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