ld/testsuite/ld-shared/shared.exp

   1 # Expect script for ld-shared tests
   2 #   Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
   3 #   Free Software Foundation, Inc.
   4 #
   5 # This file is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 2 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program; if not, write to the Free Software
  17 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18 #
  19 # Written by Ian Lance Taylor (ian@cygnus.com)
  20 #
  21
  22 # Make sure that ld can generate ELF shared libraries.
  23 # Note that linking against ELF shared libraries is tested by the
  24 # bootstrap test.
  25
  26 # This test can only be run if ld generates native executables.
  27 if ![isnative] then {return}
  28
  29 # This test can only be run on a couple of ELF platforms.
  30 # Square bracket expressions seem to confuse istarget.
  31 if { ![istarget i?86-*-sysv4*] \
  32      && ![istarget i?86-*-unixware] \
  33      && ![istarget i?86-*-elf*] \
  34      && ![istarget i?86-*-linux*] \
  35      && ![istarget ia64-*-elf*] \
  36      && ![istarget ia64-*-linux*] \
  37      && ![istarget m68k-*-linux*] \
  38      && ![istarget mips*-*-irix5*] \
  39      && ![istarget powerpc-*-elf*] \
  40      && ![istarget powerpc-*-linux*] \
  41      && ![istarget powerpc-*-sysv4*] \
  42      && ![istarget sparc*-*-elf] \
  43      && ![istarget sparc*-*-solaris2*] \
  44      && ![istarget sparc*-*-sunos4*] \
  45      && ![istarget sparc*-*-linux*] \
  46      && ![istarget arm*-*-linux*] \
  47      && ![istarget alpha*-*-linux*] \
  48      && ![istarget rs6000*-*-aix*] \
  49      && ![istarget powerpc*-*-aix*] } {
  50     return
  51 }
  52
  53 if { [istarget *-*-linux*aout*] \
  54      || [istarget *-*-linux*oldld*] } {
  55     return
  56 }
  57
  58 set tmpdir tmpdir
  59 set SHCFLAG ""
  60
  61 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
  62
  63     # AIX shared libraries do not seem to support useful features,
  64     # like overriding the shared library function or letting the
  65     # shared library refer to objects defined in the main program.  We
  66     # avoid testing those features.
  67     set SHCFLAG "-DXCOFF_TEST"
  68
  69     # The AIX 3.2.5 loader appears to randomly fail when loading
  70     # shared libraries from NSF mounted partitions, so we avoid any
  71     # potential problems by using a local directory.
  72     catch {exec /bin/sh -c "echo $$"} pid
  73     set tmpdir /usr/tmp/ld.$pid
  74     catch "exec mkdir $tmpdir" exec_status
  75
  76     # On AIX, we need to explicitly export the symbols the shared
  77     # library is going to provide, and need.
  78     set file [open $tmpdir/xcoff.exp w]
  79     puts $file shlibvar1
  80     puts $file shlibvar2
  81     puts $file shlib_shlibvar1
  82     puts $file shlib_shlibvar2
  83     puts $file shlib_shlibcall
  84     puts $file shlib_shlibcalled
  85     puts $file shlib_checkfunptr1
  86     puts $file shlib_getfunptr1
  87     puts $file shlib_check
  88     close $file
  89 }
  90
  91 # The test procedure.
  92 proc shared_test { progname testname main sh1 sh2 dat args } {
  93     global ld
  94     global srcdir
  95     global subdir
  96     global exec_output
  97     global host_triplet
  98     global tmpdir
  99
 100     if [llength $args] { set shldflags [lindex $args 0] } else { set shldflags "" }
 101
 102     # Build the shared library.
 103     # On AIX, we need to use an export file.
 104     set shared -shared
 105     if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 106         set shared "-bM:SRE -bE:$tmpdir/xcoff.exp"
 107     }
 108     if {![ld_simple_link $ld $tmpdir/$progname.so "$shared $shldflags $tmpdir/$sh1 $tmpdir/$sh2"]} {
 109         fail "$testname"
 110         return
 111     }
 112
 113     # Link against the shared library.  Use -rpath so that the
 114     # dynamic linker can locate the shared library at runtime.
 115     # On AIX, we must include /lib in -rpath, as otherwise the loader
 116     # can not find -lc.
 117     set rpath $tmpdir
 118     if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 119         set rpath /lib:$tmpdir
 120     }
 121     if ![ld_link $ld $tmpdir/$progname "-rpath $rpath $tmpdir/$main $tmpdir/$progname.so"] {
 122         fail "$testname"
 123         return
 124     }
 125
 126     # Run the resulting program
 127     send_log "$tmpdir/$progname >$tmpdir/$progname.out\n"
 128     verbose "$tmpdir/$progname >$tmpdir/$progname.out"
 129     catch "exec $tmpdir/$progname >$tmpdir/$progname.out" exec_output
 130     if ![string match "" $exec_output] then {
 131         send_log "$exec_output\n"
 132         verbose "$exec_output"
 133         fail "$testname"
 134         return
 135     }
 136
 137     send_log "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat\n"
 138     verbose "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat"
 139     catch "exec diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat" exec_output
 140     set exec_output [prune_warnings $exec_output]
 141
 142     if {![string match "" $exec_output]} then {
 143         send_log "$exec_output\n"
 144         verbose "$exec_output"
 145         fail "$testname"
 146         return
 147     }
 148
 149     pass "$testname"
 150 }
 151
 152 if [istarget mips*-*-*] {
 153     set picflag ""
 154 } else {
 155     # Unfortunately, the gcc argument is -fpic and the cc argument is
 156     # -KPIC.  We have to try both.
