ld/testsuite/ld-bootstrap/bootstrap.exp

   1 # Expect script for LD Bootstrap Tests
   2 #   Copyright (C) 1993-2021 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 # Skip for -fprofile-generate=.
  33 catch "exec $nm $plug_opt $OFILES" exec_output
  34 send_log "foo: $exec_output"
  35 if { [ string match "*__gcov_*" $exec_output ] } {
  36     return
  37 }
  38
  39 remote_exec host "$nm --help" "" "/dev/null" "plugin-support"
  40 set tmp [file_contents "plugin-support"]
  41 regexp ".*\(--plugin\).*\n" $tmp foo plugins
  42 if [info exists plugins] then {
  43     set plugins "yes"
  44 } else {
  45     set plugins "no"
  46 }
  47
  48 # LD can have plugin support even if BFD does not.
  49 if [check_plugin_api_available] {
  50     set plugins "yes"
  51 }
  52
  53 # Bootstrap ld.  First link the object files together using -r, in
  54 # order to test -r.  Then link the result into an executable, ld1, to
  55 # really test -r.  Use ld1 to link a fresh ld, ld2.  Use ld2 to link a
  56 # new ld, ld3.  ld2 and ld3 should be identical.
  57 set test_flags {"" "strip" "--static" "-Wl,--traditional-format"
  58                 "-Wl,--no-keep-memory" "-Wl,--relax"}
  59 if { [istarget "powerpc-*-*"] } {
  60     lappend test_flags "-Wl,--ppc476-workaround"
  61 }
  62
  63 set gcc_B_opt_save $gcc_B_opt
  64
  65 foreach ldexe {ld1 ld2 ld3} {
  66     if {![file isdirectory tmpdir/gcc$ldexe]} then {
  67         catch "exec mkdir tmpdir/gcc$ldexe" status
  68         catch "exec ln -s ../$ldexe tmpdir/gcc$ldexe/ld" status
  69         catch "exec ln -s ld tmpdir/gcc$ldexe/collect-ld" status
  70         catch "exec ln -s ../../../gas/as-new tmpdir/gcc$ldexe/as" status
  71     }
  72 }
  73
  74 foreach flags $test_flags {
  75     set gcc_B_opt $gcc_B_opt_save
  76     set do_strip "no"
  77     if {"$flags" == "strip"} {
  78         set testname "bootstrap with $flags"
  79         set flags ""
  80         set do_strip "yes"
  81     } else { if {"$flags" != ""} {
  82         set testname "bootstrap with $flags"
  83     } else {
  84         set testname "bootstrap"
  85     }}
  86
  87     # --static is meaningless and --relax is incompatible with -r.
  88     regsub -- "-Wl," $flags "" partial_flags
  89     if { "$partial_flags" == "--static" || "$partial_flags" == "--relax" } {
  90         set partial_flags ""
  91     }
  92
  93     if { $partial_flags == "--ppc476-workaround" } {
  94         append partial_flags " -T $srcdir/$subdir/ppc476.t"
  95     }
  96
  97     # This test can only be run if we have the ld build directory,
  98     # since we need the object files.
  99     if {$ld != "$objdir/ld-new"} {
 100         untested $testname
 101         continue
 102     }
 103
 104     # If -static doesn't work, these tests will fail.
 105     if { $flags == "--static" && [string match "" $STATIC_LDFLAGS] } then {
 106         untested $testname
 107         continue
 108     }
 109
 110     # Plugin support requires linking with a dynamic library which
 111     # means that these tests will fail.
 112     if { $flags == "--static" && $plugins == "yes" } then {
 113         untested $testname
 114         continue
 115     }
 116
 117     # If we only have a shared libbfd, we probably can't run the
 118     # --static test.
 119     if { $flags == "--static" && ! [string match "*libbfd.a*" $BFDLIB] } then {
 120         untested $testname
 121         continue
 122     }
 123
 124     if ![ld_relocate $ld tmpdir/ld-partial.o "$partial_flags $OFILES"] {
 125         fail $testname
 126         continue
 127     }
 128
 129     # On AIX, you need to specify an import list when using --static.
 130     # You only want the import list when creating the final
 131     # executable.
 132     if { [istarget "*-*-aix*"]
 133          && ![istarget "ia64-*-aix*"]} {
 134         if {"$flags" == "--static"} {
 135             set flags "--static -bI:/lib/syscalls.exp"
 136         }
 137     }
 138
 139     # On Cygwin, -lintl may require -liconv when linking statically.
 140     set extralibs ""
 141     if { [istarget "*-*-cygwin*"]} {
 142         if {"$flags" == "--static"} {
 143             set extralibs "-liconv"
 144         }
 145     }
 146
 147     # Check if the system's zlib library is used.
