ld/testsuite/ld-elfvsb/elfvsb.exp

   1 # Expect script for ld-visibility tests
   2 #   Copyright (C) 2000-2018 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 NOPIE_CFLAGS
 240     global COMPRESS_LDFLAG
 241
 242     if [ string match $visibility "hidden" ] {
 243         set VSBCFLAG "-DHIDDEN_TEST"
 244     } else { if [ string match $visibility "hidden_normal" ] {
 245         set VSBCFLAG "-DHIDDEN_NORMAL_TEST"
 246     } else { if [ string match $visibility "hidden_undef" ] {
 247         set VSBCFLAG "-DHIDDEN_UNDEF_TEST"
 248     } else { if [ string match $visibility "hidden_undef_def" ] {
 249         set VSBCFLAG "-DHIDDEN_UNDEF_TEST -DDSO_DEFINE_TEST"
 250     } else { if [ string match $visibility "hidden_weak" ] {
 251         set VSBCFLAG "-DHIDDEN_WEAK_TEST"
 252     } else { if [ string match $visibility "protected" ] {
 253         set VSBCFLAG "-DPROTECTED_TEST"
 254     } else { if [ string match $visibility "protected_undef" ] {
 255         set VSBCFLAG "-DPROTECTED_UNDEF_TEST"
 256     } else { if [ string match $visibility "protected_undef_def" ] {
 257         set VSBCFLAG "-DPROTECTED_UNDEF_TEST -DDSO_DEFINE_TEST"
 258     } else { if [ string match $visibility "protected_weak" ] {
 259         set VSBCFLAG "-DPROTECTED_WEAK_TEST"
 260     } else {
 261         set VSBCFLAG ""
 262     }}}}}}}}}
 263
 264     # Ensure we always start with a clean slate, for the "file exists"
 265     # tests below.
 266     remote_file host delete $tmpdir/sh1p.o $tmpdir/sh2p.o $tmpdir/sh1np.o $tmpdir/sh2np.o
 267
 268     if { [istarget powerpc*-*-linux*] \
 269          || ( [istarget mips*-*-linux*] && [at_least_gcc_version 4 3] )} {
 270         # Testing non-PIC libraries is a waste of effort on any target.
 271         # If you don't pass -fpic or -fPIC to gcc, gcc will assume quite
 272         # reasonably that you are not compiling for a shared library.
 273         # It can then make optimisations that result in shared library
 274         # functions and variables not being overridable.  Newer versions
 275         # of gcc are more likely to do this.
 276     } else {
 277     # Compile the main program.  Make sure that PLT is used since PLT
 278     # is expected.
 279     if ![ld_compile "$CC -g $PLT_CFLAGS $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o] {
 280         unresolved "visibility ($visibility) (non PIC)"
 281         unresolved "visibility ($visibility)"
 282     } else {
 283         # The shared library is composed of two files.  First compile them
 284         # without using -fpic.  That should work on an ELF system,
 285         # although it will be less efficient because the dynamic linker
 286         # will need to do more relocation work.  However, note that not
 287         # using -fpic will cause some of the tests to return different
 288         # results.  Make sure that PLT is used since PLT is expected.
 289         if { ![ld_compile "$CC -g $NOPIE_CFLAGS $PLT_CFLAGS $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/sh1.c $tmpdir/sh1np.o]
 290              || ![ld_compile "$CC -g $NOPIE_CFLAGS $PLT_CFLAGS $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/sh2.c $tmpdir/sh2np.o] } {
 291             unresolved "visibility ($visibility) (non PIC)"
 292         } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 293             visibility_test $visibility vnp "visibility ($visibility) (non PIC)" mainnp.o sh1np.o sh2np.o xcoff
 294         } else {
 295             # SunOS non PIC shared libraries don't permit some cases of
 296             # overriding.
