ld/testsuite/ld-shared/shared.exp

   1 # Expect script for ld-shared tests
   2 #   Copyright (C) 1994, 1995, 1996, 1997 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 #
  20
  21 # Make sure that ld can generate ELF shared libraries.
  22 # Note that linking against ELF shared libraries is tested by the
  23 # bootstrap test.
  24
  25 # This test can only be run if ld generates native executables.
  26 if ![isnative] then {return}
  27
  28 # This test can only be run on a couple of ELF platforms.
  29 # Square bracket expressions seem to confuse istarget.
  30 if { ![istarget i386-*-sysv4*] \
  31      && ![istarget i486-*-sysv4*] \
  32      && ![istarget i586-*-sysv4*] \
  33      && ![istarget i386-*-unixware] \
  34      && ![istarget i486-*-unixware] \
  35      && ![istarget i586-*-unixware] \
  36      && ![istarget i386-*-elf*] \
  37      && ![istarget i486-*-elf*] \
  38      && ![istarget i586-*-elf*] \
  39      && ![istarget i386-*-linux*] \
  40      && ![istarget i486-*-linux*] \
  41      && ![istarget i586-*-linux*] \
  42      && ![istarget m68k-*-linux*] \
  43      && ![istarget mips*-*-irix5*] \
  44      && ![istarget sparc*-*-elf] \
  45      && ![istarget sparc*-*-solaris2*] \
  46      && ![istarget sparc*-*-sunos4*] \
  47      && ![istarget rs6000*-*-aix*] \
  48      && ![istarget powerpc*-*-aix*] } {
  49     return
  50 }
  51
  52 if { [istarget i386-*-linuxaout*] \
  53      || [istarget i486-*-linuxaout*] \
  54      || [istarget i586-*-linuxaout*] \
  55      || [istarget i386-*-linuxoldld*] \
  56      || [istarget i486-*-linuxoldld*] \
  57      || [istarget i586-*-linuxoldld*] \
  58      || [istarget m68k-*-linuxaout*] } {
  59     return
  60 }
  61
  62 set tmpdir tmpdir
  63 set SHCFLAG ""
  64
  65 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
  66
  67     # AIX shared libraries do not seem to support useful features,
  68     # like overriding the shared library function or letting the
  69     # shared library refer to objects defined in the main program.  We
  70     # avoid testing those features.
  71     set SHCFLAG "-DXCOFF_TEST"
  72
  73     # The AIX 3.2.5 loader appears to randomly fail when loading
  74     # shared libraries from NSF mounted partitions, so we avoid any
  75     # potential problems by using a local directory.
  76     catch {exec /bin/sh -c "echo $$"} pid
  77     set tmpdir /usr/tmp/ld.$pid
  78     catch "exec mkdir $tmpdir" exec_status
  79
  80     # On AIX, we need to explicitly export the symbols the shared
  81     # library is going to provide, and need.
  82     set file [open $tmpdir/xcoff.exp w]
  83     puts $file shlibvar1
  84     puts $file shlibvar2
  85     puts $file shlib_shlibvar1
  86     puts $file shlib_shlibvar2
  87     puts $file shlib_shlibcall
  88     puts $file shlib_shlibcalled
  89     puts $file shlib_checkfunptr1
  90     puts $file shlib_getfunptr1
  91     puts $file shlib_check
  92     close $file
  93 }
  94
  95 # The test procedure.
  96 proc shared_test { progname testname main sh1 sh2 dat } {
  97     global ld
  98     global srcdir
  99     global subdir
 100     global exec_output
 101     global host_triplet
 102     global tmpdir
 103
 104     # Build the shared library.
 105     # On AIX, we need to use an export file.
 106     set shared -shared
 107     if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 108         set shared "-bM:SRE -bE:$tmpdir/xcoff.exp"
 109     }
 110     if {![ld_simple_link $ld $tmpdir/$progname.so "$shared $tmpdir/$sh1 $tmpdir/$sh2"]} {
 111         fail "$testname"
 112         return
 113     }
 114
 115     # Link against the shared library.  Use -rpath so that the
 116     # dynamic linker can locate the shared library at runtime.
 117     # On AIX, we must include /lib in -rpath, as otherwise the loader
 118     # can not find -lc.
