+++ /dev/null
-int foo;
-__asm__ (".hidden foo");
-
-int
-_start (void)
-{
- return foo;
-}
-
-int
-__start (void)
-{
- return _start ();
-}
+++ /dev/null
- .data
- .globl protected
- .type protected,"object"
-protected:
- .globl hidden
- .type hidden,"object"
-hidden:
- .globl internal
- .type internal,"object"
-internal:
+++ /dev/null
-SECTIONS
-{
- /* Read-only sections, merged into text segment: */
- . = 0x100000;
- .hash : { *(.hash) }
- .dynsym : { *(.dynsym) }
- .dynstr : { *(.dynstr) }
- .gnu.version : { *(.gnu.version) }
- .gnu.version_d : { *(.gnu.version_d) }
- .gnu.version_r : { *(.gnu.version_r) }
- .rel.text :
- {
- *(.rel.text)
- *(.rel.text.*)
- *(.rel.gnu.linkonce.t*)
- }
- .rela.text :
- {
- *(.rela.text)
- *(.rela.text.*)
- *(.rela.gnu.linkonce.t*)
- }
- .rel.data :
- {
- *(.rel.data)
- *(.rel.data.*)
- *(.rel.gnu.linkonce.d*)
- }
- .rela.data :
- {
- *(.rela.data)
- *(.rela.data.*)
- *(.rela.gnu.linkonce.d*)
- }
- .rel.rodata :
- {
- *(.rel.rodata)
- *(.rel.rodata.*)
- *(.rel.gnu.linkonce.r*)
- }
- .rela.rodata :
- {
- *(.rela.rodata)
- *(.rela.rodata.*)
- *(.rela.gnu.linkonce.r*)
- }
- .rel.got : { *(.rel.got) }
- .rela.got : { *(.rela.got) }
- .rel.toc : { *(.rel.toc) }
- .rela.toc : { *(.rela.toc) }
- .rel.ctors : { *(.rel.ctors) }
- .rela.ctors : { *(.rela.ctors) }
- .rel.dtors : { *(.rel.dtors) }
- .rela.dtors : { *(.rela.dtors) }
- .rel.init : { *(.rel.init) }
- .rela.init : { *(.rela.init) }
- .rel.fini : { *(.rel.fini) }
- .rela.fini : { *(.rela.fini) }
- .rel.bss : { *(.rel.bss) }
- .rela.bss : { *(.rela.bss) }
- .rel.plt : { *(.rel.plt) }
- .rela.plt : { *(.rela.plt) }
- .rel.eh_frame : { *(.rel.eh_frame) }
- .rela.eh_frame : { *(.rela.eh_frame) }
- .init : { KEEP (*(.init)) }
- .plt : { *(.plt) }
- .text :
- {
- *(.text)
- *(.text.*)
- *(.stub)
- /* .gnu.warning sections are handled specially by elf.em. */
- *(.gnu.warning)
- *(.gnu.linkonce.t*)
- }
- _etext = .;
- PROVIDE (etext = .);
- .fini : { KEEP (*(.fini)) } =0x9090
- .rodata :
- {
- *(.rodata)
- *(.rodata.*)
- *(.gnu.linkonce.r*)
- }
- .rodata1 : { *(.rodata1) }
- /* Adjust the address for the data segment. We want to adjust up to
- the same address within the page on the next page up. */
- . = ALIGN(0x1000) + (. & (0x1000 - 1));
- .data :
- {
- *(.data)
- *(.data.*)
- *(.gnu.linkonce.d*)
- SORT(CONSTRUCTORS)
- }
- .data1 : { *(.data1) }
- .ctors :
- {
- /* gcc uses crtbegin.o to find the start of the constructors, so
- we make sure it is first. Because this is a wildcard, it
- doesn't matter if the user does not actually link against
- crtbegin.o; the linker won't look for a file to match a
- wildcard. The wildcard also means that it doesn't matter which
- directory crtbegin.o is in. */
- KEEP (*crtbegin.o(.ctors))
- KEEP (*(SORT(.ctors.*)))
- KEEP (*(.ctors))
- }
- .dtors :
- {
- KEEP (*crtbegin.o(.dtors))
- KEEP (*(SORT(.dtors.*)))
- KEEP (*(.dtors))
- }
- .got : { *(.got.plt) *(.got) }
- .toc : { *(.toc) }
- .dynamic : { *(.dynamic) }
- /* We want the small data sections together, so single-instruction offsets
- can access them all, and initialized data all before uninitialized, so
- we can shorten the on-disk segment size. */
- .sdata : { *(.sdata) *(.sdata.*) }
- _edata = .;
- PROVIDE (edata = .);
- __bss_start = .;
- .sbss : { *(.sbss) *(.scommon) }
- .bss :
- {
- *(.dynbss)
- *(.bss)
- *(COMMON)
- /* Align here to ensure that the .bss section occupies space up to
- _end. Align after .bss to ensure correct alignment even if the
- .bss section disappears because there are no input sections. */
- . = ALIGN(. != 0 ? 32 / 8 : 1);
- }
- . = ALIGN(32 / 8);
- _end = . ;
- PROVIDE (end = .);
- /* Stabs debugging sections. */
- .stab 0 : { *(.stab) }
- .stabstr 0 : { *(.stabstr) }
- .stab.excl 0 : { *(.stab.excl) }
- .stab.exclstr 0 : { *(.stab.exclstr) }
- .stab.index 0 : { *(.stab.index) }
- .stab.indexstr 0 : { *(.stab.indexstr) }
- .comment 0 : { *(.comment) }
- /* DWARF debug sections.
