# Expect script for ld-visibility tests
-# Copyright (C) 2000 Free Software Foundation
+# Copyright (C) 2000-2015 Free Software Foundation, Inc.
#
-# This file is free software; you can redistribute it and/or modify
+# This file is part of the GNU Binutils.
+#
+# This program 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
+# the Free Software Foundation; either version 3 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.
+# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+# MA 02110-1301, 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 if ld generates native executables.
-if ![isnative] then {return}
-
# This test can only be run on a couple of ELF platforms.
# Square bracket expressions seem to confuse istarget.
-if { ![istarget i386-*-linux*] \
- && ![istarget i486-*-linux*] \
- && ![istarget i586-*-linux*] \
- && ![istarget i686-*-linux*] \
+if { ![istarget hppa*64*-*-hpux*] \
+ && ![istarget hppa*-*-linux*] \
+ && ![istarget i?86-*-linux*] \
+ && ![istarget i?86-*-gnu*] \
+ && ![istarget *-*-nacl*] \
+ && ![istarget ia64-*-linux*] \
&& ![istarget m68k-*-linux*] \
- && ![istarget powerpc-*-linux*] \
- && ![istarget sparc*-*-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
}
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 ""
+set shared_needs_pic "no"
if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
close $file
}
+if [istarget arm*-*-linux*] {
+ # On ARM section anchors can change the symbol pre-emptability for
+ # non-PIC shared libraries, causing these tests to fail. Turn section
+ # anchors off.
+ set SHCFLAG "-fno-section-anchors"
+
+ # On targets that have MOVW the compiler will emit relocations which
+ # the linker doesn't support when compiling -shared without -fpic. The
+ # test to find out whether we want to XFAIL the non-PIC tests requires
+ # a compile - so we pre-calculate it here. We also note that this can
+ # only affect arm*-*-*eabi* targets as the old ABI doesn't support v7.
+ if [istarget arm*-*-*eabi*] {
+ set file [open $tmpdir/movw-detect.c w]
+ puts $file "void foo(void) { __asm (\"movw r0, #0\"); }"
+ close $file
+ if [run_host_cmd_yesno "$CC" "$CFLAGS -c $tmpdir/movw-detect.c -o $tmpdir/movw-detect.o"] {
+ set shared_needs_pic "yes"
+ }
+ }
+}
+
+set support_protected "no"
+
+if { [istarget *-*-linux*]
+ || [istarget *-*-nacl*]
+ || [istarget *-*-gnu*] } {
+ if [ld_compile "$CC -g $CFLAGS -DPROTECTED_CHECK" $srcdir/$subdir/main.c $tmpdir/main.o] {
+ if [ld_simple_link $CC $tmpdir/main "$tmpdir/main.o"] {
+ catch "exec $tmpdir/main" support_protected
+ }
+ }
+}
+
# The test procedure.
proc visibility_test { visibility progname testname main sh1 sh2 dat args } {
- global ld
+ global CC
global srcdir
global subdir
global exec_output
if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
set shared "-bM:SRE -bE:$tmpdir/xcoff.exp"
}
- if {![ld_simple_link $ld $tmpdir/$progname.so "$shared $shldflags $tmpdir/$sh1 $tmpdir/$sh2"]} {
+ 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] } {
+ && [regexp "undefined reference to \`\.?visibility\'" $link_output]
+ && [regexp "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] } {
+ && [regexp "undefined reference to \`\.?visibility\'" $link_output]
+ && [regexp "undefined reference to \`visibility_var\'" $link_output] } {
pass "$testname"
} else {
fail "$testname"
if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
set rpath /lib:$tmpdir
}
- if ![ld_link $ld $tmpdir/$progname "-rpath $rpath $tmpdir/$main $tmpdir/$progname.so"] {
+ 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] } {
+ && [regexp "undefined reference to \`\.?visibility\'" $link_output]
+ && [regexp "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_var\'" $link_output] } {
+ && [regexp "undefined reference to \`\.?visibility\'" $link_output]
+ && [regexp "undefined reference to \`visibility_def\'" $link_output]
+ && [regexp "undefined reference to \`\.?visibility_func\'" $link_output]
+ && [regexp "undefined reference to \`visibility_var\'" $link_output] } {
pass "$testname"
} else {
fail "$testname"
global tmpdir
global picflag
global target_triplet
+ global support_protected
+ global shared_needs_pic
if [ string match $visibility "hidden" ] {
set VSBCFLAG "-DHIDDEN_TEST"
set VSBCFLAG ""
}}}}}}}}}
+ if { [istarget powerpc*-*-linux*] \
+ || ( [istarget mips*-*-linux*] && [at_least_gcc_version 4 3] )} {
+ # Testing non-PIC libraries is a waste of effort on any target.
