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 on a couple of ELF platforms.
  25 # Square bracket expressions seem to confuse istarget.
  26 if { ![istarget hppa*64*-*-hpux*] \
  27      && ![istarget hppa*-*-linux*] \
  28      && ![istarget i?86-*-linux*] \
  29      && ![istarget ia64-*-linux*] \
  30      && ![istarget m68k-*-linux*] \
  31      && ![istarget mips*-*-linux*] \
  32      && ![istarget powerpc*-*-linux*] \
  33      && ![istarget arm*-*-linux*] \
  34      && ![istarget alpha*-*-linux*] \
  35      && ![istarget sparc*-*-linux*] \
  36      && ![istarget s390*-*-linux*] \
  37      && ![istarget sh\[34\]*-*-linux*] \
  38      && ![istarget x86_64-*-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 # The remaining tests can only be run if ld generates native executables.
  55 if ![isnative] then {return}
  56
  57 set tmpdir tmpdir
  58 set SHCFLAG ""
  59
  60 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
  61
  62     # AIX shared libraries do not seem to support useful features,
  63     # like overriding the shared library function or letting the
  64     # shared library refer to objects defined in the main program.  We
  65     # avoid testing those features.
  66     set SHCFLAG "-DXCOFF_TEST"
  67
  68     # The AIX 3.2.5 loader appears to randomly fail when loading
  69     # shared libraries from NSF mounted partitions, so we avoid any
  70     # potential problems by using a local directory.
  71     catch {exec /bin/sh -c "echo $$"} pid
  72     set tmpdir /usr/tmp/ld.$pid
  73     catch "exec mkdir $tmpdir" exec_status
  74
  75     # On AIX, we need to explicitly export the symbols the shared
  76     # library is going to provide, and need.
  77     set file [open $tmpdir/xcoff.exp w]
  78     puts $file shlibvar1
  79     puts $file shlibvar2
  80     puts $file shlib_shlibvar1
  81     puts $file shlib_shlibvar2
  82     puts $file shlib_shlibcall
  83     puts $file shlib_shlibcalled
  84     puts $file shlib_checkfunptr1
  85     puts $file shlib_getfunptr1
  86     puts $file shlib_check
  87     close $file
  88 }
  89
  90 set support_protected "no"
  91
  92 if [istarget *-*-linux*] {
  93     if [ld_compile "$CC -g $CFLAGS -DPROTECTED_CHECK" $srcdir/$subdir/main.c $tmpdir/main.o] {
  94       if [ld_simple_link $CC $tmpdir/main "$tmpdir/main.o"] {
  95         catch "exec $tmpdir/main" support_protected
  96       }
  97     }
  98 }
  99
 100 # The test procedure.
 101 proc visibility_test { visibility progname testname main sh1 sh2 dat args } {
 102     global CC
 103     global srcdir
 104     global subdir
 105     global exec_output
 106     global link_output
 107     global host_triplet
 108     global tmpdir
 109
 110     if [llength $args] { set shldflags [lindex $args 0] } else { set shldflags "" }
 111
 112     # Build the shared library.
 113     # On AIX, we need to use an export file.
 114     set shared -shared
 115     if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 116         set shared "-bM:SRE -bE:$tmpdir/xcoff.exp"
 117     }
 118     if {![ld_simple_link $CC $tmpdir/$progname.so "$shared $shldflags $tmpdir/$sh1 $tmpdir/$sh2"]} {
 119         if { [ string match $visibility "hidden_undef" ]
 120              && [regexp ".*/sh1.c.*: undefined reference to \`visibility\'" $link_output]
 121              && [regexp ".*/sh1.c.*: undefined reference to \`visibility_var\'" $link_output] } {
 122             pass "$testname"
 123         } else { if { [ string match $visibility "protected_undef" ]
 124              && [regexp ".*/sh1.c.*: undefined reference to \`visibility\'" $link_output]
 125              && [regexp ".*/sh1.c.*: undefined reference to \`visibility_var\'" $link_output] } {
 126             pass "$testname"
 127         } else {
 128             fail "$testname"
 129         }}
 130         return
 131     }
 132
 133     # Link against the shared library.  Use -rpath so that the
 134     # dynamic linker can locate the shared library at runtime.
 135     # On AIX, we must include /lib in -rpath, as otherwise the loader
 136     # can not find -lc.
