ld/testsuite/ld-bootstrap/bootstrap.exp

   1 # Expect script for LD Bootstrap Tests
   2 #   Copyright (C) 1993-2023 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 if OFILES aren't provided, it can happen when lauching
  33 # the testsuites outside the build directory.
  34 if {![info exists OFILES]} {
  35     return
  36 }
  37
  38 # Skip for -fprofile-generate=.
  39 catch "exec $nm $plug_opt $OFILES" exec_output
  40 send_log "foo: $exec_output"
  41 if { [ string match "*__gcov_*" $exec_output ] } {
  42     return
  43 }
  44
  45 remote_exec host "$nm --help" "" "/dev/null" "plugin-support"
  46 set tmp [file_contents "plugin-support"]
  47 regexp ".*\(--plugin\).*\n" $tmp foo plugins
  48 if [info exists plugins] then {
  49     set plugins "yes"
  50 } else {
  51     set plugins "no"
  52 }
  53
  54 # LD can have plugin support even if BFD does not.
  55 if [check_plugin_api_available] {
  56     set plugins "yes"
  57 }
  58
  59 # Bootstrap ld.  First link the object files together using -r, in
  60 # order to test -r.  Then link the result into an executable, ld1, to
  61 # really test -r.  Use ld1 to link a fresh ld, ld2.  Use ld2 to link a
  62 # new ld, ld3.  ld2 and ld3 should be identical.
  63 set test_flags {"" "strip" "--static" "-Wl,--traditional-format"
  64                 "-Wl,--no-keep-memory" "-Wl,--relax"
  65                 "-Wl,--max-cache-size=-1"}
  66 if { [istarget "powerpc-*-*"] } {
  67     lappend test_flags "-Wl,--ppc476-workaround"
  68 }
  69
  70 set gcc_B_opt_save $gcc_B_opt
  71
  72 if {![file exists tmpdir/ldscripts]} then {
  73     catch "exec ln -s ../ldscripts tmpdir/ldscripts" status
  74 }
  75 foreach ldexe {ld1 ld2 ld3} {
  76     if {![file isdirectory tmpdir/gcc$ldexe]} then {
  77         catch "exec mkdir tmpdir/gcc$ldexe" status
  78         catch "exec ln -s ../$ldexe tmpdir/gcc$ldexe/ld" status
  79         catch "exec ln -s ld tmpdir/gcc$ldexe/collect-ld" status
  80         catch "exec ln -s ../../../gas/as-new tmpdir/gcc$ldexe/as" status
  81     }
  82 }
  83
  84 foreach flags $test_flags {
  85     set gcc_B_opt $gcc_B_opt_save
  86     set do_strip "no"
  87     if {"$flags" == "strip"} {
  88         set testname "bootstrap with $flags"
  89         set flags ""
  90         set do_strip "yes"
  91     } else { if {"$flags" != ""} {
  92         set testname "bootstrap with $flags"
  93     } else {
  94         set testname "bootstrap"
  95     }}
  96
  97     # --static is meaningless and --relax is incompatible with -r.
  98     regsub -- "-Wl," $flags "" partial_flags
  99     if { "$partial_flags" == "--static" || "$partial_flags" == "--relax" } {
 100         set partial_flags ""
 101     }
 102
 103     if { $partial_flags == "--ppc476-workaround" } {
 104         append partial_flags " -T $srcdir/$subdir/ppc476.t"
 105     }
 106
 107     # This test can only be run if we have the ld build directory,
 108     # since we need the object files.
 109     if {[file normalize $ld] != [file normalize $objdir/ld-new]} {
 110         untested $testname
 111         continue
 112     }
 113
 114     # If -static doesn't work, these tests will fail.
 115     if { $flags == "--static" && [string match "" $STATIC_LDFLAGS] } then {
 116         untested $testname
 117         continue
 118     }
 119
 120     # Plugin support requires linking with a dynamic library which
 121     # means that these tests will fail.
 122     if { $flags == "--static" && $plugins == "yes" } then {
 123         untested $testname
 124         continue
 125     }
 126
 127     # If we only have a shared libbfd, we probably can't run the
 128     # --static test.
 129     if { $flags == "--static" && ! [string match "*libbfd.a*" $BFDLIB] } then {
 130         untested $testname
 131         continue
 132     }
 133
 134     if ![ld_relocate $ld tmpdir/ld-partial.o "$partial_flags $OFILES"] {
 135         fail $testname
 136         continue
 137     }
 138
 139     # On AIX, you need to specify an import list when using --static.
 140     # You only want the import list when creating the final
 141     # executable.
 142     if { [istarget "*-*-aix*"]
 143          && ![istarget "ia64-*-aix*"]} {
 144         if {"$flags" == "--static"} {
 145             set flags "--static -bI:/lib/syscalls.exp"
 146         }
 147     }
 148
 149     # On Cygwin, -lintl may require -liconv when linking statically.
 150     set extralibs ""
 151     if { [istarget "*-*-cygwin*"]} {
 152         if {"$flags" == "--static"} {
 153             set extralibs "-liconv"
 154         }
 155     }
 156
 157     # Check if the system's zlib library is used.
