ld/testsuite/ld-elfvers/vers.exp

   1 # Expect script for ld-version tests
   2 #   Copyright (C) 1997-2020 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 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 # 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 hppa*64*-*-hpux*]
  34      && ![istarget hppa*-*-linux*]
  35      && ![istarget i?86-*-sysv4*]
  36      && ![istarget i?86-*-unixware]
  37      && ![istarget i?86-*-elf*]
  38      && ![istarget i?86-*-linux*]
  39      && ![istarget i?86-*-gnu*]
  40      && ![istarget i?86-*-nacl*]
  41      && ![istarget ia64-*-elf*]
  42      && ![istarget ia64-*-linux*]
  43      && ![istarget m68k-*-linux*]
  44      && ![istarget mips*-*-irix5*]
  45      && ![istarget powerpc*-*-elf*]
  46      && ![istarget powerpc*-*-linux*]
  47      && ![istarget powerpc*-*-sysv4*]
  48      && ![istarget sparc*-*-elf]
  49      && ![istarget sparc*-*-solaris2*]
  50      && ![istarget sparc*-*-linux*]
  51      && ![istarget aarch64*-*-linux*]
  52      && ![istarget arm*-*-linux*]
  53      && ![istarget mips*-*-linux*]
  54      && ![istarget alpha*-*-linux*]
  55      && ![istarget s390*-*-linux*]
  56      && ![istarget sh\[34\]*-*-linux*]
  57      && ![istarget x86_64-*-linux*]
  58      && ![istarget x86_64-*-nacl*] } {
  59     return
  60 }
  61
  62 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
  63     return
  64 }
  65
  66 set diff diff
  67 set tmpdir tmpdir
  68 set VOBJDUMP_FLAGS --private-headers
  69 set DOBJDUMP_FLAGS --dynamic-syms
  70 set SOBJDUMP_FLAGS --syms
  71 set shared "--shared --no-undefined-version"
  72 set script --version-script
  73
  74 # Old version of GCC for MIPS default to enabling -fpic
  75 # and get confused if it is used on the command line.
  76 if { [istarget mips*-*-*] && ! [at_least_gcc_version 4 3] } then {
  77     set picflag ""
  78 } else {
  79     # Unfortunately, the gcc argument is -fpic and the cc argument is
  80     # -KPIC.  We have to try both.
  81     set picflag "-fpic"
  82     send_log "$CC $picflag\n"
  83     verbose "$CC $picflag"
  84     catch "exec $CC $picflag" exec_output
  85     send_log "$exec_output\n"
  86     verbose "--" "$exec_output"
  87     if { [string match "*illegal option*" $exec_output]
  88          || [string match "*option ignored*" $exec_output]
  89          || [string match "*unrecognized option*" $exec_output]
  90          || [string match "*passed to ld*" $exec_output] } {
  91         set picflag "-KPIC"
  92     }
  93 }
  94
  95 switch -glob $target_triplet {
  96     ia64-*-* { set as_options "-x" }
  97     sparc-*-* { set as_options "-Av9a" }
  98     default { set as_options "" }
  99 }
 100
 101 proc test_ar { test lib object expect } {
 102     global ar
 103     global nm
 104     global tmpdir
 105     global srcdir
 106     global subdir
 107     global diff
 108
 109     verbose -log "$ar -cr $tmpdir/$lib $tmpdir/$object"
 110     catch "exec $ar -cr $tmpdir/$lib $tmpdir/$object" exec_output
 111     set exec_output [prune_warnings $exec_output]
 112     if ![string match "" $exec_output] {
 113         verbose -log "$exec_output"
 114         unresolved "$test"
 115         return
 116     }
 117
 118     set cmd "$nm --print-armap $tmpdir/$lib | grep \\\ in\\\  | egrep VERS\\\|bar\\\|foo | grep -v ^\\\\. | sort > $tmpdir/nm.out"
 119     verbose -log $cmd
 120     catch "exec $cmd" exec_output
 121     if [string match "" $exec_output] then {
 122         catch "exec sort $srcdir/$subdir/$expect | $diff $tmpdir/nm.out -" exec_output
 123         set exec_output [prune_warnings $exec_output]
 124         if [string match "" $exec_output] then {
 125             pass $test
 126             return
 127         } else {
 128             verbose -log "$exec_output"
 129             fail "$test"
 130             return
 131         }
 132     } else {
 133         verbose -log "$exec_output"
 134         fail "$test"
 135     }
 136 }
 137
 138 #
 139 # objdump_emptysymstuff
 140 #       Check non-dynamic symbols and make sure there are none with '@'.
 141 #
 142 proc objdump_emptysymstuff { objdump object } {
 143     global SOBJDUMP_FLAGS
 144     global version_output
 145     global diff
 146
 147     if ![info exists SOBJDUMP_FLAGS] { set SOBJDUMP_FLAGS "" }
 148
 149     verbose -log "$objdump $SOBJDUMP_FLAGS $object | sed -n /\@/p"
 150
 151     catch "exec $objdump $SOBJDUMP_FLAGS $object | sed -n /\@/p" exec_output
 152     set exec_output [prune_warnings $exec_output]
 153     if [string match "" $exec_output] then {
 154 # We shouldn't get anything here.
