ld/testsuite/ld-elfvsb/elfvsb.exp

   1 # Expect script for ld-visibility tests
   2 #   Copyright 2000, 2001 Free Software Foundation, Inc.
   3 #
   4 # This file is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program; if not, write to the Free Software
  16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17 #
  18 # Written by Ian Lance Taylor (ian@cygnus.com)
  19 #            and H.J. Lu (hjl@gnu.org)
  20 #
  21
  22 # Make sure that ld can generate ELF shared libraries with visibility.
  23
  24 # This test can only be run if ld generates native executables.
  25 if ![isnative] then {return}
  26
  27 # This test can only be run on a couple of ELF platforms.
  28 # Square bracket expressions seem to confuse istarget.
  29 if { ![istarget hppa*64*-*-hpux*] \
  30      && ![istarget hppa*-*-linux*] \
  31      && ![istarget i?86-*-linux*] \
  32      && ![istarget ia64-*-linux*] \
  33      && ![istarget m68k-*-linux*] \
  34      && ![istarget mips*-*-linux*] \
  35      && ![istarget powerpc-*-linux*] \
  36      && ![istarget arm*-*-linux*] \
  37      && ![istarget alpha*-*-linux*] \
  38      && ![istarget sparc*-*-linux*] } {
  39     return
  40 }
  41
  42 if { [istarget *-*-linux*aout*] \
  43      || [istarget *-*-linux*oldld*] } {
  44     return
  45 }
  46
  47 set test_list [lsort [glob -nocomplain $srcdir/$subdir/*.d]]
  48 foreach t $test_list {
  49     # We need to strip the ".d", but can leave the dirname.
  50     verbose [file rootname $t]
  51     run_dump_test [file rootname $t]
  52 }
  53
  54 set tmpdir tmpdir
  55 set SHCFLAG ""
  56
  57 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
  58
  59     # AIX shared libraries do not seem to support useful features,
  60     # like overriding the shared library function or letting the
  61     # shared library refer to objects defined in the main program.  We
  62     # avoid testing those features.
  63     set SHCFLAG "-DXCOFF_TEST"
  64
  65     # The AIX 3.2.5 loader appears to randomly fail when loading
  66     # shared libraries from NSF mounted partitions, so we avoid any
  67     # potential problems by using a local directory.
  68     catch {exec /bin/sh -c "echo $$"} pid
  69     set tmpdir /usr/tmp/ld.$pid
  70     catch "exec mkdir $tmpdir" exec_status
  71
  72     # On AIX, we need to explicitly export the symbols the shared
  73     # library is going to provide, and need.
  74     set file [open $tmpdir/xcoff.exp w]
  75     puts $file shlibvar1
  76     puts $file shlibvar2
  77     puts $file shlib_shlibvar1
  78     puts $file shlib_shlibvar2
  79     puts $file shlib_shlibcall
  80     puts $file shlib_shlibcalled
  81     puts $file shlib_checkfunptr1
  82     puts $file shlib_getfunptr1
  83     puts $file shlib_check
  84     close $file
  85 }
  86
  87 set support_protected "no"
  88
  89 if [istarget *-*-linux*] {
  90     if [ld_compile "$CC -g $CFLAGS -DPROTECTED_CHECK" $srcdir/$subdir/main.c $tmpdir/main.o] {
  91       if [ld_link $ld $tmpdir/main "$tmpdir/main.o"] {
  92         catch "exec $tmpdir/main" support_protected
  93       }
  94     }
  95 }
  96
  97 # The test procedure.
  98 proc visibility_test { visibility progname testname main sh1 sh2 dat args } {
  99     global ld
 100     global srcdir
 101     global subdir
 102     global exec_output
 103     global link_output
 104     global host_triplet
 105     global tmpdir
 106
 107     if [llength $args] { set shldflags [lindex $args 0] } else { set shldflags "" }
 108
 109     # Build the shared library.
 110     # On AIX, we need to use an export file.
