ld/testsuite/ld-bootstrap/bootstrap.exp

   1 # Expect script for LD Bootstrap Tests
   2 #   Copyright (C) 1993-2015 Free Software Foundation, Inc.
   3 #
   4 # This file is part of the GNU Binutils.
   5 #
   6 # This program 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 3 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., 51 Franklin Street - Fifth Floor, Boston,
  19 # MA 02110-1301, USA.
  20 #
  21 # Written by Jeffrey Wheat (cassidy@cygnus.com)
  22 # Rewritten by Ian Lance Taylor (ian@cygnus.com)
  23 #
  24
  25 # Make sure that ld can bootstrap itself.
  26
  27 # This test can only be run if ld generates native executables.
  28 if ![isnative] {
  29     return
  30 }
  31
  32 # Determine if plugin support is present.
  33 remote_exec host "$nm --help" "" "/dev/null" "plugin-support"
  34 set tmp [file_contents "plugin-support"]
  35 regexp ".*\(--plugin\).*\n" $tmp foo plugins
  36 if [info exists plugins] then {
  37     set plugins "yes"
  38 } else {
  39     set plugins "no"
  40 }
  41
  42 # LD can have plugin support even if BFD does not.
  43 if [check_plugin_api_available] {
  44     set plugins "yes"
  45 }
  46
  47 # Bootstrap ld.  First link the object files together using -r, in
  48 # order to test -r.  Then link the result into an executable, ld1, to
  49 # really test -r.  Use ld1 to link a fresh ld, ld2.  Use ld2 to link a
  50 # new ld, ld3.  ld2 and ld3 should be identical.
  51 set test_flags {"" "strip" "--static" "--traditional-format"
  52                 "--no-keep-memory" "--relax"}
  53 if { [istarget "powerpc-*-*"] } {
  54     lappend test_flags "--ppc476-workaround"
  55 }
  56
  57 foreach flags $test_flags {
  58     set do_strip "no"
  59     if {"$flags" == "strip"} {
  60         set testname "bootstrap with $flags"
  61         set flags ""
  62         set do_strip "yes"
  63     } else { if {"$flags" != ""} {
  64         set testname "bootstrap with $flags"
  65     } else {
  66         set testname "bootstrap"
  67     }}
  68
  69     # --static is meaningless and --relax is incompatible with -r.
  70     set partial_flags "$flags"
  71     if { "$flags" == "--static" || "$flags" == "--relax" } {
  72         set partial_flags ""
  73     }
  74
  75     if { $partial_flags == "--ppc476-workaround" } {
  76         append partial_flags " -T $srcdir/$subdir/ppc476.t"
  77     }
  78
  79     # This test can only be run if we have the ld build directory,
  80     # since we need the object files.
  81     if {$ld != "$objdir/ld-new"} {
  82         untested $testname
  83         continue
  84     }
  85
  86     # Plugin support requires linking with a dynamic library which
  87     # means that these tests will fail.
  88     if { $flags == "--static" && $plugins == "yes" } then {
  89         untested $testname
  90         continue
  91     }
  92
  93     # If we only have a shared libbfd, we probably can't run the
  94     # --static test.
  95     if { $flags == "--static" && ! [string match "*libbfd.a*" $BFDLIB] } then {
  96         untested $testname
  97         continue
  98     }
  99
 100     if ![ld_relocate $ld tmpdir/ld-partial.o "$partial_flags $OFILES"] {
 101         fail $testname
 102         continue
 103     }
 104
 105     # On AIX, you need to specify an import list when using --static.
 106     # You only want the import list when creating the final
 107     # executable.
 108     if { [istarget "*-*-aix*"]
 109          && ![istarget "ia64-*-aix*"]} {
 110         if {"$flags" == "--static"} {
 111             set flags "--static -bI:/lib/syscalls.exp"
 112         }
 113     }
 114
 115     # On Cygwin, -lintl may require -liconv when linking statically.
 116     set extralibs ""
 117     if { [istarget "*-*-cygwin*"]} {
 118         if {"$flags" == "--static"} {
 119             set extralibs "-liconv"
 120         }
 121     }
 122
 123     # Plugin support requires linking with libdl.
 124     if { $plugins == "yes" } {
 125         if { ![istarget "*-*-freebsd*"]} {
 126             set extralibs "$extralibs -ldl"
 127         }
 128     }
 129
 130     # On Irix 5, linking with --static only works if all the files are
 131     # compiled using -non_shared.
