ld/testsuite/ld-bootstrap/bootstrap.exp

   1 # Expect script for LD Bootstrap Tests
   2 #   Copyright 1993, 1994, 1995, 1996, 1997, 1998, 2000, 2001, 2002, 2004,
   3 #   2006, 2007  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 # Written by Jeffrey Wheat (cassidy@cygnus.com)
  23 # Rewritten by Ian Lance Taylor (ian@cygnus.com)
  24 #
  25
  26 # Make sure that ld can bootstrap itself.
  27
  28 # This test can only be run if ld generates native executables.
  29 if ![isnative] {
  30     return
  31 }
  32
  33 # Bootstrap ld.  First link the object files together using -r, in
  34 # order to test -r.  Then link the result into an executable, ld1, to
  35 # really test -r.  Use ld1 to link a fresh ld, ld2.  Use ld2 to link a
  36 # new ld, ld3.  ld2 and ld3 should be identical.
  37
  38 foreach flags {"" "strip" "--static" "--traditional-format"
  39                "--no-keep-memory" "--relax"} {
  40     set do_strip "no"
  41     if {"$flags" == "strip"} {
  42         set testname "bootstrap with $flags"
  43         set flags ""
  44         set do_strip "yes"
  45     } else { if {"$flags" != ""} {
  46         set testname "bootstrap with $flags"
  47     } else {
  48         set testname "bootstrap"
  49     }}
  50
  51     # --static is meaningless and --relax is incompatible with -r.
  52     set partial_flags "$flags"
  53     if { "$flags" == "--static" || "$flags" == "--relax" } {
  54         set partial_flags ""
  55     }
  56
  57     # This test can only be run if we have the ld build directory,
  58     # since we need the object files.
  59     if {$ld != "$objdir/ld-new"} {
  60         untested $testname
  61         continue
  62     }
  63
  64     # If we only have a shared libbfd, we probably can't run the
  65     # --static test.
  66     if { $flags == "--static" && ! [string match "*libbfd.a*" $BFDLIB] } then {
  67         untested $testname
  68         continue
  69     }
  70
  71     if ![ld_relocate $ld tmpdir/ld-partial.o "$partial_flags $OFILES"] {
  72         fail $testname
  73         continue
  74     }
  75
  76     # On AIX, you need to specify an import list when using --static.
  77     # You only want the import list when creating the final
  78     # executable.
  79     if { [istarget "*-*-aix*"]
  80          && ![istarget "ia64-*-aix*"]} {
  81         if {"$flags" == "--static"} {
  82             set flags "--static -bI:/lib/syscalls.exp"
  83         }
  84     }
  85
  86     # On Cygwin, -lintl may require -liconv when linking statically.
  87     set extralibs ""
  88     if { [istarget "*-*-cygwin*"]} {
  89         if {"$flags" == "--static"} {
  90             set extralibs "-liconv"
  91         }
  92     }
  93
  94     # On Irix 5, linking with --static only works if all the files are
  95     # compiled using -non_shared.
  96     if {"$flags" == "--static"} {
  97         setup_xfail "mips*-*-irix5*"
  98     }
  99
 100     if ![ld_link $ld tmpdir/ld1 "$flags tmpdir/ld-partial.o $BFDLIB $LIBIBERTY $extralibs"] {
 101         fail $testname
 102         continue
 103     }
 104
 105     if {"$do_strip" == "yes"} {
 106         verbose -log "$strip tmpdir/ld1"
 107         catch "exec $strip tmpdir/ld1" exec_output
 108         if ![string match "" $exec_output] then {
 109             verbose -log "$exec_output"
 110             fail $testname
 111             continue
 112         }
 113     }
 114
 115     if ![ld_link tmpdir/ld1 tmpdir/ld2 "$flags $OFILES $BFDLIB $LIBIBERTY $extralibs"] {
 116         fail $testname
 117         continue
 118     }
 119
 120     if ![ld_link tmpdir/ld2 tmpdir/ld3 "$flags $OFILES $BFDLIB $LIBIBERTY $extralibs"] {
 121         fail $testname
 122         continue
 123     }
 124
 125     if {"$flags" == "--static"} {
 126         if { [istarget ia64-*-elf*]
 127              || [istarget ia64-*-linux*] } {
 128             # On ia64, tmpdir/ld2 != tmpdir/ld3 is normal since they are
 129             # generated by different linkers, tmpdir/ld1 and tmpdir/ld2.
 130             # So we rebuild tmpdir/ld2 with tmpdir/ld3.
 131             if ![ld_link tmpdir/ld3 tmpdir/ld2 "$flags $OFILES $BFDLIB $LIBIBERTY"] {
 132                 fail $testname
 133                 continue
 134             }
 135         }
 136     } else {
 137         if { [istarget mips*-*-linux*] } {
 138             # On Linux/mips, tmpdir/ld2 != tmpdir/ld3 is normal since
 139             # they are generated by different linkers, tmpdir/ld1 and
 140             # tmpdir/ld2. So we rebuild tmpdir/ld2 with tmpdir/ld3.
 141             if ![ld_link tmpdir/ld3 tmpdir/ld2 "$flags $OFILES $BFDLIB $LIBIBERTY"] {
 142                 fail $testname
 143                 continue
 144             }
 145         }
 146     }
 147
 148     send_log "compare (tail of) tmpdir/ld2 tmpdir/ld3\n"
 149     verbose  "compare (tail of) tmpdir/ld2 tmpdir/ld3"
 150     if {[istarget "*-*-pe"]
 151         || [istarget "*-*-wince"]
 152         || [istarget "*-*-cygwin*"]
 153         || [istarget "*-*-winnt*"]
 154         || [istarget "*-*-mingw*"]
 155         || [istarget "*-*-interix*"]
 156         || [istarget "*-*-beospe*"]
 157         || [istarget "*-*-netbsdpe*"]} {
 158         # Trim off the date present in PE binaries by only looking
 159         #   at the ends of the files
 160         # Although this works, a way to set the date would be better.
 161         # Removing or zeroing the date stamp in the binary produced by
 162         # the linker is not possible as it is required by the target OS.
 163         exec tail +140 tmpdir/ld2 >tmpdir/ld2tail
 164         exec tail +140 tmpdir/ld3 >tmpdir/ld3tail
 165         catch "exec cmp tmpdir/ld2tail tmpdir/ld3tail" exec_output
 166         exec rm tmpdir/ld2tail tmpdir/ld3tail
 167     } else {
 168         send_log "cmp tmpdir/ld2 tmpdir/ld3\n"
 169         verbose  "cmp tmpdir/ld2 tmpdir/ld3"
 170         catch "exec cmp tmpdir/ld2 tmpdir/ld3" exec_output
 171     }
 172     set exec_output [prune_warnings $exec_output]
 173
 174     if [string match "" $exec_output] then {
 175         pass $testname
 176     } else {
 177         send_log "$exec_output\n"
 178         verbose "$exec_output" 1
 179
 180         fail $testname
 181     }
 182 }
 183
 184 catch "exec rm -f tmpdir/ld-partial.o tmpdir/ld1 tmpdir/ld2 tmpdir/ld3" status
 185 catch "exec rm -f tmpdir/ld1tail tmpdir/ld2tail tmpdir/ld3tail" status