ld/testsuite/ld-shared/shared.exp

   1 # Expect script for ld-shared tests
   2 #   Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
   3 #   2004, 2007
   4 #   Free Software Foundation, Inc.
   5 #
   6 # This file is part of the GNU Binutils.
   7 #
   8 # This program is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 3 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program; if not, write to the Free Software
  20 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  21 # MA 02110-1301, USA.
  22 #
  23 # Written by Ian Lance Taylor (ian@cygnus.com)
  24 #
  25
  26 # Make sure that ld can generate ELF shared libraries.
  27 # Note that linking against ELF shared libraries is tested by the
  28 # bootstrap test.
  29
  30 # This test can only be run if ld generates native executables.
  31 if ![isnative] then {return}
  32
  33 # This test can only be run on a couple of ELF platforms.
  34 # Square bracket expressions seem to confuse istarget.
  35 if { ![istarget hppa*64*-*-hpux*] \
  36      && ![istarget hppa*-*-linux*] \
  37      && ![istarget i?86-*-sysv4*] \
  38      && ![istarget i?86-*-unixware] \
  39      && ![istarget i?86-*-elf*] \
  40      && ![istarget i?86-*-linux*] \
  41      && ![istarget ia64-*-elf*] \
  42      && ![istarget ia64-*-linux*] \
  43      && ![istarget m68k-*-linux*] \
  44      && ![istarget mips*-*-irix5*] \
  45      && ![istarget mips*-*-linux*] \
  46      && ![istarget powerpc-*-elf*] \
  47      && ![istarget powerpc-*-linux*] \
  48      && ![istarget powerpc-*-sysv4*] \
  49      && ![istarget sparc*-*-elf] \
  50      && ![istarget sparc*-*-solaris2*] \
  51      && ![istarget sparc*-*-sunos4*] \
  52      && ![istarget sparc*-*-linux*] \
  53      && ![istarget arm*-*-linux*] \
  54      && ![istarget alpha*-*-linux*] \
  55      && ![istarget rs6000*-*-aix*] \
  56      && ![istarget powerpc*-*-aix*] \
  57      && ![istarget s390*-*-linux*] \
  58      && ![istarget x86_64-*-linux*] } {
  59     return
  60 }
  61
  62 if { [istarget *-*-linux*aout*] \
  63      || [istarget *-*-linux*oldld*] } {
  64     return
  65 }
  66
  67 set tmpdir tmpdir
  68 set SHCFLAG ""
  69
  70 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
  71
  72     # AIX shared libraries do not seem to support useful features,
  73     # like overriding the shared library function or letting the
  74     # shared library refer to objects defined in the main program.  We
  75     # avoid testing those features.
  76     set SHCFLAG "-DXCOFF_TEST"
  77
  78     # The AIX 3.2.5 loader appears to randomly fail when loading
  79     # shared libraries from NSF mounted partitions, so we avoid any
  80     # potential problems by using a local directory.
  81     catch {exec /bin/sh -c "echo $$"} pid
  82     set tmpdir /usr/tmp/ld.$pid
  83     catch "exec mkdir $tmpdir" exec_status
  84
  85     # On AIX, we need to explicitly export the symbols the shared
  86     # library is going to provide, and need.
  87     set file [open $tmpdir/xcoff.exp w]
  88     puts $file shlibvar1
  89     puts $file shlibvar2
  90     puts $file shlib_shlibvar1
  91     puts $file shlib_shlibvar2
  92     puts $file shlib_shlibcall
  93     puts $file shlib_shlibcalled
  94     puts $file shlib_checkfunptr1
  95     puts $file shlib_getfunptr1
  96     puts $file shlib_check
  97     close $file
  98 }
  99
 100 # The test procedure.
 101 proc shared_test { progname testname main sh1 sh2 dat args } {
 102     global CC
 103     global srcdir
 104     global subdir
 105     global exec_output
 106     global host_triplet
 107     global tmpdir
 108
 109     if [llength $args] { set shldflags [lindex $args 0] } else { set shldflags "" }
 110
 111     # Build the shared library.
 112     # On AIX, we need to use an export file.