 155         return 1
 156     } else {
 157 # it is not normal to come here - we have no output to compare.
 158         verbose -log "$exec_output"
 159         verbose -log "objdump_emptysymstuff: did not expect any output from objdump"
 160         return 0
 161     }
 162
 163 }
 164
 165 #
 166 # objdump_emptydynsymstuff
 167 #       Check dynamic symbols and make sure there are none with '@'.
 168 #
 169 proc objdump_emptydynsymstuff { objdump object } {
 170     global DOBJDUMP_FLAGS
 171     global version_output
 172     global diff
 173
 174     if ![info exists VOBJDUMP_FLAGS] { set VOBJDUMP_FLAGS "" }
 175
 176     verbose -log "$objdump $DOBJDUMP_FLAGS $object | sed -n /VERS/p\\\;/show/p"
 177
 178     catch "exec $objdump $DOBJDUMP_FLAGS $object | sed -n /VERS/p\\\;/show/p" exec_output
 179     set exec_output [prune_warnings $exec_output]
 180     if [string match "" $exec_output] then {
 181 # We shouldn't get anything here.
 182         return 1
 183     } else { if [string match "*objdump: *: not a dynamic object" $exec_output] then {
 184         return 1
 185     } else {
 186 # it is not normal to come here - we have no output to compare.
 187         verbose -log "$exec_output"
 188         verbose -log "objdump_emptydynsymstuff: did not expect any output from objdump"
 189         return 0
 190     } }
 191 }
 192
 193 #
 194 # objdump_emptyverstuff
 195 #       Make sure there is no version information
 196 #
 197 proc objdump_emptyverstuff { objdump object } {
 198     global VOBJDUMP_FLAGS
 199     global version_output
 200     global diff
 201     global tmpdir
 202
 203     if {[which $objdump] == 0} then {
 204         perror "$objdump does not exist"
 205         return 0
 206     }
 207
 208     if ![info exists VOBJDUMP_FLAGS] { set VOBJDUMP_FLAGS "" }
 209
 210     verbose -log "$objdump $VOBJDUMP_FLAGS $object | sed -n /Version/,\\\$p > $tmpdir/objdump.out"
 211
 212     catch "exec $objdump $VOBJDUMP_FLAGS $object | sed -n /Version/,\\\$p" exec_output
 213     set exec_output [prune_warnings $exec_output]
 214     if [string match "" $exec_output] then {
 215 # it is normal to fail here - we have no output to compare.
 216         return 1
 217     } else { if { [string match "*libc*" $exec_output] } then {
 218 # this probably means that there is version information in libc, so we
 219 # can't really perform this test.
 220         return 1
 221     } else {
 222         verbose -log "$exec_output"
 223         verbose -log "objdump_emptyverstuff: did not expect any output from objdump"
 224         return 0
 225     } }
 226
 227 }
 228
 229 #
 230 # objdump_symstuff
 231 #       Dump non-dynamic symbol stuff and make sure that it is sane.
 232 #
 233 proc objdump_symstuff { objdump object expectfile } {
 234     global SOBJDUMP_FLAGS
 235     global version_output
 236     global diff
 237     global tmpdir
 238
 239     if ![info exists SOBJDUMP_FLAGS] { set SOBJDUMP_FLAGS "" }
 240
 241     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"
 242     verbose -log $cmd
 243     catch "exec $cmd" exec_output
 244     set exec_output [prune_warnings $exec_output]
 245     if [string match "" $exec_output] then {
 246
 247 # Now do a line-by-line comparison to effectively diff the darned things
 248 # The stuff coming from the expectfile is actually a regex, so we can
 249 # skip over the actual addresses and so forth.  This is currently very
 250 # simpleminded - it expects a one-to-one correspondence in terms of line
 251 # numbers.
 252
 253         if [file exists $expectfile] then {
 254             set file_a [open $expectfile r]
 255         } else {
 256             perror "$expectfile doesn't exist"
 257             return 0
 258         }
 259
 260         if [file exists $tmpdir/objdump.out] then {
 261             set file_b [open $tmpdir/objdump.out r]
 262         } else {
 263             perror "$tmpdir/objdump.out doesn't exist"
 264             return 0
 265         }
 266
 267         verbose "# Diff'ing: $expectfile $tmpdir/objdump.out" 2
 268
 269         set eof -1
 270         set differences 0
 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 $i]
 294
 295
 296             verbose "\t$expectfile: $i: $line_a" 3
 297             verbose "\t/tmp/objdump.out: $i: $line_b" 3
 298             if [regexp $line_a $line_b] then {
 299                 continue
 300             } else {
 301                 verbose -log "\t$expectfile: $i: $line_a"
 302                 verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
 303
 304                 return 0
 305             }
 306         }
 307
 308         if { [llength $list_a] != [llength $list_b] } {
 309             verbose -log "Line count"
 310             return 0
 311         }
 312
 313         if $differences<1 then {
 314             return 1
 315         }
 316
 317         return 0
 318     } else {
 319         verbose -log "$exec_output"
 320         return 0
 321     }
 322
 323 }
 324
 325 #
 326 # objdump_dymsymstuff
 327 #       Dump dynamic symbol stuff and make sure that it is sane.
