ld/testsuite/ld-elfvsb/elfvsb.exp

   1 # Expect script for ld-visibility tests
   2 #   Copyright (C) 2000-2017 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 Ian Lance Taylor (ian@cygnus.com)
  22 #            and H.J. Lu (hjl@gnu.org)
  23 #
  24
  25 # Make sure that ld can generate ELF shared libraries with visibility.
  26
  27 # Check to see if the C compiler works
  28 if { [which $CC] == 0 } {
  29     return
  30 }
  31
  32 # This test can only be run on a couple of ELF platforms.
  33 # Square bracket expressions seem to confuse istarget.
  34 if { ![istarget hppa*64*-*-hpux*] \
  35      && ![istarget hppa*-*-linux*] \
  36      && ![istarget i?86-*-linux*] \
  37      && ![istarget i?86-*-gnu*] \
  38      && ![istarget *-*-nacl*] \
  39      && ![istarget ia64-*-linux*] \
  40      && ![istarget m68k-*-linux*] \
  41      && ![istarget mips*-*-linux*] \
  42      && ![istarget powerpc*-*-linux*] \
  43      && ![istarget arm*-*-linux*] \
  44      && ![istarget alpha*-*-linux*] \
  45      && ![istarget sparc*-*-linux*] \
  46      && ![istarget s390*-*-linux*] \
  47      && ![istarget sh\[34\]*-*-linux*] \
  48      && ![istarget x86_64-*-linux*] } {
  49     return
  50 }
  51
  52 if { [istarget *-*-linux*aout*] \
  53      || [istarget *-*-linux*oldld*] } {
  54     return
  55 }
  56
  57 set test_list [lsort [glob -nocomplain $srcdir/$subdir/*.d]]
  58 foreach t $test_list {
  59     # We need to strip the ".d", but can leave the dirname.
  60     verbose [file rootname $t]
  61     run_dump_test [file rootname $t]
  62 }
  63
  64 set tmpdir tmpdir
  65 set SHCFLAG ""
  66 set shared_needs_pic "no"
  67 set COMPRESS_LDFLAG "-Wl,--compress-debug-sections=zlib-gabi"
  68
  69 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
  70
  71     # AIX shared libraries do not seem to support useful features,
  72     # like overriding the shared library function or letting the
  73     # shared library refer to objects defined in the main program.  We
  74     # avoid testing those features.
  75     set SHCFLAG "-DXCOFF_TEST"
  76
  77     # The AIX 3.2.5 loader appears to randomly fail when loading
  78     # shared libraries from NSF mounted partitions, so we avoid any
  79     # potential problems by using a local directory.
  80     catch {exec /bin/sh -c "echo $$"} pid
  81     set tmpdir /usr/tmp/ld.$pid
  82     catch "exec mkdir $tmpdir" exec_status
  83
  84     # On AIX, we need to explicitly export the symbols the shared
  85     # library is going to provide, and need.
  86     set file [open $tmpdir/xcoff.exp w]
  87     puts $file shlibvar1
  88     puts $file shlibvar2
  89     puts $file shlib_shlibvar1
  90     puts $file shlib_shlibvar2
  91     puts $file shlib_shlibcall
  92     puts $file shlib_shlibcalled
  93     puts $file shlib_checkfunptr1
  94     puts $file shlib_getfunptr1
  95     puts $file shlib_check
  96     close $file
  97 }
  98
  99 if [istarget arm*-*-linux*] {
 100     # On ARM section anchors can change the symbol pre-emptability for
 101     # non-PIC shared libraries, causing these tests to fail.  Turn section
 102     # anchors off.
 103     set SHCFLAG "-fno-section-anchors"
 104
 105     # On targets that have MOVW the compiler will emit relocations which
 106     # the linker doesn't support when compiling -shared without -fpic.  The
 107     # test to find out whether we want to XFAIL the non-PIC tests requires
 108     # a compile - so we pre-calculate it here.  We also note that this can
 109     # only affect arm*-*-*eabi* targets as the old ABI doesn't support v7.
