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, 2005, 2007, 2008, 2009
   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 set shared_needs_pic "no"
  70
  71 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
  72
  73     # AIX shared libraries do not seem to support useful features,
  74     # like overriding the shared library function or letting the
  75     # shared library refer to objects defined in the main program.  We
  76     # avoid testing those features.
  77     set SHCFLAG "-DXCOFF_TEST"
  78
  79     # The AIX 3.2.5 loader appears to randomly fail when loading
  80     # shared libraries from NSF mounted partitions, so we avoid any
  81     # potential problems by using a local directory.
  82     catch {exec /bin/sh -c "echo $$"} pid
  83     set tmpdir /usr/tmp/ld.$pid
  84     catch "exec mkdir $tmpdir" exec_status
  85
  86     # On AIX, we need to explicitly export the symbols the shared
  87     # library is going to provide, and need.
  88     set file [open $tmpdir/xcoff.exp w]
  89     puts $file shlibvar1
  90     puts $file shlibvar2
  91     puts $file shlib_shlibvar1
  92     puts $file shlib_shlibvar2
  93     puts $file shlib_shlibcall
  94     puts $file shlib_shlibcalled
  95     puts $file shlib_checkfunptr1
  96     puts $file shlib_getfunptr1
  97     puts $file shlib_check
  98     close $file
  99 }
 100
 101 if [istarget arm*-*-linux*] {
 102     # On ARM section anchors can change the symbol pre-emptability for
 103     # non-PIC shared libraries, causing these tests to fail.  Turn section
 104     # anchors off.
 105     set SHCFLAG "-fno-section-anchors"
 106
 107     # On targets that have MOVW the compiler will emit relocations which
 108     # the linker doesn't support when compiling -shared without -fpic.  The
 109     # test to find out whether we want to XFAIL the non-PIC tests requires
 110     # a compile - so we pre-calculate it here.  We also note that this can
 111     # only affect arm*-*-*eabi targets as the old ABI doesn't support v7.
 112     if [istarget arm*-*-*eabi] {
 113         set file [open $tmpdir/movw-detect.c w]
 114         puts $file "void foo(void) { __asm (\"movw r0, #0\"); }"
 115         close $file
 116         if [run_host_cmd_yesno "$CC" "$CFLAGS -c $tmpdir/movw-detect.c -o $tmpdir/movw-detect.o"] {
 117             set shared_needs_pic "yes"
 118         }
 119     }
 120 }
 121
 122 # The test procedure.
 123 proc shared_test { progname testname main sh1 sh2 dat args } {
 124     global CC
 125     global srcdir
 126     global subdir
 127     global exec_output
 128     global host_triplet
 129     global tmpdir
 130
 131     if [llength $args] { set shldflags [lindex $args 0] } else { set shldflags "" }
 132
 133     # Build the shared library.
 134     # On AIX, we need to use an export file.
 135     set shared -shared
 136     if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 137         set shared "-bM:SRE -bE:$tmpdir/xcoff.exp"
 138     }
 139     if {![ld_simple_link $CC $tmpdir/$progname.so "$shared $shldflags $tmpdir/$sh1 $tmpdir/$sh2"]} {
 140         fail "$testname"
 141         return
 142     }
 143
 144     # Link against the shared library.  Use -rpath so that the
 145     # dynamic linker can locate the shared library at runtime.
 146     # On AIX, we must include /lib in -rpath, as otherwise the loader
 147     # can not find -lc.