 111     set shared -shared
 112     if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 113         set shared "-bM:SRE -bE:$tmpdir/xcoff.exp"
 114     }
 115     if {![ld_simple_link $ld $tmpdir/$progname.so "$shared $shldflags $tmpdir/$sh1 $tmpdir/$sh2"]} {
 116         if { [ string match $visibility "hidden_undef" ]
 117              && [regexp ".*/sh1.c.*: undefined reference to \`visibility\'" $link_output]
 118              && [regexp ".*/sh1.c.*: undefined reference to \`visibility_var\'" $link_output] } {
 119             pass "$testname"
 120         } else { if { [ string match $visibility "protected_undef" ]
 121              && [regexp ".*/sh1.c.*: undefined reference to \`visibility\'" $link_output]
 122              && [regexp ".*/sh1.c.*: undefined reference to \`visibility_var\'" $link_output] } {
 123             pass "$testname"
 124         } else {
 125             fail "$testname"
 126         }}
 127         return
 128     }
 129
 130     # Link against the shared library.  Use -rpath so that the
 131     # dynamic linker can locate the shared library at runtime.
 132     # On AIX, we must include /lib in -rpath, as otherwise the loader
 133     # can not find -lc.
 134     set rpath $tmpdir
 135     if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 136         set rpath /lib:$tmpdir
 137     }
 138     if ![ld_link $ld $tmpdir/$progname "-rpath $rpath $tmpdir/$main $tmpdir/$progname.so"] {
 139         if { [ string match $visibility "hidden" ]
 140              && [regexp ".*/main.c.*: undefined reference to \`visibility\'" $link_output]
 141              && [regexp ".*/main.c.*: undefined reference to \`visibility_var\'" $link_output] } {
 142             pass "$testname"
 143         } else { if { [ string match $visibility "hidden_undef_def" ]
 144              && [regexp ".*/main.c.*: undefined reference to \`visibility\'" $link_output]
 145              && [regexp ".*/main.c.*: undefined reference to \`visibility_var\'" $link_output] } {
 146             pass "$testname"
 147         } else {
 148             fail "$testname"
 149         }}
 150         return
 151     }
 152
 153     if { [ string match $visibility "hidden" ]
 154          || [ string match $visibility "hidden_undef" ]
 155          || [ string match $visibility "protected_undef" ] } {
 156         fail "$testname"
 157     }
 158
 159     # Run the resulting program
 160     send_log "$tmpdir/$progname >$tmpdir/$progname.out\n"
 161     verbose "$tmpdir/$progname >$tmpdir/$progname.out"
 162     catch "exec $tmpdir/$progname >$tmpdir/$progname.out" exec_output
 163     if ![string match "" $exec_output] then {
 164         send_log "$exec_output\n"
 165         verbose "$exec_output"
 166         fail "$testname"
 167         return
 168     }
 169
 170     send_log "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat\n"
 171     verbose "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat"
 172     catch "exec diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat" exec_output
 173     set exec_output [prune_warnings $exec_output]
 174
 175     if {![string match "" $exec_output]} then {
 176         send_log "$exec_output\n"
 177         verbose "$exec_output"
 178         fail "$testname"
 179         return
 180     }
 181
 182     pass "$testname"
 183 }
 184
 185 proc visibility_run {visibility} {
 186     global CC
 187     global CFLAGS
 188     global SHCFLAG
 189     global srcdir
 190     global subdir
 191     global tmpdir
 192     global picflag
 193     global target_triplet
 194     global support_protected
 195
 196     if [ string match $visibility "hidden" ] {
 197         set VSBCFLAG "-DHIDDEN_TEST"
 198     } else { if [ string match $visibility "hidden_normal" ] {
 199         set VSBCFLAG "-DHIDDEN_NORMAL_TEST"
 200     } else { if [ string match $visibility "hidden_undef" ] {
 201         set VSBCFLAG "-DHIDDEN_UNDEF_TEST"
 202     } else { if [ string match $visibility "hidden_undef_def" ] {
 203         set VSBCFLAG "-DHIDDEN_UNDEF_TEST -DDSO_DEFINE_TEST"
 204     } else { if [ string match $visibility "hidden_weak" ] {
 205         set VSBCFLAG "-DHIDDEN_WEAK_TEST"
 206     } else { if [ string match $visibility "protected" ] {
 207         set VSBCFLAG "-DPROTECTED_TEST"
 208     } else { if [ string match $visibility "protected_undef" ] {
 209         set VSBCFLAG "-DPROTECTED_UNDEF_TEST"
 210     } else { if [ string match $visibility "protected_undef_def" ] {
 211         set VSBCFLAG "-DPROTECTED_UNDEF_TEST -DDSO_DEFINE_TEST"
 212     } else { if [ string match $visibility "protected_weak" ] {
 213         set VSBCFLAG "-DPROTECTED_WEAK_TEST"
 214     } else {
 215         set VSBCFLAG ""
 216     }}}}}}}}}
 217
 218     # Compile the main program.