 110     if [istarget arm*-*-*eabi*] {
 111         set file [open $tmpdir/movw-detect.c w]
 112         puts $file "void foo(void) { __asm (\"movw r0, #0\"); }"
 113         close $file
 114         if [run_host_cmd_yesno "$CC" "$CFLAGS -c $tmpdir/movw-detect.c -o $tmpdir/movw-detect.o"] {
 115             set shared_needs_pic "yes"
 116         }
 117     }
 118 }
 119
 120 set support_protected "no"
 121
 122 if { [istarget *-*-linux*]
 123      || [istarget *-*-nacl*]
 124      || [istarget *-*-gnu*] } {
 125     if [ld_compile "$CC -g $CFLAGS -DPROTECTED_CHECK" $srcdir/$subdir/main.c $tmpdir/main.o] {
 126       if [ld_link $CC $tmpdir/main "$tmpdir/main.o"] {
 127         catch "exec $tmpdir/main" support_protected
 128       }
 129     }
 130 }
 131
 132 # The test procedure.
 133 proc visibility_test { visibility progname testname main sh1 sh2 dat args } {
 134     global CC
 135     global srcdir
 136     global subdir
 137     global exec_output
 138     global link_output
 139     global host_triplet
 140     global tmpdir
 141
 142     if [llength $args] { set shldflags [lindex $args 0] } else { set shldflags "" }
 143
 144     # Build the shared library.
 145     # On AIX, we need to use an export file.
 146     set shared -shared
 147     if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 148         set shared "-bM:SRE -bE:$tmpdir/xcoff.exp"
 149     }
 150     if {![ld_link $CC $tmpdir/$progname.so "$shared $shldflags $tmpdir/$sh1 $tmpdir/$sh2"]} {
 151         if { [ string match $visibility "hidden_undef" ]
 152              && [regexp "undefined reference to \`\.?visibility\'" $link_output]
 153              && [regexp "undefined reference to \`visibility_var\'" $link_output] } {
 154             pass "$testname"
 155         } else { if { [ string match $visibility "protected_undef" ]
 156              && [regexp "undefined reference to \`\.?visibility\'" $link_output]
 157              && [regexp "undefined reference to \`visibility_var\'" $link_output] } {
 158             pass "$testname"
 159         } else {
 160             fail "$testname"
 161         }}
 162         return
 163     }
 164
 165     # Link against the shared library.  Use -rpath so that the
 166     # dynamic linker can locate the shared library at runtime.
 167     # On AIX, we must include /lib in -rpath, as otherwise the loader
 168     # can not find -lc.
 169     set rpath $tmpdir
 170     if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 171         set rpath /lib:$tmpdir
 172     }
 173     if ![ld_link $CC $tmpdir/$progname "-Wl,-rpath,$rpath $tmpdir/$main $tmpdir/$progname.so"] {
 174         if { [ string match $visibility "hidden" ]
 175              && [regexp "undefined reference to \`\.?visibility\'" $link_output]
 176              && [regexp "undefined reference to \`visibility_var\'" $link_output] } {
 177             pass "$testname"
 178         } else { if { [ string match $visibility "hidden_undef_def" ]
 179              && [regexp "undefined reference to \`\.?visibility\'" $link_output]
 180              && [regexp "undefined reference to \`visibility_def\'" $link_output]
 181              && [regexp "undefined reference to \`\.?visibility_func\'" $link_output]
 182              && [regexp "undefined reference to \`visibility_var\'" $link_output] } {
 183             pass "$testname"
 184         } else {
 185             fail "$testname"
 186         }}
 187         return
 188     }
 189
 190     if { [ string match $visibility "hidden" ]
 191          || [ string match $visibility "hidden_undef" ]
 192          || [ string match $visibility "protected_undef" ] } {
 193         fail "$testname"
 194     }
 195
 196     if ![isnative] {
 197         unsupported "$testname"
 198         return
 199     }
 200
