# Expect script for ld-visibility tests
# Copyright 2000, 2001, 2003, 2004 Free Software Foundation, Inc.
#
# This file is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# Written by Ian Lance Taylor (ian@cygnus.com)
# and H.J. Lu (hjl@gnu.org)
#
# Make sure that ld can generate ELF shared libraries with visibility.
# This test can only be run on a couple of ELF platforms.
# Square bracket expressions seem to confuse istarget.
if { ![istarget hppa*64*-*-hpux*] \
&& ![istarget hppa*-*-linux*] \
&& ![istarget i?86-*-linux*] \
&& ![istarget ia64-*-linux*] \
&& ![istarget m68k-*-linux*] \
&& ![istarget mips*-*-linux*] \
&& ![istarget powerpc*-*-linux*] \
&& ![istarget arm*-*-linux*] \
&& ![istarget alpha*-*-linux*] \
&& ![istarget sparc*-*-linux*] \
&& ![istarget s390*-*-linux*] \
&& ![istarget sh\[34\]*-*-linux*] \
&& ![istarget x86_64-*-linux*] } {
return
}
if { [istarget *-*-linux*aout*] \
|| [istarget *-*-linux*oldld*] } {
return
}
set test_list [lsort [glob -nocomplain $srcdir/$subdir/*.d]]
foreach t $test_list {
# We need to strip the ".d", but can leave the dirname.
verbose [file rootname $t]
run_dump_test [file rootname $t]
}
# The remaining tests can only be run if ld generates native executables.
if ![isnative] then {return}
set tmpdir tmpdir
set SHCFLAG ""
if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
# AIX shared libraries do not seem to support useful features,
# like overriding the shared library function or letting the
# shared library refer to objects defined in the main program. We
# avoid testing those features.
set SHCFLAG "-DXCOFF_TEST"
# The AIX 3.2.5 loader appears to randomly fail when loading
# shared libraries from NSF mounted partitions, so we avoid any
# potential problems by using a local directory.
catch {exec /bin/sh -c "echo $$"} pid
set tmpdir /usr/tmp/ld.$pid
catch "exec mkdir $tmpdir" exec_status
# On AIX, we need to explicitly export the symbols the shared
# library is going to provide, and need.
set file [open $tmpdir/xcoff.exp w]
puts $file shlibvar1
puts $file shlibvar2
puts $file shlib_shlibvar1
puts $file shlib_shlibvar2
puts $file shlib_shlibcall
puts $file shlib_shlibcalled
puts $file shlib_checkfunptr1
puts $file shlib_getfunptr1
puts $file shlib_check
close $file
}
set support_protected "no"
if [istarget *-*-linux*] {
if [ld_compile "$CC -g $CFLAGS -DPROTECTED_CHECK" $srcdir/$subdir/main.c $tmpdir/main.o] {
if [ld_simple_link $CC $tmpdir/main "$tmpdir/main.o"] {
catch "exec $tmpdir/main" support_protected
}
}
}
# The test procedure.
proc visibility_test { visibility progname testname main sh1 sh2 dat args } {
global CC
global srcdir
global subdir
global exec_output
global link_output
global host_triplet
global tmpdir
if [llength $args] { set shldflags [lindex $args 0] } else { set shldflags "" }
# Build the shared library.
# On AIX, we need to use an export file.
set shared -shared
if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
set shared "-bM:SRE -bE:$tmpdir/xcoff.exp"
}
if {![ld_simple_link $CC $tmpdir/$progname.so "$shared $shldflags $tmpdir/$sh1 $tmpdir/$sh2"]} {
if { [ string match $visibility "hidden_undef" ]
&& [regexp ".*/sh1.c.*: undefined reference to \`visibility\'" $link_output]
&& [regexp ".*/sh1.c.*: undefined reference to \`visibility_var\'" $link_output] } {
pass "$testname"
} else { if { [ string match $visibility "protected_undef" ]
&& [regexp ".*/sh1.c.*: undefined reference to \`visibility\'" $link_output]
&& [regexp ".*/sh1.c.*: undefined reference to \`visibility_var\'" $link_output] } {
pass "$testname"
} else {
fail "$testname"
