ld/testsuite/ld-elfvsb/elfvsb.exp

   1 # Expect script for ld-visibility tests
   2 #   Copyright (C) 2000 Free Software Foundation
   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 i386-*-linux*] \
  30      && ![istarget i486-*-linux*] \
  31      && ![istarget i586-*-linux*] \
  32      && ![istarget i686-*-linux*] \
  33      && ![istarget m68k-*-linux*] \
  34      && ![istarget powerpc-*-linux*] \
  35      && ![istarget sparc*-*-linux*] } {
  36     return
  37 }
  38
  39 if { [istarget *-*-linux*aout*] \
  40      || [istarget *-*-linux*oldld*] } {
  41     return
  42 }
  43
  44 set tmpdir tmpdir
  45 set SHCFLAG ""
  46
  47 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
  48
  49     # AIX shared libraries do not seem to support useful features,
  50     # like overriding the shared library function or letting the
  51     # shared library refer to objects defined in the main program.  We
  52     # avoid testing those features.
  53     set SHCFLAG "-DXCOFF_TEST"
  54
  55     # The AIX 3.2.5 loader appears to randomly fail when loading
  56     # shared libraries from NSF mounted partitions, so we avoid any
  57     # potential problems by using a local directory.
  58     catch {exec /bin/sh -c "echo $$"} pid
  59     set tmpdir /usr/tmp/ld.$pid
  60     catch "exec mkdir $tmpdir" exec_status
  61
  62     # On AIX, we need to explicitly export the symbols the shared
  63     # library is going to provide, and need.
  64     set file [open $tmpdir/xcoff.exp w]
  65     puts $file shlibvar1
  66     puts $file shlibvar2
  67     puts $file shlib_shlibvar1
  68     puts $file shlib_shlibvar2
  69     puts $file shlib_shlibcall
  70     puts $file shlib_shlibcalled
  71     puts $file shlib_checkfunptr1
  72     puts $file shlib_getfunptr1
  73     puts $file shlib_check
  74     close $file
  75 }
  76
  77 set support_protected "no"
  78
  79 if [istarget *-*-linux*] {
  80     if [ld_compile "$CC -g $CFLAGS -DPROTECTED_CHECK" $srcdir/$subdir/main.c $tmpdir/main.o] {
  81       if [ld_link $ld $tmpdir/main "$tmpdir/main.o"] {
  82         catch "exec $tmpdir/main" support_protected
  83       }
  84     }
  85 }
  86
  87 # The test procedure.
  88 proc visibility_test { visibility progname testname main sh1 sh2 dat args } {
  89     global ld
  90     global srcdir
  91     global subdir
  92     global exec_output
  93     global link_output
  94     global host_triplet
  95     global tmpdir
  96
  97     if [llength $args] { set shldflags [lindex $args 0] } else { set shldflags "" }
  98
  99     # Build the shared library.
 100     # On AIX, we need to use an export file.
 101     set shared -shared
 102     if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 103         set shared "-bM:SRE -bE:$tmpdir/xcoff.exp"
 104     }
 105     if {![ld_simple_link $ld $tmpdir/$progname.so "$shared $shldflags $tmpdir/$sh1 $tmpdir/$sh2"]} {
 106         if { [ string match $visibility "hidden_undef" ]
 107              && [regexp ".*/sh1.c.*: undefined reference to \`visibility\'" $link_output]
 108              && [regexp ".*/sh1.c.*: undefined reference to \`visibility_var\'" $link_output] } {
 109             pass "$testname"
 110         } else { if { [ string match $visibility "protected_undef" ]
 111              && [regexp ".*/sh1.c.*: undefined reference to \`visibility\'" $link_output]
 112              && [regexp ".*/sh1.c.*: undefined reference to \`visibility_var\'" $link_output] } {
 113             pass "$testname"
 114         } else {
 115             fail "$testname"
 116         }}
 117         return
 118     }
 119
 120     # Link against the shared library.  Use -rpath so that the
 121     # dynamic linker can locate the shared library at runtime.
 122     # On AIX, we must include /lib in -rpath, as otherwise the loader
 123     # can not find -lc.
