ld/testsuite/ld-elfvsb/elfvsb.exp

   1 # Expect script for ld-visibility tests
   2 #   Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
   3 #   Free Software Foundation, Inc.
   4 #
   5 # This file is part of the GNU Binutils.
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program; if not, write to the Free Software
  19 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  20 # MA 02110-1301, USA.
  21 #
  22 # Written by Ian Lance Taylor (ian@cygnus.com)
  23 #            and H.J. Lu (hjl@gnu.org)
  24 #
  25
  26 # Make sure that ld can generate ELF shared libraries with visibility.
  27
  28 # This test can only be run on a couple of ELF platforms.
  29 # Square bracket expressions seem to confuse istarget.
  30 if { ![istarget hppa*64*-*-hpux*] \
  31      && ![istarget hppa*-*-linux*] \
  32      && ![istarget i?86-*-linux*] \
  33      && ![istarget ia64-*-linux*] \
  34      && ![istarget m68k-*-linux*] \
  35      && ![istarget mips*-*-linux*] \
  36      && ![istarget powerpc*-*-linux*] \
  37      && ![istarget arm*-*-linux*] \
  38      && ![istarget alpha*-*-linux*] \
  39      && ![istarget sparc*-*-linux*] \
  40      && ![istarget s390*-*-linux*] \
  41      && ![istarget sh\[34\]*-*-linux*] \
  42      && ![istarget x86_64-*-linux*] } {
  43     return
  44 }
  45
  46 if { [istarget *-*-linux*aout*] \
  47      || [istarget *-*-linux*oldld*] } {
  48     return
  49 }
  50
  51 set test_list [lsort [glob -nocomplain $srcdir/$subdir/*.d]]
  52 foreach t $test_list {
  53     # We need to strip the ".d", but can leave the dirname.
  54     verbose [file rootname $t]
  55     run_dump_test [file rootname $t]
  56 }
  57
  58 # The remaining tests can only be run if ld generates native executables.
  59 if ![isnative] then {return}
  60
  61 set tmpdir tmpdir
  62 set SHCFLAG ""
  63 set shared_needs_pic "no"
  64
  65 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
  66
  67     # AIX shared libraries do not seem to support useful features,
  68     # like overriding the shared library function or letting the
  69     # shared library refer to objects defined in the main program.  We
  70     # avoid testing those features.
  71     set SHCFLAG "-DXCOFF_TEST"
  72
  73     # The AIX 3.2.5 loader appears to randomly fail when loading
  74     # shared libraries from NSF mounted partitions, so we avoid any
  75     # potential problems by using a local directory.
  76     catch {exec /bin/sh -c "echo $$"} pid
  77     set tmpdir /usr/tmp/ld.$pid
  78     catch "exec mkdir $tmpdir" exec_status
  79
  80     # On AIX, we need to explicitly export the symbols the shared
  81     # library is going to provide, and need.
  82     set file [open $tmpdir/xcoff.exp w]
  83     puts $file shlibvar1
  84     puts $file shlibvar2
  85     puts $file shlib_shlibvar1
  86     puts $file shlib_shlibvar2
  87     puts $file shlib_shlibcall
  88     puts $file shlib_shlibcalled
  89     puts $file shlib_checkfunptr1
  90     puts $file shlib_getfunptr1
  91     puts $file shlib_check
  92     close $file
  93 }
  94
  95 if [istarget arm*-*-linux*] {
  96     # On ARM section anchors can change the symbol pre-emptability for
  97     # non-PIC shared libraries, causing these tests to fail.  Turn section
  98     # anchors off.
  99     set SHCFLAG "-fno-section-anchors"
 100
 101     # On targets that have MOVW the compiler will emit relocations which
 102     # the linker doesn't support when compiling -shared without -fpic.  The
 103     # test to find out whether we want to XFAIL the non-PIC tests requires
 104     # a compile - so we pre-calculate it here.  We also note that this can
 105     # only affect arm*-*-*eabi targets as the old ABI doesn't support v7.
