ld/testsuite/ld-elfweak/elfweak.exp

   1 # Expect script for ld-weak tests
   2 #   Copyright (C) 2001-2019 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 H.J. Lu (hjl@gnu.org)
  22 #            Eric Youngdale (eric@andante.jic.com)
  23 #
  24
  25 # Check to see if the C compiler works
  26 if { ![check_compiler_available] } {
  27     return
  28 }
  29
  30 # This test can only be run on a couple of ELF platforms.
  31 # Square bracket expressions seem to confuse istarget.
  32 # This is similar to the test that is used in ld-shared, BTW.
  33 if {    ![istarget alpha*-*-linux*]
  34      && ![istarget arm*-*-linux*]
  35      && ![istarget hppa*64*-*-hpux*]
  36      && ![istarget hppa*-*-linux*]
  37      && ![istarget i?86-*-sysv4*]
  38      && ![istarget i?86-*-unixware]
  39      && ![istarget i?86-*-elf*]
  40      && ![istarget i?86-*-linux*]
  41      && ![istarget i?86-*-gnu*]
  42      && ![istarget ia64-*-elf*]
  43      && ![istarget ia64-*-linux*]
  44      && ![istarget m68k-*-linux*]
  45      && ![istarget mips*-*-irix5*]
  46      && ![istarget mips*-*-linux*]
  47      && ![istarget powerpc*-*-elf*]
  48      && ![istarget powerpc*-*-linux*]
  49      && ![istarget powerpc*-*-sysv4*]
  50      && ![istarget sh\[34\]*-*-linux*]
  51      && ![istarget sparc*-*-elf]
  52      && ![istarget sparc*-*-solaris2*]
  53      && ![istarget sparc*-*-linux*]
  54      && ![istarget x86_64-*-linux*]
  55      && ![istarget *-*-nacl*] } {
  56     return
  57 }
  58 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
  59     return
  60 }
  61
  62 set diff diff
  63 set tmpdir tmpdir
  64 set DOBJDUMP_FLAGS --dynamic-syms
  65 set SOBJDUMP_FLAGS --syms
  66 set shared "--shared -Wl,--no-as-needed"
  67
  68
  69 #
  70 # objdump_symstuff
  71 #       Dump non-dynamic symbol stuff and make sure that it is sane.
  72 #
  73 proc objdump_symstuff { objdump object expectfile } {
  74     global SOBJDUMP_FLAGS
  75     global version_output
  76     global diff
  77     global tmpdir
  78
  79     if ![info exists SOBJDUMP_FLAGS] { set SOBJDUMP_FLAGS "" }
  80
  81     set cmd "$objdump $SOBJDUMP_FLAGS $object | sed -n {s/^\\(\[0-9a-f\]* *\\)\\(\[gw\]\\)\\( *\\)\\(\[FO\]\\)/\\1\\2\\4\\3/;/foo$/p} > $tmpdir/objdump.out"
  82     verbose -log $cmd
  83     catch "exec $cmd" exec_output
  84     set exec_output [prune_warnings $exec_output]
  85     if [string match "" $exec_output] then {
  86
  87 # Now do a line-by-line comparison to effectively diff the darned things
  88 # The stuff coming from the expectfile is actually a regex, so we can
  89 # skip over the actual addresses and so forth.  This is currently very
  90 # simpleminded - it expects a one-to-one correspondence in terms of line
  91 # numbers.
  92
  93         if [file exists $expectfile] then {
  94             set file_a [open $expectfile r]
  95         } else {
  96             perror "$expectfile doesn't exist"
  97             return 0
  98         }
  99
 100         if [file exists $tmpdir/objdump.out] then {
 101             set file_b [open $tmpdir/objdump.out r]
 102         } else {
 103             perror "$tmpdir/objdump.out doesn't exist"
 104             return 0
 105         }
 106
 107         verbose "# Diff'ing: $expectfile $tmpdir/objdump.out" 2
 108
 109         set eof -1
 110         set differences 0
 111
 112         while { [gets $file_a line] != $eof } {
 113             if [regexp "^#.*$" $line] then {
 114                 continue
 115             } else {
 116                 lappend list_a $line
 117             }
 118         }
 119         close $file_a
 120
 121         while { [gets $file_b line] != $eof } {
 122             if [regexp {\.text.* \.[^ ]*$} $line] then {
 123                 # Discard defined powerpc64 dot-symbols
 124                 continue
 125             } else {
 126                 lappend list_b $line
 127             }
 128         }
 129         close $file_b
 130
 131         for { set i 0 } { $i < [llength $list_a] } { incr i } {
 132             set line_a [lindex $list_a $i]
 133             set line_b [lindex $list_b $i]
 134
 135
 136             verbose "\t$expectfile: $i: $line_a" 3
 137             verbose "\t/tmp/objdump.out: $i: $line_b" 3
 138             if [regexp $line_a $line_b] then {
 139                 continue
 140             } else {
 141                 verbose -log "\t$expectfile: $i: $line_a"
 142                 verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
 143
 144                 return 0
 145             }
 146         }
 147
 148         if { [llength $list_a] != [llength $list_b] } {
 149             verbose -log "Line count"
 150             return 0
 151         }
 152
 153         if $differences<1 then {
 154             return 1
 155         }
 156
 157         return 0
 158     } else {
 159         verbose -log "$exec_output"
 160         return 0
 161     }
 162
 163 }
 164
 165 #
 166 # objdump_dymsymstuff
 167 #       Dump dynamic symbol stuff and make sure that it is sane.