 124     set rpath $tmpdir
 125     if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 126         set rpath /lib:$tmpdir
 127     }
 128     if ![ld_link $ld $tmpdir/$progname "-rpath $rpath $tmpdir/$main $tmpdir/$progname.so"] {
 129         if { [ string match $visibility "hidden" ]
 130              && [regexp ".*/main.c.*: undefined reference to \`visibility\'" $link_output]
 131              && [regexp ".*/main.c.*: undefined reference to \`visibility_var\'" $link_output] } {
 132             pass "$testname"
 133         } else { if { [ string match $visibility "hidden_undef_def" ]
 134              && [regexp ".*/main.c.*: undefined reference to \`visibility\'" $link_output]
 135              && [regexp ".*/main.c.*: undefined reference to \`visibility_var\'" $link_output] } {
 136             pass "$testname"
 137         } else {
 138             fail "$testname"
 139         }}
 140         return
 141     }
 142
 143     if { [ string match $visibility "hidden" ]
 144          || [ string match $visibility "hidden_undef" ]
 145          || [ string match $visibility "protected_undef" ] } {
 146         fail "$testname"
 147     }
 148
 149     # Run the resulting program
 150     send_log "$tmpdir/$progname >$tmpdir/$progname.out\n"
 151     verbose "$tmpdir/$progname >$tmpdir/$progname.out"
 152     catch "exec $tmpdir/$progname >$tmpdir/$progname.out" exec_output
 153     if ![string match "" $exec_output] then {
 154         send_log "$exec_output\n"
 155         verbose "$exec_output"
 156         fail "$testname"
 157         return
 158     }
 159
 160     send_log "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat\n"
 161     verbose "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat"
 162     catch "exec diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat" exec_output
 163     set exec_output [prune_warnings $exec_output]
 164
 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     pass "$testname"
 173 }
 174
 175 proc visibility_run {visibility} {
 176     global CC
 177     global CFLAGS
 178     global SHCFLAG
 179     global srcdir
 180     global subdir
 181     global tmpdir
 182     global picflag
 183     global target_triplet
 184     global support_protected
 185
 186     if [ string match $visibility "hidden" ] {
 187         set VSBCFLAG "-DHIDDEN_TEST"
 188     } else { if [ string match $visibility "hidden_normal" ] {
 189         set VSBCFLAG "-DHIDDEN_NORMAL_TEST"
 190     } else { if [ string match $visibility "hidden_undef" ] {
 191         set VSBCFLAG "-DHIDDEN_UNDEF_TEST"
 192     } else { if [ string match $visibility "hidden_undef_def" ] {
 193         set VSBCFLAG "-DHIDDEN_UNDEF_TEST -DDSO_DEFINE_TEST"
 194     } else { if [ string match $visibility "hidden_weak" ] {
 195         set VSBCFLAG "-DHIDDEN_WEAK_TEST"
 196     } else { if [ string match $visibility "protected" ] {
 197         set VSBCFLAG "-DPROTECTED_TEST"
 198     } else { if [ string match $visibility "protected_undef" ] {
 199         set VSBCFLAG "-DPROTECTED_UNDEF_TEST"
 200     } else { if [ string match $visibility "protected_undef_def" ] {
 201         set VSBCFLAG "-DPROTECTED_UNDEF_TEST -DDSO_DEFINE_TEST"
 202     } else { if [ string match $visibility "protected_weak" ] {
 203         set VSBCFLAG "-DPROTECTED_WEAK_TEST"
 204     } else {
 205         set VSBCFLAG ""
 206     }}}}}}}}}
 207
 208     # Compile the main program.
 209     if ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o] {
 210         unresolved "visibility ($visibility) (non PIC)"
 211         unresolved "visibility ($visibility)"
 212     } else {
 213         # The shared library is composed of two files.  First compile them
 214         # without using -fpic.  That should work on an ELF system,
 215         # although it will be less efficient because the dynamic linker
 216         # will need to do more relocation work.  However, note that not
 217         # using -fpic will cause some of the tests to return different
 218         # results.
 219         if { ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/sh1.c $tmpdir/sh1np.o]
 220              || ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/sh2.c $tmpdir/sh2np.o] } {
 221             unresolved "visibility ($visibility) (non PIC)"
 222         } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 223             visibility_test $visibility vnp "visibility ($visibility) (nonPIC)" mainnp.o sh1np.o sh2np.o xcoff
 224         } else {
 225             # SunOS non PIC shared libraries don't permit some cases of
 226             # overriding.
 227             if { [ string match $visibility "protected" ]
 228                  || [ string match $visibility "protected_undef_def" ] } {
 229                 if [ string match $support_protected "no" ] {
 230                     setup_xfail $target_triplet
 231                 }
 232             } else {
 233                 setup_xfail "*-*-sunos4*"
 234             }
 235             if { [ string match $visibility "hidden_weak" ]
 236                  || [ string match $visibility "protected_weak" ] } {
 237                 setup_xfail "powerpc-*-linux*"
 238             }
 239             visibility_test $visibility vnp "visibility ($visibility) (non PIC)" mainnp.o sh1np.o sh2np.o elfvsb
 240
 241             # Test ELF shared library relocations with a non-zero load
 242             # address for the library.  Near as I can tell, the R_*_RELATIVE
 243             # relocations for various targets are broken in the case where
 244             # the load address is not zero (which is the default).