 113     set shared -shared
 114     if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 115         set shared "-bM:SRE -bE:$tmpdir/xcoff.exp"
 116     }
 117     if {![ld_simple_link $CC $tmpdir/$progname.so "$shared $shldflags $tmpdir/$sh1 $tmpdir/$sh2"]} {
 118         fail "$testname"
 119         return
 120     }
 121
 122     # Link against the shared library.  Use -rpath so that the
 123     # dynamic linker can locate the shared library at runtime.
 124     # On AIX, we must include /lib in -rpath, as otherwise the loader
 125     # can not find -lc.
 126     set rpath $tmpdir
 127     if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 128         set rpath /lib:$tmpdir
 129     }
 130     if ![ld_simple_link $CC $tmpdir/$progname "-Wl,-rpath,$rpath $tmpdir/$main $tmpdir/$progname.so"] {
 131         fail "$testname"
 132         return
 133     }
 134
 135     # Run the resulting program
 136     send_log "$tmpdir/$progname >$tmpdir/$progname.out\n"
 137     verbose "$tmpdir/$progname >$tmpdir/$progname.out"
 138     catch "exec $tmpdir/$progname >$tmpdir/$progname.out" exec_output
 139     if ![string match "" $exec_output] then {
 140         send_log "$exec_output\n"
 141         verbose "$exec_output"
 142         fail "$testname"
 143         return
 144     }
 145
 146     send_log "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat\n"
 147     verbose "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat"
 148     catch "exec diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat" exec_output
 149     set exec_output [prune_warnings $exec_output]
 150
 151     if {![string match "" $exec_output]} then {
 152         send_log "$exec_output\n"
 153         verbose "$exec_output"
 154         fail "$testname"
 155         return
 156     }
 157
 158     pass "$testname"
 159 }
 160
 161 if [istarget mips*-*-*] {
 162     set picflag ""
 163 } else {
 164     # Unfortunately, the gcc argument is -fpic and the cc argument is
 165     # -KPIC.  We have to try both.
 166     set picflag "-fpic"
 167     send_log "$CC $picflag\n"
 168     verbose "$CC $picflag"
 169     catch "exec $CC $picflag" exec_output
 170     send_log "$exec_output\n"
 171     verbose "--" "$exec_output"
 172     if { [string match "*illegal option*" $exec_output] \
 173          || [string match "*option ignored*" $exec_output] \
 174          || [string match "*unrecognized option*" $exec_output] \
 175          || [string match "*passed to ld*" $exec_output] } {
 176         if [istarget *-*-sunos4*] {
 177             set picflag "-pic"
 178         } else {
 179             set picflag "-KPIC"
 180         }
 181     }
 182 }
 183 verbose "Using $picflag to compile PIC code"
 184
 185 # Compile the main program.
 186 if ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o] {
 187     unresolved "shared (non PIC)"
 188     unresolved "shared"
 189 } else {
 190     # The shared library is composed of two files.  First compile them
 191     # without using -fpic.  That should work on an ELF system,
 192     # although it will be less efficient because the dynamic linker
 193     # will need to do more relocation work.  However, note that not
 194     # using -fpic will cause some of the tests to return different
 195     # results.
 196     if { ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/sh1.c $tmpdir/sh1np.o]
 197          || ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/sh2.c $tmpdir/sh2np.o] } {
 198         unresolved "shared (non PIC)"
 199     } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 200         shared_test shnp "shared (nonPIC)" mainnp.o sh1np.o sh2np.o xcoff
 201     } else {
 202         # SunOS non PIC shared libraries don't permit some cases of
 203         # overriding.
 204         setup_xfail "*-*-sunos4*"
 205         setup_xfail "ia64-*-linux*"
 206         setup_xfail "alpha*-*-linux*"
 207         if { ![istarget hppa*64*-*-linux*] } {
 208             setup_xfail "hppa*-*-linux*"
 209         }
 210         if { [istarget sparc*-*-linux*] && [is_elf64 $tmpdir/mainnp.o] } {
 211             setup_xfail "sparc*-*-linux*"
 212         }
 213         setup_xfail "x86_64-*-linux*"
 214         setup_xfail "s390x-*-linux*"
 215         shared_test shnp "shared (non PIC)" mainnp.o sh1np.o sh2np.o shared
 216
 217         # Test ELF shared library relocations with a non-zero load
 218         # address for the library.  Near as I can tell, the R_*_RELATIVE
 219         # relocations for various targets are broken in the case where
 220         # the load address is not zero (which is the default).