 137     set rpath $tmpdir
 138     if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 139         set rpath /lib:$tmpdir
 140     }
 141     if ![ld_simple_link $CC $tmpdir/$progname "-Wl,-rpath,$rpath $tmpdir/$main $tmpdir/$progname.so"] {
 142         if { [ string match $visibility "hidden" ]
 143              && [regexp ".*/main.c.*: undefined reference to \`visibility\'" $link_output]
 144              && [regexp ".*/main.c.*: undefined reference to \`visibility_var\'" $link_output] } {
 145             pass "$testname"
 146         } else { if { [ string match $visibility "hidden_undef_def" ]
 147              && [regexp ".*/main.c.*: undefined reference to \`visibility\'" $link_output]
 148              && [regexp ".*/main.c.*: undefined reference to \`visibility_def\'" $link_output]
 149              && [regexp ".*/main.c.*: undefined reference to \`visibility_func\'" $link_output]
 150              && [regexp ".*/main.c.*: undefined reference to \`visibility_var\'" $link_output] } {
 151             pass "$testname"
 152         } else {
 153             fail "$testname"
 154         }}
 155         return
 156     }
 157
 158     if { [ string match $visibility "hidden" ]
 159          || [ string match $visibility "hidden_undef" ]
 160          || [ string match $visibility "protected_undef" ] } {
 161         fail "$testname"
 162     }
 163
 164     # Run the resulting program
 165     send_log "$tmpdir/$progname >$tmpdir/$progname.out\n"
 166     verbose "$tmpdir/$progname >$tmpdir/$progname.out"
 167     catch "exec $tmpdir/$progname >$tmpdir/$progname.out" exec_output
 168     if ![string match "" $exec_output] then {
 169         send_log "$exec_output\n"
 170         verbose "$exec_output"
 171         fail "$testname"
 172         return
 173     }
 174
 175     send_log "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat\n"
 176     verbose "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat"
 177     catch "exec diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat" exec_output
 178     set exec_output [prune_warnings $exec_output]
 179
 180     if {![string match "" $exec_output]} then {
 181         send_log "$exec_output\n"
 182         verbose "$exec_output"
 183         fail "$testname"
 184         return
 185     }
 186
 187     pass "$testname"
 188 }
 189
 190 proc visibility_run {visibility} {
 191     global CC
 192     global CFLAGS
 193     global SHCFLAG
 194     global srcdir
 195     global subdir
 196     global tmpdir
 197     global picflag
 198     global target_triplet
 199     global support_protected
 200
 201     if [ string match $visibility "hidden" ] {
 202         set VSBCFLAG "-DHIDDEN_TEST"
 203     } else { if [ string match $visibility "hidden_normal" ] {
 204         set VSBCFLAG "-DHIDDEN_NORMAL_TEST"
 205     } else { if [ string match $visibility "hidden_undef" ] {
 206         set VSBCFLAG "-DHIDDEN_UNDEF_TEST"
 207     } else { if [ string match $visibility "hidden_undef_def" ] {
 208         set VSBCFLAG "-DHIDDEN_UNDEF_TEST -DDSO_DEFINE_TEST"
 209     } else { if [ string match $visibility "hidden_weak" ] {
 210         set VSBCFLAG "-DHIDDEN_WEAK_TEST"
 211     } else { if [ string match $visibility "protected" ] {
 212         set VSBCFLAG "-DPROTECTED_TEST"
 213     } else { if [ string match $visibility "protected_undef" ] {
 214         set VSBCFLAG "-DPROTECTED_UNDEF_TEST"
 215     } else { if [ string match $visibility "protected_undef_def" ] {
 216         set VSBCFLAG "-DPROTECTED_UNDEF_TEST -DDSO_DEFINE_TEST"
 217     } else { if [ string match $visibility "protected_weak" ] {
 218         set VSBCFLAG "-DPROTECTED_WEAK_TEST"
 219     } else {
 220         set VSBCFLAG ""
 221     }}}}}}}}}
 222
 223     # Compile the main program.
 224     if ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o] {
 225         unresolved "visibility ($visibility) (non PIC)"
 226         unresolved "visibility ($visibility)"
 227     } else {
 228         # The shared library is composed of two files.  First compile them
 229         # without using -fpic.  That should work on an ELF system,
 230         # although it will be less efficient because the dynamic linker
 231         # will need to do more relocation work.  However, note that not
 232         # using -fpic will cause some of the tests to return different
 233         # results.
 234         if { ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/sh1.c $tmpdir/sh1np.o]
 235              || ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/sh2.c $tmpdir/sh2np.o] } {
 236             unresolved "visibility ($visibility) (non PIC)"
 237         } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 238             visibility_test $visibility vnp "visibility ($visibility) (non PIC)" mainnp.o sh1np.o sh2np.o xcoff
 239         } else {
 240             # SunOS non PIC shared libraries don't permit some cases of
 241             # overriding.