- Symbols in the DWARF debugging sections are relative to the beginning
- of the section so we begin them at 0. */
- /* DWARF 1 */
- .debug 0 : { *(.debug) }
- .line 0 : { *(.line) }
- /* GNU DWARF 1 extensions */
- .debug_srcinfo 0 : { *(.debug_srcinfo) }
- .debug_sfnames 0 : { *(.debug_sfnames) }
- /* DWARF 1.1 and DWARF 2 */
- .debug_aranges 0 : { *(.debug_aranges) }
- .debug_pubnames 0 : { *(.debug_pubnames) }
- /* DWARF 2 */
- .debug_info 0 : { *(.debug_info) }
- .debug_abbrev 0 : { *(.debug_abbrev) }
- .debug_line 0 : { *(.debug_line) }
- .debug_frame 0 : { *(.debug_frame) }
- .debug_str 0 : { *(.debug_str) }
- .debug_loc 0 : { *(.debug_loc) }
- .debug_macinfo 0 : { *(.debug_macinfo) }
- /* SGI/MIPS DWARF 2 extensions */
- .debug_weaknames 0 : { *(.debug_weaknames) }
- .debug_funcnames 0 : { *(.debug_funcnames) }
- .debug_typenames 0 : { *(.debug_typenames) }
- .debug_varnames 0 : { *(.debug_varnames) }
- /* These must appear regardless of . */
-}
+++ /dev/null
-mainvar == 1
-overriddenvar == 2
-shlibvar1 == 3
-shlib_mainvar () == 1
-shlib_overriddenvar () == 2
-shlib_shlibvar1 () == 3
-shlib_shlibvar2 () == 4
-shlib_shlibcall () == 5
-shlib_shlibcall2 () == 8
-shlib_maincall () == 6
-main_called () == 6
-shlib_checkfunptr1 (shlib_shlibvar1) == 1
-shlib_checkfunptr2 (main_called) == 1
-shlib_getfunptr1 () == shlib_shlibvar1
-shlib_getfunptr2 () == main_called
-shlib_check () == 1
-visibility_check () == 1
-visibility_checkfunptr () == 1
-main_visibility_check () == 1
-visibility_checkvar () == 1
-visibility_checkvarptr () == 1
-main_visibility_checkvar () == 1
-main_visibility_checkcom () == 1
-shlib_visibility_checkcom () == 1
-main_visibility_checkweak () == 1
-shlib_visibility_checkweak () == 1
+++ /dev/null
-# Expect script for ld-visibility tests
-# Copyright (C) 2000-2022 Free Software Foundation, Inc.
-#
-# 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 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., 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 arm*-*-linux*] \
- && ![istarget alpha*-*-linux*] \
- && ![istarget sparc*-*-linux*] \
- && ![istarget s390*-*-linux*] \
- && ![istarget sh\[34\]*-*-linux*] \
- && ![istarget x86_64-*-linux*] } {
- 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]
-}
-
-set tmpdir tmpdir
-set SHCFLAG ""
-set shared_needs_pic "no"
-set COMPRESS_LDFLAG "-Wl,--compress-debug-sections=zlib-gabi"
-
-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 $tmpdir/movw-detect.o"] {
- set shared_needs_pic "yes"
- }
- }
-}
-
-set support_protected "no"
-
-if { [istarget *-*-linux*]
- || [istarget *-*-nacl*]
- || [istarget *-*-gnu*] } {
- if [ld_compile "$CC_FOR_TARGET -g -DPROTECTED_CHECK" $srcdir/$subdir/main.c $tmpdir/main.o] {
- if [ld_link $CC_FOR_TARGET $tmpdir/main "$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_FOR_TARGET
- 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.
- set shared -shared
- if { [is_elf_format] && [check_shared_lib_support] } {
- append shared " -Wl,-z,notext"
- }
- if {![ld_link $CC_FOR_TARGET $tmpdir/$progname.so "$shared $shldflags $tmpdir/$sh1 $tmpdir/$sh2"]} {
- if { [ string match $visibility "hidden_undef" ]
- && [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 "undefined reference to \`\.?visibility\'" $link_output]
- && [regexp "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.
- set rpath $tmpdir
- if ![ld_link $CC_FOR_TARGET $tmpdir/$progname "-Wl,-rpath,$rpath $tmpdir/$main $tmpdir/$progname.so"] {
- if { [ string match $visibility "hidden" ]
- && [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 "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"
- }}
- return
- }
-
- if { [ string match $visibility "hidden" ]
- || [ string match $visibility "hidden_undef" ]
- || [ string match $visibility "protected_undef" ] } {
- fail "$testname"
- }
-
- if ![isnative] {
- unsupported "$testname"
- return
- }
-
- # Run the resulting program
- send_log "$tmpdir/$progname >$tmpdir/$progname.out\n"
- verbose "$tmpdir/$progname >$tmpdir/$progname.out"
- 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_FOR_TARGET
- global SHCFLAG
- global srcdir
- global subdir
- global tmpdir
- global picflag
- global target_triplet
- global support_protected
- global shared_needs_pic
- global PLT_CFLAGS
- global NOPIE_CFLAGS
- global COMPRESS_LDFLAG
- global NOSANITIZE_CFLAGS
- global NOLTO_CFLAGS
-
- 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 ""
- }}}}}}}}}
-
- # 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_FOR_TARGET -g $PLT_CFLAGS $SHCFLAG $VSBCFLAG $NOSANITIZE_CFLAGS $NOLTO_CFLAGS" $srcdir/$subdir/main.c $tmpdir/mainnp.o] {
- unsupported "visibility ($visibility) (non PIC)"
- unsupported "visibility ($visibility)"
- } else {
- # The shared library is composed of two files. First compile them
- # without using -fpic. That should work on an ELF system,
- # although it will be less efficient because the dynamic linker
- # will need to do more relocation work. However, note that not
- # using -fpic will cause some of the tests to return different
- # results. Make sure that PLT is used since PLT is expected.