 119     set rpath $tmpdir
 120     if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 121         set rpath /lib:$tmpdir
 122     }
 123     if ![ld_link $ld $tmpdir/$progname "-rpath $rpath $tmpdir/$main $tmpdir/$progname.so"] {
 124         fail "$testname"
 125         return
 126     }
 127
 128     # Run the resulting program
 129     send_log "$tmpdir/$progname >$tmpdir/$progname.out\n"
 130     verbose "$tmpdir/$progname >$tmpdir/$progname.out"
 131     catch "exec $tmpdir/$progname >$tmpdir/$progname.out" exec_output
 132     if ![string match "" $exec_output] then {
 133         send_log "$exec_output\n"
 134         verbose "$exec_output"
 135         fail "$testname"
 136         return
 137     }
 138
 139     send_log "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat\n"
 140     verbose "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat"
 141     catch "exec diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat" exec_output
 142     set exec_output [prune_warnings $exec_output]
 143
 144     if {![string match "" $exec_output]} then {
 145         send_log "$exec_output\n"
 146         verbose "$exec_output"
 147         fail "$testname"
 148         return
 149     }
 150
 151     pass "$testname"
 152 }
 153
 154 if [istarget mips*-*-*] {
 155     set picflag ""
 156 } else {
 157     # Unfortunately, the gcc argument is -fpic and the cc argument is
 158     # -KPIC.  We have to try both.
 159     set picflag "-fpic"
 160     send_log "$CC $picflag\n"
 161     verbose "$CC $picflag"
 162     catch "exec $CC $picflag" exec_output
 163     send_log "$exec_output\n"
 164     verbose "--" "$exec_output"
 165     if { [string match "*illegal option*" $exec_output] \
 166          || [string match "*option ignored*" $exec_output] \
 167          || [string match "*unrecognized option*" $exec_output] \
 168          || [string match "*passed to ld*" $exec_output] } {
 169         if [istarget *-*-sunos4*] {
 170             set picflag "-pic"
 171         } else {
 172             set picflag "-KPIC"
 173         }
 174     }
 175 }
 176 verbose "Using $picflag to compile PIC code"
 177
 178 # Compile the main program.
 179 if ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o] {
 180     unresolved "shared (non PIC)"
 181     unresolved "shared"
 182 } else {
 183     # The shared library is composed of two files.  First compile them
 184     # without using -fpic.  That should work on an ELF system,
 185     # although it will be less efficient because the dynamic linker
 186     # will need to do more relocation work.  However, note that not
 187     # using -fpic will cause some of the tests to return different
 188     # results.
 189     if { ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/sh1.c $tmpdir/sh1np.o]
 190          || ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/sh2.c $tmpdir/sh2np.o] } {
 191         unresolved "shared (non PIC)"
 192     } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 193         shared_test shnp "shared (nonPIC)" mainnp.o sh1np.o sh2np.o xcoff
 194     } else {
 195         # SunOS non PIC shared libraries don't permit some cases of
 196         # overriding.
 197         setup_xfail "*-*-sunos4*"
 198         # On Linux/m68k this fails because non-pic references to symbols
 199         # in the same section may be resolved by the assembler if they
 200         # are pc-relative.
 201         setup_xfail "m68k-*-linux*"
 202         shared_test shnp "shared (non PIC)" mainnp.o sh1np.o sh2np.o shared
 203     } }
 204
 205     # Now compile the code using -fpic.
 206
 207     if { ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o]
 208          || ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/sh2.c $tmpdir/sh2p.o] } {
 209         unresolved "shared"
 210     } else {
 211         # SunOS can not compare function pointers correctly
 212         if [istarget "*-*-sunos4*"] {
 213             shared_test shp "shared" mainnp.o sh1p.o sh2p.o sun4
 214         } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 215             shared_test shp "shared" mainnp.o sh1p.o sh2p.o xcoff
 216         } else {
 217             shared_test shp "shared" mainnp.o sh1p.o sh2p.o shared
 218         } }
 219     }
 220 }
 221
 222 # Now do the same tests again, but this time compile main.c PIC.
 223 if ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/main.c $tmpdir/mainp.o] {
 224     unresolved "shared (PIC main, non PIC so)"
 225     unresolved "shared (PIC main)"
 226 } else {
 227     if { [file exists $tmpdir/sh1np.o ] && [ file exists $tmpdir/sh2np.o ] } {
 228         if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 229             shared_test shmpnp "shared (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o xcoff
 230         } else {
 231             # SunOS non PIC shared libraries don't permit some cases of
 232             # overriding.
 233             setup_xfail "*-*-sunos4*"
 234             # On Linux/m68k this fails because non-pic references to symbols
 235             # in the same section may be resolved by the assembler if they
 236             # are pc-relative.
 237             setup_xfail "m68k-*-linux*"
 238             shared_test shmpnp "shared (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o shared
 239         }
 240     } else {
 241         unresolved "shared (PIC main, non PIC so)"
 242     }
 243
 244     if { [file exists $tmpdir/sh1p.o ] && [ file exists $tmpdir/sh2p.o ] } {
 245         if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 246             shared_test shmpp "shared (PIC main)" mainp.o sh1p.o sh2p.o xcoff
 247         } else {
 248             shared_test shmpp "shared (PIC main)" mainp.o sh1p.o sh2p.o shared
 249         }
 250     } else {
 251         unresolved "shared (PIC main)"
 252     }
 253 }
 254
 255 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 256     # Remove the temporary directory.
 257     catch "exec rm -rf $tmpdir" exec_status
 258 }