ld/testsuite/ld-elfvers/vers.exp

   1 # Expect script for ld-version tests
   2 #   Copyright (C) 1997-2021 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 ia64-*-elf*]
  41      && ![istarget ia64-*-linux*]
  42      && ![istarget m68k-*-linux*]
  43      && ![istarget mips*-*-irix5*]
  44      && ![istarget powerpc*-*-elf*]
  45      && ![istarget powerpc*-*-linux*]
  46      && ![istarget powerpc*-*-sysv4*]
  47      && ![istarget sparc*-*-elf]
  48      && ![istarget sparc*-*-solaris2*]
  49      && ![istarget sparc*-*-linux*]
  50      && ![istarget aarch64*-*-linux*]
  51      && ![istarget arm*-*-linux*]
  52      && ![istarget mips*-*-linux*]
  53      && ![istarget alpha*-*-linux*]
  54      && ![istarget s390*-*-linux*]
  55      && ![istarget sh\[34\]*-*-linux*]
  56      && ![istarget x86_64-*-linux*] } {
  57     return
  58 }
  59
  60 set diff diff
  61 set tmpdir tmpdir
  62 set VOBJDUMP_FLAGS --private-headers
  63 set DOBJDUMP_FLAGS --dynamic-syms
  64 set SOBJDUMP_FLAGS --syms
  65 set shared "--shared --no-undefined-version"
  66 set script --version-script
  67
  68 # Old version of GCC for MIPS default to enabling -fpic
  69 # and get confused if it is used on the command line.
  70 if { [istarget mips*-*-*] && ! [at_least_gcc_version 4 3] } then {
  71     set picflag ""
  72 } else {
  73     # Unfortunately, the gcc argument is -fpic and the cc argument is
  74     # -KPIC.  We have to try both.
  75     set picflag "-fpic"
  76     send_log "$CC $picflag\n"
  77     verbose "$CC $picflag"
  78     catch "exec $CC $picflag" exec_output
  79     send_log "$exec_output\n"
  80     verbose "--" "$exec_output"
  81     if { [string match "*illegal option*" $exec_output]
  82          || [string match "*option ignored*" $exec_output]
  83          || [string match "*unrecognized option*" $exec_output]
  84          || [string match "*passed to ld*" $exec_output] } {
  85         set picflag "-KPIC"
  86     }
  87 }
  88
  89 switch -glob $target_triplet {
  90     ia64-*-* { set as_options "-x" }
  91     sparc-*-* { set as_options "-Av9a" }
  92     default { set as_options "" }
  93 }
  94
  95 proc test_ar { test lib object expect } {
  96     global ar
  97     global nm
  98     global tmpdir
  99     global srcdir
 100     global subdir
 101     global diff
 102
 103     verbose -log "$ar -cr $tmpdir/$lib $tmpdir/$object"
 104     catch "exec $ar -cr $tmpdir/$lib $tmpdir/$object" exec_output
 105     set exec_output [prune_warnings $exec_output]
 106     if ![string match "" $exec_output] {
 107         verbose -log "$exec_output"
 108         unresolved "$test"
 109         return
 110     }
 111
 112     set cmd "$nm --print-armap $tmpdir/$lib | grep \\\ in\\\  | egrep VERS\\\|bar\\\|foo | grep -v ^\\\\. | sort > $tmpdir/nm.out"
 113     verbose -log $cmd
 114     catch "exec $cmd" exec_output
 115     if [string match "" $exec_output] then {
 116         catch "exec sort $srcdir/$subdir/$expect | $diff $tmpdir/nm.out -" exec_output
 117         set exec_output [prune_warnings $exec_output]
 118         if [string match "" $exec_output] then {
 119             pass $test
 120             return
 121         } else {
 122             verbose -log "$exec_output"
 123             fail "$test"
 124             return
 125         }
 126     } else {
 127         verbose -log "$exec_output"
 128         fail "$test"
 129     }
 130 }
 131
 132 #
 133 # objdump_emptysymstuff
 134 #       Check non-dynamic symbols and make sure there are none with '@'.
 135 #
 136 proc objdump_emptysymstuff { objdump object } {
 137     global SOBJDUMP_FLAGS
 138     global version_output
 139     global diff
 140
 141     if ![info exists SOBJDUMP_FLAGS] { set SOBJDUMP_FLAGS "" }
 142
 143     verbose -log "$objdump $SOBJDUMP_FLAGS $object | sed -n /\@/p"
 144
 145     catch "exec $objdump $SOBJDUMP_FLAGS $object | sed -n /\@/p" exec_output
 146     set exec_output [prune_warnings $exec_output]
 147     if [string match "" $exec_output] then {
 148 # We shouldn't get anything here.
 149         return 1
 150     } else {
 151 # it is not normal to come here - we have no output to compare.
 152         verbose -log "$exec_output"
 153         verbose -log "objdump_emptysymstuff: did not expect any output from objdump"
 154         return 0
 155     }
 156
 157 }
 158
 159 #
 160 # objdump_emptydynsymstuff
 161 #       Check dynamic symbols and make sure there are none with '@'.