- if { ![ld_compile "$CC_FOR_TARGET -g $NOPIE_CFLAGS $PLT_CFLAGS $SHCFLAG $VSBCFLAG $NOSANITIZE_CFLAGS $NOLTO_CFLAGS" $srcdir/$subdir/sh1.c $tmpdir/sh1np.o]
- || ![ld_compile "$CC_FOR_TARGET -g $NOPIE_CFLAGS $PLT_CFLAGS $SHCFLAG $VSBCFLAG $NOSANITIZE_CFLAGS $NOLTO_CFLAGS" $srcdir/$subdir/sh2.c $tmpdir/sh2np.o] } {
- unsupported "visibility ($visibility) (non PIC)"
- } 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
- }
- }
-
- # 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
- # 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
- }
- }
- 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 \
- "-Wl,-T,$srcdir/$subdir/elf-offset.ld,--hash-style=sysv"
- }
-
- # Now compile the code using -fpic.
-
- if { ![ld_compile "$CC_FOR_TARGET -g $SHCFLAG $VSBCFLAG $NOSANITIZE_CFLAGS $NOLTO_CFLAGS -DSHARED $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o]
- || ![ld_compile "$CC_FOR_TARGET -g $SHCFLAG $VSBCFLAG $NOSANITIZE_CFLAGS $NOLTO_CFLAGS -DSHARED $picflag" $srcdir/$subdir/sh2.c $tmpdir/sh2p.o] } {
- unsupported "visibility ($visibility)"
- } else {
- if { [ string match $visibility "protected" ]
- || [ string match $visibility "protected_undef_def" ] } {
- if [ string match $support_protected "no" ] {
- setup_xfail $target_triplet
- }
- }
- 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_FOR_TARGET -g $SHCFLAG $VSBCFLAG $NOSANITIZE_CFLAGS $NOLTO_CFLAGS -DSHARED $picflag" $srcdir/$subdir/main.c $tmpdir/mainp.o] {
- unsupported "visibility ($visibility) (PIC main, non PIC so)"
- unsupported "visibility ($visibility) (PIC main)"
- } else {
- if { [ remote_file host exists $tmpdir/sh1np.o ]
- && [ remote_file host exists $tmpdir/sh2np.o ] } {
- # 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
- }
- }
- 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 {
- unsupported "visibility (PIC main, non PIC so)"
- }
-
- 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" ] {
- setup_xfail $target_triplet
- }
- }
- visibility_test $visibility vmpp "visibility ($visibility) (PIC main)" mainp.o sh1p.o sh2p.o elfvsb
- } else {
- unsupported "visibility ($visibility) (PIC main)"
- }
- }}
-}
-
-# Old version of GCC for MIPS default to enabling -fpic
-# and get confused if it is used on the command line.
-if { [istarget mips*-*-*] && ! [at_least_gcc_version 4 3] } then {
- set picflag ""
-} else {
- # Unfortunately, the gcc argument is -fpic and the cc argument is
- # -KPIC. We have to try both.
- set picflag "-fpic"
- send_log "$CC_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] } {
- 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_FOR_TARGET -g $NOSANITIZE_CFLAGS $NOLTO_CFLAGS" $srcdir/$subdir/common.c tmpdir/common.o] } {
- unsupported "common hidden symbol"
-} else {
- if ![ld_link $ld tmpdir/common "tmpdir/common.o"] {
- fail "common hidden symbol"
- } else {
- pass "common hidden symbol"
- }
-}
-
-if { ![ld_compile "$CC_FOR_TARGET -g $NOSANITIZE_CFLAGS $NOLTO_CFLAGS" $srcdir/$subdir/test.c tmpdir/test.o] } {
- unsupported "weak hidden symbol"
-} else {
- if { ![ld_compile "$CC_FOR_TARGET -g $NOSANITIZE_CFLAGS $NOLTO_CFLAGS -DSHARED $picflag" $srcdir/$subdir/sh3.c tmpdir/sh3.o] } {
- unsupported "weak hidden symbol"
- } else {
- if ![ld_link $ld tmpdir/sh3.so "-shared tmpdir/sh3.o"] {
- fail "weak hidden symbol"
- } else {
- if ![ld_link $ld tmpdir/weak "tmpdir/test.o tmpdir/sh3.so"] {
- fail "weak hidden symbol DSO last"
- } else {
- pass "weak hidden symbol DSO last"
- }
- 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"
- }
- }
- }
-}
+++ /dev/null
-#source: define.s
-#source: undef.s
-#ld: -r
-#readelf: -s
-
-Symbol table '.symtab' contains .* entries:
-#...
-[ ]*[0-9]+: [0-9a-fA-F]* +0 +OBJECT +GLOBAL +HIDDEN +. hidden
-#pass
+++ /dev/null
-#source: undef.s
-#ld: -r
-#readelf: -s
-
-Symbol table '.symtab' contains .* entries:
-#...