}}
return
}
# Link against the shared library. Use -rpath so that the
# dynamic linker can locate the shared library at runtime.
# On AIX, we must include /lib in -rpath, as otherwise the loader
# can not find -lc.
set rpath $tmpdir
if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
set rpath /lib:$tmpdir
}
if ![ld_simple_link $CC $tmpdir/$progname "-Wl,-rpath,$rpath $tmpdir/$main $tmpdir/$progname.so"] {
if { [ string match $visibility "hidden" ]
&& [regexp ".*/main.c.*: undefined reference to \`visibility\'" $link_output]
&& [regexp ".*/main.c.*: undefined reference to \`visibility_var\'" $link_output] } {
pass "$testname"
} else { if { [ string match $visibility "hidden_undef_def" ]
&& [regexp ".*/main.c.*: undefined reference to \`visibility\'" $link_output]
&& [regexp ".*/main.c.*: undefined reference to \`visibility_def\'" $link_output]
&& [regexp ".*/main.c.*: undefined reference to \`visibility_func\'" $link_output]
&& [regexp ".*/main.c.*: undefined reference to \`visibility_var\'" $link_output] } {
pass "$testname"
} else {
fail "$testname"
}}
return
}
if { [ string match $visibility "hidden" ]
|| [ string match $visibility "hidden_undef" ]
|| [ string match $visibility "protected_undef" ] } {
fail "$testname"
}
# Run the resulting program
send_log "$tmpdir/$progname >$tmpdir/$progname.out\n"
verbose "$tmpdir/$progname >$tmpdir/$progname.out"
catch "exec $tmpdir/$progname >$tmpdir/$progname.out" exec_output
if ![string match "" $exec_output] then {
send_log "$exec_output\n"
verbose "$exec_output"
fail "$testname"
return
}
send_log "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat\n"
verbose "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat"
catch "exec diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat" exec_output
set exec_output [prune_warnings $exec_output]
if {![string match "" $exec_output]} then {
send_log "$exec_output\n"
verbose "$exec_output"
fail "$testname"
return
}
pass "$testname"
}
proc visibility_run {visibility} {
global CC
global CFLAGS
global SHCFLAG
global srcdir
global subdir
global tmpdir
global picflag
global target_triplet
global support_protected
if [ string match $visibility "hidden" ] {
set VSBCFLAG "-DHIDDEN_TEST"
} else { if [ string match $visibility "hidden_normal" ] {
set VSBCFLAG "-DHIDDEN_NORMAL_TEST"
} else { if [ string match $visibility "hidden_undef" ] {
set VSBCFLAG "-DHIDDEN_UNDEF_TEST"
} else { if [ string match $visibility "hidden_undef_def" ] {
set VSBCFLAG "-DHIDDEN_UNDEF_TEST -DDSO_DEFINE_TEST"
} else { if [ string match $visibility "hidden_weak" ] {
set VSBCFLAG "-DHIDDEN_WEAK_TEST"
} else { if [ string match $visibility "protected" ] {
set VSBCFLAG "-DPROTECTED_TEST"
} else { if [ string match $visibility "protected_undef" ] {
set VSBCFLAG "-DPROTECTED_UNDEF_TEST"
} else { if [ string match $visibility "protected_undef_def" ] {
set VSBCFLAG "-DPROTECTED_UNDEF_TEST -DDSO_DEFINE_TEST"
} else { if [ string match $visibility "protected_weak" ] {
set VSBCFLAG "-DPROTECTED_WEAK_TEST"
} else {
set VSBCFLAG ""
}}}}}}}}}
# Compile the main program.
if ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o] {
unresolved "visibility ($visibility) (non PIC)"
unresolved "visibility ($visibility)"
} else {
# The shared library is composed of two files. First compile them
# without using -fpic. That should work on an ELF system,
# although it will be less efficient because the dynamic linker
# will need to do more relocation work. However, note that not
# using -fpic will cause some of the tests to return different
# results.
if { ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/sh1.c $tmpdir/sh1np.o]
|| ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/sh2.c $tmpdir/sh2np.o] } {
unresolved "visibility ($visibility) (non PIC)"
} else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
visibility_test $visibility vnp "visibility ($visibility) (non PIC)" mainnp.o sh1np.o sh2np.o xcoff
