ld/testsuite/ld-elfvers/vers.exp

   1 # Expect script for ld-version tests
   2 #   Copyright (C) 1997-2024 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 Eric Youngdale (eric@andante.jic.com)
  22
  23 #
  24
  25 # Check to see if the C compiler works
  26 if { ![check_compiler_available] } {
  27     return
  28 }
  29
  30 # Skip targets where -shared is not supported
  31 if { ![check_shared_lib_support] } {
  32     return
  33 }
  34
  35 # This test can only be run on a couple of ELF platforms.
  36 # Square bracket expressions seem to confuse istarget.
  37 # This is similar to the test that is used in ld-shared, BTW.
  38 if { ![istarget hppa*64*-*-hpux*]
  39      && ![istarget hppa*-*-linux*]
  40      && ![istarget i?86-*-elf*]
  41      && ![istarget i?86-*-linux*]
  42      && ![istarget i?86-*-gnu*]
  43      && ![istarget ia64-*-elf*]
  44      && ![istarget ia64-*-linux*]
  45      && ![istarget m68k-*-linux*]
  46      && ![istarget mips*-*-irix5*]
  47      && ![istarget powerpc*-*-elf*]
  48      && ![istarget powerpc*-*-linux*]
  49      && ![istarget powerpc*-*-sysv4*]
  50      && ![istarget sparc*-*-elf]
  51      && ![istarget sparc*-*-solaris2*]
  52      && ![istarget sparc*-*-linux*]
  53      && ![istarget aarch64*-*-linux*]
  54      && ![istarget arm*-*-linux*]
  55      && ![istarget mips*-*-linux*]
  56      && ![istarget alpha*-*-linux*]
  57      && ![istarget s390*-*-linux*]
  58      && ![istarget sh\[34\]*-*-linux*]
  59      && ![istarget x86_64-*-linux*] } {
  60     return
  61 }
  62
  63 set diff diff
  64 set tmpdir tmpdir
  65 set VOBJDUMP_FLAGS --private-headers
  66 set DOBJDUMP_FLAGS --dynamic-syms
  67 set SOBJDUMP_FLAGS --syms
  68 set shared "--shared --no-undefined-version"
  69 set script --version-script
  70
  71 # Old version of GCC for MIPS default to enabling -fpic
  72 # and get confused if it is used on the command line.
  73 if { [istarget mips*-*-*] && ! [at_least_gcc_version 4 3] } then {
  74     set picflag ""
  75 } else {
  76     # Unfortunately, the gcc argument is -fpic and the cc argument is
  77     # -KPIC.  We have to try both.
  78     set picflag "-fpic"
  79     send_log "$CC_FOR_TARGET $picflag\n"
  80     verbose "$CC_FOR_TARGET $picflag"
  81     catch "exec $CC_FOR_TARGET $picflag" exec_output
  82     send_log "$exec_output\n"
  83     verbose "--" "$exec_output"
  84     if { [string match "*illegal option*" $exec_output]
  85          || [string match "*option ignored*" $exec_output]
  86          || [string match "*unrecognized option*" $exec_output]
  87          || [string match "*passed to ld*" $exec_output] } {
  88         set picflag "-KPIC"
  89     }
  90 }
  91
  92 switch -glob $target_triplet {
  93     ia64-*-* { set as_options "-x" }
  94     sparc-*-* { set as_options "-Av9a" }
  95     default { set as_options "" }
  96 }
  97
  98 proc test_ar { test lib object expect } {
  99     global ar
 100     global nm
 101     global tmpdir
 102     global srcdir
 103     global subdir
 104     global diff
 105
 106     verbose -log "$ar -cr $tmpdir/$lib $tmpdir/$object"
 107     catch "exec $ar -cr $tmpdir/$lib $tmpdir/$object" exec_output
 108     set exec_output [prune_warnings $exec_output]
 109     if ![string match "" $exec_output] {
 110         verbose -log "$exec_output"
 111         fail "$test"
 112         return
 113     }
 114
 115     set cmd "$nm --print-armap $tmpdir/$lib | sed -n -e /^\\\\./d -e \"/^VERS.* in /p\" -e \"/bar.* in /p\" -e \"/foo.* in /p\" | sort > $tmpdir/nm.out"
 116     verbose -log $cmd
 117     catch "exec $cmd" exec_output
 118     if [string match "" $exec_output] then {
 119         catch "exec sort $srcdir/$subdir/$expect | $diff $tmpdir/nm.out -" exec_output
 120         set exec_output [prune_warnings $exec_output]
 121         if [string match "" $exec_output] then {
 122             pass $test
 123             return
 124         } else {
 125             verbose -log "$exec_output"
 126             fail "$test"
 127             return
 128         }
 129     } else {
 130         verbose -log "$exec_output"
 131         fail "$test"
 132     }
 133 }
 134
 135 #
 136 # objdump_emptysymstuff
 137 #       Check non-dynamic symbols and make sure there are none with '@'.