-[ ]*[0-9]+: [0-9a-fA-F]* +0 +NOTYPE +GLOBAL +HIDDEN +UND hidden
-#pass
+++ /dev/null
-#source: hidden2.s
-#ld: -shared -T hidden2.ld --hash-style=sysv
-#readelf: -Ds
-# It is also ok to remove this symbol, but we currently make it local.
-
-Symbol table for image contains [0-9]+ entries:
-#...
-[ ]*[0-9]+: [0-9a-fA-F]* +0 +OBJECT +LOCAL +DEFAULT .* foo
-#pass
+++ /dev/null
-SECTIONS
-{
- . = 0x1000;
- PROVIDE (foo = .);
- .data : { *(.data) }
- .dynamic : { *(.dynamic) }
-}
+++ /dev/null
- .data
- .hidden foo
- .global foo
- .type foo,%object
- .dc.a foo
+++ /dev/null
-#source: define.s
-#source: undef.s
-#ld: -r
-#readelf: -s
-
-Symbol table '.symtab' contains .* entries:
- +Num: +Value +Size +Type +Bind +Vis +Ndx +Name
-#...
- +[0-9]+: [0-9a-fA-F]+ +0 +OBJECT +GLOBAL +INTERNAL +. internal
-#pass
+++ /dev/null
-#source: undef.s
-#ld: -r
-#readelf: -s
-
-Symbol table '.symtab' contains .* entries:
- +Num: +Value +Size +Type +Bind +Vis +Ndx +Name
-#...
- +[0-9]+: [0-9a-fA-F]+ +0 +NOTYPE +GLOBAL +INTERNAL +UND internal
-#pass
+++ /dev/null
-#ifdef PROTECTED_CHECK
-#include <features.h>
-#include <stdio.h>
-
-int
-main (void)
-{
-#if defined (__GLIBC__) && (__GLIBC__ > 2 \
- || (__GLIBC__ == 2 \
- && __GLIBC_MINOR__ >= 2))
- puts ("yes");
-#else
- puts ("no");
-#endif
- return 0;
-}
-#else
-/* This is the main program for the shared library test. */
-
-#include <stdio.h>
-
-int mainvar = 1;
-int overriddenvar = 2;
-extern int shlibvar1;
-
-extern int shlib_mainvar ();
-extern int shlib_overriddenvar ();
-extern int shlib_shlibvar1 ();
-extern int shlib_shlibvar2 ();
-extern int shlib_shlibcall ();
-extern int shlib_maincall ();
-extern int shlib_checkfunptr1 ();
-extern int shlib_checkfunptr2 ();
-extern int (*shlib_getfunptr1 ()) ();
-extern int (*shlib_getfunptr2 ()) ();
-extern int shlib_check ();
-extern int shlib_shlibcall2 ();
-extern int visibility_check ();
-extern int visibility_checkfunptr ();
-extern void *visibility_funptr ();
-extern int visibility_checkvar ();
-extern int visibility_checkvarptr ();
-extern int visibility_varval ();
-extern void *visibility_varptr ();
-extern int shlib_visibility_checkcom ();
-extern int shlib_visibility_checkweak ();
-
-int shlib_visibility_com = 1;
-
-int shlib_visibility_var_weak = 1;
-
-int
-shlib_visibility_func_weak ()
-{
- return 1;
-}
-
-#ifdef HIDDEN_WEAK_TEST
-#define WEAK_TEST
-#endif
-
-#ifdef PROTECTED_WEAK_TEST
-#define WEAK_TEST
-#endif
-
-#ifdef PROTECTED_UNDEF_TEST
-#define PROTECTED_TEST
-#endif
-
-#ifndef WEAK_TEST
-extern int visibility ();
-extern int visibility_var;
-#endif
-
-#if !defined (HIDDEN_TEST) && defined (PROTECTED_TEST)
-int
-visibility (void)
-{
- return 1;
-}
-
-static int
-main_visibility_check (void)
-{
- return ((int (*) (void)) visibility_funptr ()) != visibility;
-}
-
-int visibility_var = 1;
-
-static int
-main_visibility_checkvar (void)
-{
- return visibility_varval () != visibility_var
- && visibility_varptr () != &visibility_var;
-}
-
-#ifndef PROTECTED_UNDEF_TEST
-int shared_data = 1;
-__asm__ (".protected shared_data");
-
-int
-shared_func (void)
-{
- return 1;
-}
-
-__asm__ (".protected shared_func");
-
-extern int * shared_data_p ();
-typedef int (*func) ();
-extern func shared_func_p ();
-#endif
-#else
-static int
-main_visibility_check (void)
-{
-#ifdef WEAK_TEST
- return visibility_funptr () == NULL;
-#else
- return ((int (*) (void)) visibility_funptr ()) == visibility;
-#endif
-}
-
-static int
-main_visibility_checkvar (void)
-{
-#ifdef WEAK_TEST
- return visibility_varval () == 0
- && visibility_varptr () == NULL;
-#else
- return visibility_varval () == visibility_var
- && visibility_varptr () == &visibility_var;
-#endif
-}
-#endif
-
-/* This function is called by the shared library. */
-
-int
-main_called (void)
-{
- return 6;
-}
-
-/* This function overrides a function in the shared library. */
-
-int
-shlib_overriddencall2 (void)
-{
- return 8;
-}
-
-#ifdef HIDDEN_NORMAL_TEST
-int visibility_com;
-__asm__ (".hidden visibility_com");
-
-int
-main_visibility_checkcom (void)
-{
- return visibility_com == 0;
-}
-
-int