 201     # Run the resulting program
 202     send_log "$tmpdir/$progname >$tmpdir/$progname.out\n"
 203     verbose "$tmpdir/$progname >$tmpdir/$progname.out"
 204     catch "exec $tmpdir/$progname >$tmpdir/$progname.out" exec_output
 205     if ![string match "" $exec_output] then {
 206         send_log "$exec_output\n"
 207         verbose "$exec_output"
 208         fail "$testname"
 209         return
 210     }
 211
 212     send_log "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat\n"
 213     verbose "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat"
 214     catch "exec diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat" exec_output
 215     set exec_output [prune_warnings $exec_output]
 216
 217     if {![string match "" $exec_output]} then {
 218         send_log "$exec_output\n"
 219         verbose "$exec_output"
 220         fail "$testname"
 221         return
 222     }
 223
 224     pass "$testname"
 225 }
 226
 227 proc visibility_run {visibility} {
 228     global CC
 229     global CFLAGS
 230     global SHCFLAG
 231     global srcdir
 232     global subdir
 233     global tmpdir
 234     global picflag
 235     global target_triplet
 236     global support_protected
 237     global shared_needs_pic
 238     global PLT_CFLAGS
 239     global COMPRESS_LDFLAG
 240
 241     if [ string match $visibility "hidden" ] {
 242         set VSBCFLAG "-DHIDDEN_TEST"
 243     } else { if [ string match $visibility "hidden_normal" ] {
 244         set VSBCFLAG "-DHIDDEN_NORMAL_TEST"
 245     } else { if [ string match $visibility "hidden_undef" ] {
 246         set VSBCFLAG "-DHIDDEN_UNDEF_TEST"
 247     } else { if [ string match $visibility "hidden_undef_def" ] {
 248         set VSBCFLAG "-DHIDDEN_UNDEF_TEST -DDSO_DEFINE_TEST"
 249     } else { if [ string match $visibility "hidden_weak" ] {
 250         set VSBCFLAG "-DHIDDEN_WEAK_TEST"
 251     } else { if [ string match $visibility "protected" ] {
 252         set VSBCFLAG "-DPROTECTED_TEST"
 253     } else { if [ string match $visibility "protected_undef" ] {
 254         set VSBCFLAG "-DPROTECTED_UNDEF_TEST"
 255     } else { if [ string match $visibility "protected_undef_def" ] {
 256         set VSBCFLAG "-DPROTECTED_UNDEF_TEST -DDSO_DEFINE_TEST"
 257     } else { if [ string match $visibility "protected_weak" ] {
 258         set VSBCFLAG "-DPROTECTED_WEAK_TEST"
 259     } else {
 260         set VSBCFLAG ""
 261     }}}}}}}}}
 262
 263     if { [istarget powerpc*-*-linux*] \
 264          || ( [istarget mips*-*-linux*] && [at_least_gcc_version 4 3] )} {
 265         # Testing non-PIC libraries is a waste of effort on any target.
 266         # If you don't pass -fpic or -fPIC to gcc, gcc will assume quite
 267         # reasonably that you are not compiling for a shared library.
 268         # It can then make optimisations that result in shared library
 269         # functions and variables not being overridable.  Newer versions
 270         # of gcc are more likely to do this.
 271     } else {
 272     # Compile the main program.  Make sure that PLT is used since PLT
 273     # is expected.
 274     if ![ld_compile "$CC -g $PLT_CFLAGS $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o] {
 275         unresolved "visibility ($visibility) (non PIC)"
 276         unresolved "visibility ($visibility)"
 277     } else {
 278         # The shared library is composed of two files.  First compile them
 279         # without using -fpic.  That should work on an ELF system,
 280         # although it will be less efficient because the dynamic linker
 281         # will need to do more relocation work.  However, note that not
 282         # using -fpic will cause some of the tests to return different
 283         # results.  Make sure that PLT is used since PLT is expected.
