| 1 | # Expect script for ld-shared tests
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| 2 | # Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2003
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| 3 | # Free Software Foundation, Inc.
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| 4 | #
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| 5 | # This file is free software; you can redistribute it and/or modify
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| 6 | # it under the terms of the GNU General Public License as published by
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| 7 | # the Free Software Foundation; either version 2 of the License, or
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| 8 | # (at your option) any later version.
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| 9 | #
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| 10 | # This program is distributed in the hope that it will be useful,
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| 11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 13 | # GNU General Public License for more details.
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| 14 | #
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| 15 | # You should have received a copy of the GNU General Public License
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| 16 | # along with this program; if not, write to the Free Software
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| 17 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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| 18 | #
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| 19 | # Written by Ian Lance Taylor (ian@cygnus.com)
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| 20 | #
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| 21 |
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| 22 | # Make sure that ld can generate ELF shared libraries.
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| 23 | # Note that linking against ELF shared libraries is tested by the
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| 24 | # bootstrap test.
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| 25 |
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| 26 | # This test can only be run if ld generates native executables.
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| 27 | if ![isnative] then {return}
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| 28 |
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| 29 | # This test can only be run on a couple of ELF platforms.
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| 30 | # Square bracket expressions seem to confuse istarget.
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| 31 | if { ![istarget hppa*64*-*-hpux*] \
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| 32 | && ![istarget hppa*-*-linux*] \
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| 33 | && ![istarget i?86-*-sysv4*] \
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| 34 | && ![istarget i?86-*-unixware] \
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| 35 | && ![istarget i?86-*-elf*] \
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| 36 | && ![istarget i?86-*-linux*] \
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| 37 | && ![istarget ia64-*-elf*] \
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| 38 | && ![istarget ia64-*-linux*] \
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| 39 | && ![istarget m68k-*-linux*] \
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| 40 | && ![istarget mips*-*-irix5*] \
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| 41 | && ![istarget mips*-*-linux*] \
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| 42 | && ![istarget powerpc-*-elf*] \
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| 43 | && ![istarget powerpc-*-linux*] \
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| 44 | && ![istarget powerpc-*-sysv4*] \
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| 45 | && ![istarget sparc*-*-elf] \
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| 46 | && ![istarget sparc*-*-solaris2*] \
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| 47 | && ![istarget sparc*-*-sunos4*] \
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| 48 | && ![istarget sparc*-*-linux*] \
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| 49 | && ![istarget arm*-*-linux*] \
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| 50 | && ![istarget alpha*-*-linux*] \
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| 51 | && ![istarget rs6000*-*-aix*] \
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| 52 | && ![istarget powerpc*-*-aix*] \
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| 53 | && ![istarget s390*-*-linux*] \
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| 54 | && ![istarget x86_64-*-linux*] } {
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| 55 | return
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| 56 | }
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| 57 |
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| 58 | if { [istarget *-*-linux*aout*] \
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| 59 | || [istarget *-*-linux*oldld*] } {
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| 60 | return
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| 61 | }
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| 62 |
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| 63 | set tmpdir tmpdir
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| 64 | set SHCFLAG ""
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| 65 |
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| 66 | if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
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| 67 |
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| 68 | # AIX shared libraries do not seem to support useful features,
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| 69 | # like overriding the shared library function or letting the
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| 70 | # shared library refer to objects defined in the main program. We
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| 71 | # avoid testing those features.
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| 72 | set SHCFLAG "-DXCOFF_TEST"
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| 73 |
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| 74 | # The AIX 3.2.5 loader appears to randomly fail when loading
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| 75 | # shared libraries from NSF mounted partitions, so we avoid any
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| 76 | # potential problems by using a local directory.
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| 77 | catch {exec /bin/sh -c "echo $$"} pid
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| 78 | set tmpdir /usr/tmp/ld.$pid
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| 79 | catch "exec mkdir $tmpdir" exec_status
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| 80 |
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| 81 | # On AIX, we need to explicitly export the symbols the shared
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| 82 | # library is going to provide, and need.
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| 83 | set file [open $tmpdir/xcoff.exp w]
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| 84 | puts $file shlibvar1
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| 85 | puts $file shlibvar2
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| 86 | puts $file shlib_shlibvar1
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| 87 | puts $file shlib_shlibvar2
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| 88 | puts $file shlib_shlibcall
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| 89 | puts $file shlib_shlibcalled
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| 90 | puts $file shlib_checkfunptr1
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| 91 | puts $file shlib_getfunptr1
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| 92 | puts $file shlib_check
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| 93 | close $file
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| 94 | }
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| 95 |
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| 96 | # The test procedure.
