ld/testsuite/ld-bootstrap/bootstrap.exp

   1 # Expect script for LD Bootstrap Tests
   2 #   Copyright (C) 1993-2020 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     # If -static doesn't work, these tests will fail.
  99     if { $flags == "--static" && [string match "" $STATIC_LDFLAGS] } then {
 100         untested $testname
 101         continue
 102     }
 103
 104     # Plugin support requires linking with a dynamic library which
 105     # means that these tests will fail.
 106     if { $flags == "--static" && $plugins == "yes" } then {
 107         untested $testname
 108         continue
 109     }
 110
 111     # If we only have a shared libbfd, we probably can't run the
 112     # --static test.
 113     if { $flags == "--static" && ! [string match "*libbfd.a*" $BFDLIB] } then {
 114         untested $testname
 115         continue
 116     }
 117
 118     if ![ld_relocate $ld tmpdir/ld-partial.o "$partial_flags $OFILES"] {
 119         fail $testname
 120         continue
 121     }
 122
 123     # On AIX, you need to specify an import list when using --static.
 124     # You only want the import list when creating the final
 125     # executable.
 126     if { [istarget "*-*-aix*"]
 127          && ![istarget "ia64-*-aix*"]} {
 128         if {"$flags" == "--static"} {
 129             set flags "--static -bI:/lib/syscalls.exp"
 130         }
 131     }
 132
 133     # On Cygwin, -lintl may require -liconv when linking statically.
 134     set extralibs ""
 135     if { [istarget "*-*-cygwin*"]} {
 136         if {"$flags" == "--static"} {
 137             set extralibs "-liconv"
 138         }
 139     }
 140
 141     # Check if the system's zlib library is used.
 142     if {[file exists ../zlib/Makefile ]} then {
 143         set extralibs "$extralibs -L../zlib -lz"
 144     } else {
 145         set extralibs "$extralibs -lz"
 146     }
 147
 148     # Plugin support requires linking with libdl.
 149     if { $plugins == "yes" } {
 150         if { ![istarget "*-*-freebsd*"]} {
 151             set extralibs "$extralibs -ldl"
 152         }
 153     }
 154
 155     # On Irix 5, linking with --static only works if all the files are
 156     # compiled using -non_shared.
 157     if {"$flags" == "--static"} {
 158         setup_xfail "mips*-*-irix5*"
 159     }
 160
 161     if ![ld_link $CC tmpdir/ld1 "$flags tmpdir/ld-partial.o $CTFLIB $BFDLIB $LIBIBERTY $extralibs"] {
 162         fail $testname
 163         continue
 164     }
 165
 166     if {"$do_strip" == "yes"} {
 167         verbose -log "$strip tmpdir/ld1"
 168         catch "exec $strip tmpdir/ld1" exec_output
 169         set exec_output [prune_warnings $exec_output]
 170         if ![string match "" $exec_output] then {
 171             verbose -log "$exec_output"
 172             fail $testname
 173             continue
 174         }
 175     }
 176
 177     regsub /tmpdir/ld/ $gcc_B_opt_save /tmpdir/gccld1/ gcc_B_opt
 178     if ![ld_link $CC tmpdir/ld2 "$flags $OFILES $CTFLIB $BFDLIB $LIBIBERTY $extralibs"] {
 179         fail $testname
 180         continue
 181     }
 182
 183     regsub /tmpdir/ld/ $gcc_B_opt_save /tmpdir/gccld2/ gcc_B_opt
 184     if ![ld_link $CC tmpdir/ld3 "$flags $OFILES $CTFLIB $BFDLIB $LIBIBERTY $extralibs"] {
 185         fail $testname
 186         continue
 187     }
 188
 189     if { "$flags" == "--static"
 190          && ([istarget ia64-*-elf*]
 191              || [istarget ia64-*-linux*]
 192              || [istarget mips*-*-linux*]) } {
 193         # On ia64 and mips, tmpdir/ld2 != tmpdir/ld3 is normal since they are
 194         # generated by different linkers, tmpdir/ld1 and tmpdir/ld2.
 195         # So we rebuild tmpdir/ld2 with tmpdir/ld3.
 196         regsub /tmpdir/ld/ $gcc_B_opt_save /tmpdir/gccld3/ gcc_B_opt
 197         if ![ld_link $CC tmpdir/ld2 "$flags $OFILES $CTFLIB $BFDLIB $LIBIBERTY $extralibs"] {
 198             fail $testname
 199             continue
 200         }
 201     }
 202
 203     if {[istarget "*-*-pe"]
 204         || [istarget "*-*-wince"]
 205         || [istarget "*-*-cygwin*"]
 206         || [istarget "*-*-winnt*"]
 207         || [istarget "*-*-mingw*"]
 208         || [istarget "*-*-interix*"]
 209         || [istarget "*-*-beospe*"]
 210         || [istarget "*-*-netbsdpe*"]} {
 211         # Trim off the date present in PE binaries by only looking
 212         #   at the ends of the files
 213         # Although this works, a way to set the date would be better.
 214         # Removing or zeroing the date stamp in the binary produced by
 215         # the linker is not possible as it is required by the target OS.
 216         set do_compare [string map {16 220 f1 tmpdir/ld2 f2 tmpdir/ld3 tmp-foo1 tmpdir/ld2tail tmp-foo2 tmpdir/ld3tail} $DO_COMPARE]
 217         send_log "$do_compare\n"
 218         verbose  "$do_compare"
 219         catch "exec sh -c [list $do_compare]" exec_output
 220     } else {
 221         send_log "cmp tmpdir/ld2 tmpdir/ld3\n"
 222         verbose  "cmp tmpdir/ld2 tmpdir/ld3"
 223         catch "exec cmp tmpdir/ld2 tmpdir/ld3" exec_output
 224     }
 225     set exec_output [prune_warnings $exec_output]
 226
 227     if [string match "" $exec_output] then {
 228         pass $testname
 229     } else {
 230         send_log "$exec_output\n"
 231         verbose "$exec_output" 1
 232
 233         fail $testname
 234     }
 235 }
 236
 237 set gcc_B_opt $gcc_B_opt_save
 238 catch "exec rm -f tmpdir/ld-partial.o tmpdir/ld1 tmpdir/ld2 tmpdir/ld3" status
 239 catch "exec rm -f tmpdir/ld2tail tmpdir/ld3tail" status