 284         if { ![ld_compile "$CC -g $PLT_CFLAGS $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/sh1.c $tmpdir/sh1np.o]
 285              || ![ld_compile "$CC -g $PLT_CFLAGS $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/sh2.c $tmpdir/sh2np.o] } {
 286             unresolved "visibility ($visibility) (non PIC)"
 287         } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 288             visibility_test $visibility vnp "visibility ($visibility) (non PIC)" mainnp.o sh1np.o sh2np.o xcoff
 289         } else {
 290             # SunOS non PIC shared libraries don't permit some cases of
 291             # overriding.
 292             if { [ string match $visibility "protected" ]
 293                  || [ string match $visibility "protected_undef_def" ] } {
 294                 if [ string match $support_protected "no" ] {
 295                     setup_xfail $target_triplet
 296                 }
 297             } else {
 298                 setup_xfail "*-*-sunos4*"
 299             }
 300
 301             # Non-pic code uses name binding rules for applications to
 302             # reference variables by gp-relative relocs, which can't be
 303             # used with overridable symbols.
 304             if { ![ string match $visibility "hidden_undef" ]
 305                  && ![ string match $visibility "protected_undef" ] } {
 306                 setup_xfail "ia64-*-linux*"
 307                 setup_xfail "alpha*-*-linux*"
 308             }
 309             if { ![ string match $visibility "hidden" ]
 310                  && ![ string match $visibility "hidden_undef" ]
 311                  && ![ string match $visibility "hidden_undef_def" ]
 312                  && ![ string match $visibility "protected_undef" ] } {
 313                 setup_xfail "s390x-*-linux*"
 314                 if { [istarget sparc*-*-linux*] && [is_elf64 $tmpdir/mainnp.o] } {
 315                     setup_xfail "sparc*-*-linux*"
 316                 }
 317             }
 318             if { [is_elf64 $tmpdir/mainnp.o] } {
 319                 setup_xfail "x86_64-*-linux*"
 320             }
 321             setup_xfail "x86_64-*-linux-gnux32"
 322             if { ![istarget hppa*64*-*-linux*] } {
 323                 setup_xfail "hppa*-*-linux*"
 324             }
 325             if [ string match $shared_needs_pic "yes" ] {
 326                 setup_xfail "arm*-*-linux*"
 327             }
 328
 329             visibility_test $visibility vnp "visibility ($visibility) (non PIC)" mainnp.o sh1np.o sh2np.o elfvsb
 330
 331             # Test ELF shared library relocations with a non-zero load
 332             # address for the library.  Near as I can tell, the R_*_RELATIVE
 333             # relocations for various targets are broken in the case where
 334             # the load address is not zero (which is the default).
 335             if { [ string match $visibility "protected" ]
 336                  || [ string match $visibility "protected_undef_def" ] } {
 337                 if [ string match $support_protected "no" ] {
 338                     setup_xfail $target_triplet
 339                 }
 340             } else {
 341                 setup_xfail "*-*-sunos4*"
 342                 setup_xfail "*-*-linux*libc1"
 343             }
 344             if { [ string match $visibility "hidden_normal" ]
 345                  || [ string match $visibility "hidden_weak" ]
 346                  || [ string match $visibility "protected" ]
 347                  || [ string match $visibility "protected_undef_def" ]
 348                  || [ string match $visibility "protected_weak" ]
 349                  || [ string match $visibility "normal" ] } {
 350                 setup_xfail "powerpc-*-linux*"
 351                 setup_xfail "s390x-*-linux*"
 352                 if { [istarget sparc*-*-linux*] && [is_elf64 $tmpdir/mainnp.o] } {
 353                     setup_xfail "sparc*-*-linux*"
 354                 }
 355             }
 356             if { ![ string match $visibility "hidden_undef" ]
 357                  && ![ string match $visibility "protected_undef" ] } {
 358                 setup_xfail "ia64-*-linux*"
 359                 setup_xfail "alpha*-*-linux*"
 360                 setup_xfail "mips*-*-linux*"
 361             }
 362             if { [is_elf64 $tmpdir/mainnp.o] } {
 363                 setup_xfail "x86_64-*-linux*"
 364             }
 365             setup_xfail "x86_64-*-linux-gnux32"
 366             if { ![istarget hppa*64*-*-linux*] } {
 367                 setup_xfail "hppa*-*-linux*"
 368             }
 369             if [ string match $shared_needs_pic "yes" ] {
 370                 setup_xfail "arm*-*-linux*"
 371             }
 372
 373             visibility_test $visibility vnp "visibility ($visibility) (non PIC, load offset)" \
 374                 mainnp.o sh1np.o sh2np.o elfvsb \
 375                 "-T $srcdir/$subdir/elf-offset.ld"
 376         } }
 377
 378         # Now compile the code using -fpic.