 328 #
 329 proc objdump_dynsymstuff { objdump object expectfile } {
 330     global DOBJDUMP_FLAGS
 331     global version_output
 332     global diff
 333     global tmpdir
 334
 335     if ![info exists DOBJDUMP_FLAGS] { set DOBJDUMP_FLAGS "" }
 336
 337     set cmd "$objdump $DOBJDUMP_FLAGS $object | sed -n /VERS/p\\\;/show/p | sort | uniq > $tmpdir/objdump.out"
 338     verbose -log $cmd
 339     catch "exec $cmd" exec_output
 340     set exec_output [prune_warnings $exec_output]
 341     if [string match "" $exec_output] then {
 342
 343 # Now do a line-by-line comparison to effectively diff the darned things
 344 # The stuff coming from the expectfile is actually a regex, so we can
 345 # skip over the actual addresses and so forth.  This is currently very
 346 # simpleminded - it expects a one-to-one correspondence in terms of line
 347 # numbers.
 348
 349         if [file exists $expectfile] then {
 350             set file_a [open $expectfile r]
 351         } else {
 352             warning "$expectfile doesn't exist"
 353             return 0
 354         }
 355
 356         if [file exists $tmpdir/objdump.out] then {
 357             set file_b [open $tmpdir/objdump.out r]
 358         } else {
 359             fail "$tmpdir/objdump.out doesn't exist"
 360             return 0
 361         }
 362
 363         verbose "# Diff'ing: $expectfile $tmpdir/objdump.out" 2
 364
 365         set eof -1
 366         set differences 0
 367
 368         while { [gets $file_a line] != $eof } {
 369             if [regexp "^#.*$" $line] then {
 370                 continue
 371             } else {
 372                 lappend list_a $line
 373             }
 374         }
 375         close $file_a
 376
 377         while { [gets $file_b line] != $eof } {
 378             if [regexp {\.text.* \.[^ ]*$} $line] then {
 379                 # Discard defined powerpc64 dot-symbols
 380                 continue
 381             } else {
 382                 lappend list_b $line
 383             }
 384         }
 385         close $file_b
 386
 387         # Support empty files.
 388         if { ![info exists list_a] } then {
 389             if { ![info exists list_b] } then {
 390                 return 1
 391             }
 392             verbose -log "\t$tmpdir/objdump.out: $list_b"
 393             return 0
 394         }
 395
 396         for { set i 0 } { $i < [llength $list_b] } { incr i } {
 397             set line_b [lindex $list_b $i]
 398
 399 # The tests are rigged so that we should never export a symbol with the
 400 # word 'hide' in it.  Thus we just search for it, and bail if we find it.
 401             if [regexp "hide" $line_b] then {
 402                 verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
 403
 404                 return 0
 405             }
 406
 407             verbose "\t$expectfile: $i: $line_b" 3
 408
 409             # We can't assume that the sort is consistent across
 410             # systems, so we must check each regexp.  When we find a
 411             # regexp, we null it out, so we don't match it twice.
 412             for { set j 0 } { $j < [llength $list_a] } { incr j } {
 413                 set line_a [lindex $list_a $j]
 414
 415                 if [regexp $line_a $line_b] then {
 416                     lreplace $list_a $j $j "CAN NOT MATCH"
 417                     break
 418                 }
 419             }
 420
 421             if { $j >= [llength $list_a] } {
 422                 verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
 423
 424                 return 0
 425             }
 426         }
 427
 428         if { [llength $list_a] != [llength $list_b] } {
 429             verbose -log "Line count"
 430             return 0
 431         }
 432
 433         if $differences<1 then {
 434             return 1
 435         }
 436
 437         return 0
 438     } else {
 439         verbose -log "$exec_output"
 440         return 0
 441     }
 442
 443 }
 444
 445 #
 446 # objdump_versionstuff
 447 #       Dump version definitions/references and make sure that it is sane.
 448 #
 449 proc objdump_versionstuff { objdump object expectfile } {
 450     global VOBJDUMP_FLAGS
 451     global version_output
 452     global diff
 453     global tmpdir
 454
 455     if {[which $objdump] == 0} then {
 456         perror "$objdump does not exist"
 457         return 0
 458     }
 459
 460     if ![info exists VOBJDUMP_FLAGS] { set VOBJDUMP_FLAGS "" }
 461
 462     verbose -log "$objdump $VOBJDUMP_FLAGS $object | sed -n /Version/,\\\$p > $tmpdir/objdump.out"
 463
 464     catch "exec $objdump $VOBJDUMP_FLAGS $object | sed -n /Version/,\\\$p > $tmpdir/objdump.out" exec_output
 465     set exec_output [prune_warnings $exec_output]
 466     if [string match "" $exec_output] then {
 467
 468         # It's OK if there are extra lines in the actual output; they
 469         # may come from version information in libc.  We require that
 470         # every line in EXPECTFILE appear in the output in any order.