 138 #
 139 proc objdump_emptysymstuff { objdump object } {
 140     global SOBJDUMP_FLAGS
 141     global version_output
 142     global diff
 143
 144     if ![info exists SOBJDUMP_FLAGS] { set SOBJDUMP_FLAGS "" }
 145
 146     verbose -log "$objdump $SOBJDUMP_FLAGS $object | sed -n /\@/p"
 147
 148     catch "exec $objdump $SOBJDUMP_FLAGS $object | sed -n /\@/p" exec_output
 149     set exec_output [prune_warnings $exec_output]
 150     if [string match "" $exec_output] then {
 151 # We shouldn't get anything here.
 152         return 1
 153     } else {
 154 # it is not normal to come here - we have no output to compare.
 155         verbose -log "$exec_output"
 156         verbose -log "objdump_emptysymstuff: did not expect any output from objdump"
 157         return 0
 158     }
 159
 160 }
 161
 162 #
 163 # objdump_emptydynsymstuff
 164 #       Check dynamic symbols and make sure there are none with '@'.
 165 #
 166 proc objdump_emptydynsymstuff { objdump object } {
 167     global DOBJDUMP_FLAGS
 168     global version_output
 169     global diff
 170
 171     if ![info exists VOBJDUMP_FLAGS] { set VOBJDUMP_FLAGS "" }
 172
 173     verbose -log "$objdump $DOBJDUMP_FLAGS $object | sed -n /VERS/p\\\;/show/p"
 174
 175     catch "exec $objdump $DOBJDUMP_FLAGS $object | sed -n /VERS/p\\\;/show/p" exec_output
 176     set exec_output [prune_warnings $exec_output]
 177     if [string match "" $exec_output] then {
 178 # We shouldn't get anything here.
 179         return 1
 180     } else { if [string match "*objdump: *: not a dynamic object" $exec_output] then {
 181         return 1
 182     } else {
 183 # it is not normal to come here - we have no output to compare.
 184         verbose -log "$exec_output"
 185         verbose -log "objdump_emptydynsymstuff: did not expect any output from objdump"
 186         return 0
 187     } }
 188 }
 189
 190 #
 191 # objdump_emptyverstuff
 192 #       Make sure there is no version information
 193 #
 194 proc objdump_emptyverstuff { objdump object } {
 195     global VOBJDUMP_FLAGS
 196     global version_output
 197     global diff
 198     global tmpdir
 199
 200     if {[which $objdump] == 0} then {
 201         perror "$objdump does not exist"
 202         return 0
 203     }
 204
 205     if ![info exists VOBJDUMP_FLAGS] { set VOBJDUMP_FLAGS "" }
 206
 207     verbose -log "$objdump $VOBJDUMP_FLAGS $object | sed -n /Version/,\\\$p > $tmpdir/objdump.out"
 208
 209     catch "exec $objdump $VOBJDUMP_FLAGS $object | sed -n /Version/,\\\$p" exec_output
 210     set exec_output [prune_warnings $exec_output]
 211     if [string match "" $exec_output] then {
 212 # it is normal to fail here - we have no output to compare.
 213         return 1
 214     } else { if { [string match "*libc*" $exec_output] } then {
 215 # this probably means that there is version information in libc, so we
 216 # can't really perform this test.
 217         return 1
 218     } else { if { [string match "*Version? EABI*" $exec_output] } then {
 219 # there is EABI Version information in the private flags of the binary.
 220         return 1
 221     } else {
 222         verbose -log "$exec_output"
 223         verbose -log "objdump_emptyverstuff: did not expect any output from objdump"
 224         return 0
 225     } } }
 226 }
 227
 228 #
 229 # objdump_symstuff
 230 #       Dump non-dynamic symbol stuff and make sure that it is sane.
 231 #
 232 proc objdump_symstuff { objdump object expectfile } {
 233     global SOBJDUMP_FLAGS
 234     global version_output
 235     global diff
 236     global tmpdir
 237
 238     if ![info exists SOBJDUMP_FLAGS] { set SOBJDUMP_FLAGS "" }
 239
 240     set cmd "$objdump $SOBJDUMP_FLAGS $object | sed -n {s/^\\(\[0-9a-f\]* *\\)\\(\[gw\]\\)\\( *\\)\\(\[FO\]\\)/\\1\\2\\4\\3/;/\@/p} | sort -k 5 > $tmpdir/objdump.out"
 241     verbose -log $cmd
 242     catch "exec $cmd" exec_output
 243     set exec_output [prune_warnings $exec_output]
 244     if [string match "" $exec_output] then {
 245
 246 # Now do a line-by-line comparison to effectively diff the darned things
 247 # The stuff coming from the expectfile is actually a regex, so we can
 248 # skip over the actual addresses and so forth.  This is currently very
 249 # simpleminded - it expects a one-to-one correspondence in terms of line
 250 # numbers.
