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 sparc*-*-linux*] \
  51      && ![istarget rs6000*-*-aix*] \
  52      && ![istarget powerpc*-*-aix*] } {
  53     return
  54 }
  55
  56 if { [istarget *-*-linux*aout*] \
  57      || [istarget *-*-linux*oldld*] } {
  58     return
  59 }
  60
  61 set tmpdir tmpdir
  62 set SHCFLAG ""
  63
  64 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
  65
  66     # AIX shared libraries do not seem to support useful features,
  67     # like overriding the shared library function or letting the
  68     # shared library refer to objects defined in the main program.  We
  69     # avoid testing those features.
  70     set SHCFLAG "-DXCOFF_TEST"
  71
  72     # The AIX 3.2.5 loader appears to randomly fail when loading
  73     # shared libraries from NSF mounted partitions, so we avoid any
  74     # potential problems by using a local directory.
  75     catch {exec /bin/sh -c "echo $$"} pid
  76     set tmpdir /usr/tmp/ld.$pid
  77     catch "exec mkdir $tmpdir" exec_status
  78
  79     # On AIX, we need to explicitly export the symbols the shared
  80     # library is going to provide, and need.
  81     set file [open $tmpdir/xcoff.exp w]
  82     puts $file shlibvar1
  83     puts $file shlibvar2
  84     puts $file shlib_shlibvar1
  85     puts $file shlib_shlibvar2
  86     puts $file shlib_shlibcall
  87     puts $file shlib_shlibcalled
  88     puts $file shlib_checkfunptr1
  89     puts $file shlib_getfunptr1
  90     puts $file shlib_check
  91     close $file
  92 }
  93
  94 # The test procedure.
  95 proc shared_test { progname testname main sh1 sh2 dat args } {
  96     global ld
  97     global srcdir
  98     global subdir
  99     global exec_output
 100     global host_triplet
 101     global tmpdir
 102
 103     if [llength $args] { set shldflags [lindex $args 0] } else { set shldflags "" }
 104
 105     # Build the shared library.
 106     # On AIX, we need to use an export file.
 107     set shared -shared
 108     if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 109         set shared "-bM:SRE -bE:$tmpdir/xcoff.exp"
 110     }
 111     if {![ld_simple_link $ld $tmpdir/$progname.so "$shared $shldflags $tmpdir/$sh1 $tmpdir/$sh2"]} {
 112         fail "$testname"
 113         return
 114     }
 115
 116     # Link against the shared library.  Use -rpath so that the
 117     # dynamic linker can locate the shared library at runtime.
 118     # On AIX, we must include /lib in -rpath, as otherwise the loader
 119     # can not find -lc.
 120     set rpath $tmpdir
 121     if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 122         set rpath /lib:$tmpdir
 123     }
 124     if ![ld_link $ld $tmpdir/$progname "-rpath $rpath $tmpdir/$main $tmpdir/$progname.so"] {
 125         fail "$testname"
 126         return
 127     }
 128
 129     # Run the resulting program
 130     send_log "$tmpdir/$progname >$tmpdir/$progname.out\n"
 131     verbose "$tmpdir/$progname >$tmpdir/$progname.out"
 132     catch "exec $tmpdir/$progname >$tmpdir/$progname.out" exec_output
 133     if ![string match "" $exec_output] then {
 134         send_log "$exec_output\n"
 135         verbose "$exec_output"
 136         fail "$testname"
 137         return
 138     }
 139
 140     send_log "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat\n"
 141     verbose "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat"
 142     catch "exec diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat" exec_output
 143     set exec_output [prune_warnings $exec_output]
 144
 145     if {![string match "" $exec_output]} then {
 146         send_log "$exec_output\n"
 147         verbose "$exec_output"
 148         fail "$testname"
 149         return
 150     }
 151
 152     pass "$testname"
 153 }
 154
 155 if [istarget mips*-*-*] {
 156     set picflag ""
 157 } else {
 158     # Unfortunately, the gcc argument is -fpic and the cc argument is
 159     # -KPIC.  We have to try both.
