ld/testsuite/ld-shared/shared.exp

   1 # Expect script for ld-shared tests
   2 #   Copyright (C) 1994 Free Software Foundation
   3 #
   4 # This file is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program; if not, write to the Free Software
  16 # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  17 #
  18 # Written by Ian Lance Taylor (ian@cygnus.com)
  19 #
  20
  21 # Make sure that ld can generate ELF shared libraries.
  22 # Note that linking against ELF shared libraries is tested by the
  23 # bootstrap test.
  24
  25 # This test can only be run if ld generates native executables.
  26 if ![isnative] then {return}
  27
  28 # This test can only be run on a couple of ELF platforms.
  29 # Square bracket expressions seem to confuse istarget.
  30 if { ![istarget i386-*-sysv4*] \
  31      && ![istarget i486-*-sysv4*] \
  32      && ![istarget i586-*-sysv4*] \
  33      && ![istarget i386-*-unixware] \
  34      && ![istarget i486-*-unixware] \
  35      && ![istarget i586-*-unixware] \
  36      && ![istarget i386-*-elf*] \
  37      && ![istarget i486-*-elf*] \
  38      && ![istarget i586-*-elf*] \
  39      && ![istarget sparc*-*-elf] \
  40      && ![istarget sparc*-*-solaris2*]} then {
  41     return
  42 }
  43
  44 # Compile the main program.
  45 if ![ld_compile "$CC $CFLAGS" $srcdir$subdir/main.c tmpdir/main.o] {
  46     return
  47 }
  48
  49 # The shared library is composed of two files.  First compile them
  50 # without using -fpic.  That should work on an ELF system, although it
  51 # will be less efficient because the dynamic linker will need to do
  52 # more relocation work.  However, note that not using -fpic will cause
  53 # some of the tests to return different results.
  54 if ![ld_compile "$CC $CFLAGS" $srcdir$subdir/sh1.c tmpdir/sh1.o] {
  55     return
  56 }
  57 if ![ld_compile "$CC $CFLAGS" $srcdir$subdir/sh2.c tmpdir/sh2.o] {
  58     return
  59 }
  60
  61 # Build the shared library.
  62 if ![ld_simple_link $ld tmpdir/shnonpic.so {-shared tmpdir/sh1.o tmpdir/sh2.o}] {
  63     fail "shared (non PIC)"
  64 } else {
  65     # Link against the shared library.  Use -rpath so that the dynamic
  66     # linker can locate the shared library at runtime.
  67     if ![ld_link $ld tmpdir/shnonpic {-rpath tmpdir tmpdir/main.o tmpdir/shnonpic.so}] {
  68         fail "shared (non PIC)"
  69     } else {
  70         # Run the resulting program
  71         send_log "tmpdir/shnonpic >tmpdir/shnonpic.out\n"
  72         verbose "tmpdir/shnonpic >tmpdir/shnonpic.out"
  73         catch "exec tmpdir/shnonpic >tmpdir/shnonpic.out" exec_output
  74         if ![string match "" $exec_output] then {
  75             send_log "$exec_output\n"
  76             verbose "$exec_output"
  77             fail "shared (non PIC)"
  78         } else {
  79             send_log "diff tmpdir/shnonpic.out $srcdir$subdir/shared.dat\n"
  80             verbose "diff tmpdir/shnonpic.out $srcdir$subdir/shared.dat"
  81             catch "exec diff tmpdir/shnonpic.out $srcdir$subdir/shared.dat" exec_output
  82             if [string match "" $exec_output] then {
  83                 pass "shared (non PIC)"
  84             } else {
  85                 send_log "$exec_output\n"
  86                 verbose "$exec_output"
  87                 fail "shared (non PIC)"
  88             }
  89         }
  90     }
  91 }
  92
  93 # Now compile the code using -fpic.  Unfortunately, the gcc argument
  94 # is -fpic and the cc argument is -KPIC.  We have to try both.
  95
  96 set picflag "-fpic"
  97 send_log "$CC $picflag\n"
  98 verbose "$CC $picflag"
  99 catch "exec $CC $picflag" exec_output
 100 send_log "$exec_output\n"
 101 verbose "--" "$exec_output"
 102 if { [string match "*illegal option*" $exec_output] \
 103      || [string match "*option ignored*" $exec_output] \
 104      || [string match "*unrecognized option*" $exec_output] } then {
 105     set picflag "-KPIC"
 106 }
 107 verbose "Using $picflag to compile PIC code"
 108
 109 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir$subdir/sh1.c tmpdir/sh1.o] {
 110     return
 111 }
 112 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir$subdir/sh2.c tmpdir/sh2.o] {
 113     return
 114 }
 115
 116 # Build the shared library.
 117 if ![ld_simple_link $ld tmpdir/shpic.so {-shared tmpdir/sh1.o tmpdir/sh2.o}] {
 118     fail "shared"
 119 } else {
 120     # Link against the shared library.  Use -rpath so that the dynamic
 121     # linker can locate the shared library at runtime.
 122     if ![ld_link $ld tmpdir/shpic {-rpath tmpdir tmpdir/main.o tmpdir/shpic.so}] {
 123         fail "shared"
 124     } else {
 125         # Run the resulting program
 126         send_log "tmpdir/shpic >tmpdir/shpic.out\n"
 127         verbose "tmpdir/shpic >tmpdir/shpic.out"
 128         catch "exec tmpdir/shpic >tmpdir/shpic.out" exec_output
 129         if ![string match "" $exec_output] then {
 130             send_log "$exec_output\n"
 131             verbose "$exec_output"
 132             fail "shared"
 133         } else {
 134             send_log "diff tmpdir/shpic.out $srcdir$subdir/shared.dat\n"
 135             verbose "diff tmpdir/shpic.out $srcdir$subdir/shared.dat"
 136             catch "exec diff tmpdir/shpic.out $srcdir$subdir/shared.dat" exec_output
 137             if [string match "" $exec_output] then {
 138                 pass "shared"
 139             } else {
 140                 send_log "$exec_output\n"
 141                 verbose "$exec_output"
 142                 fail "shared"
 143             }
 144         }
 145     }
 146 }