 251
 252         if [file exists $expectfile] then {
 253             set file_a [open $expectfile r]
 254         } else {
 255             perror "$expectfile doesn't exist"
 256             return 0
 257         }
 258
 259         if [file exists $tmpdir/objdump.out] then {
 260             set file_b [open $tmpdir/objdump.out r]
 261         } else {
 262             perror "$tmpdir/objdump.out doesn't exist"
 263             return 0
 264         }
 265
 266         verbose "# Diff'ing: $expectfile $tmpdir/objdump.out" 2
 267
 268         set eof -1
 269         set list_a {}
 270         set list_b {}
 271
 272         while { [gets $file_a line] != $eof } {
 273             if [regexp "^#.*$" $line] then {
 274                 continue
 275             } else {
 276                 lappend list_a $line
 277             }
 278         }
 279         close $file_a
 280
 281         while { [gets $file_b line] != $eof } {
 282             if [regexp {\.text.* \.[^ ]*$} $line] then {
 283                 # Discard defined powerpc64 dot-symbols
 284                 continue
 285             } else {
 286                 lappend list_b $line
 287             }
 288         }
 289         close $file_b
 290
 291         for { set i 0 } { $i < [llength $list_a] } { incr i } {
 292             set line_a [lindex $list_a $i]
 293             set line_b [lindex $list_b $i]
 294
 295             verbose "\t$expectfile: $i: $line_a" 3
 296             verbose "\t/tmp/objdump.out: $i: $line_b" 3
 297             if [regexp $line_a $line_b] then {
 298                 continue
 299             } else {
 300                 verbose -log "\t$expectfile: $i: $line_a"
 301                 verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
 302
 303                 return 0
 304             }
 305         }
 306
 307         if { [llength $list_a] != [llength $list_b] } {
 308             verbose -log "Line count"
 309             return 0
 310         }
 311         return 1
 312
 313     } else {
 314         verbose -log "$exec_output"
 315         return 0
 316     }
 317 }
 318
 319 #
 320 # objdump_dymsymstuff
 321 #       Dump dynamic symbol stuff and make sure that it is sane.
 322 #
 323 proc objdump_dynsymstuff { objdump object expectfile } {
 324     global DOBJDUMP_FLAGS
 325     global version_output
 326     global diff
 327     global tmpdir
 328
 329     if ![info exists DOBJDUMP_FLAGS] { set DOBJDUMP_FLAGS "" }
 330
 331     set cmd "$objdump $DOBJDUMP_FLAGS $object | sed -n /VERS/p\\\;/show/p | sort | uniq > $tmpdir/objdump.out"
 332     verbose -log $cmd
 333     catch "exec $cmd" exec_output
 334     set exec_output [prune_warnings $exec_output]
 335     if [string match "" $exec_output] then {
 336
 337 # Now do a line-by-line comparison to effectively diff the darned things
 338 # The stuff coming from the expectfile is actually a regex, so we can
 339 # skip over the actual addresses and so forth.  This is currently very
 340 # simpleminded - it expects a one-to-one correspondence in terms of line
 341 # numbers.
 342
 343         if [file exists $expectfile] then {
 344             set file_a [open $expectfile r]
 345         } else {
 346             warning "$expectfile doesn't exist"
 347             return 0
 348         }
 349
 350         if [file exists $tmpdir/objdump.out] then {
 351             set file_b [open $tmpdir/objdump.out r]
 352         } else {
 353             fail "$tmpdir/objdump.out doesn't exist"
 354             return 0
 355         }
 356
 357         verbose "# Diff'ing: $expectfile $tmpdir/objdump.out" 2
 358
 359         set eof -1
 360         set list_a {}
 361         set list_b {}
 362
 363         while { [gets $file_a line] != $eof } {
 364             if [regexp "^#.*$" $line] then {
 365                 continue
 366             } else {
 367                 lappend list_a $line
 368             }
 369         }
 370         close $file_a
 371
 372         while { [gets $file_b line] != $eof } {
 373             if [regexp {\.text.* \.[^ ]*$} $line] then {
 374                 # Discard defined powerpc64 dot-symbols
 375                 continue
 376             } else {
 377                 lappend list_b $line
 378             }
 379         }
 380         close $file_b
 381
 382         for { set i 0 } { $i < [llength $list_b] } { incr i } {
 383             set line_b [lindex $list_b $i]
 384
 385 # The tests are rigged so that we should never export a symbol with the
 386 # word 'hide' in it.  Thus we just search for it, and bail if we find it.
 387             if [regexp "hide" $line_b] then {
 388                 verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
 389
 390                 return 0
 391             }
 392
 393             verbose "\t$expectfile: $i: $line_b" 3
 394
 395             # We can't assume that the sort is consistent across
 396             # systems, so we must check each regexp.  When we find a
 397             # regexp, we null it out, so we don't match it twice.
 398             for { set j 0 } { $j < [llength $list_a] } { incr j } {
 399                 set line_a [lindex $list_a $j]
 400
 401                 if [regexp $line_a $line_b] then {
 402                     lreplace $list_a $j $j "CAN NOT MATCH"
 403                     break
 404                 }
 405             }
 406
 407             if { $j >= [llength $list_a] } {
 408                 verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
 409
 410                 return 0
 411             }
 412         }
 413
 414         if { [llength $list_a] != [llength $list_b] } {
 415             verbose -log "Line count"
 416             return 0
 417         }
 418         return 1
 419
 420     } else {
 421         verbose -log "$exec_output"
 422         return 0
 423     }
 424 }
 425
 426 #
 427 # objdump_versionstuff
 428 #       Dump version definitions/references and make sure that it is sane.