 160     set picflag "-fpic"
 161     send_log "$CC $picflag\n"
 162     verbose "$CC $picflag"
 163     catch "exec $CC $picflag" exec_output
 164     send_log "$exec_output\n"
 165     verbose "--" "$exec_output"
 166     if { [string match "*illegal option*" $exec_output] \
 167          || [string match "*option ignored*" $exec_output] \
 168          || [string match "*unrecognized option*" $exec_output] \
 169          || [string match "*passed to ld*" $exec_output] } {
 170         if [istarget *-*-sunos4*] {
 171             set picflag "-pic"
 172         } else {
 173             set picflag "-KPIC"
 174         }
 175     }
 176 }
 177 verbose "Using $picflag to compile PIC code"
 178
 179 # Compile the main program.
 180 if ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o] {
 181     unresolved "shared (non PIC)"
 182     unresolved "shared"
 183 } else {
 184     # The shared library is composed of two files.  First compile them
 185     # without using -fpic.  That should work on an ELF system,
 186     # although it will be less efficient because the dynamic linker
 187     # will need to do more relocation work.  However, note that not
 188     # using -fpic will cause some of the tests to return different
 189     # results.
 190     if { ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/sh1.c $tmpdir/sh1np.o]
 191          || ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/sh2.c $tmpdir/sh2np.o] } {
 192         unresolved "shared (non PIC)"
 193     } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 194         shared_test shnp "shared (nonPIC)" mainnp.o sh1np.o sh2np.o xcoff
 195     } else {
 196         # SunOS non PIC shared libraries don't permit some cases of
 197         # overriding.
 198         setup_xfail "*-*-sunos4*"
 199         shared_test shnp "shared (non PIC)" mainnp.o sh1np.o sh2np.o shared
 200
 201         # Test ELF shared library relocations with a non-zero load
 202         # address for the library.  Near as I can tell, the R_*_RELATIVE
 203         # relocations for various targets are broken in the case where
 204         # the load address is not zero (which is the default).
 205         setup_xfail "*-*-sunos4*"
 206         shared_test shnp "shared (non PIC, load offset)" \
 207                 mainnp.o sh1np.o sh2np.o shared \
 208                 "-T $srcdir/$subdir/elf-offset.ld"
 209     } }
 210
 211     # Now compile the code using -fpic.
 212
 213     if { ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o]
 214          || ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/sh2.c $tmpdir/sh2p.o] } {
 215         unresolved "shared"
 216     } else {
 217         # SunOS can not compare function pointers correctly
 218         if [istarget "*-*-sunos4*"] {
 219             shared_test shp "shared" mainnp.o sh1p.o sh2p.o sun4
 220         } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 221             shared_test shp "shared" mainnp.o sh1p.o sh2p.o xcoff
 222         } else {
 223             shared_test shp "shared" mainnp.o sh1p.o sh2p.o shared
 224         } }
 225     }
 226 }
 227
 228 # Now do the same tests again, but this time compile main.c PIC.
 229 if ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/main.c $tmpdir/mainp.o] {
 230     unresolved "shared (PIC main, non PIC so)"
 231     unresolved "shared (PIC main)"
 232 } else {
 233     if { [file exists $tmpdir/sh1np.o ] && [ file exists $tmpdir/sh2np.o ] } {
 234         if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 235             shared_test shmpnp "shared (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o xcoff
 236         } else {
 237             # SunOS non PIC shared libraries don't permit some cases of
 238             # overriding.
 239             setup_xfail "*-*-sunos4*"
 240             shared_test shmpnp "shared (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o shared
 241         }
 242     } else {
 243         unresolved "shared (PIC main, non PIC so)"
 244     }
 245
 246     if { [file exists $tmpdir/sh1p.o ] && [ file exists $tmpdir/sh2p.o ] } {
 247         if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 248             shared_test shmpp "shared (PIC main)" mainp.o sh1p.o sh2p.o xcoff
 249         } else {
 250             shared_test shmpp "shared (PIC main)" mainp.o sh1p.o sh2p.o shared
 251         }
 252     } else {
 253         unresolved "shared (PIC main)"
 254     }
 255 }
 256
 257 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 258     # Remove the temporary directory.
 259     catch "exec rm -rf $tmpdir" exec_status
 260 }