 162 #
 163 proc objdump_emptydynsymstuff { objdump object } {
 164     global DOBJDUMP_FLAGS
 165     global version_output
 166     global diff
 167
 168     if ![info exists VOBJDUMP_FLAGS] { set VOBJDUMP_FLAGS "" }
 169
 170     verbose -log "$objdump $DOBJDUMP_FLAGS $object | sed -n /VERS/p\\\;/show/p"
 171
 172     catch "exec $objdump $DOBJDUMP_FLAGS $object | sed -n /VERS/p\\\;/show/p" exec_output
 173     set exec_output [prune_warnings $exec_output]
 174     if [string match "" $exec_output] then {
 175 # We shouldn't get anything here.
 176         return 1
 177     } else { if [string match "*objdump: *: not a dynamic object" $exec_output] then {
 178         return 1
 179     } else {
 180 # it is not normal to come here - we have no output to compare.
 181         verbose -log "$exec_output"
 182         verbose -log "objdump_emptydynsymstuff: did not expect any output from objdump"
 183         return 0
 184     } }
 185 }
 186
 187 #
 188 # objdump_emptyverstuff
 189 #       Make sure there is no version information
 190 #
 191 proc objdump_emptyverstuff { objdump object } {
 192     global VOBJDUMP_FLAGS
 193     global version_output
 194     global diff
 195     global tmpdir
 196
 197     if {[which $objdump] == 0} then {
 198         perror "$objdump does not exist"
 199         return 0
 200     }
 201
 202     if ![info exists VOBJDUMP_FLAGS] { set VOBJDUMP_FLAGS "" }
 203
 204     verbose -log "$objdump $VOBJDUMP_FLAGS $object | sed -n /Version/,\\\$p > $tmpdir/objdump.out"
 205
 206     catch "exec $objdump $VOBJDUMP_FLAGS $object | sed -n /Version/,\\\$p" exec_output
 207     set exec_output [prune_warnings $exec_output]
 208     if [string match "" $exec_output] then {
 209 # it is normal to fail here - we have no output to compare.
 210         return 1
 211     } else { if { [string match "*libc*" $exec_output] } then {
 212 # this probably means that there is version information in libc, so we
 213 # can't really perform this test.
 214         return 1
 215     } else {
 216         verbose -log "$exec_output"
 217         verbose -log "objdump_emptyverstuff: did not expect any output from objdump"
 218         return 0
 219     } }
 220
 221 }
 222
 223 #
 224 # objdump_symstuff
 225 #       Dump non-dynamic symbol stuff and make sure that it is sane.
 226 #
 227 proc objdump_symstuff { objdump object expectfile } {
 228     global SOBJDUMP_FLAGS
 229     global version_output
 230     global diff
 231     global tmpdir
 232
 233     if ![info exists SOBJDUMP_FLAGS] { set SOBJDUMP_FLAGS "" }
 234
 235     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"
 236     verbose -log $cmd
 237     catch "exec $cmd" exec_output
 238     set exec_output [prune_warnings $exec_output]
 239     if [string match "" $exec_output] then {
 240
 241 # Now do a line-by-line comparison to effectively diff the darned things
 242 # The stuff coming from the expectfile is actually a regex, so we can
 243 # skip over the actual addresses and so forth.  This is currently very
 244 # simpleminded - it expects a one-to-one correspondence in terms of line
 245 # numbers.
 246
 247         if [file exists $expectfile] then {
 248             set file_a [open $expectfile r]
 249         } else {
 250             perror "$expectfile doesn't exist"
 251             return 0
 252         }
 253
 254         if [file exists $tmpdir/objdump.out] then {
 255             set file_b [open $tmpdir/objdump.out r]
 256         } else {
 257             perror "$tmpdir/objdump.out doesn't exist"
 258             return 0
 259         }
 260
 261         verbose "# Diff'ing: $expectfile $tmpdir/objdump.out" 2
 262
 263         set eof -1
 264         set list_a {}
 265         set list_b {}
 266
 267         while { [gets $file_a line] != $eof } {
 268             if [regexp "^#.*$" $line] then {
 269                 continue
 270             } else {
 271                 lappend list_a $line
 272             }
 273         }
 274         close $file_a
 275
 276         while { [gets $file_b line] != $eof } {
 277             if [regexp {\.text.* \.[^ ]*$} $line] then {
 278                 # Discard defined powerpc64 dot-symbols
 279                 continue
 280             } else {
 281                 lappend list_b $line
 282             }
 283         }
 284         close $file_b
 285
 286         for { set i 0 } { $i < [llength $list_a] } { incr i } {
 287             set line_a [lindex $list_a $i]
 288             set line_b [lindex $list_b $i]
 289
 290             verbose "\t$expectfile: $i: $line_a" 3
 291             verbose "\t/tmp/objdump.out: $i: $line_b" 3
 292             if [regexp $line_a $line_b] then {
 293                 continue
 294             } else {
 295                 verbose -log "\t$expectfile: $i: $line_a"
 296                 verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
 297
 298                 return 0
 299             }
 300         }
 301
 302         if { [llength $list_a] != [llength $list_b] } {
 303             verbose -log "Line count"
 304             return 0
 305         }
 306         return 1
 307
 308     } else {
 309         verbose -log "$exec_output"
 310         return 0
 311     }
 312 }
 313
 314 #
 315 # objdump_dymsymstuff
 316 #       Dump dynamic symbol stuff and make sure that it is sane.