 106     if [istarget arm*-*-*eabi] {
 107         set file [open $tmpdir/movw-detect.c w]
 108         puts $file "void foo(void) { __asm (\"movw r0, #0\"); }"
 109         close $file
 110         if [run_host_cmd_yesno "$CC" "$CFLAGS -c $tmpdir/movw-detect.c -o $tmpdir/movw-detect.o"] {
 111             set shared_needs_pic "yes"
 112         }
 113     }
 114 }
 115
 116 set support_protected "no"
 117
 118 if [istarget *-*-linux*] {
 119     if [ld_compile "$CC -g $CFLAGS -DPROTECTED_CHECK" $srcdir/$subdir/main.c $tmpdir/main.o] {
 120       if [ld_simple_link $CC $tmpdir/main "$tmpdir/main.o"] {
 121         catch "exec $tmpdir/main" support_protected
 122       }
 123     }
 124 }
 125
 126 # The test procedure.
 127 proc visibility_test { visibility progname testname main sh1 sh2 dat args } {
 128     global CC
 129     global srcdir
 130     global subdir
 131     global exec_output
 132     global link_output
 133     global host_triplet
 134     global tmpdir
 135
 136     if [llength $args] { set shldflags [lindex $args 0] } else { set shldflags "" }
 137
 138     # Build the shared library.
 139     # On AIX, we need to use an export file.
 140     set shared -shared
 141     if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 142         set shared "-bM:SRE -bE:$tmpdir/xcoff.exp"
 143     }
 144     if {![ld_simple_link $CC $tmpdir/$progname.so "$shared $shldflags $tmpdir/$sh1 $tmpdir/$sh2"]} {
 145         if { [ string match $visibility "hidden_undef" ]
 146              && [regexp "undefined reference to \`\.?visibility\'" $link_output]
 147              && [regexp "undefined reference to \`visibility_var\'" $link_output] } {
 148             pass "$testname"
 149         } else { if { [ string match $visibility "protected_undef" ]
 150              && [regexp "undefined reference to \`\.?visibility\'" $link_output]
 151              && [regexp "undefined reference to \`visibility_var\'" $link_output] } {
 152             pass "$testname"
 153         } else {
 154             fail "$testname"
 155         }}
 156         return
 157     }
 158
 159     # Link against the shared library.  Use -rpath so that the
 160     # dynamic linker can locate the shared library at runtime.
 161     # On AIX, we must include /lib in -rpath, as otherwise the loader
 162     # can not find -lc.
 163     set rpath $tmpdir
 164     if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 165         set rpath /lib:$tmpdir
 166     }
 167     if ![ld_simple_link $CC $tmpdir/$progname "-Wl,-rpath,$rpath $tmpdir/$main $tmpdir/$progname.so"] {
 168         if { [ string match $visibility "hidden" ]
 169              && [regexp "undefined reference to \`\.?visibility\'" $link_output]
 170              && [regexp "undefined reference to \`visibility_var\'" $link_output] } {
 171             pass "$testname"
 172         } else { if { [ string match $visibility "hidden_undef_def" ]
 173              && [regexp "undefined reference to \`\.?visibility\'" $link_output]
 174              && [regexp "undefined reference to \`visibility_def\'" $link_output]
 175              && [regexp "undefined reference to \`\.?visibility_func\'" $link_output]
 176              && [regexp "undefined reference to \`visibility_var\'" $link_output] } {
 177             pass "$testname"
 178         } else {
 179             fail "$testname"
 180         }}
 181         return
 182     }
 183
 184     if { [ string match $visibility "hidden" ]
 185          || [ string match $visibility "hidden_undef" ]
 186          || [ string match $visibility "protected_undef" ] } {
 187         fail "$testname"
 188     }
 189
 190     # Run the resulting program
 191     send_log "$tmpdir/$progname >$tmpdir/$progname.out\n"
 192     verbose "$tmpdir/$progname >$tmpdir/$progname.out"
 193     catch "exec $tmpdir/$progname >$tmpdir/$progname.out" exec_output
 194     if ![string match "" $exec_output] then {
 195         send_log "$exec_output\n"
 196         verbose "$exec_output"
 197         fail "$testname"
 198         return
 199     }
 200
 201     send_log "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat\n"
 202     verbose "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat"
 203     catch "exec diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat" exec_output
 204     set exec_output [prune_warnings $exec_output]
 205
 206     if {![string match "" $exec_output]} then {
 207         send_log "$exec_output\n"
 208         verbose "$exec_output"
 209         fail "$testname"
 210         return
 211     }
 212
 213     pass "$testname"
 214 }
 215
 216 proc visibility_run {visibility} {
 217     global CC
 218     global CFLAGS