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| 97 | proc shared_test { progname testname main sh1 sh2 dat args } {
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| 98 | global ld
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| 99 | global srcdir
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| 100 | global subdir
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| 101 | global exec_output
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| 102 | global host_triplet
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| 103 | global tmpdir
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| 104 |
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| 105 | if [llength $args] { set shldflags [lindex $args 0] } else { set shldflags "" }
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| 106 |
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| 107 | # Build the shared library.
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| 108 | # On AIX, we need to use an export file.
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| 109 | set shared -shared
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| 110 | if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
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| 111 | set shared "-bM:SRE -bE:$tmpdir/xcoff.exp"
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| 112 | }
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| 113 | if {![ld_simple_link $ld $tmpdir/$progname.so "$shared $shldflags $tmpdir/$sh1 $tmpdir/$sh2"]} {
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| 114 | fail "$testname"
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| 115 | return
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| 116 | }
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| 117 |
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| 118 | # Link against the shared library. Use -rpath so that the
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| 119 | # dynamic linker can locate the shared library at runtime.
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| 120 | # On AIX, we must include /lib in -rpath, as otherwise the loader
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| 121 | # can not find -lc.
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| 122 | set rpath $tmpdir
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| 123 | if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
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| 124 | set rpath /lib:$tmpdir
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| 125 | }
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| 126 | if ![ld_link $ld $tmpdir/$progname "-rpath $rpath $tmpdir/$main $tmpdir/$progname.so"] {
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| 127 | fail "$testname"
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| 128 | return
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| 129 | }
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| 130 |
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| 131 | # Run the resulting program
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| 132 | send_log "$tmpdir/$progname >$tmpdir/$progname.out\n"
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| 133 | verbose "$tmpdir/$progname >$tmpdir/$progname.out"
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| 134 | catch "exec $tmpdir/$progname >$tmpdir/$progname.out" exec_output
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| 135 | if ![string match "" $exec_output] then {
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| 136 | send_log "$exec_output\n"
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| 137 | verbose "$exec_output"
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| 138 | fail "$testname"
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| 139 | return
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| 140 | }
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| 141 |
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| 142 | send_log "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat\n"
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| 143 | verbose "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat"
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| 144 | catch "exec diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat" exec_output
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| 145 | set exec_output [prune_warnings $exec_output]
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| 146 |
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| 147 | if {![string match "" $exec_output]} then {
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| 148 | send_log "$exec_output\n"
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| 149 | verbose "$exec_output"
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| 150 | fail "$testname"
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| 151 | return
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| 152 | }
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| 153 |
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| 154 | pass "$testname"
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| 155 | }
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| 156 |
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| 157 | if [istarget mips*-*-*] {
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| 158 | set picflag ""
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| 159 | } else {
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| 160 | # Unfortunately, the gcc argument is -fpic and the cc argument is
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| 161 | # -KPIC. We have to try both.
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| 162 | set picflag "-fpic"
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| 163 | send_log "$CC $picflag\n"
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| 164 | verbose "$CC $picflag"
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| 165 | catch "exec $CC $picflag" exec_output
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| 166 | send_log "$exec_output\n"
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| 167 | verbose "--" "$exec_output"
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| 168 | if { [string match "*illegal option*" $exec_output] \
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| 169 | || [string match "*option ignored*" $exec_output] \
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| 170 | || [string match "*unrecognized option*" $exec_output] \
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| 171 | || [string match "*passed to ld*" $exec_output] } {
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| 172 | if [istarget *-*-sunos4*] {
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| 173 | set picflag "-pic"
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| 174 | } else {
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| 175 | set picflag "-KPIC"
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| 176 | }
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| 177 | }
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| 178 | }
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| 179 | verbose "Using $picflag to compile PIC code"
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| 180 |
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| 181 | # Compile the main program.
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| 182 | if ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o] {
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| 183 | unresolved "shared (non PIC)"
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| 184 | unresolved "shared"
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| 185 | } else {
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| 186 | # The shared library is composed of two files. First compile them
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| 187 | # without using -fpic. That should work on an ELF system,
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| 188 | # although it will be less efficient because the dynamic linker
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| 189 | # will need to do more relocation work. However, note that not
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| 190 | # using -fpic will cause some of the tests to return different
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| 191 | # results.
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| 192 | if { ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/sh1.c $tmpdir/sh1np.o]
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| 193 | || ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/sh2.c $tmpdir/sh2np.o] } {
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| 194 | unresolved "shared (non PIC)"
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| 195 | } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
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| 196 | shared_test shnp "shared (nonPIC)" mainnp.o sh1np.o sh2np.o xcoff
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| 197 | } else {
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| 198 | # SunOS non PIC shared libraries don't permit some cases of
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| 199 | # overriding.
