ld/testsuite/ld-elfvsb/elfvsb.exp

   1 # Expect script for ld-visibility tests
   2 #   Copyright 2000, 2001, 2003 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      && ![istarget s390*-*-linux*] \
  40      && ![istarget x86_64-*-linux*] } {
  41     return
  42 }
  43
  44 if { [istarget *-*-linux*aout*] \
  45      || [istarget *-*-linux*oldld*] } {
  46     return
  47 }
  48
  49 set test_list [lsort [glob -nocomplain $srcdir/$subdir/*.d]]
  50 foreach t $test_list {
  51     # We need to strip the ".d", but can leave the dirname.
  52     verbose [file rootname $t]
  53     run_dump_test [file rootname $t]
  54 }
  55
  56 set tmpdir tmpdir
  57 set SHCFLAG ""
  58
  59 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
  60
  61     # AIX shared libraries do not seem to support useful features,
  62     # like overriding the shared library function or letting the
  63     # shared library refer to objects defined in the main program.  We
  64     # avoid testing those features.
  65     set SHCFLAG "-DXCOFF_TEST"
  66
  67     # The AIX 3.2.5 loader appears to randomly fail when loading
  68     # shared libraries from NSF mounted partitions, so we avoid any
  69     # potential problems by using a local directory.
  70     catch {exec /bin/sh -c "echo $$"} pid
  71     set tmpdir /usr/tmp/ld.$pid
  72     catch "exec mkdir $tmpdir" exec_status
  73
  74     # On AIX, we need to explicitly export the symbols the shared
  75     # library is going to provide, and need.
  76     set file [open $tmpdir/xcoff.exp w]
  77     puts $file shlibvar1
  78     puts $file shlibvar2
  79     puts $file shlib_shlibvar1
  80     puts $file shlib_shlibvar2
  81     puts $file shlib_shlibcall
  82     puts $file shlib_shlibcalled
  83     puts $file shlib_checkfunptr1
  84     puts $file shlib_getfunptr1
  85     puts $file shlib_check
  86     close $file
  87 }
  88
  89 set support_protected "no"
  90
  91 if [istarget *-*-linux*] {
  92     if [ld_compile "$CC -g $CFLAGS -DPROTECTED_CHECK" $srcdir/$subdir/main.c $tmpdir/main.o] {
  93       if [ld_link $ld $tmpdir/main "$tmpdir/main.o"] {
  94         catch "exec $tmpdir/main" support_protected
  95       }
  96     }
  97 }
  98
  99 # The test procedure.
 100 proc visibility_test { visibility progname testname main sh1 sh2 dat args } {
 101     global ld
 102     global srcdir
 103     global subdir
 104     global exec_output
 105     global link_output
 106     global host_triplet
 107     global tmpdir
 108
 109     if [llength $args] { set shldflags [lindex $args 0] } else { set shldflags "" }
 110
 111     # Build the shared library.
 112     # On AIX, we need to use an export file.
 113     set shared -shared
 114     if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 115         set shared "-bM:SRE -bE:$tmpdir/xcoff.exp"
 116     }
 117     if {![ld_simple_link $ld $tmpdir/$progname.so "$shared $shldflags $tmpdir/$sh1 $tmpdir/$sh2"]} {
 118         if { [ string match $visibility "hidden_undef" ]
 119              && [regexp ".*/sh1.c.*: undefined reference to \`visibility\'" $link_output]
 120              && [regexp ".*/sh1.c.*: undefined reference to \`visibility_var\'" $link_output] } {
 121             pass "$testname"
 122         } else { if { [ string match $visibility "protected_undef" ]
 123              && [regexp ".*/sh1.c.*: undefined reference to \`visibility\'" $link_output]
 124              && [regexp ".*/sh1.c.*: undefined reference to \`visibility_var\'" $link_output] } {
 125             pass "$testname"
 126         } else {
 127             fail "$testname"
 128         }}
 129         return
 130     }
 131
 132     # Link against the shared library.  Use -rpath so that the
 133     # dynamic linker can locate the shared library at runtime.
