ld/testsuite/ld-shared/shared.exp

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