# Expect script for ld-visibility tests
-# Copyright 2000, 2001, 2003 Free Software Foundation, Inc.
+# Copyright (C) 2000-2020 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.
+# Check to see if the C compiler works
+if { ![check_compiler_available] } {
+ return
+}
+
# 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 i?86-*-gnu*] \
+ && ![istarget *-*-nacl*] \
&& ![istarget ia64-*-linux*] \
&& ![istarget m68k-*-linux*] \
&& ![istarget mips*-*-linux*] \
- && ![istarget powerpc-*-linux*] \
+ && ![istarget powerpc*-*-linux*] \
&& ![istarget arm*-*-linux*] \
&& ![istarget alpha*-*-linux*] \
&& ![istarget sparc*-*-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.
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"
+set COMPRESS_LDFLAG "-Wl,--compress-debug-sections=zlib-gabi"
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 $tmpdir/movw-detect.o"] {
+ set shared_needs_pic "yes"
+ }
+ }
+}
+
set support_protected "no"
-if [istarget *-*-linux*] {
+if { [istarget *-*-linux*]
+ || [istarget *-*-nacl*]
+ || [istarget *-*-gnu*] } {
if [ld_compile "$CC -g $CFLAGS -DPROTECTED_CHECK" $srcdir/$subdir/main.c $tmpdir/main.o] {
- if [ld_simple_link $CC $tmpdir/main "$tmpdir/main.o"] {
+ if [ld_link $CC $tmpdir/main "$tmpdir/main.o"] {
catch "exec $tmpdir/main" support_protected
}
}
if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
set shared "-bM:SRE -bE:$tmpdir/xcoff.exp"
}
- if {![ld_simple_link $CC $tmpdir/$progname.so "$shared $shldflags $tmpdir/$sh1 $tmpdir/$sh2"]} {
+ if { [is_elf_format] && [check_shared_lib_support] } {
+ append shared " -Wl,-z,notext"
+ }
+ if {![ld_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_simple_link $CC $tmpdir/$progname "-Wl,-rpath,$rpath $tmpdir/$main $tmpdir/$progname.so"] {
+ if ![ld_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_def\'" $link_output]
- && [regexp ".*/main.c.*: undefined reference to \`visibility_func\'" $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 "$testname"
fail "$testname"
}
+ if ![isnative] {
+ unsupported "$testname"
+ return
+ }
+
# Run the resulting program
send_log "$tmpdir/$progname >$tmpdir/$progname.out\n"
verbose "$tmpdir/$progname >$tmpdir/$progname.out"
global picflag
global target_triplet
global support_protected
+ global shared_needs_pic
+ global PLT_CFLAGS
+ global NOPIE_CFLAGS
+ global COMPRESS_LDFLAG
if [ string match $visibility "hidden" ] {
set VSBCFLAG "-DHIDDEN_TEST"
set VSBCFLAG ""
}}}}}}}}}
- # Compile the main program.
- if ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o] {
+ # Ensure we always start with a clean slate, for the "file exists"
+ # tests below.
+ remote_file host delete $tmpdir/sh1p.o $tmpdir/sh2p.o $tmpdir/sh1np.o $tmpdir/sh2np.o
+
+ if { [istarget powerpc*-*-linux*] \
+ || ( [istarget mips*-*-linux*] && [at_least_gcc_version 4 3] )} {
+ # Testing non-PIC libraries is a waste of effort on any target.
+ # If you don't pass -fpic or -fPIC to gcc, gcc will assume quite
+ # reasonably that you are not compiling for a shared library.
+ # It can then make optimisations that result in shared library
+ # functions and variables not being overridable. Newer versions
+ # of gcc are more likely to do this.
+ } else {
+ # Compile the main program. Make sure that PLT is used since PLT
+ # is expected.
+ if ![ld_compile "$CC -g $PLT_CFLAGS $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o] {
unresolved "visibility ($visibility) (non PIC)"
unresolved "visibility ($visibility)"
} else {
# although it will be less efficient because the dynamic linker
# will need to do more relocation work. However, note that not
# using -fpic will cause some of the tests to return different
- # results.
- if { ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/sh1.c $tmpdir/sh1np.o]
- || ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/sh2.c $tmpdir/sh2np.o] } {
+ # results. Make sure that PLT is used since PLT is expected.
+ if { ![ld_compile "$CC -g $NOPIE_CFLAGS $PLT_CFLAGS $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/sh1.c $tmpdir/sh1np.o]
+ || ![ld_compile "$CC -g $NOPIE_CFLAGS $PLT_CFLAGS $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
if [ string match $support_protected "no" ] {
setup_xfail $target_triplet
}
- } else {
- setup_xfail "*-*-sunos4*"
}
# Non-pic code uses name binding rules for applications to
&& ![ 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*"
}
- setup_xfail "x86_64-*-linux*"
visibility_test $visibility vnp "visibility ($visibility) (non PIC)" mainnp.o sh1np.o sh2np.o elfvsb
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_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 "alpha*-*-linux*"
setup_xfail "mips*-*-linux*"
}
- setup_xfail "x86_64-*-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"
+ "-Wl,-T,$srcdir/$subdir/elf-offset.ld,--hash-style=sysv"
} }
# 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 $tmpdir/sh2p.o] } {
+ if { ![ld_compile "$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" ]
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*] } {
+ 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
- } }
+ visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o elfvsb $COMPRESS_LDFLAG
+ }
}
- }
+ }}
+ if { [istarget powerpc*-*-linux*] } {
+ # Don't bother.
+ } else {
# Now do the same tests again, but this time compile main.c PIC.
- if ![ld_compile "$CC -g $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 {
- if { [file exists $tmpdir/sh1np.o ] && [ file exists $tmpdir/sh2np.o ] } {
+ if { [ remote_file host exists $tmpdir/sh1np.o ]
+ && [ remote_file host 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 {
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" ] } {
&& ![ 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 { [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 {
unresolved "visibility (PIC main, non PIC so)"
}
- if { [file exists $tmpdir/sh1p.o ] && [ file exists $tmpdir/sh2p.o ] } {
+ if { [ remote_file host exists $tmpdir/sh1p.o ]
+ && [ remote_file host exists $tmpdir/sh2p.o ] } {
if { [ string match $visibility "protected" ]
|| [ string match $visibility "protected_undef_def" ] } {
if [ string match $support_protected "no" ] {
} else {
unresolved "visibility ($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
|| [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"
- }
+ set picflag "-KPIC"
}
}
verbose "Using $picflag to compile PIC code"
if { ![ld_compile "$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"] {
+ if ![ld_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] } {
+ 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"] {
+ if ![ld_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"] {
+ if ![ld_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"] {
+ if ![ld_link $ld tmpdir/weak "tmpdir/sh3.so tmpdir/test.o"] {
fail "weak hidden symbol DSO first"
} else {
pass "weak hidden symbol DSO first"
projects / deliverable / binutils-gdb.git / blobdiff