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 # The test procedure.
  78 proc visibility_test { visibility progname testname main sh1 sh2 dat args } {
  79     global ld
  80     global srcdir
  81     global subdir
  82     global exec_output
  83     global link_output
  84     global host_triplet
  85     global tmpdir
  86
  87     if [llength $args] { set shldflags [lindex $args 0] } else { set shldflags "" }
  88
  89     # Build the shared library.
  90     # On AIX, we need to use an export file.
  91     set shared -shared
  92     if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
  93         set shared "-bM:SRE -bE:$tmpdir/xcoff.exp"
  94     }
  95     if {![ld_simple_link $ld $tmpdir/$progname.so "$shared $shldflags $tmpdir/$sh1 $tmpdir/$sh2"]} {
  96         if { [ string match $visibility "hidden_undef" ]
  97              && [regexp ".*/sh1.c.*: undefined reference to \`visibility\'" $link_output]
  98              && [regexp ".*/sh1.c.*: undefined reference to \`visibility_var\'" $link_output] } {
  99             pass "$testname"
 100         } else { if { [ string match $visibility "protected_undef" ]
 101              && [regexp ".*/sh1.c.*: undefined reference to \`visibility\'" $link_output]
 102              && [regexp ".*/sh1.c.*: undefined reference to \`visibility_var\'" $link_output] } {
 103             pass "$testname"
 104         } else {
 105             fail "$testname"
 106         }}
 107         return
 108     }
 109
 110     # Link against the shared library.  Use -rpath so that the
 111     # dynamic linker can locate the shared library at runtime.
 112     # On AIX, we must include /lib in -rpath, as otherwise the loader
 113     # can not find -lc.
 114     set rpath $tmpdir
 115     if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 116         set rpath /lib:$tmpdir
 117     }
 118     if ![ld_link $ld $tmpdir/$progname "-rpath $rpath $tmpdir/$main $tmpdir/$progname.so"] {
 119         if { [ string match $visibility "hidden" ]
 120              && [regexp ".*/main.c.*: undefined reference to \`visibility\'" $link_output]
 121              && [regexp ".*/main.c.*: undefined reference to \`visibility_var\'" $link_output] } {
 122             pass "$testname"
 123         } else { if { [ string match $visibility "hidden_undef_def" ]
 124              && [regexp ".*/main.c.*: undefined reference to \`visibility\'" $link_output]
 125              && [regexp ".*/main.c.*: undefined reference to \`visibility_var\'" $link_output] } {
 126             pass "$testname"
 127         } else {
 128             fail "$testname"
 129         }}
 130         return
 131     }
 132
 133     if { [ string match $visibility "hidden" ]
 134          || [ string match $visibility "hidden_undef" ]
 135          || [ string match $visibility "protected_undef" ] } {
 136         fail "$testname"
 137     }
 138
 139     # Run the resulting program
 140     send_log "$tmpdir/$progname >$tmpdir/$progname.out\n"
 141     verbose "$tmpdir/$progname >$tmpdir/$progname.out"
 142     catch "exec $tmpdir/$progname >$tmpdir/$progname.out" exec_output
 143     if ![string match "" $exec_output] then {
 144         send_log "$exec_output\n"
 145         verbose "$exec_output"
 146         fail "$testname"
 147         return
 148     }
 149
 150     send_log "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat\n"
 151     verbose "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat"
 152     catch "exec diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat" exec_output
 153     set exec_output [prune_warnings $exec_output]
 154
 155     if {![string match "" $exec_output]} then {
 156         send_log "$exec_output\n"
 157         verbose "$exec_output"
 158         fail "$testname"
 159         return
 160     }
 161
 162     pass "$testname"
 163 }
 164
 165 proc visibility_run {visibility} {
 166     global CC
 167     global CFLAGS
 168     global SHCFLAG
 169     global srcdir
 170     global subdir
 171     global tmpdir
 172     global picflag
 173     global target_triplet
 174
 175     if [ string match $visibility "hidden" ] {
 176         set VSBCFLAG "-DHIDDEN_TEST"
 177     } else { if [ string match $visibility "hidden_normal" ] {
 178         set VSBCFLAG "-DHIDDEN_NORMAL_TEST"
 179     } else { if [ string match $visibility "hidden_undef" ] {
 180         set VSBCFLAG "-DHIDDEN_UNDEF_TEST"
 181     } else { if [ string match $visibility "hidden_undef_def" ] {
 182         set VSBCFLAG "-DHIDDEN_UNDEF_TEST -DDSO_DEFINE_TEST"
 183     } else { if [ string match $visibility "hidden_weak" ] {
 184         set VSBCFLAG "-DHIDDEN_WEAK_TEST"
 185     } else { if [ string match $visibility "protected" ] {
 186         set VSBCFLAG "-DPROTECTED_TEST"
 187     } else { if [ string match $visibility "protected_undef" ] {
 188         set VSBCFLAG "-DPROTECTED_UNDEF_TEST"
 189     } else { if [ string match $visibility "protected_undef_def" ] {
 190         set VSBCFLAG "-DPROTECTED_UNDEF_TEST -DDSO_DEFINE_TEST"
 191     } else { if [ string match $visibility "protected_weak" ] {
 192         set VSBCFLAG "-DPROTECTED_WEAK_TEST"
 193     } else {
 194         set VSBCFLAG ""
 195     }}}}}}}}}
 196
 197     # Compile the main program.
 198     if ![ld_compile "$CC $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o] {
 199         unresolved "visibility ($visibility) (non PIC)"
 200         unresolved "visibility ($visibility)"
 201     } else {
 202         # The shared library is composed of two files.  First compile them
 203         # without using -fpic.  That should work on an ELF system,
 204         # although it will be less efficient because the dynamic linker
 205         # will need to do more relocation work.  However, note that not
 206         # using -fpic will cause some of the tests to return different
 207         # results.
