ld/testsuite/ld-shared/shared.exp

   1 # Expect script for ld-shared tests
   2 #   Copyright (C) 1994, 1995, 1996, 1997, 1998 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 powerpc-*-elf*] \
  45      && ![istarget powerpc-*-linux*] \
  46      && ![istarget powerpc-*-sysv4*] \
  47      && ![istarget sparc*-*-elf] \
  48      && ![istarget sparc*-*-solaris2*] \
  49      && ![istarget sparc*-*-sunos4*] \
  50      && ![istarget rs6000*-*-aix*] \
  51      && ![istarget powerpc*-*-aix*] } {
  52     return
  53 }
  54
  55 if { [istarget i386-*-linuxaout*] \
  56      || [istarget i486-*-linuxaout*] \
  57      || [istarget i586-*-linuxaout*] \
  58      || [istarget i386-*-linuxoldld*] \
  59      || [istarget i486-*-linuxoldld*] \
  60      || [istarget i586-*-linuxoldld*] \
  61      || [istarget m68k-*-linuxaout*] } {
  62     return
  63 }
  64
  65 set tmpdir tmpdir
  66 set SHCFLAG ""
  67
  68 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
  69
  70     # AIX shared libraries do not seem to support useful features,
  71     # like overriding the shared library function or letting the
  72     # shared library refer to objects defined in the main program.  We
  73     # avoid testing those features.
  74     set SHCFLAG "-DXCOFF_TEST"
  75
  76     # The AIX 3.2.5 loader appears to randomly fail when loading
  77     # shared libraries from NSF mounted partitions, so we avoid any
  78     # potential problems by using a local directory.
  79     catch {exec /bin/sh -c "echo $$"} pid
  80     set tmpdir /usr/tmp/ld.$pid
  81     catch "exec mkdir $tmpdir" exec_status
  82
  83     # On AIX, we need to explicitly export the symbols the shared
  84     # library is going to provide, and need.
  85     set file [open $tmpdir/xcoff.exp w]
  86     puts $file shlibvar1
  87     puts $file shlibvar2
  88     puts $file shlib_shlibvar1
  89     puts $file shlib_shlibvar2
  90     puts $file shlib_shlibcall
  91     puts $file shlib_shlibcalled
  92     puts $file shlib_checkfunptr1
  93     puts $file shlib_getfunptr1
  94     puts $file shlib_check
  95     close $file
  96 }
  97
  98 # The test procedure.
  99 proc shared_test { progname testname main sh1 sh2 dat args } {
 100     global ld
 101     global srcdir
 102     global subdir
 103     global exec_output
 104     global host_triplet
 105     global tmpdir
 106
 107     if [llength $args] { set shldflags [lindex $args 0] } else { set shldflags "" }
 108
 109     # Build the shared library.
 110     # On AIX, we need to use an export file.
 111     set shared -shared
 112     if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 113         set shared "-bM:SRE -bE:$tmpdir/xcoff.exp"
 114     }
 115     if {![ld_simple_link $ld $tmpdir/$progname.so "$shared $shldflags $tmpdir/$sh1 $tmpdir/$sh2"]} {
 116         fail "$testname"
 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         fail "$testname"
 130         return
 131     }
 132
 133     # Run the resulting program
 134     send_log "$tmpdir/$progname >$tmpdir/$progname.out\n"
 135     verbose "$tmpdir/$progname >$tmpdir/$progname.out"
 136     catch "exec $tmpdir/$progname >$tmpdir/$progname.out" exec_output
 137     if ![string match "" $exec_output] then {
 138         send_log "$exec_output\n"
 139         verbose "$exec_output"
 140         fail "$testname"
 141         return
 142     }
 143
 144     send_log "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat\n"
 145     verbose "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat"
 146     catch "exec diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat" exec_output
 147     set exec_output [prune_warnings $exec_output]
 148
 149     if {![string match "" $exec_output]} then {
 150         send_log "$exec_output\n"
 151         verbose "$exec_output"
 152         fail "$testname"
 153         return
 154     }
 155
 156     pass "$testname"
 157 }
 158
 159 if [istarget mips*-*-*] {
 160     set picflag ""
 161 } else {
 162     # Unfortunately, the gcc argument is -fpic and the cc argument is
 163     # -KPIC.  We have to try both.