 221         setup_xfail "*-*-sunos4*"
 222         setup_xfail "*-*-linux*libc1"
 223         setup_xfail "powerpc-*-linux*"
 224         setup_xfail "ia64-*-linux*"
 225         setup_xfail "alpha*-*-linux*"
 226         setup_xfail "mips*-*-linux*"
 227         if { ![istarget hppa*64*-*-linux*] } {
 228             setup_xfail "hppa*-*-linux*"
 229         }
 230         if { [istarget sparc*-*-linux*] && [is_elf64 $tmpdir/mainnp.o] } {
 231             setup_xfail "sparc*-*-linux*"
 232         }
 233         setup_xfail "x86_64-*-linux*"
 234         setup_xfail "s390x-*-linux*"
 235         shared_test shnp "shared (non PIC, load offset)" \
 236                 mainnp.o sh1np.o sh2np.o shared \
 237                 "-T $srcdir/$subdir/elf-offset.ld"
 238     } }
 239
 240     # Now compile the code using -fpic.
 241
 242     if { ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o]
 243          || ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/sh2.c $tmpdir/sh2p.o] } {
 244         unresolved "shared"
 245     } else {
 246         # SunOS can not compare function pointers correctly
 247         if [istarget "*-*-sunos4*"] {
 248             shared_test shp "shared" mainnp.o sh1p.o sh2p.o sun4
 249         } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 250             shared_test shp "shared" mainnp.o sh1p.o sh2p.o xcoff
 251         } else {
 252             shared_test shp "shared" mainnp.o sh1p.o sh2p.o shared
 253             ld_compile "$CC $CFLAGS -DSYMBOLIC_TEST -DXCOFF_TEST $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o
 254             ld_compile "$CC $CFLAGS -DSYMBOLIC_TEST -DXCOFF_TEST $SHCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o
 255             shared_test shp "shared -Bsymbolic" mainnp.o sh1p.o sh2p.o symbolic "-Bsymbolic"
 256             ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o
 257             ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o
 258         } }
 259     }
 260 }
 261
 262 # Now do the same tests again, but this time compile main.c PIC.
 263 if ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/main.c $tmpdir/mainp.o] {
 264     unresolved "shared (PIC main, non PIC so)"
 265     unresolved "shared (PIC main)"
 266 } else {
 267     if { [file exists $tmpdir/sh1np.o ] && [ file exists $tmpdir/sh2np.o ] } {
 268         if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 269             shared_test shmpnp "shared (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o xcoff
 270         } else {
 271             # SunOS non PIC shared libraries don't permit some cases of
 272             # overriding.
 273             setup_xfail "*-*-sunos4*"
 274             setup_xfail "ia64-*-linux*"
 275             setup_xfail "alpha*-*-linux*"
 276             if { ![istarget hppa*64*-*-linux*] } {
 277                 setup_xfail "hppa*-*-linux*"
 278             }
 279             if { [istarget sparc*-*-linux*] && [is_elf64 $tmpdir/mainp.o] } {
 280                 setup_xfail "sparc*-*-linux*"
 281             }
 282             setup_xfail "x86_64-*-linux*"
 283             setup_xfail "s390x-*-linux*"
 284             shared_test shmpnp "shared (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o shared
 285         }
 286     } else {
 287         unresolved "shared (PIC main, non PIC so)"
 288     }
 289
 290     if { [file exists $tmpdir/sh1p.o ] && [ file exists $tmpdir/sh2p.o ] } {
 291         if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 292             shared_test shmpp "shared (PIC main)" mainp.o sh1p.o sh2p.o xcoff
 293         } else {
 294             shared_test shmpp "shared (PIC main)" mainp.o sh1p.o sh2p.o shared
 295         }
 296     } else {
 297         unresolved "shared (PIC main)"
 298     }
 299 }
 300
 301 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 302     # Remove the temporary directory.
 303     catch "exec rm -rf $tmpdir" exec_status
 304 }