 168 #
 169 proc objdump_dynsymstuff { objdump object expectfile } {
 170     global DOBJDUMP_FLAGS
 171     global version_output
 172     global diff
 173     global tmpdir
 174
 175     if ![info exists DOBJDUMP_FLAGS] { set DOBJDUMP_FLAGS "" }
 176
 177     set cmd "$objdump $DOBJDUMP_FLAGS $object | grep foo$ > $tmpdir/objdump.out"
 178     verbose -log $cmd
 179     catch "exec $cmd" exec_output
 180     set exec_output [prune_warnings $exec_output]
 181     if [string match "" $exec_output] then {
 182
 183 # Now do a line-by-line comparison to effectively diff the darned things
 184 # The stuff coming from the expectfile is actually a regex, so we can
 185 # skip over the actual addresses and so forth.  This is currently very
 186 # simpleminded - it expects a one-to-one correspondence in terms of line
 187 # numbers.
 188
 189         if [file exists $expectfile] then {
 190             set file_a [open $expectfile r]
 191         } else {
 192             warning "$expectfile doesn't exist"
 193             return 0
 194         }
 195
 196         if [file exists $tmpdir/objdump.out] then {
 197             set file_b [open $tmpdir/objdump.out r]
 198         } else {
 199             fail "$tmpdir/objdump.out doesn't exist"
 200             return 0
 201         }
 202
 203         verbose "# Diff'ing: $expectfile $tmpdir/objdump.out" 2
 204
 205         set eof -1
 206         set differences 0
 207
 208         while { [gets $file_a line] != $eof } {
 209             if [regexp "^#.*$" $line] then {
 210                 continue
 211             } else {
 212                 lappend list_a $line
 213             }
 214         }
 215         close $file_a
 216
 217         while { [gets $file_b line] != $eof } {
 218             if [regexp {\.text.* \.[^ ]*$} $line] then {
 219                 # Discard defined powerpc64 dot-symbols
 220                 continue
 221             } else {
 222                 lappend list_b $line
 223             }
 224         }
 225         close $file_b
 226
 227         for { set i 0 } { $i < [llength $list_b] } { incr i } {
 228             set line_b [lindex $list_b $i]
 229
 230 # The tests are rigged so that we should never export a symbol with the
 231 # word 'hide' in it.  Thus we just search for it, and bail if we find it.
 232             if [regexp "hide" $line_b] then {
 233                 verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
 234
 235                 return 0
 236             }
 237
 238             verbose "\t$expectfile: $i: $line_b" 3
 239
 240             # We can't assume that the sort is consistent across
 241             # systems, so we must check each regexp.  When we find a
 242             # regexp, we null it out, so we don't match it twice.