 148     if {[file exists ../zlib/Makefile ]} then {
 149         set extralibs "$extralibs -L../zlib -lz"
 150     } else {
 151         set extralibs "$extralibs -lz"
 152     }
 153
 154     # Plugin support requires linking with libdl.
 155     if { $plugins == "yes" } {
 156         if { ![istarget "*-*-freebsd*"]} {
 157             set extralibs "$extralibs -ldl"
 158         }
 159     }
 160
 161     # On Irix 5, linking with --static only works if all the files are
 162     # compiled using -non_shared.
 163     if {"$flags" == "--static"} {
 164         setup_xfail "mips*-*-irix5*"
 165     }
 166
 167     if ![ld_link $CC tmpdir/ld1 "$flags tmpdir/ld-partial.o $CTFLIB $BFDLIB $LIBIBERTY $extralibs"] {
 168         fail $testname
 169         continue
 170     }
 171
 172     if {"$do_strip" == "yes"} {
 173         verbose -log "$strip tmpdir/ld1"
 174         catch "exec $strip tmpdir/ld1" exec_output
 175         set exec_output [prune_warnings $exec_output]
 176         if ![string match "" $exec_output] then {
 177             verbose -log "$exec_output"
 178             fail $testname
 179             continue
 180         }
 181     }
 182
 183     regsub /tmpdir/ld/ $gcc_B_opt_save /tmpdir/gccld1/ gcc_B_opt
 184     if ![ld_link $CC tmpdir/ld2 "$flags $OFILES $CTFLIB $BFDLIB $LIBIBERTY $extralibs"] {
 185         fail $testname
 186         continue
 187     }
 188
 189     regsub /tmpdir/ld/ $gcc_B_opt_save /tmpdir/gccld2/ gcc_B_opt
 190     if ![ld_link $CC tmpdir/ld3 "$flags $OFILES $CTFLIB $BFDLIB $LIBIBERTY $extralibs"] {
 191         fail $testname
 192         continue
 193     }
 194
 195     if { "$flags" == "--static"
 196          && ([istarget ia64-*-elf*]
 197              || [istarget ia64-*-linux*]
 198              || [istarget mips*-*-linux*]) } {
 199         # On ia64 and mips, tmpdir/ld2 != tmpdir/ld3 is normal since they are
 200         # generated by different linkers, tmpdir/ld1 and tmpdir/ld2.
 201         # So we rebuild tmpdir/ld2 with tmpdir/ld3.
 202         regsub /tmpdir/ld/ $gcc_B_opt_save /tmpdir/gccld3/ gcc_B_opt
 203         if ![ld_link $CC tmpdir/ld2 "$flags $OFILES $CTFLIB $BFDLIB $LIBIBERTY $extralibs"] {
 204             fail $testname
 205             continue
 206         }
 207     }
 208
 209     if {[istarget "*-*-pe"]
 210         || [istarget "*-*-wince"]
 211         || [istarget "*-*-cygwin*"]
 212         || [istarget "*-*-winnt*"]
 213         || [istarget "*-*-mingw*"]
 214         || [istarget "*-*-interix*"]
 215         || [istarget "*-*-beospe*"]
 216         || [istarget "*-*-netbsdpe*"]} {
 217         # Trim off the date present in PE binaries by only looking
 218         #   at the ends of the files
 219         # Although this works, a way to set the date would be better.
 220         # Removing or zeroing the date stamp in the binary produced by
 221         # the linker is not possible as it is required by the target OS.
 222         set do_compare [string map {16 220 f1 tmpdir/ld2 f2 tmpdir/ld3 tmp-foo1 tmpdir/ld2tail tmp-foo2 tmpdir/ld3tail} $DO_COMPARE]
 223         send_log "$do_compare\n"
 224         verbose  "$do_compare"
 225         catch "exec sh -c [list $do_compare]" exec_output
 226     } else {
 227         send_log "cmp tmpdir/ld2 tmpdir/ld3\n"
 228         verbose  "cmp tmpdir/ld2 tmpdir/ld3"
 229         catch "exec cmp tmpdir/ld2 tmpdir/ld3" exec_output
 230     }
 231     set exec_output [prune_warnings $exec_output]
 232
 233     if [string match "" $exec_output] then {
 234         pass $testname
 235     } else {
 236         send_log "$exec_output\n"
 237         verbose "$exec_output" 1
 238
 239         fail $testname
 240     }
 241 }
 242
 243 set gcc_B_opt $gcc_B_opt_save
 244 catch "exec rm -f tmpdir/ld-partial.o tmpdir/ld1 tmpdir/ld2 tmpdir/ld3" status
 245 catch "exec rm -f tmpdir/ld2tail tmpdir/ld3tail" status