 134     # On AIX, we must include /lib in -rpath, as otherwise the loader
 135     # can not find -lc.
 136     set rpath $tmpdir
 137     if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 138         set rpath /lib:$tmpdir
 139     }
 140     if ![ld_link $ld $tmpdir/$progname "-rpath $rpath $tmpdir/$main $tmpdir/$progname.so"] {
 141         if { [ string match $visibility "hidden" ]
 142              && [regexp ".*/main.c.*: undefined reference to \`visibility\'" $link_output]
 143              && [regexp ".*/main.c.*: undefined reference to \`visibility_var\'" $link_output] } {
 144             pass "$testname"
 145         } else { if { [ string match $visibility "hidden_undef_def" ]
 146              && [regexp ".*/main.c.*: undefined reference to \`visibility\'" $link_output]
 147              && [regexp ".*/main.c.*: undefined reference to \`visibility_var\'" $link_output] } {
 148             pass "$testname"
 149         } else {
 150             fail "$testname"
 151         }}
 152         return
 153     }
 154
 155     if { [ string match $visibility "hidden" ]
 156          || [ string match $visibility "hidden_undef" ]
 157          || [ string match $visibility "protected_undef" ] } {
 158         fail "$testname"
 159     }
 160
 161     # Run the resulting program
 162     send_log "$tmpdir/$progname >$tmpdir/$progname.out\n"
 163     verbose "$tmpdir/$progname >$tmpdir/$progname.out"
 164     catch "exec $tmpdir/$progname >$tmpdir/$progname.out" exec_output
 165     if ![string match "" $exec_output] then {
 166         send_log "$exec_output\n"
 167         verbose "$exec_output"
 168         fail "$testname"
 169         return
 170     }
 171
 172     send_log "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat\n"
 173     verbose "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat"
 174     catch "exec diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat" exec_output
 175     set exec_output [prune_warnings $exec_output]
 176
 177     if {![string match "" $exec_output]} then {
 178         send_log "$exec_output\n"
 179         verbose "$exec_output"
 180         fail "$testname"
 181         return
 182     }
 183
 184     pass "$testname"
 185 }
 186
 187 proc visibility_run {visibility} {
 188     global CC
 189     global CFLAGS
 190     global SHCFLAG
 191     global srcdir
 192     global subdir
 193     global tmpdir
 194     global picflag
 195     global target_triplet
 196     global support_protected
 197
 198     if [ string match $visibility "hidden" ] {
 199         set VSBCFLAG "-DHIDDEN_TEST"
 200     } else { if [ string match $visibility "hidden_normal" ] {
 201         set VSBCFLAG "-DHIDDEN_NORMAL_TEST"
 202     } else { if [ string match $visibility "hidden_undef" ] {
 203         set VSBCFLAG "-DHIDDEN_UNDEF_TEST"
 204     } else { if [ string match $visibility "hidden_undef_def" ] {
 205         set VSBCFLAG "-DHIDDEN_UNDEF_TEST -DDSO_DEFINE_TEST"
 206     } else { if [ string match $visibility "hidden_weak" ] {
 207         set VSBCFLAG "-DHIDDEN_WEAK_TEST"
 208     } else { if [ string match $visibility "protected" ] {
 209         set VSBCFLAG "-DPROTECTED_TEST"
 210     } else { if [ string match $visibility "protected_undef" ] {
 211         set VSBCFLAG "-DPROTECTED_UNDEF_TEST"
 212     } else { if [ string match $visibility "protected_undef_def" ] {
 213         set VSBCFLAG "-DPROTECTED_UNDEF_TEST -DDSO_DEFINE_TEST"
 214     } else { if [ string match $visibility "protected_weak" ] {
 215         set VSBCFLAG "-DPROTECTED_WEAK_TEST"
 216     } else {
 217         set VSBCFLAG ""
 218     }}}}}}}}}
 219
 220     # Compile the main program.
 221     if ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o] {
 222         unresolved "visibility ($visibility) (non PIC)"
 223         unresolved "visibility ($visibility)"
 224     } else {
 225         # The shared library is composed of two files.  First compile them
 226         # without using -fpic.  That should work on an ELF system,
 227         # although it will be less efficient because the dynamic linker
 228         # will need to do more relocation work.  However, note that not
 229         # using -fpic will cause some of the tests to return different
 230         # results.
