2
  37     untested $test1c1
  38     untested $test1c2
  39     return
  40 }
  41
  42 proc dump_common1 { testname } {
  43     global exec_output
  44     global READELF
  45
  46     send_log "$READELF -s tmpdir/common1.o | grep foo\n"
  47     catch "exec $READELF -s tmpdir/common1.o | grep foo" exec_output
  48     if { ![regexp "(\[  \]*)(\[0-9\]+):(\[      \]*)(\[0\]*)80(\[       \]+)4(\[        \]+)OBJECT(\[   \]+)GLOBAL(\[   \]+)DEFAULT(\[  \]+)(PRC\\\[0xff03\\\]|COM)(\[  \]+)_?foo2" $exec_output]
  49          || ![regexp "(\[       \]*)(\[0-9\]+):(\[      \]*)(\[0-9\]+)(\[       \]+)21(\[       \]+)OBJECT(\[   \]+)GLOBAL(\[   \]+)DEFAULT(\[  \]+)(\[0-9\]+)(\[       \]+)_?foo1" $exec_output] } {
  50         send_log "$exec_output\n"
  51         verbose $exec_output
  52         fail $testname
  53         return 0
  54     }
  55
  56     return 1
  57 }
  58
  59 if { ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/common1a.c tmpdir/common1a.o]
  60     || ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/common1b.c tmpdir/common1b.o] } {
  61     unresolved $test1
  62     return
  63 }
  64
  65 global ld
  66 global link_output
  67
  68 if { [ld_simple_link $ld tmpdir/common1.o "-r tmpdir/common1a.o tmpdir/common1b.o"] } {
  69     unresolved $test1w1
  70     return
  71 }
  72
  73 if { ![regexp "Warning: alignment (\[0-9\]+) of symbol \`_?foo1\' in tmpdir/common1b.o is smaller than 64 in tmpdir/common1a.o" $link_output]
  74      || ![regexp "Warning: size of symbol \`_?foo1\' changed from 2 in tmpdir/common1a.o to 21 in tmpdir/common1b.o" $link_output] } {
  75     if { [istarget mips*-*-*] } {
  76         # This test fails on MIPS because the backend sets type_change_ok.  The
  77         # size change warning is suppressed.
  78         xfail $test1w1
  79     } else {
  80         fail $test1w1
  81     }
  82 } else {
  83     pass $test1w1
  84 }
  85
  86 if { [dump_common1 $test1c1] } {
  87     pass $test1c1
  88 }
  89
  90 if { [ld_simple_link $ld tmpdir/common1.o "-r tmpdir/common1b.o tmpdir/common1a.o"] } {
  91     unresolved $test1w2
  92     return
  93 }
  94
  95 if { ![regexp "Warning: alignment (\[0-9\]+) of symbol \`_?foo1\' in tmpdir/common1b.o is smaller than 64 in tmpdir/common1a.o" $link_output] } {
  96     fail $test1w2
  97 } else {
  98     pass $test1w2
  99 }
 100
 101 if { [dump_common1 $test1c2] } {
 102     pass $test1c2
 103 }