ld/testsuite/ld-bootstrap/bootstrap.exp

   1 # Expect script for LD Bootstrap Tests
   2 #   Copyright (C) 1993-2016 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 {"$flags" == "--static"} {
 119             set extralibs "-liconv"
 120         }
 121     }
 122
 123     # Check if the system's zlib library is used.
 124     if {[file exists ../zlib/Makefile ]} then {
 125         set extralibs "$extralibs -L../zlib -lz"
 126     } else {
 127         set extralibs "$extralibs -lz"
 128     }
 129
 130     # Plugin support requires linking with libdl.
 131     if { $plugins == "yes" } {
 132         if { ![istarget "*-*-freebsd*"]} {
 133             set extralibs "$extralibs -ldl"
 134         }
 135     }
 136
 137     # On Irix 5, linking with --static only works if all the files are
 138     # compiled using -non_shared.
 139     if {"$flags" == "--static"} {
 140         setup_xfail "mips*-*-irix5*"
 141     }
 142
 143     if ![ld_link $ld tmpdir/ld1 "$flags tmpdir/ld-partial.o $BFDLIB $LIBIBERTY $extralibs"] {
 144         fail $testname
 145         continue
 146     }
 147
 148     if {"$do_strip" == "yes"} {
 149         verbose -log "$strip tmpdir/ld1"
 150         catch "exec $strip tmpdir/ld1" exec_output
 151         if ![string match "" $exec_output] then {
 152             verbose -log "$exec_output"
 153             fail $testname
 154             continue
 155         }
 156     }
 157
 158     if ![ld_link tmpdir/ld1 tmpdir/ld2 "$flags $OFILES $BFDLIB $LIBIBERTY $extralibs"] {
 159         fail $testname
 160         continue
 161     }
 162
 163     if ![ld_link tmpdir/ld2 tmpdir/ld3 "$flags $OFILES $BFDLIB $LIBIBERTY $extralibs"] {
 164         fail $testname
 165         continue
 166     }
 167
 168     if {"$flags" == "--static"} {
 169         if { [istarget ia64-*-elf*]
 170              || [istarget ia64-*-linux*] } {
 171             # On ia64, tmpdir/ld2 != tmpdir/ld3 is normal since they are
 172             # generated by different linkers, tmpdir/ld1 and tmpdir/ld2.
 173             # So we rebuild tmpdir/ld2 with tmpdir/ld3.
 174             if ![ld_link tmpdir/ld3 tmpdir/ld2 "$flags $OFILES $BFDLIB $LIBIBERTY $extralibs"] {
 175                 fail $testname
 176                 continue
 177             }
 178         }
 179     } else {
 180         if { [istarget mips*-*-linux*] } {
 181             # On Linux/mips, tmpdir/ld2 != tmpdir/ld3 is normal since
 182             # they are generated by different linkers, tmpdir/ld1 and
 183             # tmpdir/ld2. So we rebuild tmpdir/ld2 with tmpdir/ld3.
 184             if ![ld_link tmpdir/ld3 tmpdir/ld2 "$flags $OFILES $BFDLIB $LIBIBERTY $extralibs"] {
 185                 fail $testname
 186                 continue
 187             }
 188         }
 189     }
 190
 191     if {[istarget "*-*-pe"]
 192         || [istarget "*-*-wince"]
 193         || [istarget "*-*-cygwin*"]
 194         || [istarget "*-*-winnt*"]
 195         || [istarget "*-*-mingw*"]
 196         || [istarget "*-*-interix*"]
 197         || [istarget "*-*-beospe*"]
 198         || [istarget "*-*-netbsdpe*"]} {
 199         # Trim off the date present in PE binaries by only looking
 200         #   at the ends of the files
 201         # Although this works, a way to set the date would be better.
 202         # Removing or zeroing the date stamp in the binary produced by
 203         # the linker is not possible as it is required by the target OS.
 204         set do_compare [string map {16 220 f1 tmpdir/ld2 f2 tmpdir/ld3 tmp-foo1 tmpdir/ld2tail tmp-foo2 tmpdir/ld3tail} $DO_COMPARE]
 205         send_log "$do_compare\n"
 206         verbose  "$do_compare"
 207         catch "exec sh -c [list $do_compare]" exec_output
 208     } else {
 209         send_log "cmp tmpdir/ld2 tmpdir/ld3\n"
 210         verbose  "cmp tmpdir/ld2 tmpdir/ld3"
 211         catch "exec cmp tmpdir/ld2 tmpdir/ld3" exec_output
 212     }
 213     set exec_output [prune_warnings $exec_output]
 214
 215     if [string match "" $exec_output] then {
 216         pass $testname
 217     } else {
 218         send_log "$exec_output\n"
 219         verbose "$exec_output" 1
 220
 221         fail $testname
 222     }
 223 }
 224
 225 catch "exec rm -f tmpdir/ld-partial.o tmpdir/ld1 tmpdir/ld2 tmpdir/ld3" status
 226 catch "exec rm -f tmpdir/ld2tail tmpdir/ld3tail" status