 219     if ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o] {
 220         unresolved "visibility ($visibility) (non PIC)"
 221         unresolved "visibility ($visibility)"
 222     } else {
 223         # The shared library is composed of two files.  First compile them
 224         # without using -fpic.  That should work on an ELF system,
 225         # although it will be less efficient because the dynamic linker
 226         # will need to do more relocation work.  However, note that not
 227         # using -fpic will cause some of the tests to return different
 228         # results.
 229         if { ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/sh1.c $tmpdir/sh1np.o]
 230              || ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/sh2.c $tmpdir/sh2np.o] } {
 231             unresolved "visibility ($visibility) (non PIC)"
 232         } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 233             visibility_test $visibility vnp "visibility ($visibility) (non PIC)" mainnp.o sh1np.o sh2np.o xcoff
 234         } else {
 235             # SunOS non PIC shared libraries don't permit some cases of
 236             # overriding.
 237             if { [ string match $visibility "protected" ]
 238                  || [ string match $visibility "protected_undef_def" ] } {
 239                 if [ string match $support_protected "no" ] {
 240                     setup_xfail $target_triplet
 241                 }
 242             } else {
 243                 setup_xfail "*-*-sunos4*"
 244             }
 245             if { [ string match $visibility "hidden_weak" ]
 246                  || [ string match $visibility "protected_weak" ] } {
 247                 setup_xfail "powerpc-*-linux*"
 248             }
 249
 250             # Non-pic code uses name binding rules for applications to
 251             # reference variables by gp-relative relocs, which can't be
 252             # used with overridable symbols.
 253             if { ![ string match $visibility "hidden_undef" ]
 254                  && ![ string match $visibility "protected_undef" ] } {
 255                 setup_xfail "ia64-*-linux*"
 256                 setup_xfail "alpha*-*-linux*"
 257             }
 258
 259             visibility_test $visibility vnp "visibility ($visibility) (non PIC)" mainnp.o sh1np.o sh2np.o elfvsb
 260
 261             # Test ELF shared library relocations with a non-zero load
 262             # address for the library.  Near as I can tell, the R_*_RELATIVE
 263             # relocations for various targets are broken in the case where
 264             # the load address is not zero (which is the default).
 265             if { [ string match $visibility "protected" ]
 266                  || [ string match $visibility "protected_undef_def" ] } {
 267                 if [ string match $support_protected "no" ] {
 268                     setup_xfail $target_triplet
 269                 }
 270             } else {
 271                 setup_xfail "*-*-sunos4*"
 272                 setup_xfail "*-*-linux*libc1"
 273             }
 274             if { [ string match $visibility "hidden_normal" ]
 275                  || [ string match $visibility "hidden_weak" ]
 276                  || [ string match $visibility "protected" ]
 277                  || [ string match $visibility "protected_undef_def" ]
 278                  || [ string match $visibility "protected_weak" ]
 279                  || [ string match $visibility "normal" ] } {
 280                 setup_xfail "powerpc-*-linux*"
 281             }
 282             if { ![ string match $visibility "hidden_undef" ]
 283                  && ![ string match $visibility "protected_undef" ] } {
 284                 setup_xfail "ia64-*-linux*"
 285                 setup_xfail "alpha*-*-linux*"
 286                 setup_xfail "mips*-*-linux*"
 287             }
 288             visibility_test $visibility vnp "visibility ($visibility) (non PIC, load offset)" \
 289                 mainnp.o sh1np.o sh2np.o elfvsb \
 290                 "-T $srcdir/$subdir/elf-offset.ld"
 291         } }
 292
 293         # Now compile the code using -fpic.