-main_visibility_checkweak (void)
-{
- return 1;
-}
-#elif defined (HIDDEN_WEAK_TEST)
-int
-main_visibility_checkcom (void)
-{
- return 1;
-}
-
-#pragma weak visibility_undef_var_weak
-extern int visibility_undef_var_weak;
-__asm__ (".hidden visibility_undef_var_weak");
-
-#pragma weak visibility_undef_func_weak
-extern int visibility_undef_func_weak ();
-__asm__ (".hidden visibility_undef_func_weak");
-
-#pragma weak visibility_var_weak
-extern int visibility_var_weak;
-__asm__ (".hidden visibility_var_weak");
-
-#pragma weak visibility_func_weak
-extern int visibility_func_weak ();
-__asm__ (".hidden visibility_func_weak");
-
-int
-main_visibility_checkweak ()
-{
- return &visibility_undef_var_weak == NULL
- && &visibility_undef_func_weak == NULL
- && &visibility_func_weak == NULL
- && &visibility_var_weak == NULL;
-}
-#elif defined (HIDDEN_UNDEF_TEST)
-extern int visibility_def;
-__asm__ (".hidden visibility_def");
-extern int visibility_func ();
-__asm__ (".hidden visibility_func");
-
-int
-main_visibility_checkcom (void)
-{
- return visibility_def == 2;
-}
-
-int
-main_visibility_checkweak (void)
-{
- return visibility_func () == 2;
-}
-#else
-int
-main_visibility_checkcom (void)
-{
- return 1;
-}
-
-int
-main_visibility_checkweak (void)
-{
- return 1;
-}
-#endif
-
-int
-main (void)
-{
- int (*p) ();
- int ret = 0;
-
- printf ("mainvar == %d\n", mainvar);
- printf ("overriddenvar == %d\n", overriddenvar);
- printf ("shlibvar1 == %d\n", shlibvar1);
-#ifndef XCOFF_TEST
- printf ("shlib_mainvar () == %d\n", shlib_mainvar ());
- printf ("shlib_overriddenvar () == %d\n", shlib_overriddenvar ());
-#endif
- printf ("shlib_shlibvar1 () == %d\n", shlib_shlibvar1 ());
- printf ("shlib_shlibvar2 () == %d\n", shlib_shlibvar2 ());
- printf ("shlib_shlibcall () == %d\n", shlib_shlibcall ());
-#ifndef XCOFF_TEST
- printf ("shlib_shlibcall2 () == %d\n", shlib_shlibcall2 ());
- printf ("shlib_maincall () == %d\n", shlib_maincall ());
-#endif
- printf ("main_called () == %d\n", main_called ());
- printf ("shlib_checkfunptr1 (shlib_shlibvar1) == %d\n",
- shlib_checkfunptr1 (shlib_shlibvar1));
-#ifndef XCOFF_TEST
- printf ("shlib_checkfunptr2 (main_called) == %d\n",
- shlib_checkfunptr2 (main_called));
-#endif
- p = shlib_getfunptr1 ();
- printf ("shlib_getfunptr1 () ");
- if (p == shlib_shlibvar1)
- printf ("==");
- else
- printf ("!=");
- printf (" shlib_shlibvar1\n");
-#ifndef XCOFF_TEST
- p = shlib_getfunptr2 ();
- printf ("shlib_getfunptr2 () ");
- if (p == main_called)
- printf ("==");
- else
- printf ("!=");
- printf (" main_called\n");
-#endif
- printf ("shlib_check () == %d\n", shlib_check ());
- printf ("visibility_check () == %d\n", visibility_check ());
- printf ("visibility_checkfunptr () == %d\n",
- visibility_checkfunptr ());
- printf ("main_visibility_check () == %d\n", main_visibility_check ());
- printf ("visibility_checkvar () == %d\n", visibility_checkvar ());
- printf ("visibility_checkvarptr () == %d\n",
- visibility_checkvarptr ());
- printf ("main_visibility_checkvar () == %d\n",
- main_visibility_checkvar ());
- printf ("main_visibility_checkcom () == %d\n",
- main_visibility_checkcom ());
- printf ("shlib_visibility_checkcom () == %d\n",
- shlib_visibility_checkcom ());
- printf ("main_visibility_checkweak () == %d\n",
- main_visibility_checkweak ());
- printf ("shlib_visibility_checkweak () == %d\n",
- shlib_visibility_checkweak ());
-
-#if !defined (PROTECTED_UNDEF_TEST) && defined (PROTECTED_TEST)
- if (&shared_data != shared_data_p ())
- ret = 1;
- p = shared_func_p ();
- if (shared_func != p)
- ret = 1;
- if (shared_data != *shared_data_p ())
- ret = 1;
- if (shared_func () != (*p) () )
- ret = 1;
-#endif
-
- return ret;
-}
-#endif
+++ /dev/null
-#source: define.s
-#source: undef.s
-#ld: -r
-#readelf: -s
-
-Symbol table '.symtab' contains .* entries:
- +Num: +Value +Size +Type +Bind +Vis +Ndx +Name
-#...
- +[0-9]+: [0-9a-fA-F]* +0 +OBJECT +GLOBAL +PROTECTED +. protected
-#pass
+++ /dev/null
-#source: undef.s
-#ld: -r
-#readelf: -s
-
-Symbol table '.symtab' contains .* entries:
- +Num: +Value +Size Type +Bind +Vis +Ndx +Name
-#...