 471
 472         set f2 [open $expectfile r]
 473         while { [gets $f2 l2] != -1 } {
 474             if { ![regexp "^#.*$" $l2] } then {
 475                 set f1 [open $tmpdir/objdump.out r]
 476                 while { [gets $f1 l1] != -1 } {
 477                     if { [string match $l2 $l1] } then {
 478                         break
 479                     }
 480                 }
 481                 close $f1
 482
 483                 if { ![string match $l2 $l1] } then {
 484                     verbose -log "Did not find \"$l2\""
 485                     set f1 [open $tmpdir/objdump.out r]
 486                     while { [gets $f1 l1] != -1 } {
 487                         verbose -log $l1
 488                     }
 489                     close $f1
 490                     close $f2
 491                     return 0
 492                 }
 493             }
 494         }
 495         close $f2
 496         return 1
 497     } else {
 498         verbose -log "$exec_output"
 499         return 0
 500     }
 501 }
 502
 503 proc build_binary { shared pic test source libname other mapfile verexp versymexp symexp ldargs } {
 504     global ld
 505     global srcdir
 506     global subdir
 507     global exec_output
 508     global host_triplet
 509     global tmpdir
 510     global as
 511     global as_options
 512     global objdump
 513     global CC
 514     global CFLAGS
 515     global script
 516
 517     if ![ld_compile "$CC -S $pic $CFLAGS" $srcdir/$subdir/$source $tmpdir/$libname.s]     {
 518         unresolved "$test"
 519         return
 520     }
 521
 522     if ![ld_assemble $as "$as_options $tmpdir/$libname.s" $tmpdir/$libname.o ]     {
 523         unresolved "$test"
 524         return
 525     }
 526
 527     set other_lib ""
 528     if ![string match "" $other] then {
 529         foreach o $other {
 530             set other_lib "$other_lib $tmpdir/$o"
 531         }
 532     }
 533
 534     if [string match "" $mapfile] then {
 535         set script_arg ""
 536     } else {
 537         set script_arg "$script $srcdir/$subdir/$mapfile"
 538     }
 539
 540     if {![ld_link $ld $tmpdir/$libname.so "$shared $tmpdir/$libname.o $other_lib $script_arg $ldargs"]}     {
 541         fail "$test"
 542         return
 543     }
 544
 545     if {![objdump_versionstuff $objdump $tmpdir/$libname.so $srcdir/$subdir/$verexp ]}     {
 546         fail "$test"
 547         return
 548     }
 549
 550     if {![objdump_dynsymstuff $objdump $tmpdir/$libname.so $srcdir/$subdir/$versymexp ]}     {
 551         fail "$test"
 552         return
 553     }
 554
 555     if [string match "" $symexp] then {
 556         if {![objdump_emptysymstuff $objdump $tmpdir/$libname.o ]}     {
 557             fail "$test"
 558             return
 559         }
 560     } else {
 561         if {![objdump_symstuff $objdump $tmpdir/$libname.o $srcdir/$subdir/$symexp ]}     {
 562             fail "$test"
 563             return
 564         }
 565     }
 566
 567     pass $test
 568
 569 }
 570
 571 proc build_executable { test source libname other mapfile verexp versymexp symexp } {
 572   build_binary "" "" $test $source $libname $other $mapfile $verexp $versymexp $symexp ""
 573 }
 574
 575 proc build_vers_lib_no_pic { test source libname other mapfile verexp versymexp symexp } {
 576   global shared
 577   # Make sure that PLT is used since PLT is expected.