 231         if { ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/sh1.c $tmpdir/sh1np.o]
 232              || ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/sh2.c $tmpdir/sh2np.o] } {
 233             unresolved "visibility ($visibility) (non PIC)"
 234         } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 235             visibility_test $visibility vnp "visibility ($visibility) (non PIC)" mainnp.o sh1np.o sh2np.o xcoff
 236         } else {
 237             # SunOS non PIC shared libraries don't permit some cases of
 238             # overriding.
 239             if { [ string match $visibility "protected" ]
 240                  || [ string match $visibility "protected_undef_def" ] } {
 241                 if [ string match $support_protected "no" ] {
 242                     setup_xfail $target_triplet
 243                 }
 244             } else {
 245                 setup_xfail "*-*-sunos4*"
 246             }
 247             if { [ string match $visibility "hidden_weak" ]
 248                  || [ string match $visibility "protected_weak" ] } {
 249                 setup_xfail "powerpc-*-linux*"
 250             }
 251
 252             # Non-pic code uses name binding rules for applications to
 253             # reference variables by gp-relative relocs, which can't be
 254             # used with overridable symbols.
 255             if { ![ string match $visibility "hidden_undef" ]
 256                  && ![ string match $visibility "protected_undef" ] } {
 257                 setup_xfail "ia64-*-linux*"
 258                 setup_xfail "alpha*-*-linux*"
 259             }
 260             setup_xfail "x86_64-*-linux*"
 261
 262             visibility_test $visibility vnp "visibility ($visibility) (non PIC)" mainnp.o sh1np.o sh2np.o elfvsb
 263
 264             # Test ELF shared library relocations with a non-zero load
 265             # address for the library.  Near as I can tell, the R_*_RELATIVE
 266             # relocations for various targets are broken in the case where
 267             # the load address is not zero (which is the default).
 268             if { [ string match $visibility "protected" ]
 269                  || [ string match $visibility "protected_undef_def" ] } {
 270                 if [ string match $support_protected "no" ] {
 271                     setup_xfail $target_triplet
 272                 }
 273             } else {
 274                 setup_xfail "*-*-sunos4*"
 275                 setup_xfail "*-*-linux*libc1"
 276             }
 277             if { [ string match $visibility "hidden_normal" ]
 278                  || [ string match $visibility "hidden_weak" ]
 279                  || [ string match $visibility "protected" ]
 280                  || [ string match $visibility "protected_undef_def" ]
 281                  || [ string match $visibility "protected_weak" ]
 282                  || [ string match $visibility "normal" ] } {
 283                 setup_xfail "powerpc-*-linux*"
 284             }
 285             if { ![ string match $visibility "hidden_undef" ]
 286                  && ![ string match $visibility "protected_undef" ] } {
 287                 setup_xfail "ia64-*-linux*"
 288                 setup_xfail "alpha*-*-linux*"
 289                 setup_xfail "mips*-*-linux*"
 290             }
 291             setup_xfail "x86_64-*-linux*"
 292             visibility_test $visibility vnp "visibility ($visibility) (non PIC, load offset)" \
 293                 mainnp.o sh1np.o sh2np.o elfvsb \
 294                 "-T $srcdir/$subdir/elf-offset.ld"
 295         } }
 296
 297         # Now compile the code using -fpic.
 298
 299         if { ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o]
 300             || ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG $picflag" $srcdir/$subdir/sh2.c $tmpdir/sh2p.o] } {
 301             unresolved "visibility ($visibility)"
 302         } else {
 303             if { [ string match $visibility "protected" ]
 304                  || [ string match $visibility "protected_undef_def" ] } {
 305                 if [ string match $support_protected "no" ] {
 306                     setup_xfail $target_triplet
 307                 }
 308             }
 309             # SunOS can not compare function pointers correctly
 310             if [istarget "*-*-sunos4*"] {
 311                 visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o sun4
 312             } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 313                 visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o xcoff
 314             } else {
 315                 visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o elfvsb
 316             } }
 317         }
 318     }
 319
 320     # Now do the same tests again, but this time compile main.c PIC.
