# Expect script for ld-shared tests
-# Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2003
-# Free Software Foundation, Inc.
+# Copyright (C) 1994-2022 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)
#
# Note that linking against ELF shared libraries is tested by the
# bootstrap test.
-# This test can only be run if ld generates native executables.
-if ![isnative] then {return}
+# 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.
&& ![istarget i?86-*-unixware] \
&& ![istarget i?86-*-elf*] \
&& ![istarget i?86-*-linux*] \
+ && ![istarget i?86-*-gnu*] \
+ && ![istarget *-*-nacl*] \
&& ![istarget ia64-*-elf*] \
&& ![istarget ia64-*-linux*] \
&& ![istarget m68k-*-linux*] \
&& ![istarget mips*-*-irix5*] \
&& ![istarget mips*-*-linux*] \
- && ![istarget powerpc-*-elf*] \
- && ![istarget powerpc-*-linux*] \
- && ![istarget powerpc-*-sysv4*] \
+ && ![istarget powerpc*-*-elf*] \
+ && ![istarget powerpc*-*-linux*] \
+ && ![istarget powerpc*-*-sysv4*] \
&& ![istarget sparc*-*-elf] \
&& ![istarget sparc*-*-solaris2*] \
- && ![istarget sparc*-*-sunos4*] \
&& ![istarget sparc*-*-linux*] \
&& ![istarget arm*-*-linux*] \
&& ![istarget alpha*-*-linux*] \
- && ![istarget rs6000*-*-aix*] \
- && ![istarget powerpc*-*-aix*] \
+ && ![is_xcoff_format] \
&& ![istarget s390*-*-linux*] \
+ && ![istarget aarch64*-*-linux*] \
&& ![istarget x86_64-*-linux*] } {
return
}
-if { [istarget *-*-linux*aout*] \
- || [istarget *-*-linux*oldld*] } {
- return
-}
-
set tmpdir tmpdir
set SHCFLAG ""
+set shared_needs_pic "no"
-if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
+# Disable all sanitizers.
+set old_CFLAGS "$CFLAGS_FOR_TARGET"
+append CFLAGS_FOR_TARGET " $NOSANITIZE_CFLAGS"
- # 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.
+if { [is_xcoff_format] } {
+ # Not all the useful features are available with AIX shared
+ # libraries by default.
+ # We can manage to simulate some of them with export/import
+ # files but the overriding of shared library functions or
+ # variables by the main program doesn't seem possible.
+ # 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
+ # In order to avoid listing every symbols in an export file,
+ # the export will be done with -bexpall flag.
+ # However for imports, we must create the import file.
+ set file [open $tmpdir/xcoff-shared.imp w]
+ puts $file "#! ."
+ puts $file mainvar
+ puts $file main_called
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_FOR_TARGET" "$CFLAGS_FOR_TARGET -c $tmpdir/movw-detect.c -o $tmpdir/movw-detect.o"] {
+ set shared_needs_pic "yes"
+ }
+ }
+}
+
# The test procedure.
proc shared_test { progname testname main sh1 sh2 dat args } {
- global ld
+ global CC_FOR_TARGET
global srcdir
global subdir
global exec_output
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 { [is_xcoff_format] } {
+ # On AIX, setup imports and exports.
+ append shared " -Wl,-bexpall -Wl,-bI:$tmpdir/xcoff-shared.imp"
+ }
+ if { [is_elf_format] && [check_shared_lib_support] } {
+ append shared " -Wl,-z,notext"
}
- if {![ld_simple_link $ld $tmpdir/$progname.so "$shared $shldflags $tmpdir/$sh1 $tmpdir/$sh2"]} {
+ if {![ld_link $CC_FOR_TARGET $tmpdir/$progname.so "$shared $shldflags $tmpdir/$sh1 $tmpdir/$sh2"]} {
fail "$testname"