 578   global PLT_CFLAGS
 579   build_binary $shared $PLT_CFLAGS $test $source $libname $other $mapfile $verexp $versymexp $symexp ""
 580 }
 581
 582 proc build_vers_lib_pic { test source libname other mapfile verexp versymexp symexp } {
 583   global picflag
 584   global shared
 585   build_binary $shared $picflag $test $source $libname $other $mapfile $verexp $versymexp $symexp ""
 586 }
 587
 588 proc build_vers_lib_pic_flags { test source libname other mapfile verexp versymexp symexp ldargs } {
 589   global picflag
 590   global shared
 591   build_binary $shared $picflag $test $source $libname $other $mapfile $verexp $versymexp $symexp $ldargs
 592 }
 593
 594 proc test_ldfail { test flag source execname other mapfile whyfail } {
 595     global srcdir
 596     global subdir
 597     global exec_output
 598     global host_triplet
 599     global tmpdir
 600     global as
 601     global as_options
 602     global objdump
 603     global CC
 604     global CFLAGS
 605     global script
 606
 607     if [string match "" $other] then {
 608         set other_lib ""
 609     } else {
 610         set other_lib $tmpdir/$other
 611     }
 612
 613     if ![ld_compile "$CC -S $flag $CFLAGS" $srcdir/$subdir/$source $tmpdir/$execname.s]     {
 614         unresolved "$test"
 615         return
 616     }
 617
 618     if ![ld_assemble $as "$as_options $tmpdir/$execname.s" $tmpdir/$execname.o ]     {
 619         unresolved "$test"
 620         return
 621     }
 622
 623     verbose -log "This link should fail because of $whyfail"
 624
 625     if [string match "" $mapfile] then {
 626         set script_arg ""
 627     } else {
 628         set script_arg "-Wl,$script $srcdir/$subdir/$mapfile"
 629     }
 630
 631     if {![ld_link $CC $tmpdir/$execname "$tmpdir/$execname.o $other_lib $script_arg"]}     {
 632         pass "$test"
 633         return
 634     }
 635     fail "$test"
 636 }
 637
 638 proc test_asfail { test flag source execname whyfail } {
 639     global srcdir
 640     global subdir
 641     global tmpdir
 642     global as
 643     global CC
 644     global CFLAGS
 645
 646     if ![ld_compile "$CC -S $flag $CFLAGS" $srcdir/$subdir/$source $tmpdir/$execname.s]     {
 647         unresolved "$test"
 648         return
 649     }
 650
 651     verbose -log "This assemble should fail because of $whyfail"
 652     catch "exec $as -o $tmpdir/$execname.o $tmpdir/$execname.s" exec_output
 653     set exec_output [prune_warnings $exec_output]
 654     if [string match "" $exec_output] then {
 655         fail "$test"
 656         return
 657     }
 658     verbose -log "$exec_output"
 659     pass "$test"
 660 }
 661
 662 proc test_strip_vers_lib { test srclib libname verexp versymexp } {
 663     global strip
 664     global srcdir
 665     global subdir
 666     global exec_output
 667     global host_triplet
 668     global tmpdir
 669     global objdump
 670
 671     if {! [file exists $tmpdir/$srclib] } then {
 672         fail "$test ($tmpdir/$srclib does not exist)"
 673         return
 674     }
 675     verbose -log "cp $tmpdir/$srclib $tmpdir/$libname.so"
 676     exec cp $tmpdir/$srclib $tmpdir/$libname.so
 677
 678     verbose -log "$strip $tmpdir/$libname.so"
 679     catch "exec $strip $tmpdir/$libname.so" exec_output
 680     if [string match "" $exec_output] then {
 681
 682 # If strip went OK, then run the usual tests on the thing to make sure that
 683 # it is sane.
 684         if {![objdump_versionstuff $objdump $tmpdir/$libname.so $srcdir/$subdir/$verexp ]}     {
 685             fail "$test"
 686             return
 687         }
 688
 689         if {![objdump_dynsymstuff $objdump $tmpdir/$libname.so $srcdir/$subdir/$versymexp ]}     {
 690             fail "$test"
 691             return
 692         }
 693
 694     } else {
 695         verbose -log "$exec_output"
 696         fail "$test"
 697         return
 698     }
 699     pass $test
 700 }
 701
 702
 703 proc build_exec { test source execname flags solibname verexp versymexp symexp } {
 704     global srcdir
 705     global subdir
 706     global exec_output
 707     global host_triplet
 708     global tmpdir
 709     global as
 710     global as_options
 711     global objdump
 712     global CC
 713     global CFLAGS
 714
 715     set shared "--shared --no-undefined-version"
 716     set script --version-script
 717     if ![ld_compile "$CC -S $CFLAGS" $srcdir/$subdir/$source $tmpdir/$execname.s]     {
 718         unresolved "$test"
 719         return
 720     }
 721
 722     if ![ld_assemble $as "$as_options $tmpdir/$execname.s" $tmpdir/$execname.o ]     {
 723         unresolved "$test"
 724         return
 725     }
 726
 727     if [string match "" $solibname] then {
 728         set solibname_lib ""
 729     } else {
 730         set solibname_lib $tmpdir/$solibname
 731     }
 732
 733     if {![ld_link $CC $tmpdir/$execname "$flags $tmpdir/$execname.o $solibname_lib"]}     {
 734         fail "$test"
 735         return
 736     }
 737
 738     if [string match "" $verexp] then {
 739 #
 740 # Make sure we get nothing back.