 321     if ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG $picflag" $srcdir/$subdir/main.c $tmpdir/mainp.o] {
 322         unresolved "visibility ($visibility) (PIC main, non PIC so)"
 323         unresolved "visibility ($visibility) (PIC main)"
 324     } else {
 325         if { [file exists $tmpdir/sh1np.o ] && [ file exists $tmpdir/sh2np.o ] } {
 326             if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 327                 visibility_test $visibility vmpnp "visibility ($visibility) (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o xcoff
 328             } else {
 329                 # SunOS non PIC shared libraries don't permit some cases of
 330                 # overriding.
 331                 if { [ string match $visibility "protected" ]
 332                      || [ string match $visibility "protected_undef_def" ] } {
 333                     if [ string match $support_protected "no" ] {
 334                         setup_xfail $target_triplet
 335                     }
 336                 } else {
 337                     setup_xfail "*-*-sunos4*"
 338                 }
 339                 if { [ string match $visibility "hidden_weak" ]
 340                      || [ string match $visibility "protected_weak" ] } {
 341                     setup_xfail "powerpc-*-linux*"
 342                 }
 343                 if { ![ string match $visibility "hidden_undef" ]
 344                      && ![ string match $visibility "protected_undef" ] } {
 345                     setup_xfail "ia64-*-linux*"
 346                     setup_xfail "alpha*-*-linux*"
 347                 }
 348                 setup_xfail "x86_64-*-linux*"
 349                 visibility_test $visibility vmpnp "visibility ($visibility) (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o elfvsb
 350             }
 351         } else {
 352             unresolved "visibility (PIC main, non PIC so)"
 353         }
 354
 355         if { [file exists $tmpdir/sh1p.o ] && [ file exists $tmpdir/sh2p.o ] } {
 356             if { [ string match $visibility "protected" ]
 357                  || [ string match $visibility "protected_undef_def" ] } {
 358                 if [ string match $support_protected "no" ] {
 359                     setup_xfail $target_triplet
 360                 }
 361             }
 362             if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 363                 visibility_test $visibility vmpp "visibility ($visibility) (PIC main)" mainp.o sh1p.o sh2p.o xcoff
 364             } else {
 365                 visibility_test $visibility vmpp "visibility ($visibility) (PIC main)" mainp.o sh1p.o sh2p.o elfvsb
 366             }
 367         } else {
 368             unresolved "visibility ($visibility) (PIC main)"
 369         }
 370     }
 371 }
 372
 373 if [istarget mips*-*-*] {
 374     set picflag ""
 375 } else {
 376     # Unfortunately, the gcc argument is -fpic and the cc argument is
 377     # -KPIC.  We have to try both.
 378     set picflag "-fpic"
 379     send_log "$CC $picflag\n"
 380     verbose "$CC $picflag"
 381     catch "exec $CC $picflag" exec_output
 382     send_log "$exec_output\n"
 383     verbose "--" "$exec_output"
 384     if { [string match "*illegal option*" $exec_output] \
 385          || [string match "*option ignored*" $exec_output] \
 386          || [string match "*unrecognized option*" $exec_output] \
 387          || [string match "*passed to ld*" $exec_output] } {
 388         if [istarget *-*-sunos4*] {
 389             set picflag "-pic"
 390         } else {
 391             set picflag "-KPIC"
 392         }
 393     }
 394 }
 395 verbose "Using $picflag to compile PIC code"
 396
 397 visibility_run hidden
 398 visibility_run hidden_normal
 399 visibility_run hidden_undef
 400 visibility_run hidden_undef_def
 401 visibility_run hidden_weak
 402 visibility_run protected
 403 visibility_run protected_undef
 404 visibility_run protected_undef_def
 405 visibility_run protected_weak
 406 visibility_run normal
 407
 408 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 409     # Remove the temporary directory.
 410     catch "exec rm -rf $tmpdir" exec_status
 411 }