 242             if { [ string match $visibility "protected" ]
 243                  || [ string match $visibility "protected_undef_def" ] } {
 244                 if [ string match $support_protected "no" ] {
 245                     setup_xfail $target_triplet
 246                 }
 247             } else {
 248                 setup_xfail "*-*-sunos4*"
 249             }
 250
 251             # Non-pic code uses name binding rules for applications to
 252             # reference variables by gp-relative relocs, which can't be
 253             # used with overridable symbols.
 254             if { ![ string match $visibility "hidden_undef" ]
 255                  && ![ string match $visibility "protected_undef" ] } {
 256                 setup_xfail "ia64-*-linux*"
 257                 setup_xfail "alpha*-*-linux*"
 258             }
 259             if { ![ string match $visibility "hidden" ]
 260                  && ![ string match $visibility "hidden_undef" ]
 261                  && ![ string match $visibility "hidden_undef_def" ]
 262                  && ![ string match $visibility "protected_undef" ] } {
 263                 setup_xfail "s390x-*-linux*"
 264             }
 265             setup_xfail "x86_64-*-linux*"
 266
 267             visibility_test $visibility vnp "visibility ($visibility) (non PIC)" mainnp.o sh1np.o sh2np.o elfvsb
 268
 269             # Test ELF shared library relocations with a non-zero load
 270             # address for the library.  Near as I can tell, the R_*_RELATIVE
 271             # relocations for various targets are broken in the case where
 272             # the load address is not zero (which is the default).
 273             if { [ string match $visibility "protected" ]
 274                  || [ string match $visibility "protected_undef_def" ] } {
 275                 if [ string match $support_protected "no" ] {
 276                     setup_xfail $target_triplet
 277                 }
 278             } else {
 279                 setup_xfail "*-*-sunos4*"
 280                 setup_xfail "*-*-linux*libc1"
 281             }
 282             if { [ string match $visibility "hidden_normal" ]
 283                  || [ string match $visibility "hidden_weak" ]
 284                  || [ string match $visibility "protected" ]
 285                  || [ string match $visibility "protected_undef_def" ]
 286                  || [ string match $visibility "protected_weak" ]
 287                  || [ string match $visibility "normal" ] } {
 288                 setup_xfail "powerpc-*-linux*"
 289             }
 290             if { ![ string match $visibility "hidden_undef" ]
 291                  && ![ string match $visibility "protected_undef" ] } {
 292                 setup_xfail "ia64-*-linux*"
 293                 setup_xfail "alpha*-*-linux*"
 294                 setup_xfail "mips*-*-linux*"
 295             }
 296             setup_xfail "x86_64-*-linux*"
 297             visibility_test $visibility vnp "visibility ($visibility) (non PIC, load offset)" \
 298                 mainnp.o sh1np.o sh2np.o elfvsb \
 299                 "-T $srcdir/$subdir/elf-offset.ld"
 300         } }
 301
 302         # Now compile the code using -fpic.
 303
 304         if { ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o]
 305             || ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG $picflag" $srcdir/$subdir/sh2.c $tmpdir/sh2p.o] } {
 306             unresolved "visibility ($visibility)"
 307         } else {
 308             if { [ string match $visibility "protected" ]
 309                  || [ string match $visibility "protected_undef_def" ] } {
 310                 if [ string match $support_protected "no" ] {
 311                     setup_xfail $target_triplet
 312                 }
 313             }
 314             # SunOS can not compare function pointers correctly
 315             if [istarget "*-*-sunos4*"] {
 316                 visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o sun4
 317             } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 318                 visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o xcoff
 319             } else {
 320                 visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o elfvsb
 321             } }
 322         }
 323     }
 324
 325     # Now do the same tests again, but this time compile main.c PIC.
 326     if ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG $picflag" $srcdir/$subdir/main.c $tmpdir/mainp.o] {
 327         unresolved "visibility ($visibility) (PIC main, non PIC so)"
 328         unresolved "visibility ($visibility) (PIC main)"
 329     } else {
 330         if { [file exists $tmpdir/sh1np.o ] && [ file exists $tmpdir/sh2np.o ] } {
 331             if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 332                 visibility_test $visibility vmpnp "visibility ($visibility) (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o xcoff
 333             } else {
 334                 # SunOS non PIC shared libraries don't permit some cases of
 335                 # overriding.
