ld/testsuite/ld-bootstrap/bootstrap.exp

   1 # Expect script for LD Bootstrap Tests
   2 #   Copyright 1993, 1994, 1995, 1996, 1997, 1998, 2000, 2001
   3 #   Free Software Foundation, Inc.
   4 #
   5 # This file is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 2 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program; if not, write to the Free Software
  17 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18 #
  19 # Written by Jeffrey Wheat (cassidy@cygnus.com)
  20 # Rewritten by Ian Lance Taylor (ian@cygnus.com)
  21 #
  22
  23 # Make sure that ld can bootstrap itself.
  24
  25 # This test can only be run if ld generates native executables.
  26 if ![isnative] {
  27     return
  28 }
  29
  30 # Bootstrap ld.  First link the object files together using -r, in
  31 # order to test -r.  Then link the result into an executable, ld1, to
  32 # really test -r.  Use ld1 to link a fresh ld, ld2.  Use ld2 to link a
  33 # new ld, ld3.  ld2 and ld3 should be identical.
  34
  35 foreach flags {"" "strip" "--static" "--traditional-format"
  36                "--no-keep-memory" "--relax"} {
  37     set do_strip "no"
  38     if {"$flags" == "strip"} {
  39         set testname "bootstrap with $flags"
  40         set flags ""
  41         set do_strip "yes"
  42     } else { if {"$flags" != ""} {
  43         set testname "bootstrap with $flags"
  44     } else {
  45         set testname "bootstrap"
  46     }}
  47
  48     # --static is meaningless and --relax is incompatible with -r.
  49     set partial_flags "$flags"
  50     if { "$flags" == "--static" || "$flags" == "--relax" } {
  51         set partial_flags ""
  52     }
  53
  54     # This test can only be run if we have the ld build directory,
  55     # since we need the object files.
  56     if {$ld != "$objdir/ld-new"} {
  57         untested $testname
  58         continue
  59     }
  60
  61     # If we only have a shared libbfd, we probably can't run the
  62     # --static test.
  63     if { $flags == "--static" && ! [string match "*libbfd.a*" $BFDLIB] } then {
  64         untested $testname
  65         continue
  66     }
  67
  68     if ![ld_relocate $ld tmpdir/ld-partial.o "$partial_flags $OFILES"] {
  69         fail $testname
  70         continue
  71     }
  72
  73     # On AIX, you need to specify an import list when using --static.
  74     # You only want the import list when creating the final
  75     # executable.
  76     if { [istarget "*-*-aix*"]
  77          && ![istarget "ia64-*-aix*"]} {
  78         if {"$flags" == "--static"} {
  79             set flags "--static -bI:/lib/syscalls.exp"
  80         }
  81     }
  82
  83     # On Irix 5, linking with --static only works if all the files are
  84     # compiled using -non_shared.
  85     if {"$flags" == "--static"} {
  86         setup_xfail "mips*-*-irix5*"
  87     }
  88
  89     if ![ld_link $ld tmpdir/ld1 "$flags tmpdir/ld-partial.o $BFDLIB $LIBIBERTY"] {
  90         fail $testname
  91         continue
  92     }
  93
  94     if {"$do_strip" == "yes"} {
  95         verbose -log "$strip tmpdir/ld1"
  96         catch "exec $strip tmpdir/ld1" exec_output
  97         if ![string match "" $exec_output] then {
  98             verbose -log "$exec_output"
  99             fail $testname
 100             continue
 101         }
 102     }
 103
 104     if ![ld_link tmpdir/ld1 tmpdir/ld2 "$flags $OFILES $BFDLIB $LIBIBERTY"] {
 105         fail $testname
 106         continue
 107     }
 108
 109     if ![ld_link tmpdir/ld2 tmpdir/ld3 "$flags $OFILES $BFDLIB $LIBIBERTY"] {
 110         fail $testname
 111         continue
 112     }
 113
 114     if {"$flags" == "--static"} {
 115         if { [istarget ia64-*-elf*]
 116              || [istarget ia64-*-linux*] } {
 117             # On ia64, tmpdir/ld2 != tmpdir/ld3 is normal since they are
 118             # generated by different linkers, tmpdir/ld1 and tmpdir/ld2.
 119             # So we rebuild tmpdir/ld2 with tmpdir/ld3.
 120             if ![ld_link tmpdir/ld3 tmpdir/ld2 "$flags $OFILES $BFDLIB $LIBIBERTY"] {
 121                 fail $testname
 122                 continue
 123             }
 124         }
 125     } else {
 126         if { [istarget mips*-*-linux*] } {
 127             # On Linux/mips, tmpdir/ld2 != tmpdir/ld3 is normal since
 128             # they are generated by different linkers, tmpdir/ld1 and
 129             # tmpdir/ld2. So we rebuild tmpdir/ld2 with tmpdir/ld3.
 130             if ![ld_link tmpdir/ld3 tmpdir/ld2 "$flags $OFILES $BFDLIB $LIBIBERTY"] {
 131                 fail $testname
 132                 continue
 133             }
 134         }
 135     }
 136
 137     send_log "compare (tail of) tmpdir/ld2 tmpdir/ld3\n"
 138     verbose  "compare (tail of) tmpdir/ld2 tmpdir/ld3"
 139     if {[istarget "*-*-pe"]
 140         || [istarget "*-*-wince"]} {
 141         # Trim off the date present in PE binaries by only looking
 142         #   at the ends of the files
 143         # Although this works, a way to set the date would be better.
 144         # Removing or zeroing the date stamp in the binary produced by
 145         # the linker is not possible as it is required by the target OS.
 146         exec tail +140 tmpdir/ld2 >tmpdir/ld2tail
 147         exec tail +140 tmpdir/ld3 >tmpdir/ld3tail
 148         catch "exec cmp tmpdir/ld2tail tmpdir/ld3tail" exec_output
 149         exec rm tmpdir/ld2tail tmpdir/ld3tail
 150     } else {
 151         send_log "cmp tmpdir/ld2 tmpdir/ld3\n"
 152         verbose  "cmp tmpdir/ld2 tmpdir/ld3"
 153         catch "exec cmp tmpdir/ld2 tmpdir/ld3" exec_output
 154     }
 155     set exec_output [prune_warnings $exec_output]
 156
 157     if [string match "" $exec_output] then {
 158         pass $testname
 159     } else {
 160         send_log "$exec_output\n"
 161         verbose "$exec_output" 1
 162
 163         fail $testname
 164     }
 165 }