return
}
# On AIX, we must include /lib in -rpath, as otherwise the loader
# can not find -lc.
set rpath $tmpdir
- if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
+ set exportflag ""
+ if { [is_xcoff_format] } {
set rpath /lib:$tmpdir
+ set exportflag " -Wl,-bexpall"
}
- if ![ld_link $ld $tmpdir/$progname "-rpath $rpath $tmpdir/$main $tmpdir/$progname.so"] {
+ if ![ld_link $CC_FOR_TARGET $tmpdir/$progname "-Wl,-rpath,$rpath $tmpdir/$main $tmpdir/$progname.so $exportflag"] {
fail "$testname"
return
}
+ if ![isnative] {
+ unsupported $testname
+ return
+ }
+
# Run the resulting program
send_log "$tmpdir/$progname >$tmpdir/$progname.out\n"
verbose "$tmpdir/$progname >$tmpdir/$progname.out"
pass "$testname"
}
-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
# -KPIC. We have to try both.
set picflag "-fpic"
- send_log "$CC $picflag\n"
- verbose "$CC $picflag"
- catch "exec $CC $picflag" exec_output
+ send_log "$CC_FOR_TARGET $picflag\n"
+ verbose "$CC_FOR_TARGET $picflag"
+ catch "exec $CC_FOR_TARGET $picflag" exec_output
send_log "$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"
- }
+ set picflag "-KPIC"
}
}
verbose "Using $picflag to compile PIC code"
# Compile the main program.
-if ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o] {
- unresolved "shared (non PIC)"
- unresolved "shared"
+if ![ld_compile "$CC_FOR_TARGET $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o] {
+ unsupported "shared (non PIC)"
+ unsupported "shared"
} else {
# The shared library is composed of two files. First compile them
# without using -fpic. That should work on an ELF system,
# although it will be less efficient because the dynamic linker
# will need to do more relocation work. However, note that not
# using -fpic will cause some of the tests to return different
- # results.
- if { ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/sh1.c $tmpdir/sh1np.o]
- || ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/sh2.c $tmpdir/sh2np.o] } {
- unresolved "shared (non PIC)"
- } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
+ # results. Make sure that PLT is used since PLT is expected.
+ global PLT_CFLAGS NOPIE_CFLAGS
+ if { ![ld_compile "$CC_FOR_TARGET $PLT_CFLAGS $NOPIE_CFLAGS $SHCFLAG" $srcdir/$subdir/sh1.c $tmpdir/sh1np.o]
+ || ![ld_compile "$CC_FOR_TARGET $PLT_CFLAGS $SHCFLAG" $srcdir/$subdir/sh2.c $tmpdir/sh2np.o] } {
+ unsupported "shared (non PIC)"
+ } else { if { [is_xcoff_format] } {
shared_test shnp "shared (nonPIC)" mainnp.o sh1np.o sh2np.o xcoff
} else {
- # SunOS non PIC shared libraries don't permit some cases of
- # overriding.
- setup_xfail "*-*-sunos4*"
+ # Solaris defaults to -z text.
+ setup_xfail "*-*-solaris2*"
setup_xfail "ia64-*-linux*"
setup_xfail "alpha*-*-linux*"
- setup_xfail "x86_64-*-linux*"
+ setup_xfail "powerpc64*-*-*"
+ if { ![istarget hppa*64*-*-linux*] } {
+ setup_xfail "hppa*-*-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"
setup_xfail "s390x-*-linux*"
+ if [ string match $shared_needs_pic "yes" ] {
+ setup_xfail "arm*-*-linux*"
+ }
+ setup_xfail "aarch64*-*-linux*"
shared_test shnp "shared (non PIC)" mainnp.o sh1np.o sh2np.o shared
# 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).
- setup_xfail "*-*-sunos4*"
setup_xfail "*-*-linux*libc1"
- setup_xfail "powerpc-*-linux*"
+ setup_xfail "powerpc*-*-linux*"
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*"
+ }
+ 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"
+ setup_xfail "s390x-*-linux*"
+ if [ string match $shared_needs_pic "yes" ] {
+ setup_xfail "arm*-*-linux*"
+ }
+ setup_xfail "aarch64*-*-linux*"
+ # Solaris defaults to -z text.