+ # If you don't pass -fpic or -fPIC to gcc, gcc will assume quite
+ # reasonably that you are not compiling for a shared library.
+ # It can then make optimisations that result in shared library
+ # functions and variables not being overridable. Newer versions
+ # of gcc are more likely to do this.
+ } else {
# Compile the main program.
- if ![ld_compile "$CC $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o] {
+ if ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o] {
unresolved "visibility ($visibility) (non PIC)"
unresolved "visibility ($visibility)"
} else {
# will need to do more relocation work. However, note that not
# using -fpic will cause some of the tests to return different
# results.
- if { ![ld_compile "$CC $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/sh1.c $tmpdir/sh1np.o]
- || ![ld_compile "$CC $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/sh2.c $tmpdir/sh2np.o] } {
+ if { ![ld_compile "$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) (nonPIC)" mainnp.o sh1np.o sh2np.o xcoff
+ 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" ] } {
- setup_xfail $target_triplet
+ 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*"
+ }
+ }
+ if { [is_elf64 $tmpdir/mainnp.o] } {
+ setup_xfail "x86_64-*-linux*"
+ }
+ setup_xfail "x86_64-*-linux-gnux32"
+ if { ![istarget hppa*64*-*-linux*] } {
+ setup_xfail "hppa*-*-linux*"
+ }
+ if [ string match $shared_needs_pic "yes" ] {
+ setup_xfail "arm*-*-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
# the load address is not zero (which is the default).
if { [ string match $visibility "protected" ]
|| [ string match $visibility "protected_undef_def" ] } {
- setup_xfail $target_triplet
+ 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*"
+ }
+ if { [is_elf64 $tmpdir/mainnp.o] } {
+ setup_xfail "x86_64-*-linux*"
+ }
+ setup_xfail "x86_64-*-linux-gnux32"
+ if { ![istarget hppa*64*-*-linux*] } {
+ setup_xfail "hppa*-*-linux*"
+ }
+ if [ string match $shared_needs_pic "yes" ] {
+ setup_xfail "arm*-*-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 $CFLAGS $SHCFLAG $VSBCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o]
- || ![ld_compile "$CC $CFLAGS $SHCFLAG $VSBCFLAG $picflag" $srcdir/$subdir/sh2.c $tmpdir/sh2p.o] } {
+ if { ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG -DSHARED $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o]
+ || ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG -DSHARED $picflag" $srcdir/$subdir/sh2.c $tmpdir/sh2p.o] } {
unresolved "visibility ($visibility)"
} else {
if { [ string match $visibility "protected" ]
|| [ string match $visibility "protected_undef_def" ] } {
- setup_xfail $target_triplet
+ 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 elfvsb
} }
}
- }
+ }}
+ if { [istarget powerpc*-*-linux*] } {
+ # Don't bother.
+ } else {
# Now do the same tests again, but this time compile main.c PIC.
- if ![ld_compile "$CC $CFLAGS $SHCFLAG $VSBCFLAG $picflag" $srcdir/$subdir/main.c $tmpdir/mainp.o] {
+ if ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG -DSHARED $picflag" $srcdir/$subdir/main.c $tmpdir/mainp.o] {
unresolved "visibility ($visibility) (PIC main, non PIC so)"
unresolved "visibility ($visibility) (PIC main)"
} else {
# overriding.
if { [ string match $visibility "protected" ]
|| [ string match $visibility "protected_undef_def" ] } {
- setup_xfail $target_triplet
+ 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*"
+ }
+ }
+ if { [is_elf64 $tmpdir/mainp.o] } {
+ setup_xfail "x86_64-*-linux*"
+ }
+ setup_xfail "x86_64-*-linux-gnux32"
+ if { ![istarget hppa*64*-*-linux*] } {
+ setup_xfail "hppa*-*-linux*"
+ }
+ if [ string match $shared_needs_pic "yes" ] {
+ setup_xfail "arm*-*-linux*"
+ }
+
visibility_test $visibility vmpnp "visibility ($visibility) (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o elfvsb
}
} else {
if { [file exists $tmpdir/sh1p.o ] && [ file exists $tmpdir/sh2p.o ] } {
if { [ string match $visibility "protected" ]
|| [ string match $visibility "protected_undef_def" ] } {
- setup_xfail $target_triplet
+ 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 {
unresolved "visibility ($visibility) (PIC main)"
}
- }
+ }}
}
-if [istarget mips*-*-*] {
+# Old version of GCC for MIPS default to enabling -fpic
+# and get confused if it is used on the command line.
+if { [istarget mips*-*-*] && ! [at_least_gcc_version 4 3] } then {
set picflag ""
} else {
# Unfortunately, the gcc argument is -fpic and the cc argument is
visibility_run protected_weak
visibility_run normal
+if { ![ld_compile "$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 -DSHARED $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
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