- +[0-9]+: [0-9a-fA-F]* +0 +NOTYPE +GLOBAL +PROTECTED +UND protected
-#pass
+++ /dev/null
-#ifndef NULL
-#define NULL ((void *) 0)
-#endif
-
-/* This is part of the shared library ld test. This file becomes part
- of a shared library. */
-
-/* This variable is supplied by the main program. */
-#ifndef XCOFF_TEST
-extern int mainvar;
-#endif
-
-/* This variable is defined in the shared library, and overridden by
- the main program. */
-#ifndef XCOFF_TEST
-#ifdef SHARED
-/* SHARED is defined if we are compiling with -fpic/-fPIC. */
-int overriddenvar = -1;
-#else
-/* Without -fpic, newer versions of gcc assume that we are not
- compiling for a shared library, and thus that overriddenvar is
- local. */
-extern int overriddenvar;
-#endif
-#endif
-
-/* This variable is defined in the shared library. */
-int shlibvar1 = 3;
-
-/* This variable is defined by another object in the shared library. */
-extern int shlibvar2;
-
-/* These functions return the values of the above variables as seen in
- the shared library. */
-
-#ifndef XCOFF_TEST
-int
-shlib_mainvar ()
-{
- return mainvar;
-}
-#endif
-
-#ifndef XCOFF_TEST
-int
-shlib_overriddenvar ()
-{
- return overriddenvar;
-}
-#endif
-
-int
-shlib_shlibvar1 ()
-{
- return shlibvar1;
-}
-
-int
-shlib_shlibvar2 ()
-{
- return shlibvar2;
-}
-
-/* This function calls a function defined by another object in the
- shared library. */
-
-extern int shlib_shlibcalled ();
-
-int
-shlib_shlibcall ()
-{
- return shlib_shlibcalled ();
-}
-
-#ifndef XCOFF_TEST
-/* This function calls a function defined in this object in the shared
- library. The main program will override the called function. */
-
-extern int shlib_overriddencall2 ();
-
-int
-shlib_shlibcall2 ()
-{
- return shlib_overriddencall2 ();
-}
-
-#ifdef SHARED
-int
-shlib_overriddencall2 ()
-{
- return 7;
-}
-#endif
-#endif
-
-/* This function calls a function defined by the main program. */
-
-#ifndef XCOFF_TEST
-extern int main_called ();
-
-int
-shlib_maincall ()
-{
- return main_called ();
-}
-#endif
-
-/* This function is passed a function pointer to shlib_mainvar. It
- confirms that the pointer compares equally. */
-
-int
-shlib_checkfunptr1 (p)
- int (*p) ();
-{
- return p == shlib_shlibvar1;
-}
-
-/* This function is passed a function pointer to main_called. It
- confirms that the pointer compares equally. */
-
-#ifndef XCOFF_TEST
-int
-shlib_checkfunptr2 (p)
- int (*p) ();
-{
- return p == main_called;
-}
-#endif
-
-/* This function returns a pointer to shlib_mainvar. */
-
-int
-(*shlib_getfunptr1 ()) ()
-{
- return shlib_shlibvar1;
-}
-
-/* This function returns a pointer to main_called. */
-
-#ifndef XCOFF_TEST
-int
-(*shlib_getfunptr2 ()) ()
-{
- return main_called;
-}
-#endif
-
-/* This function makes sure that constant data and local functions
- work. */
-
-#ifndef __STDC__
-#define const
-#endif
-
-static int i = 6;
-static const char *str = "Hello, world\n";
-
-int
-shlib_check ()
-{
- const char *s1, *s2;
-
- if (i != 6)
- return 0;
-
- /* To isolate the test, don't rely on any external functions, such
- as strcmp. */
- s1 = "Hello, world\n";
- s2 = str;
- while (*s1 != '\0')
- if (*s1++ != *s2++)
- return 0;
- if (*s2 != '\0')
- return 0;
-
- if (shlib_shlibvar1 () != 3)
- return 0;
-
- return 1;
-}
-
-#ifdef HIDDEN_WEAK_TEST
-#define HIDDEN_UNDEF_TEST
-#define WEAK_TEST
-#endif
-
-#ifdef PROTECTED_WEAK_TEST
-#define PROTECTED_UNDEF_TEST
-#define WEAK_TEST
-#endif
-
-#if defined (HIDDEN_UNDEF_TEST) || defined (PROTECTED_UNDEF_TEST)
-#ifdef WEAK_TEST
-#pragma weak visibility
-#endif
-extern int visibility ();
-#else
-int
-visibility ()
-{
- return 2;
-}
-#endif
-
-#ifdef HIDDEN_NORMAL_TEST
-__asm__ (".hidden visibility_normal");
-
-int
-visibility_normal ()
-{
- return 2;
-}
-#endif
-
-int
-visibility_checkfunptr ()
-{
-#ifdef WEAK_TEST
- return 1;
-#else
-#ifdef HIDDEN_NORMAL_TEST
- int (*v) () = visibility_normal;
-#else
- int (*v) () = visibility;
-#endif
- return (*v) () == 2;
-#endif
-}
-
-int
-visibility_check ()
-{
-#ifdef WEAK_TEST
- if (&visibility)
- return visibility () == 1;