 317 #
 318 proc objdump_dynsymstuff { objdump object expectfile } {
 319     global DOBJDUMP_FLAGS
 320     global version_output
 321     global diff
 322     global tmpdir
 323
 324     if ![info exists DOBJDUMP_FLAGS] { set DOBJDUMP_FLAGS "" }
 325
 326     set cmd "$objdump $DOBJDUMP_FLAGS $object | sed -n /VERS/p\\\;/show/p | sort | uniq > $tmpdir/objdump.out"
 327     verbose -log $cmd
 328     catch "exec $cmd" exec_output
 329     set exec_output [prune_warnings $exec_output]
 330     if [string match "" $exec_output] then {
 331
 332 # Now do a line-by-line comparison to effectively diff the darned things
 333 # The stuff coming from the expectfile is actually a regex, so we can
 334 # skip over the actual addresses and so forth.  This is currently very
 335 # simpleminded - it expects a one-to-one correspondence in terms of line
 336 # numbers.
 337
 338         if [file exists $expectfile] then {
 339             set file_a [open $expectfile r]
 340         } else {
 341             warning "$expectfile doesn't exist"
 342             return 0
 343         }
 344
 345         if [file exists $tmpdir/objdump.out] then {
 346             set file_b [open $tmpdir/objdump.out r]
 347         } else {
 348             fail "$tmpdir/objdump.out doesn't exist"
 349             return 0
 350         }
 351
 352         verbose "# Diff'ing: $expectfile $tmpdir/objdump.out" 2
 353
 354         set eof -1
 355         set list_a {}
 356         set list_b {}
 357
 358         while { [gets $file_a line] != $eof } {
 359             if [regexp "^#.*$" $line] then {
 360                 continue
 361             } else {
 362                 lappend list_a $line
 363             }
 364         }
 365         close $file_a
 366
 367         while { [gets $file_b line] != $eof } {
 368             if [regexp {\.text.* \.[^ ]*$} $line] then {
 369                 # Discard defined powerpc64 dot-symbols
 370                 continue
 371             } else {
 372                 lappend list_b $line
 373             }
 374         }
 375         close $file_b
 376
 377         for { set i 0 } { $i < [llength $list_b] } { incr i } {
 378             set line_b [lindex $list_b $i]
 379
 380 # The tests are rigged so that we should never export a symbol with the
 381 # word 'hide' in it.  Thus we just search for it, and bail if we find it.
 382             if [regexp "hide" $line_b] then {
 383                 verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
 384
 385                 return 0
 386             }
 387
 388             verbose "\t$expectfile: $i: $line_b" 3
 389
 390             # We can't assume that the sort is consistent across
 391             # systems, so we must check each regexp.  When we find a
 392             # regexp, we null it out, so we don't match it twice.
 393             for { set j 0 } { $j < [llength $list_a] } { incr j } {
 394                 set line_a [lindex $list_a $j]
 395
 396                 if [regexp $line_a $line_b] then {
 397                     lreplace $list_a $j $j "CAN NOT MATCH"
 398                     break
 399                 }
 400             }
 401
 402             if { $j >= [llength $list_a] } {
 403                 verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
 404
 405                 return 0
 406             }
 407         }
 408
 409         if { [llength $list_a] != [llength $list_b] } {
 410             verbose -log "Line count"
 411             return 0
 412         }
 413         return 1
 414
 415     } else {
 416         verbose -log "$exec_output"
 417         return 0
 418     }
 419 }
 420
 421 #
 422 # objdump_versionstuff
 423 #       Dump version definitions/references and make sure that it is sane.
 424 #
 425 proc objdump_versionstuff { objdump object expectfile } {
 426     global VOBJDUMP_FLAGS
 427     global version_output
 428     global diff
 429     global tmpdir
 430
 431     if {[which $objdump] == 0} then {
 432         perror "$objdump does not exist"
 433         return 0
 434     }
 435
 436     if ![info exists VOBJDUMP_FLAGS] { set VOBJDUMP_FLAGS "" }
 437
 438     verbose -log "$objdump $VOBJDUMP_FLAGS $object | sed -n /Version/,\\\$p > $tmpdir/objdump.out"
 439
 440     catch "exec $objdump $VOBJDUMP_FLAGS $object | sed -n /Version/,\\\$p > $tmpdir/objdump.out" exec_output
 441     set exec_output [prune_warnings $exec_output]
 442     if [string match "" $exec_output] then {
 443
 444         # It's OK if there are extra lines in the actual output; they
 445         # may come from version information in libc.  We require that
 446         # every line in EXPECTFILE appear in the output in any order.