 148     set rpath $tmpdir
 149     if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 150         set rpath /lib:$tmpdir
 151     }
 152     if ![ld_simple_link $CC $tmpdir/$progname "-Wl,-rpath,$rpath $tmpdir/$main $tmpdir/$progname.so"] {
 153         fail "$testname"
 154         return
 155     }
 156
 157     # Run the resulting program
 158     send_log "$tmpdir/$progname >$tmpdir/$progname.out\n"
 159     verbose "$tmpdir/$progname >$tmpdir/$progname.out"
 160     catch "exec $tmpdir/$progname >$tmpdir/$progname.out" exec_output
 161     if ![string match "" $exec_output] then {
 162         send_log "$exec_output\n"
 163         verbose "$exec_output"
 164         fail "$testname"
 165         return
 166     }
 167
 168     send_log "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat\n"
 169     verbose "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat"
 170     catch "exec diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat" exec_output
 171     set exec_output [prune_warnings $exec_output]
 172
 173     if {![string match "" $exec_output]} then {
 174         send_log "$exec_output\n"
 175         verbose "$exec_output"
 176         fail "$testname"
 177         return
 178     }
 179
 180     pass "$testname"
 181 }
 182
 183 if [istarget mips*-*-*] {
 184     set picflag ""
 185 } else {
 186     # Unfortunately, the gcc argument is -fpic and the cc argument is
 187     # -KPIC.  We have to try both.
 188     set picflag "-fpic"
 189     send_log "$CC $picflag\n"
 190     verbose "$CC $picflag"
 191     catch "exec $CC $picflag" exec_output
 192     send_log "$exec_output\n"
 193     verbose "--" "$exec_output"
 194     if { [string match "*illegal option*" $exec_output] \
 195          || [string match "*option ignored*" $exec_output] \
 196          || [string match "*unrecognized option*" $exec_output] \
 197          || [string match "*passed to ld*" $exec_output] } {
 198         if [istarget *-*-sunos4*] {
 199             set picflag "-pic"
 200         } else {
 201             set picflag "-KPIC"
 202         }
 203     }
 204 }
 205 verbose "Using $picflag to compile PIC code"
 206
 207 # Compile the main program.
 208 if ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o] {
 209     unresolved "shared (non PIC)"
 210     unresolved "shared"
 211 } else {
 212     # The shared library is composed of two files.  First compile them
 213     # without using -fpic.  That should work on an ELF system,
 214     # although it will be less efficient because the dynamic linker
 215     # will need to do more relocation work.  However, note that not
 216     # using -fpic will cause some of the tests to return different
 217     # results.
 218     if { ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/sh1.c $tmpdir/sh1np.o]
 219          || ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/sh2.c $tmpdir/sh2np.o] } {
 220         unresolved "shared (non PIC)"
 221     } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 222         shared_test shnp "shared (nonPIC)" mainnp.o sh1np.o sh2np.o xcoff
 223     } else {
 224         # SunOS non PIC shared libraries don't permit some cases of
 225         # overriding.
 226         setup_xfail "*-*-sunos4*"
 227         setup_xfail "ia64-*-linux*"
 228         setup_xfail "alpha*-*-linux*"
 229         if { ![istarget hppa*64*-*-linux*] } {
 230             setup_xfail "hppa*-*-linux*"
 231         }
 232         if { [istarget sparc*-*-linux*] && [is_elf64 $tmpdir/mainnp.o] } {
 233             setup_xfail "sparc*-*-linux*"
 234         }
 235         setup_xfail "x86_64-*-linux*"
 236         setup_xfail "s390x-*-linux*"
 237         if [ string match $shared_needs_pic "yes" ] {
 238             setup_xfail "arm*-*-linux*"
 239         }
 240         shared_test shnp "shared (non PIC)" mainnp.o sh1np.o sh2np.o shared
 241
 242         # Test ELF shared library relocations with a non-zero load
 243         # address for the library.  Near as I can tell, the R_*_RELATIVE
 244         # relocations for various targets are broken in the case where
 245         # the load address is not zero (which is the default).