 219     global SHCFLAG
 220     global srcdir
 221     global subdir
 222     global tmpdir
 223     global picflag
 224     global target_triplet
 225     global support_protected
 226     global shared_needs_pic
 227
 228     if [ string match $visibility "hidden" ] {
 229         set VSBCFLAG "-DHIDDEN_TEST"
 230     } else { if [ string match $visibility "hidden_normal" ] {
 231         set VSBCFLAG "-DHIDDEN_NORMAL_TEST"
 232     } else { if [ string match $visibility "hidden_undef" ] {
 233         set VSBCFLAG "-DHIDDEN_UNDEF_TEST"
 234     } else { if [ string match $visibility "hidden_undef_def" ] {
 235         set VSBCFLAG "-DHIDDEN_UNDEF_TEST -DDSO_DEFINE_TEST"
 236     } else { if [ string match $visibility "hidden_weak" ] {
 237         set VSBCFLAG "-DHIDDEN_WEAK_TEST"
 238     } else { if [ string match $visibility "protected" ] {
 239         set VSBCFLAG "-DPROTECTED_TEST"
 240     } else { if [ string match $visibility "protected_undef" ] {
 241         set VSBCFLAG "-DPROTECTED_UNDEF_TEST"
 242     } else { if [ string match $visibility "protected_undef_def" ] {
 243         set VSBCFLAG "-DPROTECTED_UNDEF_TEST -DDSO_DEFINE_TEST"
 244     } else { if [ string match $visibility "protected_weak" ] {
 245         set VSBCFLAG "-DPROTECTED_WEAK_TEST"
 246     } else {
 247         set VSBCFLAG ""
 248     }}}}}}}}}
 249
 250     # Compile the main program.
 251     if ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o] {
 252         unresolved "visibility ($visibility) (non PIC)"
 253         unresolved "visibility ($visibility)"
 254     } else {
 255         # The shared library is composed of two files.  First compile them
 256         # without using -fpic.  That should work on an ELF system,
 257         # although it will be less efficient because the dynamic linker
 258         # will need to do more relocation work.  However, note that not
 259         # using -fpic will cause some of the tests to return different
 260         # results.
 261         if { ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/sh1.c $tmpdir/sh1np.o]
 262              || ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/sh2.c $tmpdir/sh2np.o] } {
 263             unresolved "visibility ($visibility) (non PIC)"
 264         } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 265             visibility_test $visibility vnp "visibility ($visibility) (non PIC)" mainnp.o sh1np.o sh2np.o xcoff
 266         } else {
 267             # SunOS non PIC shared libraries don't permit some cases of
 268             # overriding.
 269             if { [ string match $visibility "protected" ]
 270                  || [ string match $visibility "protected_undef_def" ] } {
 271                 if [ string match $support_protected "no" ] {
 272                     setup_xfail $target_triplet
 273                 }
 274             } else {
 275                 setup_xfail "*-*-sunos4*"
 276             }
 277
 278             # Non-pic code uses name binding rules for applications to
 279             # reference variables by gp-relative relocs, which can't be
 280             # used with overridable symbols.
 281             if { ![ string match $visibility "hidden_undef" ]
 282                  && ![ string match $visibility "protected_undef" ] } {
 283                 setup_xfail "ia64-*-linux*"
 284                 setup_xfail "alpha*-*-linux*"
 285             }
 286             if { ![ string match $visibility "hidden" ]
 287                  && ![ string match $visibility "hidden_undef" ]
 288                  && ![ string match $visibility "hidden_undef_def" ]
 289                  && ![ string match $visibility "protected_undef" ] } {
 290                 setup_xfail "s390x-*-linux*"
 291                 if { [istarget sparc*-*-linux*] && [is_elf64 $tmpdir/mainnp.o] } {
 292                     setup_xfail "sparc*-*-linux*"
 293                 }
 294             }
 295             setup_xfail "x86_64-*-linux*"
 296             if { ![istarget hppa*64*-*-linux*] } {
 297                 setup_xfail "hppa*-*-linux*"
 298             }
 299             if [ string match $shared_needs_pic "yes" ] {
 300                 setup_xfail "arm*-*-linux*"
 301             }
 302
 303             visibility_test $visibility vnp "visibility ($visibility) (non PIC)" mainnp.o sh1np.o sh2np.o elfvsb
 304
 305             # Test ELF shared library relocations with a non-zero load
 306             # address for the library.  Near as I can tell, the R_*_RELATIVE
 307             # relocations for various targets are broken in the case where
 308             # the load address is not zero (which is the default).