 741 #
 742         if {![objdump_emptyverstuff $objdump $tmpdir/$execname ]}     {
 743             fail "$test"
 744             return
 745         }
 746     } else {
 747         if {![objdump_versionstuff $objdump $tmpdir/$execname $srcdir/$subdir/$verexp ]}     {
 748             fail "$test"
 749             return
 750         }
 751     }
 752
 753     if [string match "" $versymexp] then {
 754         if {![objdump_emptydynsymstuff $objdump $tmpdir/$execname ]}     {
 755             fail "$test"
 756             return
 757         }
 758     } else {
 759         if {![objdump_dynsymstuff $objdump $tmpdir/$execname $srcdir/$subdir/$versymexp ]}     {
 760             fail "$test"
 761             return
 762         }
 763     }
 764
 765     if [string match "" $symexp] then {
 766         if {![objdump_emptysymstuff $objdump $tmpdir/$execname.o ]}     {
 767             fail "$test"
 768             return
 769         }
 770     } else {
 771         if {![objdump_symstuff $objdump $tmpdir/$execname.o $srcdir/$subdir/$symexp ]}     {
 772             fail "$test"
 773             return
 774         }
 775     }
 776
 777     pass $test
 778 }
 779
 780 if { [istarget x86_64-*-linux*] \
 781      || [istarget arm*-*-*] \
 782      || ( [istarget mips*-*-linux*] && [at_least_gcc_version 4 3] ) } {
 783     # x86_64, ARM and newer MIPS toolchains do not like non-pic shared libraries
 784     set pic "yes"
 785 } else {
 786     set pic "no"
 787 }
 788
 789 #
 790 # Basic test - build a library with versioned symbols.
 791 #
 792 build_vers_lib_pic "vers1" vers1.c vers1 "" vers1.map vers1.ver vers1.dsym vers1.sym
 793
 794
 795 #
 796 # Test #2 - build a library, and link it against the library we built in step
 797 # 1.
 798 #
 799 build_vers_lib_pic "vers2" vers2.c vers2 vers1.so vers2.map vers2.ver vers2.dsym ""
 800
 801 #
 802 # Test #3 - build an executable, and link it against vers1.so.
 803 #
 804 build_exec "vers3" vers3.c vers3 "-Wl,--no-as-needed" vers1.so vers3.ver vers3.dsym ""
 805
 806 #
 807 # Test #4 - Make sure a version implicitly defined in an executable
 808 # causes a version node to be created.  Verify this both with and without
 809 # --export-dynamic.
 810 #
 811
 812 # This test fails on MIPS.  On the MIPS we must put foo in the dynamic
 813 # symbol table, which the test does not expect.
 814 setup_xfail "mips*-*-*"
 815 build_exec "vers4" vers4.c vers4 "" "" "" "" vers4.sym
 816
 817 build_exec "vers4a" vers4.c vers4a "-Wl,-export-dynamic" "" vers4a.ver vers4a.dsym vers4a.sym
 818
 819 # Verify that --no-export-dynamic undoes the effect of --export-dynamic.
 820 setup_xfail "mips*-*-*"
 821 build_exec "vers4b" vers4.c vers4b "-Wl,-export-dynamic -Wl,--no-export-dynamic" "" "" "" vers4.sym
 822
 823
 824 #
 825 # Try multiple definitions foo@BAR and foo@@BAR and make sure the linker
 826 # complains.
 827 #
 828 test_ldfail "vers5" "" vers5.c vers5 "" "" "multiple definition of foo@VERS_1.2"
 829
 830 #
 831 #
 832 # Now build a test that should reference a bunch of versioned symbols.
 833 # All of them should be correctly referenced.
 834 #
 835 build_exec "vers6" vers6.c vers6 "-Wl,--no-as-needed" vers1.so vers6.ver vers6.dsym vers6.sym
 836
 837 #
 838 # Another test to verify that something made local via 'local' is truly not
 839 # accessible.
 840 #
 841 if [string match "yes" $pic] then {
 842     xfail "vers7a"
 843     xfail "vers7"
 844 } else {
 845     build_vers_lib_no_pic "vers7a" vers7a.c vers7a "" vers7.map vers7a.ver vers7a.dsym vers7a.sym
 846
 847     test_ldfail "vers7" "" vers7.c vers7 vers7a.so "" "undefined reference to hide_a"
 848 }
 849
 850
 851 #
 852 # This test is designed to verify that we can pass a linker script on the
 853 # command line as if it were a normal .o file.
 854 #
 855 catch "exec cp $srcdir/$subdir/vers8.map $tmpdir/" ignore_output
 856 build_vers_lib_pic "vers8" vers1.c vers8 vers8.map "" vers8.ver vers1.dsym vers1.sym
 857
 858 #
 859 # This test tries to make sure that version references to versioned symbols
 860 # don't collide with default definitions with the same symbol.
 861 #
 862 build_exec "vers9" vers9.c vers9 "-Wl,-export-dynamic" "" vers9.ver vers9.dsym vers9.sym
 863
 864
 865 #
 866 # Try and use a non-existant version node.  The linker should fail with
 867 # an error message.
 868 #
 869 test_ldfail "vers10" "-DDO_TEST10" vers1.c vers10 "" "vers1.map --shared" "invalid version"
 870
 871 #
 872 # Try and some things the assembler should complain about.
 873 #
 874 test_asfail "vers11" "-DDO_TEST11" vers1.c vers11 "no @ in symver"
 875
 876 test_asfail "vers12" "-DDO_TEST12" vers1.c vers12 "extern version definition"
 877
 878 #
 879 # Put a shared library in an archive library, and make sure the global
 880 # archive symbol table is sane.