 379
 380         if { ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG -DSHARED $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o]
 381             || ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG -DSHARED $picflag" $srcdir/$subdir/sh2.c $tmpdir/sh2p.o] } {
 382             unresolved "visibility ($visibility)"
 383         } else {
 384             if { [ string match $visibility "protected" ]
 385                  || [ string match $visibility "protected_undef_def" ] } {
 386                 if [ string match $support_protected "no" ] {
 387                     setup_xfail $target_triplet
 388                 }
 389             }
 390             # SunOS can not compare function pointers correctly
 391             if [istarget "*-*-sunos4*"] {
 392                 visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o sun4
 393             } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 394                 visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o xcoff
 395             } else {
 396                 visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o elfvsb $COMPRESS_LDFLAG
 397             } }
 398         }
 399     }}
 400
 401     if { [istarget powerpc*-*-linux*] } {
 402         # Don't bother.
 403     } else {
 404     # Now do the same tests again, but this time compile main.c PIC.
 405     if ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG -DSHARED $picflag" $srcdir/$subdir/main.c $tmpdir/mainp.o] {
 406         unresolved "visibility ($visibility) (PIC main, non PIC so)"
 407         unresolved "visibility ($visibility) (PIC main)"
 408     } else {
 409         if { [file exists $tmpdir/sh1np.o ] && [ file exists $tmpdir/sh2np.o ] } {
 410             if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 411                 visibility_test $visibility vmpnp "visibility ($visibility) (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o xcoff
 412             } else {
 413                 # SunOS non PIC shared libraries don't permit some cases of
 414                 # overriding.
 415                 if { [ string match $visibility "protected" ]
 416                      || [ string match $visibility "protected_undef_def" ] } {
 417                     if [ string match $support_protected "no" ] {
 418                         setup_xfail $target_triplet
 419                     }
 420                 } else {
 421                     setup_xfail "*-*-sunos4*"
 422                 }
 423                 if { ![ string match $visibility "hidden_undef" ]
 424                      && ![ string match $visibility "protected_undef" ] } {
 425                     setup_xfail "ia64-*-linux*"
 426                     setup_xfail "alpha*-*-linux*"
 427                 }
 428                 if { ![ string match $visibility "hidden" ]
 429                      && ![ string match $visibility "hidden_undef" ]
 430                      && ![ string match $visibility "hidden_undef_def" ]
 431                      && ![ string match $visibility "protected_undef" ] } {
 432                     setup_xfail "s390x-*-linux*"
 433                     if { [istarget sparc*-*-linux*] && [is_elf64 $tmpdir/mainp.o] } {
 434                         setup_xfail "sparc*-*-linux*"
 435                     }
 436                 }
 437                 if { [is_elf64 $tmpdir/mainp.o] } {
 438                     setup_xfail "x86_64-*-linux*"
 439                 }
 440                 setup_xfail "x86_64-*-linux-gnux32"
 441                 if { ![istarget hppa*64*-*-linux*] } {
 442                     setup_xfail "hppa*-*-linux*"
 443                 }
 444                 if [ string match $shared_needs_pic "yes" ] {
 445                     setup_xfail "arm*-*-linux*"
 446                 }
 447
 448                 visibility_test $visibility vmpnp "visibility ($visibility) (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o elfvsb
 449             }
 450         } else {
 451             unresolved "visibility (PIC main, non PIC so)"
 452         }
 453
 454         if { [file exists $tmpdir/sh1p.o ] && [ file exists $tmpdir/sh2p.o ] } {
 455             if { [ string match $visibility "protected" ]
 456                  || [ string match $visibility "protected_undef_def" ] } {
 457                 if [ string match $support_protected "no" ] {
 458                     setup_xfail $target_triplet
 459                 }
 460             }
 461             if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 462                 visibility_test $visibility vmpp "visibility ($visibility) (PIC main)" mainp.o sh1p.o sh2p.o xcoff
 463             } else {
 464                 visibility_test $visibility vmpp "visibility ($visibility) (PIC main)" mainp.o sh1p.o sh2p.o elfvsb
 465             }
 466         } else {
 467             unresolved "visibility ($visibility) (PIC main)"
 468         }
 469     }}
 470 }
 471
 472 # Old version of GCC for MIPS default to enabling -fpic
 473 # and get confused if it is used on the command line.