 429 #
 430 proc objdump_versionstuff { objdump object expectfile } {
 431     global VOBJDUMP_FLAGS
 432     global version_output
 433     global diff
 434     global tmpdir
 435
 436     if {[which $objdump] == 0} then {
 437         perror "$objdump does not exist"
 438         return 0
 439     }
 440
 441     if ![info exists VOBJDUMP_FLAGS] { set VOBJDUMP_FLAGS "" }
 442
 443     verbose -log "$objdump $VOBJDUMP_FLAGS $object | sed -n /Version/,\\\$p > $tmpdir/objdump.out"
 444
 445     catch "exec $objdump $VOBJDUMP_FLAGS $object | sed -n /Version/,\\\$p > $tmpdir/objdump.out" exec_output
 446     set exec_output [prune_warnings $exec_output]
 447     if [string match "" $exec_output] then {
 448
 449         # It's OK if there are extra lines in the actual output; they
 450         # may come from version information in libc.  We require that
 451         # every line in EXPECTFILE appear in the output in any order.
 452
 453         set f2 [open $expectfile r]
 454         while { [gets $f2 l2] != -1 } {
 455             if { ![regexp "^#.*$" $l2] } then {
 456                 set f1 [open $tmpdir/objdump.out r]
 457                 while { [gets $f1 l1] != -1 } {
 458                     if { [string match $l2 $l1] } then {
 459                         break
 460                     }
 461                 }
 462                 close $f1
 463
 464                 if { ![string match $l2 $l1] } then {
 465                     verbose -log "Did not find \"$l2\""
 466                     set f1 [open $tmpdir/objdump.out r]
 467                     while { [gets $f1 l1] != -1 } {
 468                         verbose -log $l1
 469                     }
 470                     close $f1
 471                     close $f2
 472                     return 0
 473                 }
 474             }
 475         }
 476         close $f2
 477         return 1
 478     } else {
 479         verbose -log "$exec_output"
 480         return 0
 481     }
 482 }
 483
 484 proc build_binary { shared pic test source libname other mapfile verexp versymexp symexp ldargs } {
 485     global ld
 486     global srcdir
 487     global subdir
 488     global exec_output
 489     global host_triplet
 490     global tmpdir
 491     global as
 492     global as_options
 493     global objdump
 494     global CC_FOR_TARGET
 495     global script
 496     global NOSANITIZE_CFLAGS
 497     global NOLTO_CFLAGS
 498
 499     if ![ld_compile "$CC_FOR_TARGET -S $pic $NOSANITIZE_CFLAGS $NOLTO_CFLAGS" $srcdir/$subdir/$source $tmpdir/$libname.s]     {
 500         unsupported "$test"
 501         return
 502     }
 503
 504     if ![ld_assemble $as "$as_options $tmpdir/$libname.s" $tmpdir/$libname.o ]     {
 505         unsupported "$test"
 506         return
 507     }
 508
 509     set other_lib ""
 510     if ![string match "" $other] then {
 511         foreach o $other {
 512             set other_lib "$other_lib $tmpdir/$o"
 513         }
 514     }
 515
 516     if [string match "" $mapfile] then {
 517         set script_arg ""
 518     } else {
 519         set script_arg "$script $srcdir/$subdir/$mapfile"
 520     }
 521
 522     if {![ld_link $ld $tmpdir/$libname.so "$shared $tmpdir/$libname.o $other_lib $script_arg $ldargs"]}     {
 523         fail "$test"
 524         return
 525     }
 526
 527     if {![objdump_versionstuff $objdump $tmpdir/$libname.so $srcdir/$subdir/$verexp ]}     {
 528         fail "$test"
 529         return
 530     }
 531
 532     if {![objdump_dynsymstuff $objdump $tmpdir/$libname.so $srcdir/$subdir/$versymexp ]}     {
 533         fail "$test"
 534         return
 535     }
 536
 537     if [string match "" $symexp] then {
 538         if {![objdump_emptysymstuff $objdump $tmpdir/$libname.o ]}     {
 539             fail "$test"
 540             return
 541         }
 542     } else {
 543         if {![objdump_symstuff $objdump $tmpdir/$libname.o $srcdir/$subdir/$symexp ]}     {
 544             fail "$test"
 545             return
 546         }
 547     }
 548
 549     pass $test
 550
 551 }
 552
 553 proc build_executable { test source libname other mapfile verexp versymexp symexp } {
 554   build_binary "" "" $test $source $libname $other $mapfile $verexp $versymexp $symexp ""
 555 }
 556
 557 proc build_vers_lib_no_pic { test source libname other mapfile verexp versymexp symexp } {
 558   global shared
 559   # Make sure that PLT is used since PLT is expected.