 243             for { set j 0 } { $j < [llength $list_a] } { incr j } {
 244                 set line_a [lindex $list_a $j]
 245
 246                 if [regexp $line_a $line_b] then {
 247                     lreplace $list_a $j $j "CAN NOT MATCH"
 248                     break
 249                 }
 250             }
 251
 252             if { $j >= [llength $list_a] } {
 253                 verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
 254
 255                 return 0
 256             }
 257         }
 258
 259         if { [llength $list_a] != [llength $list_b] } {
 260             verbose -log "Line count"
 261             return 0
 262         }
 263
 264         if $differences<1 then {
 265             return 1
 266         }
 267
 268         return 0
 269     } else {
 270         verbose -log "$exec_output"
 271         return 0
 272     }
 273
 274 }
 275
 276 proc build_lib {test libname objs dynsymexp} {
 277     global CC
 278     global objdump
 279     global tmpdir
 280     global shared
 281     global srcdir
 282     global subdir
 283
 284     set files ""
 285     foreach obj $objs {
 286       set files "$files $tmpdir/$obj"
 287     }
 288
 289     if {![ld_link $CC $tmpdir/$libname.so "$shared $files"]} {
 290         fail $test
 291         return
 292     }
 293
 294     if {![string match "" $dynsymexp]
 295         && ![objdump_dynsymstuff $objdump $tmpdir/$libname.so $srcdir/$subdir/$dynsymexp]} {
 296         fail $test
 297         return
 298     }
 299     pass $test
 300 }
 301
 302 proc build_exec { test execname objs flags dat dynsymexp symexp} {
 303     global CC
 304     global objdump
 305     global tmpdir
 306     global srcdir
 307     global subdir
 308     global exec_output
 309
 310     set files ""
 311     foreach obj $objs {
 312       set files "$files $tmpdir/$obj"
 313     }
 314
 315     if {![ld_link $CC $tmpdir/$execname "$flags $files"]} {
 316         fail "$test"
 317         return
 318     }
 319
 320     if {![string match "" $dynsymexp]} then {
 321         if {![objdump_dynsymstuff $objdump $tmpdir/$execname $srcdir/$subdir/$dynsymexp]} {
 322             fail $test
 323             return
 324         }
 325     }
 326
 327     if {![string match "" $symexp]} then {
 328         if {![objdump_symstuff $objdump $tmpdir/$execname $srcdir/$subdir/$symexp]} {
 329             fail $test
 330             return
 331         }
 332     }
 333
 334     if ![isnative] {
 335         unsupported $test
 336         return
 337     }
 338     # Run the resulting program
 339     send_log "$tmpdir/$execname >$tmpdir/$execname.out\n"
 340     verbose "$tmpdir/$execname >$tmpdir/$execname.out"
 341     catch "exec $tmpdir/$execname >$tmpdir/$execname.out" exec_output
 342     if ![string match "" $exec_output] then {
 343         send_log "$exec_output\n"
 344         verbose "$exec_output"
 345         fail $test
 346         return
 347     }
 348
 349     send_log "diff $tmpdir/$execname.out $srcdir/$subdir/$dat.dat\n"
 350     verbose "diff $tmpdir/$execname.out $srcdir/$subdir/$dat.dat"
 351     catch "exec diff $tmpdir/$execname.out $srcdir/$subdir/$dat.dat" exec_output
 352     set exec_output [prune_warnings $exec_output]
 353
 354     if {![string match "" $exec_output]} then {
 355         send_log "$exec_output\n"
 356         verbose "$exec_output"
 357         fail $test
 358         return
 359     }
 360
 361     pass $test
 362 }
 363
 364 # Old version of GCC for MIPS default to enabling -fpic
 365 # and get confused if it is used on the command line.
 366 if { [istarget mips*-*-*] && ! [at_least_gcc_version 4 3] } then {
 367     set picflag ""
 368 } else {
 369     # Unfortunately, the gcc argument is -fpic and the cc argument is
 370     # -KPIC.  We have to try both.
 371     set picflag "-fpic"
 372     send_log "$CC $picflag\n"
 373     verbose "$CC $picflag"
 374     catch "exec $CC $picflag" exec_output
 375     send_log "$exec_output\n"
 376     verbose "--" "$exec_output"
 377     if { [string match "*illegal option*" $exec_output]
 378          || [string match "*option ignored*" $exec_output]
 379          || [string match "*unrecognized option*" $exec_output]
 380          || [string match "*passed to ld*" $exec_output] } {
 381         set picflag "-KPIC"
 382     }
 383 }
 384 verbose "Using $picflag to compile PIC code"
 385
 386 if {![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/foo.c $tmpdir/foo.o]
 387     || ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar.c $tmpdir/bar.o]
 388     || ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/main.c $tmpdir/main.o]
 389     || ![ld_link $CC $tmpdir/libbar.so "$shared $tmpdir/bar.o"]