 447
 448         set f2 [open $expectfile r]
 449         while { [gets $f2 l2] != -1 } {
 450             if { ![regexp "^#.*$" $l2] } then {
 451                 set f1 [open $tmpdir/objdump.out r]
 452                 while { [gets $f1 l1] != -1 } {
 453                     if { [string match $l2 $l1] } then {
 454                         break
 455                     }
 456                 }
 457                 close $f1
 458
 459                 if { ![string match $l2 $l1] } then {
 460                     verbose -log "Did not find \"$l2\""
 461                     set f1 [open $tmpdir/objdump.out r]
 462                     while { [gets $f1 l1] != -1 } {
 463                         verbose -log $l1
 464                     }
 465                     close $f1
 466                     close $f2
 467                     return 0
 468                 }
 469             }
 470         }
 471         close $f2
 472         return 1
 473     } else {
 474         verbose -log "$exec_output"
 475         return 0
 476     }
 477 }
 478
 479 proc build_binary { shared pic test source libname other mapfile verexp versymexp symexp ldargs } {
 480     global ld
 481     global srcdir
 482     global subdir
 483     global exec_output
 484     global host_triplet
 485     global tmpdir
 486     global as
 487     global as_options
 488     global objdump
 489     global CC
 490     global CFLAGS
 491     global script
 492     global NOSANITIZE_CFLAGS
 493     global NOLTO_CFLAGS
 494
 495     if ![ld_compile "$CC -S $pic $CFLAGS $NOSANITIZE_CFLAGS $NOLTO_CFLAGS" $srcdir/$subdir/$source $tmpdir/$libname.s]     {
 496         unresolved "$test"
 497         return
 498     }
 499
 500     if ![ld_assemble $as "$as_options $tmpdir/$libname.s" $tmpdir/$libname.o ]     {
 501         unresolved "$test"
 502         return
 503     }
 504
 505     set other_lib ""
 506     if ![string match "" $other] then {
 507         foreach o $other {
 508             set other_lib "$other_lib $tmpdir/$o"
 509         }
 510     }
 511
 512     if [string match "" $mapfile] then {
 513         set script_arg ""
 514     } else {
 515         set script_arg "$script $srcdir/$subdir/$mapfile"
 516     }
 517
 518     if {![ld_link $ld $tmpdir/$libname.so "$shared $tmpdir/$libname.o $other_lib $script_arg $ldargs"]}     {
 519         fail "$test"
 520         return
 521     }
 522
 523     if {![objdump_versionstuff $objdump $tmpdir/$libname.so $srcdir/$subdir/$verexp ]}     {
 524         fail "$test"
 525         return
 526     }
 527
 528     if {![objdump_dynsymstuff $objdump $tmpdir/$libname.so $srcdir/$subdir/$versymexp ]}     {
 529         fail "$test"
 530         return
 531     }
 532
 533     if [string match "" $symexp] then {
 534         if {![objdump_emptysymstuff $objdump $tmpdir/$libname.o ]}     {
 535             fail "$test"
 536             return
 537         }
 538     } else {
 539         if {![objdump_symstuff $objdump $tmpdir/$libname.o $srcdir/$subdir/$symexp ]}     {
 540             fail "$test"
 541             return
 542         }
 543     }
 544
 545     pass $test
 546
 547 }
 548
 549 proc build_executable { test source libname other mapfile verexp versymexp symexp } {
 550   build_binary "" "" $test $source $libname $other $mapfile $verexp $versymexp $symexp ""
 551 }
 552
 553 proc build_vers_lib_no_pic { test source libname other mapfile verexp versymexp symexp } {
 554   global shared
 555   # Make sure that PLT is used since PLT is expected.