 309             if { [ string match $visibility "protected" ]
 310                  || [ string match $visibility "protected_undef_def" ] } {
 311                 if [ string match $support_protected "no" ] {
 312                     setup_xfail $target_triplet
 313                 }
 314             } else {
 315                 setup_xfail "*-*-sunos4*"
 316                 setup_xfail "*-*-linux*libc1"
 317             }
 318             if { [ string match $visibility "hidden_normal" ]
 319                  || [ string match $visibility "hidden_weak" ]
 320                  || [ string match $visibility "protected" ]
 321                  || [ string match $visibility "protected_undef_def" ]
 322                  || [ string match $visibility "protected_weak" ]
 323                  || [ string match $visibility "normal" ] } {
 324                 setup_xfail "powerpc-*-linux*"
 325                 setup_xfail "s390x-*-linux*"
 326                 if { [istarget sparc*-*-linux*] && [is_elf64 $tmpdir/mainnp.o] } {
 327                     setup_xfail "sparc*-*-linux*"
 328                 }
 329             }
 330             if { ![ string match $visibility "hidden_undef" ]
 331                  && ![ string match $visibility "protected_undef" ] } {
 332                 setup_xfail "ia64-*-linux*"
 333                 setup_xfail "alpha*-*-linux*"
 334                 setup_xfail "mips*-*-linux*"
 335             }
 336             setup_xfail "x86_64-*-linux*"
 337             if { ![istarget hppa*64*-*-linux*] } {
 338                 setup_xfail "hppa*-*-linux*"
 339             }
 340             if [ string match $shared_needs_pic "yes" ] {
 341                 setup_xfail "arm*-*-linux*"
 342             }
 343
 344             visibility_test $visibility vnp "visibility ($visibility) (non PIC, load offset)" \
 345                 mainnp.o sh1np.o sh2np.o elfvsb \
 346                 "-T $srcdir/$subdir/elf-offset.ld"
 347         } }
 348
 349         # Now compile the code using -fpic.
 350
 351         if { ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG -DSHARED $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o]
 352             || ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG -DSHARED $picflag" $srcdir/$subdir/sh2.c $tmpdir/sh2p.o] } {
 353             unresolved "visibility ($visibility)"
 354         } else {
 355             if { [ string match $visibility "protected" ]
 356                  || [ string match $visibility "protected_undef_def" ] } {
 357                 if [ string match $support_protected "no" ] {
 358                     setup_xfail $target_triplet
 359                 }
 360             }
 361             # SunOS can not compare function pointers correctly
 362             if [istarget "*-*-sunos4*"] {
 363                 visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o sun4
 364             } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 365                 visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o xcoff
 366             } else {
 367                 visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o elfvsb
 368             } }
 369         }
 370     }
 371
 372     # Now do the same tests again, but this time compile main.c PIC.
 373     if ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG -DSHARED $picflag" $srcdir/$subdir/main.c $tmpdir/mainp.o] {
 374         unresolved "visibility ($visibility) (PIC main, non PIC so)"
 375         unresolved "visibility ($visibility) (PIC main)"
 376     } else {
 377         if { [file exists $tmpdir/sh1np.o ] && [ file exists $tmpdir/sh2np.o ] } {
 378             if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 379                 visibility_test $visibility vmpnp "visibility ($visibility) (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o xcoff
 380             } else {
 381                 # SunOS non PIC shared libraries don't permit some cases of
 382                 # overriding.