- else
- return 1;
-#else
-#ifdef HIDDEN_NORMAL_TEST
- return visibility_normal () == 2;
-#else
- return visibility () == 2;
-#endif
-#endif
-}
-
-void *
-visibility_funptr ()
-{
-#ifdef WEAK_TEST
- if (&visibility == NULL)
- return NULL;
- else
-#endif
- return visibility;
-}
-
-#if defined (HIDDEN_UNDEF_TEST) || defined (PROTECTED_UNDEF_TEST)
-#ifdef WEAK_TEST
-#pragma weak visibility_var
-#endif
-extern int visibility_var;
-#else
-int visibility_var = 2;
-#endif
-
-#ifdef HIDDEN_NORMAL_TEST
-__asm__ (".hidden visibility_var_normal");
-
-int visibility_var_normal = 2;
-#endif
-
-int
-visibility_checkvarptr ()
-{
-#ifdef WEAK_TEST
- if (&visibility_var)
- return visibility_var == 1;
- else
- return 1;
-#else
-#ifdef HIDDEN_NORMAL_TEST
- int *v = &visibility_var_normal;
-#else
- int *v = &visibility_var;
-#endif
- return *v == 2;
-#endif
-}
-
-int
-visibility_checkvar ()
-{
-#ifdef WEAK_TEST
- return 1;
-#else
-#ifdef HIDDEN_NORMAL_TEST
- return visibility_var_normal == 2;
-#else
- return visibility_var == 2;
-#endif
-#endif
-}
-
-void *
-visibility_varptr ()
-{
-#ifdef WEAK_TEST
- if (&visibility_var == NULL)
- return NULL;
- else
-#endif
- return &visibility_var;
-}
-
-int
-visibility_varval ()
-{
-#ifdef WEAK_TEST
- if (&visibility_var == NULL)
- return 0;
- else
-#endif
- return visibility_var;
-}
-
-#if defined (HIDDEN_TEST) || defined (HIDDEN_UNDEF_TEST)
-__asm__ (".hidden visibility");
-__asm__ (".hidden visibility_var");
-#else
-#if defined (PROTECTED_TEST) || defined (PROTECTED_UNDEF_TEST) || defined (PROTECTED_WEAK_TEST)
-__asm__ (".protected visibility");
-__asm__ (".protected visibility_var");
-#endif
-#endif
-
-#ifdef HIDDEN_NORMAL_TEST
-int shlib_visibility_com;
-__asm__ (".hidden shlib_visibility_com");
-
-int
-shlib_visibility_checkcom ()
-{
- return shlib_visibility_com == 0;
-}
-
-int
-shlib_visibility_checkweak ()
-{
- return 1;
-}
-#elif defined (HIDDEN_WEAK_TEST)
-#pragma weak shlib_visibility_undef_var_weak
-extern int shlib_visibility_undef_var_weak;
-__asm__ (".hidden shlib_visibility_undef_var_weak");
-
-#pragma weak shlib_visibility_undef_func_weak
-extern int shlib_visibility_undef_func_weak ();
-__asm__ (".hidden shlib_visibility_undef_func_weak");
-
-#pragma weak shlib_visibility_var_weak
-extern int shlib_visibility_var_weak;
-__asm__ (".hidden shlib_visibility_var_weak");
-
-#pragma weak shlib_visibility_func_weak
-extern int shlib_visibility_func_weak ();
-__asm__ (".hidden shlib_visibility_func_weak");
-
-int
-shlib_visibility_checkcom ()
-{
- return 1;
-}
-
-int
-shlib_visibility_checkweak ()
-{
- return &shlib_visibility_undef_var_weak == NULL
- && &shlib_visibility_undef_func_weak == NULL
- && &shlib_visibility_func_weak == NULL
- && &shlib_visibility_var_weak == NULL;
-}
-#else
-int
-shlib_visibility_checkcom ()
-{
- return 1;
-}
-
-int
-shlib_visibility_checkweak ()
-{
- return 1;
-}
-#endif
-
-#ifdef PROTECTED_TEST
-#ifdef SHARED
-int shared_data = 100;
-#else
-extern int shared_data;
-#endif
-
-int *
-shared_data_p ()
-{
- return &shared_data;
-}
-
-int
-shared_func ()
-{
- return 100;
-}
-
-void *
-shared_func_p ()
-{
- return shared_func;
-}
-#endif
+++ /dev/null
-/* This is part of the shared library ld test. This file becomes part
- of a shared library. */
-
-/* This variable is defined here, and referenced by another file in
- the shared library. */
-int shlibvar2 = 4;
-
-/* This variable is defined here, and shouldn't be used to resolve a
- reference with non-default visibility in another shared library. */
-int visibility_com = 2;
-
-/* This function is called by another file in the shared library. */
-
-int
-shlib_shlibcalled ()
-{
- return 5;
-}
-
-#ifdef DSO_DEFINE_TEST
-int
-visibility ()
-{
- return 2;
-}
-
-int visibility_var = 2;
-
-int visibility_def = 2;
-
-int
-visibility_func ()
-{
- return 2;
-}
-#endif
-
-#ifdef HIDDEN_WEAK_TEST
-int visibility_var_weak = 2;
-
-int
-visibility_func_weak ()
-{
- return 2;
-}
-#endif
-
-#ifndef SHARED
-# ifndef XCOFF_TEST
-int overriddenvar = -1;
-
-int
-shlib_overriddencall2 ()
-{
- return 7;