 560   global PLT_CFLAGS
 561   build_binary "$shared -z notext" $PLT_CFLAGS $test $source $libname $other $mapfile $verexp $versymexp $symexp ""
 562 }
 563
 564 proc build_vers_lib_pic { test source libname other mapfile verexp versymexp symexp } {
 565   global picflag
 566   global shared
 567   build_binary $shared $picflag $test $source $libname $other $mapfile $verexp $versymexp $symexp ""
 568 }
 569
 570 proc build_vers_lib_pic_flags { test source libname other mapfile verexp versymexp symexp ldargs } {
 571   global picflag
 572   global shared
 573   build_binary $shared $picflag $test $source $libname $other $mapfile $verexp $versymexp $symexp $ldargs
 574 }
 575
 576 proc test_ldfail { test flag source execname other mapfile whyfail } {
 577     global srcdir
 578     global subdir
 579     global exec_output
 580     global host_triplet
 581     global tmpdir
 582     global as
 583     global as_options
 584     global objdump
 585     global CC_FOR_TARGET
 586     global script
 587
 588     if [string match "" $other] then {
 589         set other_lib ""
 590     } else {
 591         set other_lib $tmpdir/$other
 592     }
 593
 594     if ![ld_compile "$CC_FOR_TARGET -S $flag" $srcdir/$subdir/$source $tmpdir/$execname.s]     {
 595         unsupported "$test"
 596         return
 597     }
 598
 599     if ![ld_assemble $as "$as_options $tmpdir/$execname.s" $tmpdir/$execname.o ]     {
 600         unsupported "$test"
 601         return
 602     }
 603
 604     verbose -log "This link should fail because of $whyfail"
 605
 606     if [string match "" $mapfile] then {
 607         set script_arg ""
 608     } else {
 609         set script_arg "-Wl,$script $srcdir/$subdir/$mapfile"
 610     }
 611
 612     if {![ld_link $CC_FOR_TARGET $tmpdir/$execname "$tmpdir/$execname.o $other_lib $script_arg"]}     {
 613         pass "$test"
 614         return
 615     }
 616     fail "$test"
 617 }
 618
 619 proc test_asfail { test flag source execname whyfail } {
 620     global srcdir
 621     global subdir
 622     global tmpdir
 623     global as
 624     global CC_FOR_TARGET
 625     global NOLTO_CFLAGS
 626
 627     if ![ld_compile "$CC_FOR_TARGET -S $flag $NOLTO_CFLAGS" $srcdir/$subdir/$source $tmpdir/$execname.s]     {
 628         unsupported "$test"
 629         return
 630     }
 631
 632     verbose -log "This assemble should fail because of $whyfail"
 633     catch "exec $as -o $tmpdir/$execname.o $tmpdir/$execname.s" exec_output
 634     set exec_output [prune_warnings $exec_output]
 635     if [string match "" $exec_output] then {
 636         fail "$test"
 637         return
 638     }
 639     verbose -log "$exec_output"
 640     pass "$test"
 641 }
 642
 643 proc test_strip_vers_lib { test srclib libname verexp versymexp } {
 644     global strip
 645     global srcdir
 646     global subdir
 647     global exec_output
 648     global host_triplet
 649     global tmpdir
 650     global objdump
 651
 652     if {! [file exists $tmpdir/$srclib] } then {
 653         fail "$test ($tmpdir/$srclib does not exist)"
 654         return
 655     }
 656     verbose -log "cp $tmpdir/$srclib $tmpdir/$libname.so"
 657     exec cp $tmpdir/$srclib $tmpdir/$libname.so
 658
 659     verbose -log "$strip $tmpdir/$libname.so"
 660     catch "exec $strip $tmpdir/$libname.so" exec_output
 661     if [string match "" $exec_output] then {
 662
 663 # If strip went OK, then run the usual tests on the thing to make sure that
 664 # it is sane.
 665         if {![objdump_versionstuff $objdump $tmpdir/$libname.so $srcdir/$subdir/$verexp ]}     {
 666             fail "$test"
 667             return
 668         }
 669
 670         if {![objdump_dynsymstuff $objdump $tmpdir/$libname.so $srcdir/$subdir/$versymexp ]}     {
 671             fail "$test"
 672             return
 673         }
 674
 675     } else {
 676         verbose -log "$exec_output"
 677         fail "$test"
 678         return
 679     }
 680     pass $test
 681 }
 682
 683
 684 proc build_exec { test source execname flags solibname verexp versymexp symexp } {
 685     global srcdir
 686     global subdir
 687     global exec_output
 688     global host_triplet
 689     global tmpdir
 690     global as
 691     global as_options
 692     global objdump
 693     global CC_FOR_TARGET
 694     global NOSANITIZE_CFLAGS
 695     global NOLTO_CFLAGS
 696
 697     set shared "--shared --no-undefined-version"
 698     set script --version-script
 699
 700     # Disable LTO for these tests.
 701     set cc_cmd "$CC_FOR_TARGET -S"
 702     if {[check_lto_available]} {
 703         append cc_cmd " -fno-lto"
 704     }
 705
 706     # Disable all sanitizers and LTO.
 707     append cc_cmd " $NOSANITIZE_CFLAGS $NOLTO_CFLAGS"
 708
 709     if ![ld_compile $cc_cmd $srcdir/$subdir/$source $tmpdir/$execname.s]     {
 710         unsupported "$test"
 711         return
 712     }
 713
 714     if ![ld_assemble $as "$as_options $tmpdir/$execname.s" $tmpdir/$execname.o ]     {
 715         unsupported "$test"
 716         return
 717     }
 718
 719     if [string match "" $solibname] then {
 720         set solibname_lib ""
 721     } else {
 722         set solibname_lib $tmpdir/$solibname
 723     }
 724
 725     if {![ld_link $CC_FOR_TARGET $tmpdir/$execname "$flags $tmpdir/$execname.o $solibname_lib"]}     {
 726         fail "$test"
 727         return
 728     }
 729
 730     if [string match "" $verexp] then {
 731 #
 732 # Make sure we get nothing back.
