ld/testsuite/ld-bootstrap/bootstrap.exp

   1 # Expect script for LD Bootstrap Tests
   2 #   Copyright (C) 1993-2022 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                 "-Wl,--max-cache-size=-1"}
  60 if { [istarget "powerpc-*-*"] } {
  61     lappend test_flags "-Wl,--ppc476-workaround"
  62 }
  63
  64 set gcc_B_opt_save $gcc_B_opt
  65
  66 if {![file exists tmpdir/ldscripts]} then {
  67     catch "exec ln -s ../ldscripts tmpdir/ldscripts" status
  68 }
  69 foreach ldexe {ld1 ld2 ld3} {
  70     if {![file isdirectory tmpdir/gcc$ldexe]} then {
  71         catch "exec mkdir tmpdir/gcc$ldexe" status
  72         catch "exec ln -s ../$ldexe tmpdir/gcc$ldexe/ld" status
  73         catch "exec ln -s ld tmpdir/gcc$ldexe/collect-ld" status
  74         catch "exec ln -s ../../../gas/as-new tmpdir/gcc$ldexe/as" status
  75     }
  76 }
  77
  78 foreach flags $test_flags {
  79     set gcc_B_opt $gcc_B_opt_save
  80     set do_strip "no"
  81     if {"$flags" == "strip"} {
  82         set testname "bootstrap with $flags"
  83         set flags ""
  84         set do_strip "yes"
  85     } else { if {"$flags" != ""} {
  86         set testname "bootstrap with $flags"
  87     } else {
  88         set testname "bootstrap"
  89     }}
  90
  91     # --static is meaningless and --relax is incompatible with -r.
  92     regsub -- "-Wl," $flags "" partial_flags
  93     if { "$partial_flags" == "--static" || "$partial_flags" == "--relax" } {
  94         set partial_flags ""
  95     }
  96
  97     if { $partial_flags == "--ppc476-workaround" } {
  98         append partial_flags " -T $srcdir/$subdir/ppc476.t"
  99     }
 100
 101     # This test can only be run if we have the ld build directory,
 102     # since we need the object files.
 103     if {$ld != "$objdir/ld-new"} {
 104         untested $testname
 105         continue
 106     }
 107
 108     # If -static doesn't work, these tests will fail.
 109     if { $flags == "--static" && [string match "" $STATIC_LDFLAGS] } then {
 110         untested $testname
 111         continue
 112     }
 113
 114     # Plugin support requires linking with a dynamic library which
 115     # means that these tests will fail.
 116     if { $flags == "--static" && $plugins == "yes" } then {
 117         untested $testname
 118         continue
 119     }
 120
 121     # If we only have a shared libbfd, we probably can't run the
 122     # --static test.
 123     if { $flags == "--static" && ! [string match "*libbfd.a*" $BFDLIB] } then {
 124         untested $testname
 125         continue
 126     }
 127
 128     if ![ld_relocate $ld tmpdir/ld-partial.o "$partial_flags $OFILES"] {
 129         fail $testname
 130         continue
 131     }
 132
 133     # On AIX, you need to specify an import list when using --static.
 134     # You only want the import list when creating the final
 135     # executable.
 136     if { [istarget "*-*-aix*"]
 137          && ![istarget "ia64-*-aix*"]} {
 138         if {"$flags" == "--static"} {
 139             set flags "--static -bI:/lib/syscalls.exp"
 140         }
 141     }
 142
 143     # On Cygwin, -lintl may require -liconv when linking statically.
 144     set extralibs ""
 145     if { [istarget "*-*-cygwin*"]} {
 146         if {"$flags" == "--static"} {
 147             set extralibs "-liconv"
 148         }
 149     }
 150
 151     # Check if the system's zlib library is used.
 152     if {[file exists ../zlib/Makefile ]} then {
 153         set extralibs "$extralibs -L../zlib -lz"
 154     } else {
 155         set extralibs "$extralibs -lz"
 156     }
 157
 158     # Plugin support requires linking with libdl.
 159     if { $plugins == "yes" } {
 160         if { ![istarget "*-*-freebsd*"]} {
 161             set extralibs "$extralibs -ldl"
 162         }
 163     }
 164
 165     # On Irix 5, linking with --static only works if all the files are
 166     # compiled using -non_shared.