 132     if {"$flags" == "--static"} {
 133         setup_xfail "mips*-*-irix5*"
 134     }
 135
 136     if ![ld_link $ld tmpdir/ld1 "$flags tmpdir/ld-partial.o $BFDLIB $LIBIBERTY $extralibs"] {
 137         fail $testname
 138         continue
 139     }
 140
 141     if {"$do_strip" == "yes"} {
 142         verbose -log "$strip tmpdir/ld1"
 143         catch "exec $strip tmpdir/ld1" exec_output
 144         if ![string match "" $exec_output] then {
 145             verbose -log "$exec_output"
 146             fail $testname
 147             continue
 148         }
 149     }
 150
 151     if ![ld_link tmpdir/ld1 tmpdir/ld2 "$flags $OFILES $BFDLIB $LIBIBERTY $extralibs"] {
 152         fail $testname
 153         continue
 154     }
 155
 156     if ![ld_link tmpdir/ld2 tmpdir/ld3 "$flags $OFILES $BFDLIB $LIBIBERTY $extralibs"] {
 157         fail $testname
 158         continue
 159     }
 160
 161     if {"$flags" == "--static"} {
 162         if { [istarget ia64-*-elf*]
 163              || [istarget ia64-*-linux*] } {
 164             # On ia64, tmpdir/ld2 != tmpdir/ld3 is normal since they are
 165             # generated by different linkers, tmpdir/ld1 and tmpdir/ld2.
 166             # So we rebuild tmpdir/ld2 with tmpdir/ld3.
 167             if ![ld_link tmpdir/ld3 tmpdir/ld2 "$flags $OFILES $BFDLIB $LIBIBERTY $extralibs"] {
 168                 fail $testname
 169                 continue
 170             }
 171         }
 172     } else {
 173         if { [istarget mips*-*-linux*] } {
 174             # On Linux/mips, tmpdir/ld2 != tmpdir/ld3 is normal since
 175             # they are generated by different linkers, tmpdir/ld1 and
 176             # tmpdir/ld2. So we rebuild tmpdir/ld2 with tmpdir/ld3.
 177             if ![ld_link tmpdir/ld3 tmpdir/ld2 "$flags $OFILES $BFDLIB $LIBIBERTY $extralibs"] {
 178                 fail $testname
 179                 continue
 180             }
 181         }
 182     }
 183
 184     if {[istarget "*-*-pe"]
 185         || [istarget "*-*-wince"]
 186         || [istarget "*-*-cygwin*"]
 187         || [istarget "*-*-winnt*"]
 188         || [istarget "*-*-mingw*"]
 189         || [istarget "*-*-interix*"]
 190         || [istarget "*-*-beospe*"]
 191         || [istarget "*-*-netbsdpe*"]} {
 192         # Trim off the date present in PE binaries by only looking
 193         #   at the ends of the files
 194         # Although this works, a way to set the date would be better.
 195         # Removing or zeroing the date stamp in the binary produced by
 196         # the linker is not possible as it is required by the target OS.
 197         set do_compare [string map {16 220 f1 tmpdir/ld2 f2 tmpdir/ld3 tmp-foo1 tmpdir/ld2tail tmp-foo2 tmpdir/ld3tail} $DO_COMPARE]
 198         send_log "$do_compare\n"
 199         verbose  "$do_compare"
 200         catch "exec sh -c [list $do_compare]" exec_output
 201     } else {
 202         send_log "cmp tmpdir/ld2 tmpdir/ld3\n"
 203         verbose  "cmp tmpdir/ld2 tmpdir/ld3"
 204         catch "exec cmp tmpdir/ld2 tmpdir/ld3" exec_output
 205     }
 206     set exec_output [prune_warnings $exec_output]
 207
 208     if [string match "" $exec_output] then {
 209         pass $testname
 210     } else {
 211         send_log "$exec_output\n"
 212         verbose "$exec_output" 1
 213
 214         fail $testname
 215     }
 216 }
 217
 218 catch "exec rm -f tmpdir/ld-partial.o tmpdir/ld1 tmpdir/ld2 tmpdir/ld3" status
 219 catch "exec rm -f tmpdir/ld2tail tmpdir/ld3tail" status