 390     || ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/foo1a.c $tmpdir/foo1a.o]
 391     || ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/foo1b.c $tmpdir/foo1b.o]
 392     || ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar1a.c $tmpdir/bar1a.o]
 393     || ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar1b.c $tmpdir/bar1b.o]
 394     || ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar1c.c $tmpdir/bar1c.o]
 395     || ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/main1.c $tmpdir/main1.o]
 396     || ![ld_link $CC $tmpdir/libfoo1a.so "$shared $tmpdir/foo1a.o"]
 397     || ![ld_link $CC $tmpdir/libfoo1b.so "$shared $tmpdir/foo1b.o"]
 398     || ![ld_link $CC $tmpdir/libbar1a.so "$shared $tmpdir/bar1a.o $tmpdir/libfoo1a.so"]} then {
 399     fail "ELF weak"
 400 } else {
 401     build_lib "ELF DSO weak func first" libfoo "foo.o bar.o" dso.dsym
 402     build_lib "ELF DSO weak func last" libfoo "bar.o foo.o" dso.dsym
 403     build_lib "ELF DSO weak func first DSO" libfoo "foo.o libbar.so" dsow.dsym
 404     build_lib "ELF DSO weak func last DSO" libfoo "libbar.so foo.o" dsow.dsym
 405     build_exec "ELF weak func first" foo "main.o bar.o" "" strong "" strong.sym
 406     build_exec "ELF weak func last" foo "bar.o main.o" "" strong "" strong.sym
 407     build_exec "ELF weak func first DSO" foo "main.o libbar.so" "-Wl,-rpath,.,--no-as-needed" weak weak.dsym ""
 408     build_exec "ELF weak func last DSO" foo "libbar.so main.o" "-Wl,-rpath,.,--no-as-needed" weak weak.dsym ""
 409     build_lib "ELF DSO weak data first" libfoo "bar1a.o foo1a.o" dsodata.dsym
 410     build_lib "ELF DSO weak data last" libfoo "foo1a.o bar1a.o" dsodata.dsym
 411     build_lib "ELF DSO weak data first DSO" libfoo "main1.o libfoo1a.so" dsowdata.dsym
 412     build_lib "ELF DSO weak data last DSO" libfoo "libfoo1a.so main1.o" dsowdata.dsym
 413     build_lib "ELF DSO weak data first DSO common" libfoo "main1.o libfoo1b.so" dsowdata.dsym
 414     build_lib "ELF DSO weak data last DSO common" libfoo "libfoo1b.so main1.o" dsowdata.dsym
 415     build_exec "ELF weak data first" foo "main1.o bar1a.o foo1a.o" "" strongdata "" strongdata.sym
 416     build_exec "ELF weak data last" foo "foo1a.o main1.o bar1a.o" "" strongdata "" strongdata.sym
 417     build_exec "ELF weak data first common" foo "main1.o bar1a.o foo1b.o" "" strongdata "" strongcomm.sym
 418     build_exec "ELF weak data last common" foo "foo1b.o main1.o bar1a.o" "" strongdata "" strongcomm.sym
 419     build_exec "ELF weak data first DSO" foo "main1.o libbar1a.so libfoo1a.so" "-Wl,-rpath,.,--no-as-needed" weakdata weakdata.dsym ""
 420     build_exec "ELF weak data last DSO" foo "libfoo1a.so main1.o libbar1a.so" "-Wl,-rpath,.,--no-as-needed" weakdata weakdata.dsym ""
 421     build_exec "ELF weak data first DSO common" foo "main1.o libbar1a.so libfoo1b.so" "-Wl,--no-as-needed,-rpath,.,-rpath-link,." weakdata weakdata.dsym ""
 422     build_exec "ELF weak data last DSO common" foo "libfoo1b.so main1.o libbar1a.so" "-Wl,--no-as-needed,-rpath,.,-rpath-link,." weakdata weakdata.dsym ""
 423 }
 424
 425 if {![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/size_foo.c $tmpdir/size_foo.o]
 426     || ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/size_bar.c $tmpdir/size_bar_s.o]
 427     || ![ld_compile "$CC $CFLAGS $picflag -DSIZE_BIG" $srcdir/$subdir/size_bar.c $tmpdir/size_bar.o]
 428     || ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/size_main.c $tmpdir/size_main.o]} then {
 429     unresolved "ELF weak (size)"
 430 } else {
 431     build_lib "ELF DSO small bar (size)" libsize_bar_s "size_bar_s.o" ""
 432     build_lib "ELF DSO foo with small bar (size)" libsize_foo "size_foo.o libsize_bar_s.so" ""
 433     build_lib "ELF DSO big bar (size)" libsize_bar "size_bar.o" ""
 434     build_exec "ELF weak size" size_main "size_main.o libsize_foo.so libsize_bar.so" "-Wl,-rpath=.,-rpath-link=.,--no-as-needed" size "" ""
 435 }
 436
 437 verbose "size2"
 438 run_dump_test $srcdir/$subdir/size2
 439
 440 if {![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/alias.c $tmpdir/alias.o]
 441     || ![ld_link $CC $tmpdir/alias.so "$shared $tmpdir/alias.o"]
 442     || ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/aliasmain.c $tmpdir/aliasmain.o]
 443     || ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/weakref1.c $tmpdir/weakref1.o]
 444     || ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/weakref2.c $tmpdir/weakref2.o]} then {
 445     unresolved "ELF weak (alias)"
 446 } else {
 447     build_exec "ELF weak (alias)" alias "aliasmain.o weakref1.o weakref2.o alias.so" "-Wl,-rpath=.,--no-as-needed" alias "" ""
 448 }