} else {
# SunOS non PIC shared libraries don't permit some cases of
# overriding.
if { [ string match $visibility "protected" ]
|| [ string match $visibility "protected_undef_def" ] } {
if [ string match $support_protected "no" ] {
setup_xfail $target_triplet
}
} else {
setup_xfail "*-*-sunos4*"
}
# Non-pic code uses name binding rules for applications to
# reference variables by gp-relative relocs, which can't be
# used with overridable symbols.
if { ![ string match $visibility "hidden_undef" ]
&& ![ string match $visibility "protected_undef" ] } {
setup_xfail "ia64-*-linux*"
setup_xfail "alpha*-*-linux*"
}
if { ![ string match $visibility "hidden" ]
&& ![ string match $visibility "hidden_undef" ]
&& ![ string match $visibility "hidden_undef_def" ]
&& ![ string match $visibility "protected_undef" ] } {
setup_xfail "s390x-*-linux*"
if { [istarget sparc*-*-linux*] && [is_elf64 $tmpdir/mainnp.o] } {
setup_xfail "sparc*-*-linux*"
}
}
setup_xfail "x86_64-*-linux*"
if { ![istarget hppa*64*-*-linux*] } {
setup_xfail "hppa*-*-linux*"
}
visibility_test $visibility vnp "visibility ($visibility) (non PIC)" mainnp.o sh1np.o sh2np.o elfvsb
# Test ELF shared library relocations with a non-zero load
# address for the library. Near as I can tell, the R_*_RELATIVE
# relocations for various targets are broken in the case where
# the load address is not zero (which is the default).
if { [ string match $visibility "protected" ]
|| [ string match $visibility "protected_undef_def" ] } {
if [ string match $support_protected "no" ] {
setup_xfail $target_triplet
}
} else {
setup_xfail "*-*-sunos4*"
setup_xfail "*-*-linux*libc1"
}
if { [ string match $visibility "hidden_normal" ]
|| [ string match $visibility "hidden_weak" ]
|| [ string match $visibility "protected" ]
|| [ string match $visibility "protected_undef_def" ]
|| [ string match $visibility "protected_weak" ]
|| [ string match $visibility "normal" ] } {
setup_xfail "powerpc-*-linux*"
setup_xfail "s390x-*-linux*"
if { [istarget sparc*-*-linux*] && [is_elf64 $tmpdir/mainnp.o] } {
setup_xfail "sparc*-*-linux*"
}
}
if { ![ string match $visibility "hidden_undef" ]
&& ![ string match $visibility "protected_undef" ] } {
setup_xfail "ia64-*-linux*"
setup_xfail "alpha*-*-linux*"
setup_xfail "mips*-*-linux*"
}
setup_xfail "x86_64-*-linux*"
if { ![istarget hppa*64*-*-linux*] } {
setup_xfail "hppa*-*-linux*"
}
visibility_test $visibility vnp "visibility ($visibility) (non PIC, load offset)" \
mainnp.o sh1np.o sh2np.o elfvsb \
"-T $srcdir/$subdir/elf-offset.ld"
} }
# Now compile the code using -fpic.
if { ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o]
|| ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG $picflag" $srcdir/$subdir/sh2.c $tmpdir/sh2p.o] } {
unresolved "visibility ($visibility)"
} else {
if { [ string match $visibility "protected" ]
|| [ string match $visibility "protected_undef_def" ] } {
if [ string match $support_protected "no" ] {
setup_xfail $target_triplet
}
}
# SunOS can not compare function pointers correctly
if [istarget "*-*-sunos4*"] {
visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o sun4
} else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o xcoff
} else {
visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o elfvsb
} }
}
}
# Now do the same tests again, but this time compile main.c PIC.
if ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG $picflag" $srcdir/$subdir/main.c $tmpdir/mainp.o] {
unresolved "visibility ($visibility) (PIC main, non PIC so)"
unresolved "visibility ($visibility) (PIC main)"
} else {
if { [file exists $tmpdir/sh1np.o ] && [ file exists $tmpdir/sh2np.o ] } {
if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
visibility_test $visibility vmpnp "visibility ($visibility) (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o xcoff