 164     set picflag "-fpic"
 165     send_log "$CC $picflag\n"
 166     verbose "$CC $picflag"
 167     catch "exec $CC $picflag" exec_output
 168     send_log "$exec_output\n"
 169     verbose "--" "$exec_output"
 170     if { [string match "*illegal option*" $exec_output] \
 171          || [string match "*option ignored*" $exec_output] \
 172          || [string match "*unrecognized option*" $exec_output] \
 173          || [string match "*passed to ld*" $exec_output] } {
 174         if [istarget *-*-sunos4*] {
 175             set picflag "-pic"
 176         } else {
 177             set picflag "-KPIC"
 178         }
 179     }
 180 }
 181 verbose "Using $picflag to compile PIC code"
 182
 183 # Compile the main program.
 184 if ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o] {
 185     unresolved "shared (non PIC)"
 186     unresolved "shared"
 187 } else {
 188     # The shared library is composed of two files.  First compile them
 189     # without using -fpic.  That should work on an ELF system,
 190     # although it will be less efficient because the dynamic linker
 191     # will need to do more relocation work.  However, note that not
 192     # using -fpic will cause some of the tests to return different
 193     # results.
 194     if { ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/sh1.c $tmpdir/sh1np.o]
 195          || ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/sh2.c $tmpdir/sh2np.o] } {
 196         unresolved "shared (non PIC)"
 197     } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 198         shared_test shnp "shared (nonPIC)" mainnp.o sh1np.o sh2np.o xcoff
 199     } else {
 200         # SunOS non PIC shared libraries don't permit some cases of
 201         # overriding.
 202         setup_xfail "*-*-sunos4*"
 203         shared_test shnp "shared (non PIC)" mainnp.o sh1np.o sh2np.o shared
 204
 205         # Test ELF shared library relocations with a non-zero load
 206         # address for the library.  Near as I can tell, the R_*_RELATIVE
 207         # relocations for various targets are broken in the case where
 208         # the load address is not zero (which is the default).
 209         setup_xfail "*-*-sunos4*"
 210         shared_test shnp "shared (non PIC, load offset)" \
 211                 mainnp.o sh1np.o sh2np.o shared \
 212                 "-T $srcdir/$subdir/elf-offset.ld"
 213     } }
 214
 215     # Now compile the code using -fpic.
 216
 217     if { ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o]
 218          || ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/sh2.c $tmpdir/sh2p.o] } {
 219         unresolved "shared"
 220     } else {
 221         # SunOS can not compare function pointers correctly
 222         if [istarget "*-*-sunos4*"] {
 223             shared_test shp "shared" mainnp.o sh1p.o sh2p.o sun4
 224         } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 225             shared_test shp "shared" mainnp.o sh1p.o sh2p.o xcoff
 226         } else {
 227             shared_test shp "shared" mainnp.o sh1p.o sh2p.o shared
 228         } }
 229     }
 230 }
 231
 232 # Now do the same tests again, but this time compile main.c PIC.
 233 if ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/main.c $tmpdir/mainp.o] {
 234     unresolved "shared (PIC main, non PIC so)"
 235     unresolved "shared (PIC main)"
 236 } else {
 237     if { [file exists $tmpdir/sh1np.o ] && [ file exists $tmpdir/sh2np.o ] } {
 238         if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 239             shared_test shmpnp "shared (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o xcoff
 240         } else {
 241             # SunOS non PIC shared libraries don't permit some cases of
 242             # overriding.
 243             setup_xfail "*-*-sunos4*"
 244             shared_test shmpnp "shared (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o shared
 245         }
 246     } else {
 247         unresolved "shared (PIC main, non PIC so)"
 248     }
 249
 250     if { [file exists $tmpdir/sh1p.o ] && [ file exists $tmpdir/sh2p.o ] } {
 251         if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 252             shared_test shmpp "shared (PIC main)" mainp.o sh1p.o sh2p.o xcoff
 253         } else {
 254             shared_test shmpp "shared (PIC main)" mainp.o sh1p.o sh2p.o shared
 255         }
 256     } else {
 257         unresolved "shared (PIC main)"
 258     }
 259 }
 260
 261 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 262     # Remove the temporary directory.
 263     catch "exec rm -rf $tmpdir" exec_status
 264 }