 167     if {"$flags" == "--static"} {
 168         setup_xfail "mips*-*-irix5*"
 169     }
 170
 171     if ![ld_link $CC tmpdir/ld1 "$CFLAGS $flags tmpdir/ld-partial.o $CTFLIB $BFDLIB $LIBIBERTY $extralibs"] {
 172         fail $testname
 173         continue
 174     }
 175
 176     if {"$do_strip" == "yes"} {
 177         verbose -log "$strip tmpdir/ld1"
 178         catch "exec $strip tmpdir/ld1" exec_output
 179         set exec_output [prune_warnings $exec_output]
 180         if ![string match "" $exec_output] then {
 181             verbose -log "$exec_output"
 182             fail $testname
 183             continue
 184         }
 185     }
 186
 187     regsub /tmpdir/ld/ $gcc_B_opt_save /tmpdir/gccld1/ gcc_B_opt
 188     if ![ld_link $CC tmpdir/ld2 "$CFLAGS $flags $OFILES $CTFLIB $BFDLIB $LIBIBERTY $extralibs"] {
 189         fail $testname
 190         continue
 191     }
 192
 193     regsub /tmpdir/ld/ $gcc_B_opt_save /tmpdir/gccld2/ gcc_B_opt
 194     if ![ld_link $CC tmpdir/ld3 "$CFLAGS $flags $OFILES $CTFLIB $BFDLIB $LIBIBERTY $extralibs"] {
 195         fail $testname
 196         continue
 197     }
 198
 199     if { "$flags" == "--static"
 200          && ([istarget ia64-*-elf*]
 201              || [istarget ia64-*-linux*]
 202              || [istarget mips*-*-linux*]) } {
 203         # On ia64 and mips, tmpdir/ld2 != tmpdir/ld3 is normal since they are
 204         # generated by different linkers, tmpdir/ld1 and tmpdir/ld2.
 205         # So we rebuild tmpdir/ld2 with tmpdir/ld3.
 206         regsub /tmpdir/ld/ $gcc_B_opt_save /tmpdir/gccld3/ gcc_B_opt
 207         if ![ld_link $CC tmpdir/ld2 "$CFLAGS $flags $OFILES $CTFLIB $BFDLIB $LIBIBERTY $extralibs"] {
 208             fail $testname
 209             continue
 210         }
 211     }
 212
 213     if {[istarget "*-*-pe"]
 214         || [istarget "*-*-wince"]
 215         || [istarget "*-*-cygwin*"]
 216         || [istarget "*-*-winnt*"]
 217         || [istarget "*-*-mingw*"]
 218         || [istarget "*-*-interix*"]
 219         || [istarget "*-*-beospe*"]} {
 220         # Trim off the date present in PE binaries by only looking
 221         #   at the ends of the files
 222         # Although this works, a way to set the date would be better.
 223         # Removing or zeroing the date stamp in the binary produced by
 224         # the linker is not possible as it is required by the target OS.
 225         set do_compare [string map {16 220 f1 tmpdir/ld2 f2 tmpdir/ld3 tmp-foo1 tmpdir/ld2tail tmp-foo2 tmpdir/ld3tail} $DO_COMPARE]
 226         send_log "$do_compare\n"
 227         verbose  "$do_compare"
 228         catch "exec sh -c [list $do_compare]" exec_output
 229     } else {
 230         send_log "cmp tmpdir/ld2 tmpdir/ld3\n"
 231         verbose  "cmp tmpdir/ld2 tmpdir/ld3"
 232         catch "exec cmp tmpdir/ld2 tmpdir/ld3" exec_output
 233     }
 234     set exec_output [prune_warnings $exec_output]
 235
 236     if [string match "" $exec_output] then {
 237         pass $testname
 238     } else {
 239         send_log "$exec_output\n"
 240         verbose "$exec_output" 1
 241
 242         fail $testname
 243     }
 244 }
 245
 246 set gcc_B_opt $gcc_B_opt_save
 247 catch "exec rm -f tmpdir/ld-partial.o tmpdir/ld1 tmpdir/ld2 tmpdir/ld3" status
 248 catch "exec rm -f tmpdir/ld2tail tmpdir/ld3tail" status