 297             if { [ string match $visibility "protected" ]
 298                  || [ string match $visibility "protected_undef_def" ] } {
 299                 if [ string match $support_protected "no" ] {
 300                     setup_xfail $target_triplet
 301                 }
 302             } else {
 303                 setup_xfail "*-*-sunos4*"
 304             }
 305
 306             # Non-pic code uses name binding rules for applications to
 307             # reference variables by gp-relative relocs, which can't be
 308             # used with overridable symbols.
 309             if { ![ string match $visibility "hidden_undef" ]
 310                  && ![ string match $visibility "protected_undef" ] } {
 311                 setup_xfail "ia64-*-linux*"
 312                 setup_xfail "alpha*-*-linux*"
 313             }
 314             if { ![ string match $visibility "hidden" ]
 315                  && ![ string match $visibility "hidden_undef" ]
 316                  && ![ string match $visibility "hidden_undef_def" ]
 317                  && ![ string match $visibility "protected_undef" ] } {
 318                 setup_xfail "s390x-*-linux*"
 319                 if { [istarget sparc*-*-linux*] && [is_elf64 $tmpdir/mainnp.o] } {
 320                     setup_xfail "sparc*-*-linux*"
 321                 }
 322             }
 323             if { [is_elf64 $tmpdir/mainnp.o] } {
 324                 setup_xfail "x86_64-*-linux*"
 325             }
 326             setup_xfail "x86_64-*-linux-gnux32"
 327             if { ![istarget hppa*64*-*-linux*] } {
 328                 setup_xfail "hppa*-*-linux*"
 329             }
 330             if [ string match $shared_needs_pic "yes" ] {
 331                 setup_xfail "arm*-*-linux*"
 332             }
 333
 334             visibility_test $visibility vnp "visibility ($visibility) (non PIC)" mainnp.o sh1np.o sh2np.o elfvsb
 335
 336             # Test ELF shared library relocations with a non-zero load
 337             # address for the library.  Near as I can tell, the R_*_RELATIVE
 338             # relocations for various targets are broken in the case where
 339             # the load address is not zero (which is the default).
 340             if { [ string match $visibility "protected" ]
 341                  || [ string match $visibility "protected_undef_def" ] } {
 342                 if [ string match $support_protected "no" ] {
 343                     setup_xfail $target_triplet
 344                 }
 345             } else {
 346                 setup_xfail "*-*-sunos4*"
 347                 setup_xfail "*-*-linux*libc1"
 348             }
 349             if { [ string match $visibility "hidden_normal" ]
 350                  || [ string match $visibility "hidden_weak" ]
 351                  || [ string match $visibility "protected" ]
 352                  || [ string match $visibility "protected_undef_def" ]
 353                  || [ string match $visibility "protected_weak" ]
 354                  || [ string match $visibility "normal" ] } {
 355                 setup_xfail "powerpc-*-linux*"
 356                 setup_xfail "s390x-*-linux*"
 357                 if { [istarget sparc*-*-linux*] && [is_elf64 $tmpdir/mainnp.o] } {
 358                     setup_xfail "sparc*-*-linux*"
 359                 }
 360             }
 361             if { ![ string match $visibility "hidden_undef" ]
 362                  && ![ string match $visibility "protected_undef" ] } {
 363                 setup_xfail "ia64-*-linux*"
 364                 setup_xfail "alpha*-*-linux*"
 365                 setup_xfail "mips*-*-linux*"
 366             }
 367             if { [is_elf64 $tmpdir/mainnp.o] } {
 368                 setup_xfail "x86_64-*-linux*"
 369             }
 370             setup_xfail "x86_64-*-linux-gnux32"
 371             if { ![istarget hppa*64*-*-linux*] } {
 372                 setup_xfail "hppa*-*-linux*"
 373             }
 374             if [ string match $shared_needs_pic "yes" ] {
 375                 setup_xfail "arm*-*-linux*"
 376             }
 377
 378             visibility_test $visibility vnp "visibility ($visibility) (non PIC, load offset)" \
 379                 mainnp.o sh1np.o sh2np.o elfvsb \
 380                 "-Wl,-T,$srcdir/$subdir/elf-offset.ld,--hash-style=sysv"
 381         } }
 382
 383         # Now compile the code using -fpic.