 294
 295         if { ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o]
 296             || ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG $picflag" $srcdir/$subdir/sh2.c $tmpdir/sh2p.o] } {
 297             unresolved "visibility ($visibility)"
 298         } else {
 299             if { [ string match $visibility "protected" ]
 300                  || [ string match $visibility "protected_undef_def" ] } {
 301                 if [ string match $support_protected "no" ] {
 302                     setup_xfail $target_triplet
 303                 }
 304             }
 305             # SunOS can not compare function pointers correctly
 306             if [istarget "*-*-sunos4*"] {
 307                 visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o sun4
 308             } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 309                 visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o xcoff
 310             } else {
 311                 visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o elfvsb
 312             } }
 313         }
 314     }
 315
 316     # Now do the same tests again, but this time compile main.c PIC.
 317     if ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG $picflag" $srcdir/$subdir/main.c $tmpdir/mainp.o] {
 318         unresolved "visibility ($visibility) (PIC main, non PIC so)"
 319         unresolved "visibility ($visibility) (PIC main)"
 320     } else {
 321         if { [file exists $tmpdir/sh1np.o ] && [ file exists $tmpdir/sh2np.o ] } {
 322             if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 323                 visibility_test $visibility vmpnp "visibility ($visibility) (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o xcoff
 324             } else {
 325                 # SunOS non PIC shared libraries don't permit some cases of
 326                 # overriding.
 327                 if { [ string match $visibility "protected" ]
 328                      || [ string match $visibility "protected_undef_def" ] } {
 329                     if [ string match $support_protected "no" ] {
 330                         setup_xfail $target_triplet
 331                     }
 332                 } else {
 333                     setup_xfail "*-*-sunos4*"
 334                 }
 335                 if { [ string match $visibility "hidden_weak" ]
 336                      || [ string match $visibility "protected_weak" ] } {
 337                     setup_xfail "powerpc-*-linux*"
 338                 }
 339                 if { ![ string match $visibility "hidden_undef" ]
 340                      && ![ string match $visibility "protected_undef" ] } {
 341                     setup_xfail "ia64-*-linux*"
 342                     setup_xfail "alpha*-*-linux*"
 343                 }
 344                 visibility_test $visibility vmpnp "visibility ($visibility) (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o elfvsb
 345             }
 346         } else {
 347             unresolved "visibility (PIC main, non PIC so)"
 348         }
 349
 350         if { [file exists $tmpdir/sh1p.o ] && [ file exists $tmpdir/sh2p.o ] } {
 351             if { [ string match $visibility "protected" ]
 352                  || [ string match $visibility "protected_undef_def" ] } {
 353                 if [ string match $support_protected "no" ] {
 354                     setup_xfail $target_triplet
 355                 }
 356             }
 357             if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 358                 visibility_test $visibility vmpp "visibility ($visibility) (PIC main)" mainp.o sh1p.o sh2p.o xcoff
 359             } else {
 360                 visibility_test $visibility vmpp "visibility ($visibility) (PIC main)" mainp.o sh1p.o sh2p.o elfvsb
 361             }
 362         } else {
 363             unresolved "visibility ($visibility) (PIC main)"
 364         }
 365     }
 366 }
 367
 368 if [istarget mips*-*-*] {
 369     set picflag ""
 370 } else {
 371     # Unfortunately, the gcc argument is -fpic and the cc argument is
 372     # -KPIC.  We have to try both.
 373     set picflag "-fpic"
 374     send_log "$CC $picflag\n"
 375     verbose "$CC $picflag"
 376     catch "exec $CC $picflag" exec_output
 377     send_log "$exec_output\n"
 378     verbose "--" "$exec_output"
 379     if { [string match "*illegal option*" $exec_output] \
 380          || [string match "*option ignored*" $exec_output] \
 381          || [string match "*unrecognized option*" $exec_output] \
 382          || [string match "*passed to ld*" $exec_output] } {
 383         if [istarget *-*-sunos4*] {
 384             set picflag "-pic"
 385         } else {
 386             set picflag "-KPIC"
 387         }
 388     }
 389 }
 390 verbose "Using $picflag to compile PIC code"
 391
 392 visibility_run hidden
 393 visibility_run hidden_normal
 394 visibility_run hidden_undef
 395 visibility_run hidden_undef_def
 396 visibility_run hidden_weak
 397 visibility_run protected
 398 visibility_run protected_undef
 399 visibility_run protected_undef_def
 400 visibility_run protected_weak
 401 visibility_run normal
 402
 403 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 404     # Remove the temporary directory.
 405     catch "exec rm -rf $tmpdir" exec_status
 406 }