+ setup_xfail "*-*-solaris2*"
shared_test shnp "shared (non PIC, load offset)" \
mainnp.o sh1np.o sh2np.o shared \
- "-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 $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o]
- || ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/sh2.c $tmpdir/sh2p.o] } {
- unresolved "shared"
+ if { ![ld_compile "$CC_FOR_TARGET $SHCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o]
+ || ![ld_compile "$CC_FOR_TARGET $SHCFLAG $picflag" $srcdir/$subdir/sh2.c $tmpdir/sh2p.o] } {
+ unsupported "shared"
} else {
- # SunOS can not compare function pointers correctly
- if [istarget "*-*-sunos4*"] {
- shared_test shp "shared" mainnp.o sh1p.o sh2p.o sun4
- } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
+ if { [is_xcoff_format] } {
shared_test shp "shared" mainnp.o sh1p.o sh2p.o xcoff
} else {
shared_test shp "shared" mainnp.o sh1p.o sh2p.o shared
- ld_compile "$CC $CFLAGS -DSYMBOLIC_TEST -DXCOFF_TEST $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o
- ld_compile "$CC $CFLAGS -DSYMBOLIC_TEST -DXCOFF_TEST $SHCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o
- shared_test shp "shared -Bsymbolic" mainnp.o sh1p.o sh2p.o symbolic "-Bsymbolic"
- ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o
- ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o
- } }
+ ld_compile "$CC_FOR_TARGET -DSYMBOLIC_TEST $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o
+ ld_compile "$CC_FOR_TARGET -DSYMBOLIC_TEST $SHCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o
+ shared_test shp "shared -Bsymbolic" mainnp.o sh1p.o sh2p.o symbolic "-Bsymbolic"
+ ld_compile "$CC_FOR_TARGET $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o
+ ld_compile "$CC_FOR_TARGET $SHCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o
+ }
}
}
# Now do the same tests again, but this time compile main.c PIC.
-if ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/main.c $tmpdir/mainp.o] {
- unresolved "shared (PIC main, non PIC so)"
- unresolved "shared (PIC main)"
+if ![ld_compile "$CC_FOR_TARGET $SHCFLAG $picflag" $srcdir/$subdir/main.c $tmpdir/mainp.o] {
+ unsupported "shared (PIC main, non PIC so)"
+ unsupported "shared (PIC main)"
} else {
if { [file exists $tmpdir/sh1np.o ] && [ file exists $tmpdir/sh2np.o ] } {
- if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
+ if { [is_xcoff_format] } {
shared_test shmpnp "shared (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.
- setup_xfail "*-*-sunos4*"
+ # Solaris defaults to -z text.
+ setup_xfail "*-*-solaris2*"
setup_xfail "ia64-*-linux*"
setup_xfail "alpha*-*-linux*"
- setup_xfail "x86_64-*-linux*"
+ setup_xfail "powerpc64*-*-*"
+ if { ![istarget hppa*64*-*-linux*] } {
+ setup_xfail "hppa*-*-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"
setup_xfail "s390x-*-linux*"
+ if [ string match $shared_needs_pic "yes" ] {
+ setup_xfail "arm*-*-linux*"
+ }
+ setup_xfail "aarch64*-*-linux*"
shared_test shmpnp "shared (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o shared
}
} else {
- unresolved "shared (PIC main, non PIC so)"
+ unsupported "shared (PIC main, non PIC so)"
}
if { [file exists $tmpdir/sh1p.o ] && [ file exists $tmpdir/sh2p.o ] } {
- if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
+ if { [is_xcoff_format] } {
shared_test shmpp "shared (PIC main)" mainp.o sh1p.o sh2p.o xcoff
} else {
shared_test shmpp "shared (PIC main)" mainp.o sh1p.o sh2p.o shared
}
} else {
- unresolved "shared (PIC main)"
+ unsupported "shared (PIC main)"
}
}
-if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
- # Remove the temporary directory.
- catch "exec rm -rf $tmpdir" exec_status
-}
+set CFLAGS_FOR_TARGET "$old_CFLAGS"
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