 881 #
 882 test_ar "ar with versioned solib" vers13.a vers1.so vers13.asym
 883
 884 #
 885 # Strip a shared library, and make sure we didn't screw something up in there.
 886 #
 887 test_strip_vers_lib "vers14" vers1.so vers14 vers1.ver vers1.dsym
 888
 889
 890 #
 891 # Build another test with some versioned symbols.  Here we are going to
 892 # try and override something from the library, and we shouldn't get
 893 # any errors.
 894 #
 895 build_exec "vers15" vers15.c vers15 "-Wl,--no-as-needed" vers1.so vers15.ver vers15.dsym vers15.sym
 896
 897 #
 898 # Test that when we override a versioned symbol from the library this
 899 # symbol appears in the dynamic symbol table of the executable.
 900 #
 901 build_vers_lib_pic "vers16a" vers16a.c vers16a "" vers16.map vers16a.ver vers16a.dsym ""
 902 build_exec "vers16" vers16.c vers16 "-Wl,--no-as-needed" vers16a.so "" vers16.dsym ""
 903
 904 # Test a weak versioned symbol.
 905 build_vers_lib_pic "vers17" vers17.c vers17 "" vers17.map vers17.ver vers17.dsym ""
 906 build_vers_lib_pic "vers18" vers18.c vers18 vers17.so vers18.map vers18.ver vers18.dsym vers18.sym
 907 build_exec "vers19" vers19.c vers19 "-Wl,--no-as-needed,-rpath,.,-rpath-link,." vers18.so vers19.ver vers19.dsym ""
 908
 909 build_vers_lib_no_pic "vers20a" vers20.c vers20a "" vers20.map vers20a.ver vers20.dsym ""
 910 if {! [file exists $tmpdir/vers20a.so] } then {
 911     fail "Building vers20a.so"
 912 } else {
 913     exec cp $tmpdir/vers20a.so $tmpdir/vers20b.so
 914     build_vers_lib_no_pic "vers20" vers20.c vers20 "vers20a.so vers20b.so" vers20.map vers20.ver vers20.dsym ""
 915 }
 916
 917 # Test .symver override.
 918 build_vers_lib_pic "vers21" vers21.c vers21 "" vers21.map vers21.ver vers21.dsym vers21.sym
 919
 920 # Test moving default definition from one DSO to another.
 921 build_vers_lib_pic "vers22a" vers22a.c vers22a "" vers22.map vers22a.ver vers22a.dsym vers22a.sym
 922 build_vers_lib_pic "vers22b" vers22b.c vers22b "" vers22.map vers22b.ver vers22b.dsym ""
 923 build_vers_lib_pic "vers22" vers22.c vers22 "vers22a.so vers22b.so" "" vers22.ver vers22.dsym ""
 924
 925 # Test versioned definitions in different files.
 926 if [string match "yes" $pic] then {
 927     xfail "vers23a"
 928     xfail "vers23b"
 929     xfail "vers23c"
 930     xfail "vers23d"
 931     xfail "vers23"
 932 } else {
 933     build_vers_lib_no_pic "vers23a" vers23a.c vers23a "" vers23a.map vers23a.ver vers23a.dsym vers23a.sym
 934     build_vers_lib_no_pic "vers23b" vers23b.c vers23b "" vers23b.map vers23b.ver vers23b.dsym ""
 935     build_vers_lib_no_pic "vers23c" vers23b.c vers23c "vers23a.so" vers23b.map vers23c.ver vers23b.dsym ""
 936     build_exec "vers23d" vers23.c vers23d "-Wl,--no-as-needed tmpdir/vers23a.so tmpdir/vers23c.so" "" vers23.ver vers23d.dsym ""
 937     build_exec "vers23" vers23.c vers23 "-Wl,--no-as-needed tmpdir/vers23a.so tmpdir/vers23b.o tmpdir/vers23b.so" "" vers23.ver vers23.dsym ""
 938 }
 939
 940 # Test .symver x,x@VERS.0
 941 set as_pic_flags ""
 942 if [istarget sparc*-*-*] {
 943   set as_pic_flags "-K PIC"
 944 }
 945 run_ld_link_tests [list "\"vers24a\"
 946                          \"-shared --version-script $srcdir/$subdir/vers24.map\" \"\"
 947                          \"$as_pic_flags $as_options\" {vers24a.c vers24b.c} { { readelf -Wrs vers24.rd } }
 948                          \"libvers24a.so\" \"-fpic\""]
 949 run_ld_link_tests [list "\"vers24b\"
 950                          \"-shared --version-script $srcdir/$subdir/vers24.map\" \"\"
 951                          \"$as_pic_flags $as_options\" {vers24b.c vers24a.c} { { readelf -Wrs vers24.rd } }
 952                          \"libvers24b.so\" \"-fpic\""]
 953 run_ld_link_tests [list "\"vers24c\"
 954                          \"-shared --version-script $srcdir/$subdir/vers24.map\" \"\"
 955                          \"$as_pic_flags $as_options\" {vers24c.c} { { readelf -Wrs vers24.rd } }
 956                          \"libvers24c.so\" \"-fpic\""]
 957
 958 # Test versioned definition vs. normal definition in different files.