} else {
# SunOS non PIC shared libraries don't permit some cases of
# overriding.
if { [ string match $visibility "protected" ]
|| [ string match $visibility "protected_undef_def" ] } {
if [ string match $support_protected "no" ] {
setup_xfail $target_triplet
}
} else {
setup_xfail "*-*-sunos4*"
}
if { ![ string match $visibility "hidden_undef" ]
&& ![ string match $visibility "protected_undef" ] } {
setup_xfail "ia64-*-linux*"
setup_xfail "alpha*-*-linux*"
}
if { ![ string match $visibility "hidden" ]
&& ![ string match $visibility "hidden_undef" ]
&& ![ string match $visibility "hidden_undef_def" ]
&& ![ string match $visibility "protected_undef" ] } {
setup_xfail "s390x-*-linux*"
if { [istarget sparc*-*-linux*] && [is_elf64 $tmpdir/mainp.o] } {
setup_xfail "sparc*-*-linux*"
}
}
setup_xfail "x86_64-*-linux*"
if { ![istarget hppa*64*-*-linux*] } {
setup_xfail "hppa*-*-linux*"
}
visibility_test $visibility vmpnp "visibility ($visibility) (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o elfvsb
}
} else {
unresolved "visibility (PIC main, non PIC so)"
}
if { [file exists $tmpdir/sh1p.o ] && [ file exists $tmpdir/sh2p.o ] } {
if { [ string match $visibility "protected" ]
|| [ string match $visibility "protected_undef_def" ] } {
if [ string match $support_protected "no" ] {
setup_xfail $target_triplet
}
}
if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
visibility_test $visibility vmpp "visibility ($visibility) (PIC main)" mainp.o sh1p.o sh2p.o xcoff
} else {
visibility_test $visibility vmpp "visibility ($visibility) (PIC main)" mainp.o sh1p.o sh2p.o elfvsb
}
} else {
unresolved "visibility ($visibility) (PIC main)"
}
}
}
if [istarget mips*-*-*] {
set picflag ""
} else {
# Unfortunately, the gcc argument is -fpic and the cc argument is
# -KPIC. We have to try both.
set picflag "-fpic"
send_log "$CC $picflag\n"
verbose "$CC $picflag"
catch "exec $CC $picflag" exec_output
send_log "$exec_output\n"
verbose "--" "$exec_output"
if { [string match "*illegal option*" $exec_output] \
|| [string match "*option ignored*" $exec_output] \
|| [string match "*unrecognized option*" $exec_output] \
|| [string match "*passed to ld*" $exec_output] } {
if [istarget *-*-sunos4*] {
set picflag "-pic"
} else {
set picflag "-KPIC"
}
}
}
verbose "Using $picflag to compile PIC code"
visibility_run hidden
visibility_run hidden_normal
visibility_run hidden_undef
visibility_run hidden_undef_def
visibility_run hidden_weak
visibility_run protected
visibility_run protected_undef
visibility_run protected_undef_def
visibility_run protected_weak
visibility_run normal
if { ![ld_compile "$CC -g $CFLAGS" $srcdir/$subdir/common.c tmpdir/common.o] } {
unresolved "common hidden symbol"
} else {
if ![ld_simple_link $ld tmpdir/common "tmpdir/common.o"] {
fail "common hidden symbol"
} else {
pass "common hidden symbol"
}
}
if { ![ld_compile "$CC -g $CFLAGS" $srcdir/$subdir/test.c tmpdir/test.o] } {
unresolved "weak hidden symbol"
} else {
if { ![ld_compile "$CC -g $CFLAGS $picflag" $srcdir/$subdir/sh3.c tmpdir/sh3.o] } {
unresolved "weak hidden symbol"
} else {
if ![ld_simple_link $ld tmpdir/sh3.so "-shared tmpdir/sh3.o"] {
fail "weak hidden symbol"
} else {
if ![ld_simple_link $ld tmpdir/weak "tmpdir/test.o tmpdir/sh3.o"] {
fail "weak hidden symbol DSO last"
} else {
pass "weak hidden symbol DSO last"
}
if ![ld_simple_link $ld tmpdir/weak "tmpdir/sh3.so tmpdir/test.o"] {
fail "weak hidden symbol DSO first"
} else {
pass "weak hidden symbol DSO first"
}
}
}
}
if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
# Remove the temporary directory.
catch "exec rm -rf $tmpdir" exec_status
}