ld/testsuite/ld-shared/shared.exp

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