 733 #
 734         if {![objdump_emptyverstuff $objdump $tmpdir/$execname ]}     {
 735             fail "$test"
 736             return
 737         }
 738     } else {
 739         if {![objdump_versionstuff $objdump $tmpdir/$execname $srcdir/$subdir/$verexp ]}     {
 740             fail "$test"
 741             return
 742         }
 743     }
 744
 745     if [string match "" $versymexp] then {
 746         if {![objdump_emptydynsymstuff $objdump $tmpdir/$execname ]}     {
 747             fail "$test"
 748             return
 749         }
 750     } else {
 751         if {![objdump_dynsymstuff $objdump $tmpdir/$execname $srcdir/$subdir/$versymexp ]}     {
 752             fail "$test"
 753             return
 754         }
 755     }
 756
 757     if [string match "" $symexp] then {
 758         if {![objdump_emptysymstuff $objdump $tmpdir/$execname.o ]}     {
 759             fail "$test"
 760             return
 761         }
 762     } else {
 763         if {![objdump_symstuff $objdump $tmpdir/$execname.o $srcdir/$subdir/$symexp ]}     {
 764             fail "$test"
 765             return
 766         }
 767     }
 768
 769     pass $test
 770 }
 771
 772 if { [istarget x86_64-*-linux*] \
 773      || [istarget arm*-*-*] \
 774      || ( [istarget mips*-*-linux*] && [at_least_gcc_version 4 3] ) } {
 775     # x86_64, ARM and newer MIPS toolchains do not like non-pic shared libraries
 776     set pic "yes"
 777 } else {
 778     set pic "no"
 779 }
 780
 781 #
 782 # Basic test - build a library with versioned symbols.
 783 #
 784 build_vers_lib_pic "vers1" vers1.c vers1 "" vers1.map vers1.ver vers1.dsym vers1.sym
 785
 786
 787 #
 788 # Test #2 - build a library, and link it against the library we built in step
 789 # 1.
 790 #
 791 build_vers_lib_pic "vers2" vers2.c vers2 vers1.so vers2.map vers2.ver vers2.dsym ""
 792
 793 #
 794 # Test #3 - build an executable, and link it against vers1.so.
 795 #
 796 build_exec "vers3" vers3.c vers3 "-Wl,--no-as-needed" vers1.so vers3.ver vers3.dsym ""
 797
 798 #
 799 # Test #4 - Make sure a version implicitly defined in an executable
 800 # causes a version node to be created.  Verify this both with and without
 801 # --export-dynamic.
 802 #
 803
 804 # This test fails on MIPS.  On the MIPS we must put foo in the dynamic
 805 # symbol table, which the test does not expect.
 806 setup_xfail "mips*-*-irix*"
 807 build_exec "vers4" vers4.c vers4 "" "" "" "" vers4.sym
 808
 809 build_exec "vers4a" vers4.c vers4a "-Wl,-export-dynamic" "" vers4a.ver vers4a.dsym vers4a.sym
 810
 811 # Verify that --no-export-dynamic undoes the effect of --export-dynamic.
 812 setup_xfail "mips*-*-irix*"
 813 build_exec "vers4b" vers4.c vers4b "-Wl,-export-dynamic -Wl,--no-export-dynamic" "" "" "" vers4.sym
 814
 815
 816 #
 817 # Try multiple definitions foo@BAR and foo@@BAR and make sure the linker
 818 # complains.
 819 #
 820 test_ldfail "vers5" "" vers5.c vers5 "" "" "multiple definition of foo@VERS_1.2"
 821
 822 #
 823 #
 824 # Now build a test that should reference a bunch of versioned symbols.
 825 # All of them should be correctly referenced.
 826 #
 827 build_exec "vers6" vers6.c vers6 "-Wl,--no-as-needed" vers1.so vers6.ver vers6.dsym vers6.sym
 828
 829 #
 830 # Another test to verify that something made local via 'local' is truly not
 831 # accessible.
 832 #
 833 if [string match "yes" $pic] then {
 834     xfail "vers7a"
 835     xfail "vers7"
 836 } else {
 837     build_vers_lib_no_pic "vers7a" vers7a.c vers7a "" vers7.map vers7a.ver vers7a.dsym vers7a.sym
 838
 839     test_ldfail "vers7" "" vers7.c vers7 vers7a.so "" "undefined reference to hide_a"
 840 }
 841
 842
 843 #
 844 # This test is designed to verify that we can pass a linker script on the
 845 # command line as if it were a normal .o file.
 846 #
 847 catch "exec cp $srcdir/$subdir/vers8.map $tmpdir/" ignore_output
 848 build_vers_lib_pic "vers8" vers1.c vers8 vers8.map "" vers8.ver vers1.dsym vers1.sym
 849
 850 #
 851 # This test tries to make sure that version references to versioned symbols
 852 # don't collide with default definitions with the same symbol.
 853 #
 854 build_exec "vers9" vers9.c vers9 "-Wl,-export-dynamic" "" vers9.ver vers9.dsym vers9.sym
 855
 856
 857 #
 858 # Try and use a non-existant version node.  The linker should fail with
 859 # an error message.