 556   global PLT_CFLAGS
 557   build_binary "$shared -z notext" $PLT_CFLAGS $test $source $libname $other $mapfile $verexp $versymexp $symexp ""
 558 }
 559
 560 proc build_vers_lib_pic { test source libname other mapfile verexp versymexp symexp } {
 561   global picflag
 562   global shared
 563   build_binary $shared $picflag $test $source $libname $other $mapfile $verexp $versymexp $symexp ""
 564 }
 565
 566 proc build_vers_lib_pic_flags { test source libname other mapfile verexp versymexp symexp ldargs } {
 567   global picflag
 568   global shared
 569   build_binary $shared $picflag $test $source $libname $other $mapfile $verexp $versymexp $symexp $ldargs
 570 }
 571
 572 proc test_ldfail { test flag source execname other mapfile whyfail } {
 573     global srcdir
 574     global subdir
 575     global exec_output
 576     global host_triplet
 577     global tmpdir
 578     global as
 579     global as_options
 580     global objdump
 581     global CC
 582     global CFLAGS
 583     global script
 584
 585     if [string match "" $other] then {
 586         set other_lib ""
 587     } else {
 588         set other_lib $tmpdir/$other
 589     }
 590
 591     if ![ld_compile "$CC -S $flag $CFLAGS" $srcdir/$subdir/$source $tmpdir/$execname.s]     {
 592         unresolved "$test"
 593         return
 594     }
 595
 596     if ![ld_assemble $as "$as_options $tmpdir/$execname.s" $tmpdir/$execname.o ]     {
 597         unresolved "$test"
 598         return
 599     }
 600
 601     verbose -log "This link should fail because of $whyfail"
 602
 603     if [string match "" $mapfile] then {
 604         set script_arg ""
 605     } else {
 606         set script_arg "-Wl,$script $srcdir/$subdir/$mapfile"
 607     }
 608
 609     if {![ld_link $CC $tmpdir/$execname "$tmpdir/$execname.o $other_lib $script_arg"]}     {
 610         pass "$test"
 611         return
 612     }
 613     fail "$test"
 614 }
 615
 616 proc test_asfail { test flag source execname whyfail } {
 617     global srcdir
 618     global subdir
 619     global tmpdir
 620     global as
 621     global CC
 622     global CFLAGS
 623     global NOLTO_CFLAGS
 624
 625     if ![ld_compile "$CC -S $flag $CFLAGS $NOLTO_CFLAGS" $srcdir/$subdir/$source $tmpdir/$execname.s]     {
 626         unresolved "$test"
 627         return
 628     }
 629
 630     verbose -log "This assemble should fail because of $whyfail"
 631     catch "exec $as -o $tmpdir/$execname.o $tmpdir/$execname.s" exec_output
 632     set exec_output [prune_warnings $exec_output]
 633     if [string match "" $exec_output] then {
 634         fail "$test"
 635         return
 636     }
 637     verbose -log "$exec_output"
 638     pass "$test"
 639 }
 640
 641 proc test_strip_vers_lib { test srclib libname verexp versymexp } {
 642     global strip
 643     global srcdir
 644     global subdir
 645     global exec_output
 646     global host_triplet
 647     global tmpdir
 648     global objdump
 649
 650     if {! [file exists $tmpdir/$srclib] } then {
 651         fail "$test ($tmpdir/$srclib does not exist)"
 652         return
 653     }
 654     verbose -log "cp $tmpdir/$srclib $tmpdir/$libname.so"
 655     exec cp $tmpdir/$srclib $tmpdir/$libname.so
 656
 657     verbose -log "$strip $tmpdir/$libname.so"
 658     catch "exec $strip $tmpdir/$libname.so" exec_output
 659     if [string match "" $exec_output] then {
 660
 661 # If strip went OK, then run the usual tests on the thing to make sure that
 662 # it is sane.
 663         if {![objdump_versionstuff $objdump $tmpdir/$libname.so $srcdir/$subdir/$verexp ]}     {
 664             fail "$test"
 665             return
 666         }
 667
 668         if {![objdump_dynsymstuff $objdump $tmpdir/$libname.so $srcdir/$subdir/$versymexp ]}     {
 669             fail "$test"
 670             return
 671         }
 672
 673     } else {
 674         verbose -log "$exec_output"
 675         fail "$test"
 676         return
 677     }
 678     pass $test
 679 }
 680
 681
 682 proc build_exec { test source execname flags solibname verexp versymexp symexp } {
 683     global srcdir
 684     global subdir
 685     global exec_output
 686     global host_triplet
 687     global tmpdir
 688     global as
 689     global as_options
 690     global objdump
 691     global CC
 692     global CFLAGS
 693     global NOSANITIZE_CFLAGS
 694     global NOLTO_CFLAGS
 695
 696     set shared "--shared --no-undefined-version"
 697     set script --version-script
 698
 699     # Disable LTO for these tests.
 700     set cc_cmd "$CC -S $CFLAGS"
 701     if {[check_lto_available]} {
 702         append cc_cmd " -fno-lto"
 703     }
 704
 705     # Disable all sanitizers and LTO.
 706     append cc_cmd " $NOSANITIZE_CFLAGS $NOLTO_CFLAGS"
 707
 708     if ![ld_compile $cc_cmd $srcdir/$subdir/$source $tmpdir/$execname.s]     {
 709         unresolved "$test"
 710         return
 711     }
 712
 713     if ![ld_assemble $as "$as_options $tmpdir/$execname.s" $tmpdir/$execname.o ]     {
 714         unresolved "$test"
 715         return
 716     }
 717
 718     if [string match "" $solibname] then {
 719         set solibname_lib ""
 720     } else {
 721         set solibname_lib $tmpdir/$solibname
 722     }
 723
 724     if {![ld_link $CC $tmpdir/$execname "$flags $tmpdir/$execname.o $solibname_lib"]}     {
 725         fail "$test"
 726         return
 727     }
 728
 729     if [string match "" $verexp] then {
 730 #
 731 # Make sure we get nothing back.