 384
 385         if { ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG -DSHARED $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o]
 386             || ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG -DSHARED $picflag" $srcdir/$subdir/sh2.c $tmpdir/sh2p.o] } {
 387             unresolved "visibility ($visibility)"
 388         } else {
 389             if { [ string match $visibility "protected" ]
 390                  || [ string match $visibility "protected_undef_def" ] } {
 391                 if [ string match $support_protected "no" ] {
 392                     setup_xfail $target_triplet
 393                 }
 394             }
 395             # SunOS can not compare function pointers correctly
 396             if [istarget "*-*-sunos4*"] {
 397                 visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o sun4
 398             } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 399                 visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o xcoff
 400             } else {
 401                 visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o elfvsb $COMPRESS_LDFLAG
 402             } }
 403         }
 404     }}
 405
 406     if { [istarget powerpc*-*-linux*] } {
 407         # Don't bother.
 408     } else {
 409     # Now do the same tests again, but this time compile main.c PIC.
 410     if ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG -DSHARED $picflag" $srcdir/$subdir/main.c $tmpdir/mainp.o] {
 411         unresolved "visibility ($visibility) (PIC main, non PIC so)"
 412         unresolved "visibility ($visibility) (PIC main)"
 413     } else {
 414         if { [ remote_file host exists $tmpdir/sh1np.o ]
 415              && [ remote_file host exists $tmpdir/sh2np.o ] } {
 416             if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 417                 visibility_test $visibility vmpnp "visibility ($visibility) (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o xcoff
 418             } else {
 419                 # SunOS non PIC shared libraries don't permit some cases of
 420                 # overriding.
 421                 if { [ string match $visibility "protected" ]
 422                      || [ string match $visibility "protected_undef_def" ] } {
 423                     if [ string match $support_protected "no" ] {
 424                         setup_xfail $target_triplet
 425                     }
 426                 } else {
 427                     setup_xfail "*-*-sunos4*"
 428                 }
 429                 if { ![ string match $visibility "hidden_undef" ]
 430                      && ![ string match $visibility "protected_undef" ] } {
 431                     setup_xfail "ia64-*-linux*"
 432                     setup_xfail "alpha*-*-linux*"
 433                 }
 434                 if { ![ string match $visibility "hidden" ]
 435                      && ![ string match $visibility "hidden_undef" ]
 436                      && ![ string match $visibility "hidden_undef_def" ]
 437                      && ![ string match $visibility "protected_undef" ] } {
 438                     setup_xfail "s390x-*-linux*"
 439                     if { [istarget sparc*-*-linux*] && [is_elf64 $tmpdir/mainp.o] } {
 440                         setup_xfail "sparc*-*-linux*"
 441                     }
 442                 }
 443                 if { [is_elf64 $tmpdir/mainp.o] } {
 444                     setup_xfail "x86_64-*-linux*"
 445                 }
 446                 setup_xfail "x86_64-*-linux-gnux32"
 447                 if { ![istarget hppa*64*-*-linux*] } {
 448                     setup_xfail "hppa*-*-linux*"
 449                 }
 450                 if [ string match $shared_needs_pic "yes" ] {
 451                     setup_xfail "arm*-*-linux*"
 452                 }
 453
 454                 visibility_test $visibility vmpnp "visibility ($visibility) (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o elfvsb
 455             }
 456         } else {
 457             unresolved "visibility (PIC main, non PIC so)"
 458         }
 459
 460         if { [ remote_file host exists $tmpdir/sh1p.o ]
 461              && [ remote_file host exists $tmpdir/sh2p.o ] } {
 462             if { [ string match $visibility "protected" ]
 463                  || [ string match $visibility "protected_undef_def" ] } {
 464                 if [ string match $support_protected "no" ] {
 465                     setup_xfail $target_triplet
 466                 }
 467             }
 468             if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 469                 visibility_test $visibility vmpp "visibility ($visibility) (PIC main)" mainp.o sh1p.o sh2p.o xcoff
 470             } else {
 471                 visibility_test $visibility vmpp "visibility ($visibility) (PIC main)" mainp.o sh1p.o sh2p.o elfvsb
 472             }
 473         } else {
 474             unresolved "visibility ($visibility) (PIC main)"
 475         }
 476     }}
 477 }
 478
 479 # Old version of GCC for MIPS default to enabling -fpic
 480 # and get confused if it is used on the command line.