 208         if { ![ld_compile "$CC $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/sh1.c $tmpdir/sh1np.o]
 209              || ![ld_compile "$CC $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/sh2.c $tmpdir/sh2np.o] } {
 210             unresolved "visibility ($visibility) (non PIC)"
 211         } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 212             visibility_test $visibility vnp "visibility ($visibility) (nonPIC)" mainnp.o sh1np.o sh2np.o xcoff
 213         } else {
 214             # SunOS non PIC shared libraries don't permit some cases of
 215             # overriding.
 216             if [ string match $visibility "protected" ] {
 217                 setup_xfail $target_triplet
 218             } else {
 219                 setup_xfail "*-*-sunos4*"
 220             }
 221             visibility_test $visibility vnp "visibility ($visibility) (non PIC)" mainnp.o sh1np.o sh2np.o elfvsb
 222
 223             # Test ELF shared library relocations with a non-zero load
 224             # address for the library.  Near as I can tell, the R_*_RELATIVE
 225             # relocations for various targets are broken in the case where
 226             # the load address is not zero (which is the default).
 227             if [ string match $visibility "protected" ] {
 228                 setup_xfail $target_triplet
 229             } else {
 230                 setup_xfail "*-*-sunos4*"
 231                 setup_xfail "*-*-linux*libc1"
 232             }
 233             visibility_test $visibility vnp "visibility ($visibility) (non PIC, load offset)" \
 234                 mainnp.o sh1np.o sh2np.o elfvsb \
 235                 "-T $srcdir/$subdir/elf-offset.ld"
 236         } }
 237
 238         # Now compile the code using -fpic.
 239
 240         if { ![ld_compile "$CC $CFLAGS $SHCFLAG $VSBCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o]
 241             || ![ld_compile "$CC $CFLAGS $SHCFLAG $VSBCFLAG $picflag" $srcdir/$subdir/sh2.c $tmpdir/sh2p.o] } {
 242             unresolved "visibility ($visibility)"
 243         } else {
 244             if [ string match $visibility "protected" ] {
 245                 setup_xfail $target_triplet
 246             }
 247             # SunOS can not compare function pointers correctly
 248             if [istarget "*-*-sunos4*"] {
 249                 visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o sun4
 250             } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 251                 visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o xcoff
 252             } else {
 253                 visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o elfvsb
 254             } }
 255         }
 256     }
 257
 258     # Now do the same tests again, but this time compile main.c PIC.
 259     if ![ld_compile "$CC $CFLAGS $SHCFLAG $VSBCFLAG $picflag" $srcdir/$subdir/main.c $tmpdir/mainp.o] {
 260         unresolved "visibility ($visibility) (PIC main, non PIC so)"
 261         unresolved "visibility ($visibility) (PIC main)"
 262     } else {
 263         if { [file exists $tmpdir/sh1np.o ] && [ file exists $tmpdir/sh2np.o ] } {
 264             if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 265                 visibility_test $visibility vmpnp "visibility ($visibility) (PIC main, non PIC so)" mainp.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                     setup_xfail $target_triplet
 271                 } else {
 272                     setup_xfail "*-*-sunos4*"
 273                 }
 274                 visibility_test $visibility vmpnp "visibility ($visibility) (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o elfvsb
 275             }
 276         } else {
 277             unresolved "visibility (PIC main, non PIC so)"
 278         }
 279
 280         if { [file exists $tmpdir/sh1p.o ] && [ file exists $tmpdir/sh2p.o ] } {
 281             if [ string match $visibility "protected" ] {
 282                 setup_xfail $target_triplet
 283             }
 284             if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 285                 visibility_test $visibility vmpp "visibility ($visibility) (PIC main)" mainp.o sh1p.o sh2p.o xcoff
 286             } else {
 287                 visibility_test $visibility vmpp "visibility ($visibility) (PIC main)" mainp.o sh1p.o sh2p.o elfvsb
 288             }
 289         } else {
 290             unresolved "visibility ($visibility) (PIC main)"
 291         }
 292     }
 293 }
 294
 295 if [istarget mips*-*-*] {
 296     set picflag ""
 297 } else {
 298     # Unfortunately, the gcc argument is -fpic and the cc argument is
 299     # -KPIC.  We have to try both.
 300     set picflag "-fpic"
 301     send_log "$CC $picflag\n"
 302     verbose "$CC $picflag"
 303     catch "exec $CC $picflag" exec_output
 304     send_log "$exec_output\n"
 305     verbose "--" "$exec_output"
 306     if { [string match "*illegal option*" $exec_output] \
 307          || [string match "*option ignored*" $exec_output] \
 308          || [string match "*unrecognized option*" $exec_output] \
 309          || [string match "*passed to ld*" $exec_output] } {
 310         if [istarget *-*-sunos4*] {
 311             set picflag "-pic"
 312         } else {
 313             set picflag "-KPIC"
 314         }
 315     }
 316 }
 317 verbose "Using $picflag to compile PIC code"
 318
 319 visibility_run hidden
 320 visibility_run hidden_normal
 321 visibility_run hidden_undef
 322 visibility_run hidden_undef_def
 323 visibility_run hidden_weak
 324 visibility_run protected
 325 visibility_run protected_undef
 326 visibility_run protected_undef_def
 327 visibility_run protected_weak
 328 visibility_run normal
 329
 330 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 331     # Remove the temporary directory.
 332     catch "exec rm -rf $tmpdir" exec_status
 333 }