 860 #
 861 test_ldfail "vers10" "-DDO_TEST10" vers1.c vers10 "" "vers1.map --shared" "invalid version"
 862
 863 #
 864 # Try and some things the assembler should complain about.
 865 #
 866 test_asfail "vers11" "-DDO_TEST11" vers1.c vers11 "no @ in symver"
 867
 868 test_asfail "vers12" "-DDO_TEST12" vers1.c vers12 "extern version definition"
 869
 870 #
 871 # Put a shared library in an archive library, and make sure the global
 872 # archive symbol table is sane.
 873 #
 874 test_ar "ar with versioned solib" vers13.a vers1.so vers13.asym
 875
 876 #
 877 # Strip a shared library, and make sure we didn't screw something up in there.
 878 #
 879 test_strip_vers_lib "vers14" vers1.so vers14 vers1.ver vers1.dsym
 880
 881
 882 #
 883 # Build another test with some versioned symbols.  Here we are going to
 884 # try and override something from the library, and we shouldn't get
 885 # any errors.
 886 #
 887 build_exec "vers15" vers15.c vers15 "-Wl,--no-as-needed" vers1.so vers15.ver vers15.dsym vers15.sym
 888
 889 #
 890 # Test that when we override a versioned symbol from the library this
 891 # symbol appears in the dynamic symbol table of the executable.
 892 #
 893 build_vers_lib_pic "vers16a" vers16a.c vers16a "" vers16.map vers16a.ver vers16a.dsym ""
 894 build_exec "vers16" vers16.c vers16 "-Wl,--no-as-needed" vers16a.so "" vers16.dsym ""
 895
 896 # Test a weak versioned symbol.
 897 build_vers_lib_pic "vers17" vers17.c vers17 "" vers17.map vers17.ver vers17.dsym ""
 898 build_vers_lib_pic "vers18" vers18.c vers18 vers17.so vers18.map vers18.ver vers18.dsym vers18.sym
 899 build_exec "vers19" vers19.c vers19 "-Wl,--no-as-needed,-rpath,.,-rpath-link,." vers18.so vers19.ver vers19.dsym ""
 900
 901 build_vers_lib_no_pic "vers20a" vers20.c vers20a "" vers20.map vers20a.ver vers20.dsym ""
 902 if {! [file exists $tmpdir/vers20a.so] } then {
 903     fail "Building vers20a.so"
 904 } else {
 905     exec cp $tmpdir/vers20a.so $tmpdir/vers20b.so
 906     build_vers_lib_no_pic "vers20" vers20.c vers20 "vers20a.so vers20b.so" vers20.map vers20.ver vers20.dsym ""
 907 }
 908
 909 # Test .symver override.
 910 build_vers_lib_pic "vers21" vers21.c vers21 "" vers21.map vers21.ver vers21.dsym vers21.sym
 911
 912 # Test moving default definition from one DSO to another.
 913 build_vers_lib_pic "vers22a" vers22a.c vers22a "" vers22.map vers22a.ver vers22a.dsym vers22a.sym
 914 build_vers_lib_pic "vers22b" vers22b.c vers22b "" vers22.map vers22b.ver vers22b.dsym ""
 915 build_vers_lib_pic "vers22" vers22.c vers22 "vers22a.so vers22b.so" "" vers22.ver vers22.dsym ""
 916
 917 # Test versioned definitions in different files.
 918 if [string match "yes" $pic] then {
 919     xfail "vers23a"
 920     xfail "vers23b"
 921     xfail "vers23c"
 922     xfail "vers23d"
 923     xfail "vers23"
 924 } else {
 925     build_vers_lib_no_pic "vers23a" vers23a.c vers23a "" vers23a.map vers23a.ver vers23a.dsym vers23a.sym
 926     build_vers_lib_no_pic "vers23b" vers23b.c vers23b "" vers23b.map vers23b.ver vers23b.dsym ""
 927     build_vers_lib_no_pic "vers23c" vers23b.c vers23c "vers23a.so" vers23b.map vers23c.ver vers23b.dsym ""
 928     build_exec "vers23d" vers23.c vers23d "-Wl,--no-as-needed tmpdir/vers23a.so tmpdir/vers23c.so" "" vers23.ver vers23d.dsym ""
 929     build_exec "vers23" vers23.c vers23 "-Wl,--no-as-needed tmpdir/vers23a.so tmpdir/vers23b.o tmpdir/vers23b.so" "" vers23.ver vers23.dsym ""
 930 }
 931
 932 # Test .symver x,x@VERS.0
 933 set as_pic_flags ""
 934 if [istarget sparc*-*-*] {
 935   set as_pic_flags "-K PIC"
 936 }
 937 run_ld_link_tests [list "\"vers24a\"
 938                          \"-shared --version-script $srcdir/$subdir/vers24.map\" \"\"
 939                          \"$as_pic_flags $as_options\" {vers24a.c vers24b.c} { { readelf -Wrs vers24.rd } }
 940                          \"libvers24a.so\" \"-fpic\""]
 941 run_ld_link_tests [list "\"vers24b\"
 942                          \"-shared --version-script $srcdir/$subdir/vers24.map\" \"\"
 943                          \"$as_pic_flags $as_options\" {vers24b.c vers24a.c} { { readelf -Wrs vers24.rd } }
 944                          \"libvers24b.so\" \"-fpic\""]
 945 run_ld_link_tests [list "\"vers24c\"
 946                          \"-shared --version-script $srcdir/$subdir/vers24.map\" \"\"
 947                          \"$as_pic_flags $as_options\" {vers24c.c} { { readelf -Wrs vers24.rd } }
 948                          \"libvers24c.so\" \"-fpic\""]
 949
 950 # Test versioned definition vs. normal definition in different files.