 959 if [string match "yes" $pic] then {
 960     xfail "vers25a"
 961     xfail "vers25b1"
 962     xfail "vers25b2"
 963 } else {
 964     build_vers_lib_no_pic "vers25a" vers25a.c vers25a "" vers25a.map vers25a.ver vers25a.dsym ""
 965     build_vers_lib_no_pic "vers25b1" vers25b.c vers25b1 "vers25a.o vers25a.so" "" vers25b.ver vers25b.dsym ""
 966     build_vers_lib_no_pic "vers25b2" vers25b.c vers25b2 "vers25a.so vers25a.o" "" vers25b.ver vers25b.dsym ""
 967 }
 968
 969 build_vers_lib_pic "vers26a" vers26a.c vers26a "" vers26a.map vers26a.ver vers26a.dsym ""
 970 build_vers_lib_pic "vers26b1" vers26b.c vers26b1 "" "" vers26b.ver vers26b.dsym ""
 971 build_vers_lib_pic "vers26b2" vers26b.c vers26b2 "vers26a.so vers26b1.so vers26a.o" "" vers26b.ver vers26b.dsym ""
 972 if [string match "yes" $pic] then {
 973     xfail "vers26b3"
 974 } else {
 975     build_vers_lib_no_pic "vers26b3" vers26b.c vers26b3 "vers26a.so vers26b1.so vers26a.o" "" vers26b.ver vers26b.dsym ""
 976 }
 977
 978 # Test versioned definition vs. hidden definition in different files.
 979 if [string match "yes" $pic] then {
 980     xfail "vers27a"
 981     xfail "vers27b"
 982     xfail "vers27c1"
 983     xfail "vers27c2"
 984     xfail "vers27d1"
 985     xfail "vers27d2"
 986     xfail "vers27d3"
 987     xfail "vers27d4"
 988     xfail "vers27d5"
 989 } else {
 990     build_vers_lib_no_pic "vers27a" vers27a.c vers27a "" vers27a.map vers27a.ver vers27a.dsym ""
 991     build_vers_lib_no_pic "vers27b" vers27b.c vers27b "" "" vers27b.ver vers27b.dsym ""
 992     build_vers_lib_no_pic "vers27c1" vers27c.c vers27c1 "vers27b.o vers27a.so" "" vers27c.ver vers27c.dsym ""
 993     build_vers_lib_no_pic "vers27c2" vers27c.c vers27c2 "vers27a.so vers27b.o" "" vers27c.ver vers27c.dsym ""
 994     build_vers_lib_pic "vers27d1" vers27d1.c vers27d1 "" vers27a.map vers27d.ver vers27d.dsym vers27d.sym
 995     build_vers_lib_pic "vers27d2" vers27d2.c vers27d2 "" "" vers27b.ver vers27b.dsym ""
 996     build_executable "vers27d3" vers27d3.c vers27d3 "vers27b.o vers27d2.so vers27d1.so" "" vers27b.ver vers27b.dsym ""
 997     build_vers_lib_pic "vers27d4" vers27d2.c vers27d4 "vers27a.so" "" vers27d4.ver vers27d4.dsym ""
 998     build_executable "vers27d5" vers27d3.c vers27d5 "vers27d4.so vers27b.o vers27a.so" "" vers27b.ver vers27b.dsym ""
 999 }
1000
1001 # Test weak versioned definition vs. strong definition in different
1002 # files.
1003 build_vers_lib_pic "vers28a" vers28a.c vers28a "" "" vers28a.ver vers28a.dsym ""
1004 build_vers_lib_pic "vers28b" vers28b.c vers28b "" vers28b.map vers28b.ver vers28b.dsym ""
1005 build_vers_lib_pic "vers28c" vers28c.c vers28c "vers28b.so vers28a.so" "" vers28c.ver vers28c.dsym ""
1006 build_vers_lib_pic_flags "vers29" vers29.c vers29 "" "" vers29.ver vers29.dsym "" "--default-symver"
1007
1008 # Test #30 - test handling of symbol names global, local and extern in the
1009 # version script.
1010 build_vers_lib_pic "vers30" vers30.c vers30 "" vers30.map vers30.ver vers30.dsym ""
1011
1012 # Test #31 -- quoted strings in version sections.
1013 build_vers_lib_pic "vers31" vers31.c vers31 "" vers31.map vers31.ver vers31.dsym ""
1014
1015 # Test #32 -- linker --defsym
1016 build_vers_lib_pic "vers32a" vers32a.c vers32a "" vers32.map vers32a.ver vers32a.dsym ""
1017 build_vers_lib_pic_flags "vers32b" vers32b.c vers32b "vers32a.so" vers32.map vers32b.ver vers32b.dsym "" "--defsym foo=0"