 474 if { [istarget mips*-*-*] && ! [at_least_gcc_version 4 3] } then {
 475     set picflag ""
 476 } else {
 477     # Unfortunately, the gcc argument is -fpic and the cc argument is
 478     # -KPIC.  We have to try both.
 479     set picflag "-fpic"
 480     send_log "$CC $picflag\n"
 481     verbose "$CC $picflag"
 482     catch "exec $CC $picflag" exec_output
 483     send_log "$exec_output\n"
 484     verbose "--" "$exec_output"
 485     if { [string match "*illegal option*" $exec_output] \
 486          || [string match "*option ignored*" $exec_output] \
 487          || [string match "*unrecognized option*" $exec_output] \
 488          || [string match "*passed to ld*" $exec_output] } {
 489         if [istarget *-*-sunos4*] {
 490             set picflag "-pic"
 491         } else {
 492             set picflag "-KPIC"
 493         }
 494     }
 495 }
 496 verbose "Using $picflag to compile PIC code"
 497
 498 visibility_run hidden
 499 visibility_run hidden_normal
 500 visibility_run hidden_undef
 501 visibility_run hidden_undef_def
 502 visibility_run hidden_weak
 503 visibility_run protected
 504 visibility_run protected_undef
 505 visibility_run protected_undef_def
 506 visibility_run protected_weak
 507 visibility_run normal
 508
 509 if { ![ld_compile "$CC -g $CFLAGS" $srcdir/$subdir/common.c tmpdir/common.o] } {
 510     unresolved "common hidden symbol"
 511 } else {
 512     if ![ld_link $ld tmpdir/common "tmpdir/common.o"] {
 513         fail "common hidden symbol"
 514     } else {
 515         pass "common hidden symbol"
 516     }
 517 }
 518
 519 if { ![ld_compile "$CC -g $CFLAGS" $srcdir/$subdir/test.c tmpdir/test.o] } {
 520     unresolved "weak hidden symbol"
 521 } else {
 522    if { ![ld_compile "$CC -g $CFLAGS -DSHARED $picflag" $srcdir/$subdir/sh3.c tmpdir/sh3.o] } {
 523         unresolved "weak hidden symbol"
 524     } else {
 525         if ![ld_link $ld tmpdir/sh3.so "-shared tmpdir/sh3.o"] {
 526             fail "weak hidden symbol"
 527         } else {
 528             if ![ld_link $ld tmpdir/weak "tmpdir/test.o tmpdir/sh3.o"] {
 529                 fail "weak hidden symbol DSO last"
 530             } else {
 531                 pass "weak hidden symbol DSO last"
 532             }
 533             if ![ld_link $ld tmpdir/weak "tmpdir/sh3.so tmpdir/test.o"] {
 534                 fail "weak hidden symbol DSO first"
 535             } else {
 536                 pass "weak hidden symbol DSO first"
 537             }
 538         }
 539     }
 540 }
 541
 542 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 543     # Remove the temporary directory.
 544     catch "exec rm -rf $tmpdir" exec_status
 545 }