 246         setup_xfail "*-*-sunos4*"
 247         setup_xfail "*-*-linux*libc1"
 248         setup_xfail "powerpc-*-linux*"
 249         setup_xfail "ia64-*-linux*"
 250         setup_xfail "alpha*-*-linux*"
 251         setup_xfail "mips*-*-linux*"
 252         if { ![istarget hppa*64*-*-linux*] } {
 253             setup_xfail "hppa*-*-linux*"
 254         }
 255         if { [istarget sparc*-*-linux*] && [is_elf64 $tmpdir/mainnp.o] } {
 256             setup_xfail "sparc*-*-linux*"
 257         }
 258         setup_xfail "x86_64-*-linux*"
 259         setup_xfail "s390x-*-linux*"
 260         if [ string match $shared_needs_pic "yes" ] {
 261             setup_xfail "arm*-*-linux*"
 262         }
 263         shared_test shnp "shared (non PIC, load offset)" \
 264                 mainnp.o sh1np.o sh2np.o shared \
 265                 "-T $srcdir/$subdir/elf-offset.ld"
 266     } }
 267
 268     # Now compile the code using -fpic.
 269
 270     if { ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o]
 271          || ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/sh2.c $tmpdir/sh2p.o] } {
 272         unresolved "shared"
 273     } else {
 274         # SunOS can not compare function pointers correctly
 275         if [istarget "*-*-sunos4*"] {
 276             shared_test shp "shared" mainnp.o sh1p.o sh2p.o sun4
 277         } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 278             shared_test shp "shared" mainnp.o sh1p.o sh2p.o xcoff
 279         } else {
 280             shared_test shp "shared" mainnp.o sh1p.o sh2p.o shared
 281             ld_compile "$CC $CFLAGS -DSYMBOLIC_TEST -DXCOFF_TEST $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o
 282             ld_compile "$CC $CFLAGS -DSYMBOLIC_TEST -DXCOFF_TEST $SHCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o
 283             shared_test shp "shared -Bsymbolic" mainnp.o sh1p.o sh2p.o symbolic "-Bsymbolic"
 284             ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o
 285             ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o
 286         } }
 287     }
 288 }
 289
 290 # Now do the same tests again, but this time compile main.c PIC.
 291 if ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/main.c $tmpdir/mainp.o] {
 292     unresolved "shared (PIC main, non PIC so)"
 293     unresolved "shared (PIC main)"
 294 } else {
 295     if { [file exists $tmpdir/sh1np.o ] && [ file exists $tmpdir/sh2np.o ] } {
 296         if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 297             shared_test shmpnp "shared (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o xcoff
 298         } else {
 299             # SunOS non PIC shared libraries don't permit some cases of
 300             # overriding.
 301             setup_xfail "*-*-sunos4*"
 302             setup_xfail "ia64-*-linux*"
 303             setup_xfail "alpha*-*-linux*"
 304             if { ![istarget hppa*64*-*-linux*] } {
 305                 setup_xfail "hppa*-*-linux*"
 306             }
 307             if { [istarget sparc*-*-linux*] && [is_elf64 $tmpdir/mainp.o] } {
 308                 setup_xfail "sparc*-*-linux*"
 309             }
 310             setup_xfail "x86_64-*-linux*"
 311             setup_xfail "s390x-*-linux*"
 312             if [ string match $shared_needs_pic "yes" ] {
 313                 setup_xfail "arm*-*-linux*"
 314             }
 315             shared_test shmpnp "shared (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o shared
 316         }
 317     } else {
 318         unresolved "shared (PIC main, non PIC so)"
 319     }
 320
 321     if { [file exists $tmpdir/sh1p.o ] && [ file exists $tmpdir/sh2p.o ] } {
 322         if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 323             shared_test shmpp "shared (PIC main)" mainp.o sh1p.o sh2p.o xcoff
 324         } else {
 325             shared_test shmpp "shared (PIC main)" mainp.o sh1p.o sh2p.o shared
 326         }
 327     } else {
 328         unresolved "shared (PIC main)"
 329     }
 330 }
 331
 332 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
 333     # Remove the temporary directory.
 334     catch "exec rm -rf $tmpdir" exec_status
 335 }