 732 #
 733         if {![objdump_emptyverstuff $objdump $tmpdir/$execname ]}     {
 734             fail "$test"
 735             return
 736         }
 737     } else {
 738         if {![objdump_versionstuff $objdump $tmpdir/$execname $srcdir/$subdir/$verexp ]}     {
 739             fail "$test"
 740             return
 741         }
 742     }
 743
 744     if [string match "" $versymexp] then {
 745         if {![objdump_emptydynsymstuff $objdump $tmpdir/$execname ]}     {
 746             fail "$test"
 747             return
 748         }
 749     } else {
 750         if {![objdump_dynsymstuff $objdump $tmpdir/$execname $srcdir/$subdir/$versymexp ]}     {
 751             fail "$test"
 752             return
 753         }
 754     }
 755
 756     if [string match "" $symexp] then {
 757         if {![objdump_emptysymstuff $objdump $tmpdir/$execname.o ]}     {
 758             fail "$test"
 759             return
 760         }
 761     } else {
 762         if {![objdump_symstuff $objdump $tmpdir/$execname.o $srcdir/$subdir/$symexp ]}     {
 763             fail "$test"
 764             return
 765         }
 766     }
 767
 768     pass $test
 769 }
 770
 771 if { [istarget x86_64-*-linux*] \
 772      || [istarget arm*-*-*] \
 773      || ( [istarget mips*-*-linux*] && [at_least_gcc_version 4 3] ) } {
 774     # x86_64, ARM and newer MIPS toolchains do not like non-pic shared libraries
 775     set pic "yes"
 776 } else {
 777     set pic "no"
 778 }
 779
 780 #
 781 # Basic test - build a library with versioned symbols.
 782 #
 783 build_vers_lib_pic "vers1" vers1.c vers1 "" vers1.map vers1.ver vers1.dsym vers1.sym
 784
 785
 786 #
 787 # Test #2 - build a library, and link it against the library we built in step
 788 # 1.
 789 #
 790 build_vers_lib_pic "vers2" vers2.c vers2 vers1.so vers2.map vers2.ver vers2.dsym ""
 791
 792 #
 793 # Test #3 - build an executable, and link it against vers1.so.
 794 #
 795 build_exec "vers3" vers3.c vers3 "-Wl,--no-as-needed" vers1.so vers3.ver vers3.dsym ""
 796
 797 #
 798 # Test #4 - Make sure a version implicitly defined in an executable
 799 # causes a version node to be created.  Verify this both with and without
 800 # --export-dynamic.
 801 #
 802
 803 # This test fails on MIPS.  On the MIPS we must put foo in the dynamic
 804 # symbol table, which the test does not expect.
 805 setup_xfail "mips*-*-*"
 806 build_exec "vers4" vers4.c vers4 "" "" "" "" vers4.sym
 807
 808 build_exec "vers4a" vers4.c vers4a "-Wl,-export-dynamic" "" vers4a.ver vers4a.dsym vers4a.sym
 809
 810 # Verify that --no-export-dynamic undoes the effect of --export-dynamic.
 811 setup_xfail "mips*-*-*"
 812 build_exec "vers4b" vers4.c vers4b "-Wl,-export-dynamic -Wl,--no-export-dynamic" "" "" "" vers4.sym
 813
 814
 815 #
 816 # Try multiple definitions foo@BAR and foo@@BAR and make sure the linker
 817 # complains.
 818 #
 819 test_ldfail "vers5" "" vers5.c vers5 "" "" "multiple definition of foo@VERS_1.2"
 820
 821 #
 822 #
 823 # Now build a test that should reference a bunch of versioned symbols.
 824 # All of them should be correctly referenced.
 825 #
 826 build_exec "vers6" vers6.c vers6 "-Wl,--no-as-needed" vers1.so vers6.ver vers6.dsym vers6.sym
 827
 828 #
 829 # Another test to verify that something made local via 'local' is truly not
 830 # accessible.
 831 #
 832 if [string match "yes" $pic] then {
 833     xfail "vers7a"
 834     xfail "vers7"
 835 } else {
 836     build_vers_lib_no_pic "vers7a" vers7a.c vers7a "" vers7.map vers7a.ver vers7a.dsym vers7a.sym
 837
 838     test_ldfail "vers7" "" vers7.c vers7 vers7a.so "" "undefined reference to hide_a"
 839 }
 840
 841
 842 #
 843 # This test is designed to verify that we can pass a linker script on the
 844 # command line as if it were a normal .o file.
 845 #
 846 catch "exec cp $srcdir/$subdir/vers8.map $tmpdir/" ignore_output
 847 build_vers_lib_pic "vers8" vers1.c vers8 vers8.map "" vers8.ver vers1.dsym vers1.sym
 848
 849 #
 850 # This test tries to make sure that version references to versioned symbols
 851 # don't collide with default definitions with the same symbol.
 852 #
 853 build_exec "vers9" vers9.c vers9 "-Wl,-export-dynamic" "" vers9.ver vers9.dsym vers9.sym
 854
 855
 856 #
 857 # Try and use a non-existant version node.  The linker should fail with
 858 # an error message.
 859 #
 860 test_ldfail "vers10" "-DDO_TEST10" vers1.c vers10 "" "vers1.map --shared" "invalid version"
 861
 862 #
 863 # Try and some things the assembler should complain about.
