ld/testsuite/ld-bootstrap/bootstrap.exp

   1 # Expect script for LD Bootstrap Tests
   2 #   Copyright (C) 1993-2018 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" "-Wl,--traditional-format"
  52                 "-Wl,--no-keep-memory" "-Wl,--relax"}
  53 if { [istarget "powerpc-*-*"] } {
  54     lappend test_flags "-Wl,--ppc476-workaround"
  55 }
  56
  57 set gcc_B_opt_save $gcc_B_opt
  58
  59 foreach ldexe {ld1 ld2 ld3} {
  60     if {![file isdirectory tmpdir/gcc$ldexe]} then {
  61         catch "exec mkdir tmpdir/gcc$ldexe" status
  62         catch "exec ln -s ../$ldexe tmpdir/gcc$ldexe/ld" status
  63         catch "exec ln -s ld tmpdir/gcc$ldexe/collect-ld" status
  64         catch "exec ln -s ../../../gas/as-new tmpdir/gcc$ldexe/as" status
  65     }
  66 }
  67
  68 foreach flags $test_flags {
  69     set gcc_B_opt $gcc_B_opt_save
  70     set do_strip "no"
  71     if {"$flags" == "strip"} {
  72         set testname "bootstrap with $flags"
  73         set flags ""
  74         set do_strip "yes"
  75     } else { if {"$flags" != ""} {
  76         set testname "bootstrap with $flags"
  77     } else {
  78         set testname "bootstrap"
  79     }}
  80
  81     # --static is meaningless and --relax is incompatible with -r.
  82     regsub -- "-Wl," $flags "" partial_flags
  83     if { "$partial_flags" == "--static" || "$partial_flags" == "--relax" } {
  84         set partial_flags ""
  85     }
  86
  87     if { $partial_flags == "--ppc476-workaround" } {
  88         append partial_flags " -T $srcdir/$subdir/ppc476.t"
  89     }
  90
  91     # This test can only be run if we have the ld build directory,
  92     # since we need the object files.
  93     if {$ld != "$objdir/ld-new"} {
  94         untested $testname
  95         continue
  96     }
  97
  98     # Plugin support requires linking with a dynamic library which
  99     # means that these tests will fail.
 100     if { $flags == "--static" && $plugins == "yes" } then {
 101         untested $testname
 102         continue
 103     }
 104
 105     # If we only have a shared libbfd, we probably can't run the
 106     # --static test.
 107     if { $flags == "--static" && ! [string match "*libbfd.a*" $BFDLIB] } then {
 108         untested $testname
 109         continue
 110     }
 111
 112     if ![ld_relocate $ld tmpdir/ld-partial.o "$partial_flags $OFILES"] {
 113         fail $testname
 114         continue
 115     }
 116
 117     # On AIX, you need to specify an import list when using --static.
 118     # You only want the import list when creating the final
 119     # executable.
 120     if { [istarget "*-*-aix*"]
 121          && ![istarget "ia64-*-aix*"]} {
 122         if {"$flags" == "--static"} {
 123             set flags "--static -bI:/lib/syscalls.exp"
 124         }
 125     }
 126
 127     # On Cygwin, -lintl may require -liconv when linking statically.
 128     set extralibs ""
 129     if { [istarget "*-*-cygwin*"]} {
 130         if {"$flags" == "--static"} {
 131             set extralibs "-liconv"
 132         }
 133     }
 134
 135     # Check if the system's zlib library is used.
 136     if {[file exists ../zlib/Makefile ]} then {
 137         set extralibs "$extralibs -L../zlib -lz"
 138     } else {
 139         set extralibs "$extralibs -lz"
 140     }
 141
 142     # Plugin support requires linking with libdl.
 143     if { $plugins == "yes" } {
 144         if { ![istarget "*-*-freebsd*"]} {
 145             set extralibs "$extralibs -ldl"
 146         }
 147     }
 148
 149     # On Irix 5, linking with --static only works if all the files are
 150     # compiled using -non_shared.