 158     if {[file exists ../zlib/Makefile ]} then {
 159         set extralibs "$extralibs -L../zlib -lz"
 160     } else {
 161         set extralibs "$extralibs -lz"
 162     }
 163
 164     if { [lindex [remote_exec build grep "-q \"HAVE_ZSTD 1\" config.h" ] 0] == 0 } then {
 165         set extralibs "$extralibs -lzstd"
 166     }
 167
 168     # Check if the system's jansson library is used. If so, the object files will
 169     # be using symbols from it, so link to it.
 170     if { [lindex [remote_exec build grep "-q \"HAVE_JANSSON 1\" config.h" ] 0] == 0 } then {
 171         set extralibs "$extralibs -ljansson"
 172     }
 173
 174     # Plugin support requires linking with libdl.
 175     if { $plugins == "yes" } {
 176         if { ![istarget "*-*-freebsd*"]} {
 177             set extralibs "$extralibs -ldl"
 178         }
 179     }
 180
 181     # On Irix 5, linking with --static only works if all the files are
 182     # compiled using -non_shared.
 183     if {"$flags" == "--static"} {
 184         setup_xfail "mips*-*-irix5*"
 185     }
 186
 187     if ![ld_link $CC tmpdir/ld1 "$CFLAGS $flags tmpdir/ld-partial.o $CTFLIB $BFDLIB $LIBIBERTY $SFRAMELIB $extralibs"] {
 188         fail $testname
 189         continue
 190     }
 191
 192     if {"$do_strip" == "yes"} {
 193         verbose -log "$strip tmpdir/ld1"
 194         catch "exec $strip tmpdir/ld1" exec_output
 195         set exec_output [prune_warnings $exec_output]
 196         if ![string match "" $exec_output] then {
 197             verbose -log "$exec_output"
 198             fail $testname
 199             continue
 200         }
 201     }
 202
 203     regsub /tmpdir/ld/ $gcc_B_opt_save /tmpdir/gccld1/ gcc_B_opt
 204     if ![ld_link $CC tmpdir/ld2 "$CFLAGS $flags $OFILES $CTFLIB $BFDLIB $LIBIBERTY $SFRAMELIB $extralibs"] {
 205         fail $testname
 206         continue
 207     }
 208
 209     regsub /tmpdir/ld/ $gcc_B_opt_save /tmpdir/gccld2/ gcc_B_opt
 210     if ![ld_link $CC tmpdir/ld3 "$CFLAGS $flags $OFILES $CTFLIB $BFDLIB $LIBIBERTY $SFRAMELIB $extralibs"] {
 211         fail $testname
 212         continue
 213     }
 214
 215     if { "$flags" == "--static"
 216          && ([istarget ia64-*-elf*]
 217              || [istarget ia64-*-linux*]
 218              || [istarget mips*-*-linux*]) } {
 219         # On ia64 and mips, tmpdir/ld2 != tmpdir/ld3 is normal since they are
 220         # generated by different linkers, tmpdir/ld1 and tmpdir/ld2.
 221         # So we rebuild tmpdir/ld2 with tmpdir/ld3.
 222         regsub /tmpdir/ld/ $gcc_B_opt_save /tmpdir/gccld3/ gcc_B_opt
 223         if ![ld_link $CC tmpdir/ld2 "$CFLAGS $flags $OFILES $CTFLIB $BFDLIB $LIBIBERTY $SFRAMELIB $extralibs"] {
 224             fail $testname
 225             continue
 226         }
 227     }
 228
 229     if {[istarget "*-*-pe"]
 230         || [istarget "*-*-wince"]
 231         || [istarget "*-*-cygwin*"]
 232         || [istarget "*-*-winnt*"]
 233         || [istarget "*-*-mingw*"]
 234         || [istarget "*-*-interix*"]
 235         || [istarget "*-*-beospe*"]} {
 236         # Trim off the date present in PE binaries by only looking
 237         #   at the ends of the files
 238         # Although this works, a way to set the date would be better.
 239         # Removing or zeroing the date stamp in the binary produced by
 240         # the linker is not possible as it is required by the target OS.
 241         set do_compare [string map {16 220 f1 tmpdir/ld2 f2 tmpdir/ld3 tmp-foo1 tmpdir/ld2tail tmp-foo2 tmpdir/ld3tail} $DO_COMPARE]
 242         send_log "$do_compare\n"
 243         verbose  "$do_compare"
 244         catch "exec sh -c [list $do_compare]" exec_output
 245     } else {
 246         send_log "cmp tmpdir/ld2 tmpdir/ld3\n"
 247         verbose  "cmp tmpdir/ld2 tmpdir/ld3"
 248         catch "exec cmp tmpdir/ld2 tmpdir/ld3" exec_output
 249     }
 250     set exec_output [prune_warnings $exec_output]
 251
 252     if [string match "" $exec_output] then {
 253         pass $testname
 254     } else {
 255         send_log "$exec_output\n"
 256         verbose "$exec_output" 1
 257
 258         fail $testname
 259     }
 260 }
 261
 262 set gcc_B_opt $gcc_B_opt_save
 263 catch "exec rm -f tmpdir/ld-partial.o tmpdir/ld1 tmpdir/ld2 tmpdir/ld3" status
 264 catch "exec rm -f tmpdir/ld2tail tmpdir/ld3tail" status