 157     set picflag "-fpic"
 158     send_log "$CC $picflag\n"
 159     verbose "$CC $picflag"
 160     catch "exec $CC $picflag" exec_output
 161     send_log "$exec_output\n"
 162     verbose "--" "$exec_output"
 163     if { [string match "*illegal option*" $exec_output] \
 164          || [string match "*option ignored*" $exec_output] \
 165          || [string match "*unrecognized option*" $exec_output] \
 166          || [string match "*passed to ld*" $exec_output] } {
 167         if [istarget *-*-sunos4*] {
 168             set picflag "-pic"
 169         } else {
 170             set picflag "-KPIC"
 171         }
 172     }
 173 }
 174 verbose "Using $picflag to compile PIC code"
 175
 176 # Compile the main program.
 177 if ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o] {
 178     unresolved "shared (non PIC)"
 179     unresolved "shared"
 180 } else {
 181     # The shared library is composed of two files.  First compile them
 182     # without using -fpic.  That should work on an ELF system,
 183     # although it will be less efficient because the dynamic linker
 184     # will need to do more relocation work.  However, note that not
 185     # using -fpic will cause some of the tests to return different
 186     # results.
 187     if { ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/sh1.c $tmpdir/sh1np.o]
 188          || ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/sh2.c $tmpdir/sh2np.o] } {
 189         unresolved "shared (non PIC)"
 190     } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 191         shared_test shnp "shared (nonPIC)" mainnp.o sh1np.o sh2np.o xcoff
 192     } else {
 193         # SunOS non PIC shared libraries don't permit some cases of
 194         # overriding.
 195         setup_xfail "*-*-sunos4*"
 196         setup_xfail "ia64-*-linux*"
 197         shared_test shnp "shared (non PIC)" mainnp.o sh1np.o sh2np.o shared
 198
 199         # Test ELF shared library relocations with a non-zero load
 200         # address for the library.  Near as I can tell, the R_*_RELATIVE
 201         # relocations for various targets are broken in the case where
 202         # the load address is not zero (which is the default).
 203         setup_xfail "*-*-sunos4*"
 204         setup_xfail "*-*-linux*libc1"
 205         setup_xfail "powerpc-*-linux*"
 206         setup_xfail "ia64-*-linux*"
 207         shared_test shnp "shared (non PIC, load offset)" \
 208                 mainnp.o sh1np.o sh2np.o shared \
 209                 "-T $srcdir/$subdir/elf-offset.ld"
 210     } }
 211
 212     # Now compile the code using -fpic.
 213
 214     if { ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o]
 215          || ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/sh2.c $tmpdir/sh2p.o] } {
 216         unresolved "shared"
 217     } else {
 218         # SunOS can not compare function pointers correctly
 219         if [istarget "*-*-sunos4*"] {
 220             shared_test shp "shared" mainnp.o sh1p.o sh2p.o sun4
 221         } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 222             shared_test shp "shared" mainnp.o sh1p.o sh2p.o xcoff
 223         } else {
 224             shared_test shp "shared" mainnp.o sh1p.o sh2p.o shared
 225             ld_compile "$CC $CFLAGS -DXCOFF_TEST $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o
 226             ld_compile "$CC $CFLAGS -DXCOFF_TEST $SHCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o
 227             shared_test shp "shared -Bsymbolic" mainnp.o sh1p.o sh2p.o symbolic "-Bsymbolic"
 228             ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o
 229             ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o
 230         } }
 231     }
 232 }
 233
 234 # Now do the same tests again, but this time compile main.c PIC.
 235 if ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/main.c $tmpdir/mainp.o] {
 236     unresolved "shared (PIC main, non PIC so)"
 237     unresolved "shared (PIC main)"
 238 } else {
 239     if { [file exists $tmpdir/sh1np.o ] && [ file exists $tmpdir/sh2np.o ] } {
 240         if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 241             shared_test shmpnp "shared (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o xcoff
 242         } else {
 243             # SunOS non PIC shared libraries don't permit some cases of
 244             # overriding.
 245             setup_xfail "*-*-sunos4*"
 246             setup_xfail "ia64-*-linux*"
 247             shared_test shmpnp "shared (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o shared
 248         }
 249     } else {
 250         unresolved "shared (PIC main, non PIC so)"
 251     }
 252
 253     if { [file exists $tmpdir/sh1p.o ] && [ file exists $tmpdir/sh2p.o ] } {
 254         if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 255             shared_test shmpp "shared (PIC main)" mainp.o sh1p.o sh2p.o xcoff
 256         } else {
 257             shared_test shmpp "shared (PIC main)" mainp.o sh1p.o sh2p.o shared
 258         }
 259     } else {
 260         unresolved "shared (PIC main)"
 261     }
 262 }
 263
 264 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 265     # Remove the temporary directory.
 266     catch "exec rm -rf $tmpdir" exec_status
 267 }