 336                 if { [ string match $visibility "protected" ]
 337                      || [ string match $visibility "protected_undef_def" ] } {
 338                     if [ string match $support_protected "no" ] {
 339                         setup_xfail $target_triplet
 340                     }
 341                 } else {
 342                     setup_xfail "*-*-sunos4*"
 343                 }
 344                 if { ![ string match $visibility "hidden_undef" ]
 345                      && ![ string match $visibility "protected_undef" ] } {
 346                     setup_xfail "ia64-*-linux*"
 347                     setup_xfail "alpha*-*-linux*"
 348                 }
 349                 if { ![ string match $visibility "hidden" ]
 350                      && ![ string match $visibility "hidden_undef" ]
 351                      && ![ string match $visibility "hidden_undef_def" ]
 352                      && ![ string match $visibility "protected_undef" ] } {
 353                     setup_xfail "s390x-*-linux*"
 354                 }
 355                 setup_xfail "x86_64-*-linux*"
 356                 visibility_test $visibility vmpnp "visibility ($visibility) (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o elfvsb
 357             }
 358         } else {
 359             unresolved "visibility (PIC main, non PIC so)"
 360         }
 361
 362         if { [file exists $tmpdir/sh1p.o ] && [ file exists $tmpdir/sh2p.o ] } {
 363             if { [ string match $visibility "protected" ]
 364                  || [ string match $visibility "protected_undef_def" ] } {
 365                 if [ string match $support_protected "no" ] {
 366                     setup_xfail $target_triplet
 367                 }
 368             }
 369             if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 370                 visibility_test $visibility vmpp "visibility ($visibility) (PIC main)" mainp.o sh1p.o sh2p.o xcoff
 371             } else {
 372                 visibility_test $visibility vmpp "visibility ($visibility) (PIC main)" mainp.o sh1p.o sh2p.o elfvsb
 373             }
 374         } else {
 375             unresolved "visibility ($visibility) (PIC main)"
 376         }
 377     }
 378 }
 379
 380 if [istarget mips*-*-*] {
 381     set picflag ""
 382 } else {
 383     # Unfortunately, the gcc argument is -fpic and the cc argument is
 384     # -KPIC.  We have to try both.
 385     set picflag "-fpic"
 386     send_log "$CC $picflag\n"
 387     verbose "$CC $picflag"
 388     catch "exec $CC $picflag" exec_output
 389     send_log "$exec_output\n"
 390     verbose "--" "$exec_output"
 391     if { [string match "*illegal option*" $exec_output] \
 392          || [string match "*option ignored*" $exec_output] \
 393          || [string match "*unrecognized option*" $exec_output] \
 394          || [string match "*passed to ld*" $exec_output] } {
 395         if [istarget *-*-sunos4*] {
 396             set picflag "-pic"
 397         } else {
 398             set picflag "-KPIC"
 399         }
 400     }
 401 }
 402 verbose "Using $picflag to compile PIC code"
 403
 404 visibility_run hidden
 405 visibility_run hidden_normal
 406 visibility_run hidden_undef
 407 visibility_run hidden_undef_def
 408 visibility_run hidden_weak
 409 visibility_run protected
 410 visibility_run protected_undef
 411 visibility_run protected_undef_def
 412 visibility_run protected_weak
 413 visibility_run normal
 414
 415 if { ![ld_compile "$CC -g $CFLAGS" $srcdir/$subdir/common.c tmpdir/common.o] } {
 416     unresolved "common hidden symbol"
 417 } else {
 418     if ![ld_simple_link $ld tmpdir/common "tmpdir/common.o"] {
 419         fail "common hidden symbol"
 420     } else {
 421         pass "common hidden symbol"
 422     }
 423 }
 424
 425 if { ![ld_compile "$CC -g $CFLAGS" $srcdir/$subdir/test.c tmpdir/test.o] } {
 426     unresolved "weak hidden symbol"
 427 } else {
 428    if { ![ld_compile "$CC -g $CFLAGS $picflag" $srcdir/$subdir/sh3.c tmpdir/sh3.o] } {
 429         unresolved "weak hidden symbol"
 430     } else {
 431         if ![ld_simple_link $ld tmpdir/sh3.so "-shared tmpdir/sh3.o"] {
 432             fail "weak hidden symbol"
 433         } else {
 434             if ![ld_simple_link $ld tmpdir/weak "tmpdir/test.o tmpdir/sh3.o"] {
 435                 fail "weak hidden symbol DSO last"
 436             } else {
 437                 pass "weak hidden symbol DSO last"
 438             }
 439             if ![ld_simple_link $ld tmpdir/weak "tmpdir/sh3.so tmpdir/test.o"] {
 440                 fail "weak hidden symbol DSO first"
 441             } else {
 442                 pass "weak hidden symbol DSO first"
 443             }
 444         }
 445     }
 446 }
 447
 448 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 449     # Remove the temporary directory.
 450     catch "exec rm -rf $tmpdir" exec_status
 451 }