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| 200 | setup_xfail "*-*-sunos4*"
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| 201 | setup_xfail "ia64-*-linux*"
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| 202 | setup_xfail "alpha*-*-linux*"
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| 203 | setup_xfail "x86_64-*-linux*"
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| 204 | setup_xfail "s390x-*-linux*"
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| 205 | shared_test shnp "shared (non PIC)" mainnp.o sh1np.o sh2np.o shared
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| 206 |
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| 207 | # Test ELF shared library relocations with a non-zero load
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| 208 | # address for the library. Near as I can tell, the R_*_RELATIVE
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| 209 | # relocations for various targets are broken in the case where
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| 210 | # the load address is not zero (which is the default).
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| 211 | setup_xfail "*-*-sunos4*"
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| 212 | setup_xfail "*-*-linux*libc1"
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| 213 | setup_xfail "powerpc-*-linux*"
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| 214 | setup_xfail "ia64-*-linux*"
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| 215 | setup_xfail "alpha*-*-linux*"
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| 216 | setup_xfail "mips*-*-linux*"
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| 217 | setup_xfail "x86_64-*-linux*"
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| 218 | shared_test shnp "shared (non PIC, load offset)" \
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| 219 | mainnp.o sh1np.o sh2np.o shared \
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| 220 | "-T $srcdir/$subdir/elf-offset.ld"
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| 221 | } }
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| 222 |
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| 223 | # Now compile the code using -fpic.
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| 224 |
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| 225 | if { ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o]
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| 226 | || ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/sh2.c $tmpdir/sh2p.o] } {
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| 227 | unresolved "shared"
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| 228 | } else {
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| 229 | # SunOS can not compare function pointers correctly
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| 230 | if [istarget "*-*-sunos4*"] {
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| 231 | shared_test shp "shared" mainnp.o sh1p.o sh2p.o sun4
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| 232 | } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
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| 233 | shared_test shp "shared" mainnp.o sh1p.o sh2p.o xcoff
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| 234 | } else {
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| 235 | shared_test shp "shared" mainnp.o sh1p.o sh2p.o shared
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| 236 | ld_compile "$CC $CFLAGS -DSYMBOLIC_TEST -DXCOFF_TEST $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o
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| 237 | ld_compile "$CC $CFLAGS -DSYMBOLIC_TEST -DXCOFF_TEST $SHCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o
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| 238 | shared_test shp "shared -Bsymbolic" mainnp.o sh1p.o sh2p.o symbolic "-Bsymbolic"
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| 239 | ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o
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| 240 | ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o
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| 241 | } }
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| 242 | }
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| 243 | }
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| 244 |
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| 245 | # Now do the same tests again, but this time compile main.c PIC.
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| 246 | if ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/main.c $tmpdir/mainp.o] {
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| 247 | unresolved "shared (PIC main, non PIC so)"
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| 248 | unresolved "shared (PIC main)"
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| 249 | } else {
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| 250 | if { [file exists $tmpdir/sh1np.o ] && [ file exists $tmpdir/sh2np.o ] } {
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| 251 | if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
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| 252 | shared_test shmpnp "shared (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o xcoff
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| 253 | } else {
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| 254 | # SunOS non PIC shared libraries don't permit some cases of
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| 255 | # overriding.
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| 256 | setup_xfail "*-*-sunos4*"
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| 257 | setup_xfail "ia64-*-linux*"
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| 258 | setup_xfail "alpha*-*-linux*"
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| 259 | setup_xfail "x86_64-*-linux*"
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| 260 | setup_xfail "s390x-*-linux*"
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| 261 | shared_test shmpnp "shared (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o shared
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| 262 | }
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| 263 | } else {
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| 264 | unresolved "shared (PIC main, non PIC so)"
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| 265 | }
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| 266 |
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| 267 | if { [file exists $tmpdir/sh1p.o ] && [ file exists $tmpdir/sh2p.o ] } {
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| 268 | if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
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| 269 | shared_test shmpp "shared (PIC main)" mainp.o sh1p.o sh2p.o xcoff
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| 270 | } else {
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| 271 | shared_test shmpp "shared (PIC main)" mainp.o sh1p.o sh2p.o shared
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| 272 | }
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| 273 | } else {
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| 274 | unresolved "shared (PIC main)"
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| 275 | }
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| 276 | }
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| 277 |
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| 278 | if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
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| 279 | # Remove the temporary directory.
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| 280 | catch "exec rm -rf $tmpdir" exec_status
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| 281 | }
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