 383                 if { [ string match $visibility "protected" ]
 384                      || [ string match $visibility "protected_undef_def" ] } {
 385                     if [ string match $support_protected "no" ] {
 386                         setup_xfail $target_triplet
 387                     }
 388                 } else {
 389                     setup_xfail "*-*-sunos4*"
 390                 }
 391                 if { ![ string match $visibility "hidden_undef" ]
 392                      && ![ string match $visibility "protected_undef" ] } {
 393                     setup_xfail "ia64-*-linux*"
 394                     setup_xfail "alpha*-*-linux*"
 395                 }
 396                 if { ![ string match $visibility "hidden" ]
 397                      && ![ string match $visibility "hidden_undef" ]
 398                      && ![ string match $visibility "hidden_undef_def" ]
 399                      && ![ string match $visibility "protected_undef" ] } {
 400                     setup_xfail "s390x-*-linux*"
 401                     if { [istarget sparc*-*-linux*] && [is_elf64 $tmpdir/mainp.o] } {
 402                         setup_xfail "sparc*-*-linux*"
 403                     }
 404                 }
 405                 setup_xfail "x86_64-*-linux*"
 406                 if { ![istarget hppa*64*-*-linux*] } {
 407                     setup_xfail "hppa*-*-linux*"
 408                 }
 409                 if [ string match $shared_needs_pic "yes" ] {
 410                     setup_xfail "arm*-*-linux*"
 411                 }
 412
 413                 visibility_test $visibility vmpnp "visibility ($visibility) (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o elfvsb
 414             }
 415         } else {
 416             unresolved "visibility (PIC main, non PIC so)"
 417         }
 418
 419         if { [file exists $tmpdir/sh1p.o ] && [ file exists $tmpdir/sh2p.o ] } {
 420             if { [ string match $visibility "protected" ]
 421                  || [ string match $visibility "protected_undef_def" ] } {
 422                 if [ string match $support_protected "no" ] {
 423                     setup_xfail $target_triplet
 424                 }
 425             }
 426             if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 427                 visibility_test $visibility vmpp "visibility ($visibility) (PIC main)" mainp.o sh1p.o sh2p.o xcoff
 428             } else {
 429                 visibility_test $visibility vmpp "visibility ($visibility) (PIC main)" mainp.o sh1p.o sh2p.o elfvsb
 430             }
 431         } else {
 432             unresolved "visibility ($visibility) (PIC main)"
 433         }
 434     }
 435 }
 436
 437 if [istarget mips*-*-*] {
 438     set picflag ""
 439 } else {
 440     # Unfortunately, the gcc argument is -fpic and the cc argument is
 441     # -KPIC.  We have to try both.
 442     set picflag "-fpic"
 443     send_log "$CC $picflag\n"
 444     verbose "$CC $picflag"
 445     catch "exec $CC $picflag" exec_output
 446     send_log "$exec_output\n"
 447     verbose "--" "$exec_output"
 448     if { [string match "*illegal option*" $exec_output] \
 449          || [string match "*option ignored*" $exec_output] \
 450          || [string match "*unrecognized option*" $exec_output] \
 451          || [string match "*passed to ld*" $exec_output] } {
 452         if [istarget *-*-sunos4*] {
 453             set picflag "-pic"
 454         } else {
 455             set picflag "-KPIC"
 456         }
 457     }
 458 }
 459 verbose "Using $picflag to compile PIC code"
 460
 461 visibility_run hidden
 462 visibility_run hidden_normal
 463 visibility_run hidden_undef
 464 visibility_run hidden_undef_def
 465 visibility_run hidden_weak
 466 visibility_run protected
 467 visibility_run protected_undef
 468 visibility_run protected_undef_def
 469 visibility_run protected_weak
 470 visibility_run normal
 471
 472 if { ![ld_compile "$CC -g $CFLAGS" $srcdir/$subdir/common.c tmpdir/common.o] } {
 473     unresolved "common hidden symbol"
 474 } else {
 475     if ![ld_simple_link $ld tmpdir/common "tmpdir/common.o"] {
 476         fail "common hidden symbol"
 477     } else {
 478         pass "common hidden symbol"
 479     }
 480 }
 481
 482 if { ![ld_compile "$CC -g $CFLAGS" $srcdir/$subdir/test.c tmpdir/test.o] } {
 483     unresolved "weak hidden symbol"
 484 } else {
 485    if { ![ld_compile "$CC -g $CFLAGS -DSHARED $picflag" $srcdir/$subdir/sh3.c tmpdir/sh3.o] } {
 486         unresolved "weak hidden symbol"
 487     } else {
 488         if ![ld_simple_link $ld tmpdir/sh3.so "-shared tmpdir/sh3.o"] {
 489             fail "weak hidden symbol"
 490         } else {
 491             if ![ld_simple_link $ld tmpdir/weak "tmpdir/test.o tmpdir/sh3.o"] {
 492                 fail "weak hidden symbol DSO last"
 493             } else {
 494                 pass "weak hidden symbol DSO last"
 495             }
 496             if ![ld_simple_link $ld tmpdir/weak "tmpdir/sh3.so tmpdir/test.o"] {
 497                 fail "weak hidden symbol DSO first"
 498             } else {
 499                 pass "weak hidden symbol DSO first"
 500             }
 501         }
 502     }
 503 }
 504
 505 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 506     # Remove the temporary directory.
 507     catch "exec rm -rf $tmpdir" exec_status
 508 }