 864 #
 865 test_asfail "vers11" "-DDO_TEST11" vers1.c vers11 "no @ in symver"
 866
 867 test_asfail "vers12" "-DDO_TEST12" vers1.c vers12 "extern version definition"
 868
 869 #
 870 # Put a shared library in an archive library, and make sure the global
 871 # archive symbol table is sane.
 872 #
 873 test_ar "ar with versioned solib" vers13.a vers1.so vers13.asym
 874
 875 #
 876 # Strip a shared library, and make sure we didn't screw something up in there.
 877 #
 878 test_strip_vers_lib "vers14" vers1.so vers14 vers1.ver vers1.dsym
 879
 880
 881 #
 882 # Build another test with some versioned symbols.  Here we are going to
 883 # try and override something from the library, and we shouldn't get
 884 # any errors.
 885 #
 886 build_exec "vers15" vers15.c vers15 "-Wl,--no-as-needed" vers1.so vers15.ver vers15.dsym vers15.sym
 887
 888 #
 889 # Test that when we override a versioned symbol from the library this
 890 # symbol appears in the dynamic symbol table of the executable.
 891 #
 892 build_vers_lib_pic "vers16a" vers16a.c vers16a "" vers16.map vers16a.ver vers16a.dsym ""
 893 build_exec "vers16" vers16.c vers16 "-Wl,--no-as-needed" vers16a.so "" vers16.dsym ""
 894
 895 # Test a weak versioned symbol.
 896 build_vers_lib_pic "vers17" vers17.c vers17 "" vers17.map vers17.ver vers17.dsym ""
 897 build_vers_lib_pic "vers18" vers18.c vers18 vers17.so vers18.map vers18.ver vers18.dsym vers18.sym
 898 build_exec "vers19" vers19.c vers19 "-Wl,--no-as-needed,-rpath,.,-rpath-link,." vers18.so vers19.ver vers19.dsym ""
 899
 900 build_vers_lib_no_pic "vers20a" vers20.c vers20a "" vers20.map vers20a.ver vers20.dsym ""
 901 if {! [file exists $tmpdir/vers20a.so] } then {
 902     fail "Building vers20a.so"
 903 } else {
 904     exec cp $tmpdir/vers20a.so $tmpdir/vers20b.so
 905     build_vers_lib_no_pic "vers20" vers20.c vers20 "vers20a.so vers20b.so" vers20.map vers20.ver vers20.dsym ""
 906 }
 907
 908 # Test .symver override.
 909 build_vers_lib_pic "vers21" vers21.c vers21 "" vers21.map vers21.ver vers21.dsym vers21.sym
 910
 911 # Test moving default definition from one DSO to another.
 912 build_vers_lib_pic "vers22a" vers22a.c vers22a "" vers22.map vers22a.ver vers22a.dsym vers22a.sym
 913 build_vers_lib_pic "vers22b" vers22b.c vers22b "" vers22.map vers22b.ver vers22b.dsym ""
 914 build_vers_lib_pic "vers22" vers22.c vers22 "vers22a.so vers22b.so" "" vers22.ver vers22.dsym ""
 915
 916 # Test versioned definitions in different files.
 917 if [string match "yes" $pic] then {
 918     xfail "vers23a"
 919     xfail "vers23b"
 920     xfail "vers23c"
 921     xfail "vers23d"
 922     xfail "vers23"
 923 } else {
 924     build_vers_lib_no_pic "vers23a" vers23a.c vers23a "" vers23a.map vers23a.ver vers23a.dsym vers23a.sym
 925     build_vers_lib_no_pic "vers23b" vers23b.c vers23b "" vers23b.map vers23b.ver vers23b.dsym ""
 926     build_vers_lib_no_pic "vers23c" vers23b.c vers23c "vers23a.so" vers23b.map vers23c.ver vers23b.dsym ""
 927     build_exec "vers23d" vers23.c vers23d "-Wl,--no-as-needed tmpdir/vers23a.so tmpdir/vers23c.so" "" vers23.ver vers23d.dsym ""
 928     build_exec "vers23" vers23.c vers23 "-Wl,--no-as-needed tmpdir/vers23a.so tmpdir/vers23b.o tmpdir/vers23b.so" "" vers23.ver vers23.dsym ""
 929 }
 930
 931 # Test .symver x,x@VERS.0
 932 set as_pic_flags ""
 933 if [istarget sparc*-*-*] {
 934   set as_pic_flags "-K PIC"
 935 }
 936 run_ld_link_tests [list "\"vers24a\"
 937                          \"-shared --version-script $srcdir/$subdir/vers24.map\" \"\"
 938                          \"$as_pic_flags $as_options\" {vers24a.c vers24b.c} { { readelf -Wrs vers24.rd } }
 939                          \"libvers24a.so\" \"-fpic\""]
 940 run_ld_link_tests [list "\"vers24b\"
 941                          \"-shared --version-script $srcdir/$subdir/vers24.map\" \"\"
 942                          \"$as_pic_flags $as_options\" {vers24b.c vers24a.c} { { readelf -Wrs vers24.rd } }
 943                          \"libvers24b.so\" \"-fpic\""]
 944 run_ld_link_tests [list "\"vers24c\"
 945                          \"-shared --version-script $srcdir/$subdir/vers24.map\" \"\"
 946                          \"$as_pic_flags $as_options\" {vers24c.c} { { readelf -Wrs vers24.rd } }
 947                          \"libvers24c.so\" \"-fpic\""]
 948
 949 # Test versioned definition vs. normal definition in different files.