 151     if {"$flags" == "--static"} {
 152         setup_xfail "mips*-*-irix5*"
 153     }
 154
 155     if ![ld_link $CC tmpdir/ld1 "$flags tmpdir/ld-partial.o $BFDLIB $LIBIBERTY $extralibs"] {
 156         fail $testname
 157         continue
 158     }
 159
 160     if {"$do_strip" == "yes"} {
 161         verbose -log "$strip tmpdir/ld1"
 162         catch "exec $strip tmpdir/ld1" exec_output
 163         if ![string match "" $exec_output] then {
 164             verbose -log "$exec_output"
 165             fail $testname
 166             continue
 167         }
 168     }
 169
 170     regsub /tmpdir/ld/ $gcc_B_opt_save /tmpdir/gccld1/ gcc_B_opt
 171     if ![ld_link $CC tmpdir/ld2 "$flags $OFILES $BFDLIB $LIBIBERTY $extralibs"] {
 172         fail $testname
 173         continue
 174     }
 175
 176     regsub /tmpdir/ld/ $gcc_B_opt_save /tmpdir/gccld2/ gcc_B_opt
 177     if ![ld_link $CC tmpdir/ld3 "$flags $OFILES $BFDLIB $LIBIBERTY $extralibs"] {
 178         fail $testname
 179         continue
 180     }
 181
 182     if { "$flags" == "--static" && { [istarget ia64-*-elf*] || [istarget ia64-*-linux*] }
 183          || [istarget mips*-*-linux*] } {
 184         # On ia64 and mips, tmpdir/ld2 != tmpdir/ld3 is normal since they are
 185         # generated by different linkers, tmpdir/ld1 and tmpdir/ld2.
 186         # So we rebuild tmpdir/ld2 with tmpdir/ld3.
 187         regsub /tmpdir/ld/ $gcc_B_opt_save /tmpdir/gccld3/ gcc_B_opt
 188         if ![ld_link $CC tmpdir/ld2 "$flags $OFILES $BFDLIB $LIBIBERTY $extralibs"] {
 189             fail $testname
 190             continue
 191         }
 192     }
 193
 194     if {[istarget "*-*-pe"]
 195         || [istarget "*-*-wince"]
 196         || [istarget "*-*-cygwin*"]
 197         || [istarget "*-*-winnt*"]
 198         || [istarget "*-*-mingw*"]
 199         || [istarget "*-*-interix*"]
 200         || [istarget "*-*-beospe*"]
 201         || [istarget "*-*-netbsdpe*"]} {
 202         # Trim off the date present in PE binaries by only looking
 203         #   at the ends of the files
 204         # Although this works, a way to set the date would be better.
 205         # Removing or zeroing the date stamp in the binary produced by
 206         # the linker is not possible as it is required by the target OS.
 207         set do_compare [string map {16 220 f1 tmpdir/ld2 f2 tmpdir/ld3 tmp-foo1 tmpdir/ld2tail tmp-foo2 tmpdir/ld3tail} $DO_COMPARE]
 208         send_log "$do_compare\n"
 209         verbose  "$do_compare"
 210         catch "exec sh -c [list $do_compare]" exec_output
 211     } else {
 212         send_log "cmp tmpdir/ld2 tmpdir/ld3\n"
 213         verbose  "cmp tmpdir/ld2 tmpdir/ld3"
 214         catch "exec cmp tmpdir/ld2 tmpdir/ld3" exec_output
 215     }
 216     set exec_output [prune_warnings $exec_output]
 217
 218     if [string match "" $exec_output] then {
 219         pass $testname
 220     } else {
 221         send_log "$exec_output\n"
 222         verbose "$exec_output" 1
 223
 224         fail $testname
 225     }
 226 }
 227
 228 set gcc_B_opt $gcc_B_opt_save
 229 catch "exec rm -f tmpdir/ld-partial.o tmpdir/ld1 tmpdir/ld2 tmpdir/ld3" status
 230 catch "exec rm -f tmpdir/ld2tail tmpdir/ld3tail" status