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