 245             if { [ string match $visibility "protected" ]
 246                  || [ string match $visibility "protected_undef_def" ] } {
 247                 if [ string match $support_protected "no" ] {
 248                     setup_xfail $target_triplet
 249                 }
 250             } else {
 251                 setup_xfail "*-*-sunos4*"
 252                 setup_xfail "*-*-linux*libc1"
 253             }
 254             if { [ string match $visibility "hidden_normal" ]
 255                  || [ string match $visibility "hidden_weak" ]
 256                  || [ string match $visibility "protected" ]
 257                  || [ string match $visibility "protected_undef_def" ]
 258                  || [ string match $visibility "protected_weak" ]
 259                  || [ string match $visibility "normal" ] } {
 260                 setup_xfail "powerpc-*-linux*"
 261             }
 262             visibility_test $visibility vnp "visibility ($visibility) (non PIC, load offset)" \
 263                 mainnp.o sh1np.o sh2np.o elfvsb \
 264                 "-T $srcdir/$subdir/elf-offset.ld"
 265         } }
 266
 267         # Now compile the code using -fpic.
 268
 269         if { ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o]
 270             || ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG $picflag" $srcdir/$subdir/sh2.c $tmpdir/sh2p.o] } {
 271             unresolved "visibility ($visibility)"
 272         } else {
 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             }
 279             # SunOS can not compare function pointers correctly
 280             if [istarget "*-*-sunos4*"] {
 281                 visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o sun4
 282             } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 283                 visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o xcoff
 284             } else {
 285                 visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o elfvsb
 286             } }
 287         }
 288     }
 289
 290     # Now do the same tests again, but this time compile main.c PIC.
 291     if ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG $picflag" $srcdir/$subdir/main.c $tmpdir/mainp.o] {
 292         unresolved "visibility ($visibility) (PIC main, non PIC so)"
 293         unresolved "visibility ($visibility) (PIC main)"
 294     } else {
 295         if { [file exists $tmpdir/sh1np.o ] && [ file exists $tmpdir/sh2np.o ] } {
 296             if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 297                 visibility_test $visibility vmpnp "visibility ($visibility) (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o xcoff
 298             } else {
 299                 # SunOS non PIC shared libraries don't permit some cases of
 300                 # overriding.
 301                 if { [ string match $visibility "protected" ]
 302                      || [ string match $visibility "protected_undef_def" ] } {
 303                     if [ string match $support_protected "no" ] {
 304                         setup_xfail $target_triplet
 305                     }
 306                 } else {
 307                     setup_xfail "*-*-sunos4*"
 308                 }
 309                 if { [ string match $visibility "hidden_weak" ]
 310                      || [ string match $visibility "protected_weak" ] } {
 311                     setup_xfail "powerpc-*-linux*"
 312                 }
 313                 visibility_test $visibility vmpnp "visibility ($visibility) (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o elfvsb
 314             }
 315         } else {
 316             unresolved "visibility (PIC main, non PIC so)"
 317         }
 318
 319         if { [file exists $tmpdir/sh1p.o ] && [ file exists $tmpdir/sh2p.o ] } {
 320             if { [ string match $visibility "protected" ]
 321                  || [ string match $visibility "protected_undef_def" ] } {
 322                 if [ string match $support_protected "no" ] {
 323                     setup_xfail $target_triplet
 324                 }
 325             }
 326             if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 327                 visibility_test $visibility vmpp "visibility ($visibility) (PIC main)" mainp.o sh1p.o sh2p.o xcoff
 328             } else {
 329                 visibility_test $visibility vmpp "visibility ($visibility) (PIC main)" mainp.o sh1p.o sh2p.o elfvsb
 330             }
 331         } else {
 332             unresolved "visibility ($visibility) (PIC main)"
 333         }
 334     }
 335 }
 336
 337 if [istarget mips*-*-*] {
 338     set picflag ""
 339 } else {
 340     # Unfortunately, the gcc argument is -fpic and the cc argument is
 341     # -KPIC.  We have to try both.
 342     set picflag "-fpic"
 343     send_log "$CC $picflag\n"
 344     verbose "$CC $picflag"
 345     catch "exec $CC $picflag" exec_output
 346     send_log "$exec_output\n"
 347     verbose "--" "$exec_output"
 348     if { [string match "*illegal option*" $exec_output] \
 349          || [string match "*option ignored*" $exec_output] \
 350          || [string match "*unrecognized option*" $exec_output] \
 351          || [string match "*passed to ld*" $exec_output] } {
 352         if [istarget *-*-sunos4*] {
 353             set picflag "-pic"
 354         } else {
 355             set picflag "-KPIC"
 356         }
 357     }
 358 }
 359 verbose "Using $picflag to compile PIC code"
 360
 361 visibility_run hidden
 362 visibility_run hidden_normal
 363 visibility_run hidden_undef
 364 visibility_run hidden_undef_def
 365 visibility_run hidden_weak
 366 visibility_run protected
 367 visibility_run protected_undef
 368 visibility_run protected_undef_def
 369 visibility_run protected_weak
 370 visibility_run normal
 371
 372 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 373     # Remove the temporary directory.
 374     catch "exec rm -rf $tmpdir" exec_status
 375 }