 481 if { [istarget mips*-*-*] && ! [at_least_gcc_version 4 3] } then {
 482     set picflag ""
 483 } else {
 484     # Unfortunately, the gcc argument is -fpic and the cc argument is
 485     # -KPIC.  We have to try both.
 486     set picflag "-fpic"
 487     send_log "$CC $picflag\n"
 488     verbose "$CC $picflag"
 489     catch "exec $CC $picflag" exec_output
 490     send_log "$exec_output\n"
 491     verbose "--" "$exec_output"
 492     if { [string match "*illegal option*" $exec_output] \
 493          || [string match "*option ignored*" $exec_output] \
 494          || [string match "*unrecognized option*" $exec_output] \
 495          || [string match "*passed to ld*" $exec_output] } {
 496         if [istarget *-*-sunos4*] {
 497             set picflag "-pic"
 498         } else {
 499             set picflag "-KPIC"
 500         }
 501     }
 502 }
 503 verbose "Using $picflag to compile PIC code"
 504
 505 visibility_run hidden
 506 visibility_run hidden_normal
 507 visibility_run hidden_undef
 508 visibility_run hidden_undef_def
 509 visibility_run hidden_weak
 510 visibility_run protected
 511 visibility_run protected_undef
 512 visibility_run protected_undef_def
 513 visibility_run protected_weak
 514 visibility_run normal
 515
 516 if { ![ld_compile "$CC -g $CFLAGS" $srcdir/$subdir/common.c tmpdir/common.o] } {
 517     unresolved "common hidden symbol"
 518 } else {
 519     if ![ld_link $ld tmpdir/common "tmpdir/common.o"] {
 520         fail "common hidden symbol"
 521     } else {
 522         pass "common hidden symbol"
 523     }
 524 }
 525
 526 if { ![ld_compile "$CC -g $CFLAGS" $srcdir/$subdir/test.c tmpdir/test.o] } {
 527     unresolved "weak hidden symbol"
 528 } else {
 529    if { ![ld_compile "$CC -g $CFLAGS -DSHARED $picflag" $srcdir/$subdir/sh3.c tmpdir/sh3.o] } {
 530         unresolved "weak hidden symbol"
 531     } else {
 532         if ![ld_link $ld tmpdir/sh3.so "-shared tmpdir/sh3.o"] {
 533             fail "weak hidden symbol"
 534         } else {
 535             if ![ld_link $ld tmpdir/weak "tmpdir/test.o tmpdir/sh3.o"] {
 536                 fail "weak hidden symbol DSO last"
 537             } else {
 538                 pass "weak hidden symbol DSO last"
 539             }
 540             if ![ld_link $ld tmpdir/weak "tmpdir/sh3.so tmpdir/test.o"] {
 541                 fail "weak hidden symbol DSO first"
 542             } else {
 543                 pass "weak hidden symbol DSO first"
 544             }
 545         }
 546     }
 547 }
 548
 549 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 550     # Remove the temporary directory.
 551     catch "exec rm -rf $tmpdir" exec_status
 552 }