 951 if [string match "yes" $pic] then {
 952     xfail "vers25a"
 953     xfail "vers25b1"
 954     xfail "vers25b2"
 955 } else {
 956     build_vers_lib_no_pic "vers25a" vers25a.c vers25a "" vers25a.map vers25a.ver vers25a.dsym ""
 957     build_vers_lib_no_pic "vers25b1" vers25b.c vers25b1 "vers25a.o vers25a.so" "" vers25b.ver vers25b.dsym ""
 958     build_vers_lib_no_pic "vers25b2" vers25b.c vers25b2 "vers25a.so vers25a.o" "" vers25b.ver vers25b.dsym ""
 959 }
 960
 961 build_vers_lib_pic "vers26a" vers26a.c vers26a "" vers26a.map vers26a.ver vers26a.dsym ""
 962 build_vers_lib_pic "vers26b1" vers26b.c vers26b1 "" "" vers26b.ver vers26b.dsym ""
 963 build_vers_lib_pic "vers26b2" vers26b.c vers26b2 "vers26a.so vers26b1.so vers26a.o" "" vers26b.ver vers26b.dsym ""
 964 if [string match "yes" $pic] then {
 965     xfail "vers26b3"
 966 } else {
 967     build_vers_lib_no_pic "vers26b3" vers26b.c vers26b3 "vers26a.so vers26b1.so vers26a.o" "" vers26b.ver vers26b.dsym ""
 968 }
 969
 970 # Test versioned definition vs. hidden definition in different files.
 971 if [string match "yes" $pic] then {
 972     xfail "vers27a"
 973     xfail "vers27b"
 974     xfail "vers27c1"
 975     xfail "vers27c2"
 976     xfail "vers27d1"
 977     xfail "vers27d2"
 978     xfail "vers27d3"
 979     xfail "vers27d4"
 980     xfail "vers27d5"
 981 } else {
 982     build_vers_lib_no_pic "vers27a" vers27a.c vers27a "" vers27a.map vers27a.ver vers27a.dsym ""
 983     build_vers_lib_no_pic "vers27b" vers27b.c vers27b "" "" vers27b.ver vers27b.dsym ""
 984     build_vers_lib_no_pic "vers27c1" vers27c.c vers27c1 "vers27b.o vers27a.so" "" vers27c.ver vers27c.dsym ""
 985     build_vers_lib_no_pic "vers27c2" vers27c.c vers27c2 "vers27a.so vers27b.o" "" vers27c.ver vers27c.dsym ""
 986     build_vers_lib_pic "vers27d1" vers27d1.c vers27d1 "" vers27a.map vers27d.ver vers27d.dsym vers27d.sym
 987     build_vers_lib_pic "vers27d2" vers27d2.c vers27d2 "" "" vers27b.ver vers27b.dsym ""
 988     build_executable "vers27d3" vers27d3.c vers27d3 "vers27b.o vers27d2.so vers27d1.so" "" vers27b.ver vers27b.dsym ""
 989     build_vers_lib_pic "vers27d4" vers27d2.c vers27d4 "vers27a.so" "" vers27d4.ver vers27d4.dsym ""
 990     build_executable "vers27d5" vers27d3.c vers27d5 "vers27d4.so vers27b.o vers27a.so" "" vers27b.ver vers27b.dsym ""
 991 }
 992
 993 # Test weak versioned definition vs. strong definition in different
 994 # files.
 995 build_vers_lib_pic "vers28a" vers28a.c vers28a "" "" vers28a.ver vers28a.dsym ""
 996 build_vers_lib_pic "vers28b" vers28b.c vers28b "" vers28b.map vers28b.ver vers28b.dsym ""
 997 build_vers_lib_pic "vers28c" vers28c.c vers28c "vers28b.so vers28a.so" "" vers28c.ver vers28c.dsym ""
 998 build_vers_lib_pic_flags "vers29" vers29.c vers29 "" "" vers29.ver vers29.dsym "" "--default-symver"
 999
1000 # Test #30 - test handling of symbol names global, local and extern in the
1001 # version script.
1002 build_vers_lib_pic "vers30" vers30.c vers30 "" vers30.map vers30.ver vers30.dsym ""
1003
1004 # Test #31 -- quoted strings in version sections.
1005 build_vers_lib_pic "vers31" vers31.c vers31 "" vers31.map vers31.ver vers31.dsym ""
1006
1007 # Test #32 -- linker --defsym
1008 build_vers_lib_pic "vers32a" vers32a.c vers32a "" vers32.map vers32a.ver vers32a.dsym ""
1009 build_vers_lib_pic_flags "vers32b" vers32b.c vers32b "vers32a.so" vers32.map vers32b.ver vers32b.dsym "" "--defsym foo=0"