 950 if [string match "yes" $pic] then {
 951     xfail "vers25a"
 952     xfail "vers25b1"
 953     xfail "vers25b2"
 954 } else {
 955     build_vers_lib_no_pic "vers25a" vers25a.c vers25a "" vers25a.map vers25a.ver vers25a.dsym ""
 956     build_vers_lib_no_pic "vers25b1" vers25b.c vers25b1 "vers25a.o vers25a.so" "" vers25b.ver vers25b.dsym ""
 957     build_vers_lib_no_pic "vers25b2" vers25b.c vers25b2 "vers25a.so vers25a.o" "" vers25b.ver vers25b.dsym ""
 958 }
 959
 960 build_vers_lib_pic "vers26a" vers26a.c vers26a "" vers26a.map vers26a.ver vers26a.dsym ""
 961 build_vers_lib_pic "vers26b1" vers26b.c vers26b1 "" "" vers26b.ver vers26b.dsym ""
 962 build_vers_lib_pic "vers26b2" vers26b.c vers26b2 "vers26a.so vers26b1.so vers26a.o" "" vers26b.ver vers26b.dsym ""
 963 if [string match "yes" $pic] then {
 964     xfail "vers26b3"
 965 } else {
 966     build_vers_lib_no_pic "vers26b3" vers26b.c vers26b3 "vers26a.so vers26b1.so vers26a.o" "" vers26b.ver vers26b.dsym ""
 967 }
 968
 969 # Test versioned definition vs. hidden definition in different files.
 970 if [string match "yes" $pic] then {
 971     xfail "vers27a"
 972     xfail "vers27b"
 973     xfail "vers27c1"
 974     xfail "vers27c2"
 975     xfail "vers27d1"
 976     xfail "vers27d2"
 977     xfail "vers27d3"
 978     xfail "vers27d4"
 979     xfail "vers27d5"
 980 } else {
 981     build_vers_lib_no_pic "vers27a" vers27a.c vers27a "" vers27a.map vers27a.ver vers27a.dsym ""
 982     build_vers_lib_no_pic "vers27b" vers27b.c vers27b "" "" vers27b.ver vers27b.dsym ""
 983     build_vers_lib_no_pic "vers27c1" vers27c.c vers27c1 "vers27b.o vers27a.so" "" vers27c.ver vers27c.dsym ""
 984     build_vers_lib_no_pic "vers27c2" vers27c.c vers27c2 "vers27a.so vers27b.o" "" vers27c.ver vers27c.dsym ""
 985     build_vers_lib_pic "vers27d1" vers27d1.c vers27d1 "" vers27a.map vers27d.ver vers27d.dsym vers27d.sym
 986     build_vers_lib_pic "vers27d2" vers27d2.c vers27d2 "" "" vers27b.ver vers27b.dsym ""
 987     build_executable "vers27d3" vers27d3.c vers27d3 "vers27b.o vers27d2.so vers27d1.so" "" vers27b.ver vers27b.dsym ""
 988     build_vers_lib_pic "vers27d4" vers27d2.c vers27d4 "vers27a.so" "" vers27d4.ver vers27d4.dsym ""
 989     build_executable "vers27d5" vers27d3.c vers27d5 "vers27d4.so vers27b.o vers27a.so" "" vers27b.ver vers27b.dsym ""
 990 }
 991
 992 # Test weak versioned definition vs. strong definition in different
 993 # files.
 994 build_vers_lib_pic "vers28a" vers28a.c vers28a "" "" vers28a.ver vers28a.dsym ""
 995 build_vers_lib_pic "vers28b" vers28b.c vers28b "" vers28b.map vers28b.ver vers28b.dsym ""
 996 build_vers_lib_pic "vers28c" vers28c.c vers28c "vers28b.so vers28a.so" "" vers28c.ver vers28c.dsym ""
 997 build_vers_lib_pic_flags "vers29" vers29.c vers29 "" "" vers29.ver vers29.dsym "" "--default-symver"
 998
 999 # Test #30 - test handling of symbol names global, local and extern in the
1000 # version script.
1001 build_vers_lib_pic "vers30" vers30.c vers30 "" vers30.map vers30.ver vers30.dsym ""
1002
1003 # Test #31 -- quoted strings in version sections.
1004 build_vers_lib_pic "vers31" vers31.c vers31 "" vers31.map vers31.ver vers31.dsym ""
1005
1006 # Test #32 -- linker --defsym
1007 build_vers_lib_pic "vers32a" vers32a.c vers32a "" vers32.map vers32a.ver vers32a.dsym ""
1008 build_vers_lib_pic_flags "vers32b" vers32b.c vers32b "vers32a.so" vers32.map vers32b.ver vers32b.dsym "" "--defsym foo=0"