-}
-# endif
-# ifdef PROTECTED_TEST
-int shared_data = 100;
-# endif
-#endif
+++ /dev/null
-int main_hidden_data = 1;
-
-int
-main_hidden_func ()
-{
- return 1;
-}
+++ /dev/null
-#pragma weak main_hidden_data
-extern int main_hidden_data;
-__asm__ (".hidden main_hidden_data");
-
-#pragma weak main_hidden_func
-extern int main_hidden_func ();
-__asm__ (".hidden main_hidden_func");
-
-int
-_start (void)
-{
- int ret = 0;
-
- if (&main_hidden_data != 0)
- ret = 1;
- if (main_hidden_func != 0)
- ret = 1;
-
- return ret;
-}
-
-int
-__start (void)
-{
- return _start ();
-}
+++ /dev/null
- .protected protected
- .hidden hidden
- .internal internal
--- /dev/null
+int foo;
+__asm__ (".hidden foo");
+
+int
+_start (void)
+{
+ return foo;
+}
+
+int
+__start (void)
+{
+ return _start ();
+}
--- /dev/null
+ .data
+ .globl protected
+ .type protected,"object"
+protected:
+ .globl hidden
+ .type hidden,"object"
+hidden:
+ .globl internal
+ .type internal,"object"
+internal:
--- /dev/null
+SECTIONS
+{
+ /* Read-only sections, merged into text segment: */
+ . = 0x100000;
+ .hash : { *(.hash) }
+ .dynsym : { *(.dynsym) }
+ .dynstr : { *(.dynstr) }
+ .gnu.version : { *(.gnu.version) }
+ .gnu.version_d : { *(.gnu.version_d) }
+ .gnu.version_r : { *(.gnu.version_r) }
+ .rel.text :
+ {
+ *(.rel.text)
+ *(.rel.text.*)
+ *(.rel.gnu.linkonce.t*)
+ }
+ .rela.text :
+ {
+ *(.rela.text)
+ *(.rela.text.*)
+ *(.rela.gnu.linkonce.t*)
+ }
+ .rel.data :
+ {
+ *(.rel.data)
+ *(.rel.data.*)
+ *(.rel.gnu.linkonce.d*)
+ }
+ .rela.data :
+ {
+ *(.rela.data)
+ *(.rela.data.*)
+ *(.rela.gnu.linkonce.d*)
+ }
+ .rel.rodata :
+ {
+ *(.rel.rodata)
+ *(.rel.rodata.*)
+ *(.rel.gnu.linkonce.r*)
+ }
+ .rela.rodata :
+ {
+ *(.rela.rodata)
+ *(.rela.rodata.*)
+ *(.rela.gnu.linkonce.r*)
+ }
+ .rel.got : { *(.rel.got) }
+ .rela.got : { *(.rela.got) }
+ .rel.toc : { *(.rel.toc) }
+ .rela.toc : { *(.rela.toc) }
+ .rel.ctors : { *(.rel.ctors) }
+ .rela.ctors : { *(.rela.ctors) }
+ .rel.dtors : { *(.rel.dtors) }
+ .rela.dtors : { *(.rela.dtors) }
+ .rel.init : { *(.rel.init) }
+ .rela.init : { *(.rela.init) }
+ .rel.fini : { *(.rel.fini) }
+ .rela.fini : { *(.rela.fini) }
+ .rel.bss : { *(.rel.bss) }
+ .rela.bss : { *(.rela.bss) }
+ .rel.plt : { *(.rel.plt) }
+ .rela.plt : { *(.rela.plt) }
+ .rel.eh_frame : { *(.rel.eh_frame) }
+ .rela.eh_frame : { *(.rela.eh_frame) }
+ .init : { KEEP (*(.init)) }
+ .plt : { *(.plt) }
+ .text :
+ {
+ *(.text)
+ *(.text.*)
+ *(.stub)
+ /* .gnu.warning sections are handled specially by elf.em. */
+ *(.gnu.warning)
+ *(.gnu.linkonce.t*)
+ }
+ _etext = .;
+ PROVIDE (etext = .);
+ .fini : { KEEP (*(.fini)) } =0x9090
+ .rodata :
+ {
+ *(.rodata)
+ *(.rodata.*)
+ *(.gnu.linkonce.r*)
+ }
+ .rodata1 : { *(.rodata1) }
+ /* Adjust the address for the data segment. We want to adjust up to
+ the same address within the page on the next page up. */
+ . = ALIGN(0x1000) + (. & (0x1000 - 1));
+ .data :
+ {
+ *(.data)
+ *(.data.*)
+ *(.gnu.linkonce.d*)
+ SORT(CONSTRUCTORS)
+ }
+ .data1 : { *(.data1) }
+ .ctors :
+ {
+ /* gcc uses crtbegin.o to find the start of the constructors, so
+ we make sure it is first. Because this is a wildcard, it
+ doesn't matter if the user does not actually link against
+ crtbegin.o; the linker won't look for a file to match a
+ wildcard. The wildcard also means that it doesn't matter which
+ directory crtbegin.o is in. */
+ KEEP (*crtbegin.o(.ctors))
+ KEEP (*(SORT(.ctors.*)))
+ KEEP (*(.ctors))
+ }
+ .dtors :
+ {
+ KEEP (*crtbegin.o(.dtors))
+ KEEP (*(SORT(.dtors.*)))
+ KEEP (*(.dtors))
+ }
+ .got : { *(.got.plt) *(.got) }
+ .toc : { *(.toc) }
+ .dynamic : { *(.dynamic) }
+ /* We want the small data sections together, so single-instruction offsets
+ can access them all, and initialized data all before uninitialized, so
+ we can shorten the on-disk segment size. */
+ .sdata : { *(.sdata) *(.sdata.*) }
+ _edata = .;
+ PROVIDE (edata = .);
+ __bss_start = .;
+ .sbss : { *(.sbss) *(.scommon) }
+ .bss :
+ {
+ *(.dynbss)
+ *(.bss)
+ *(COMMON)
+ /* Align here to ensure that the .bss section occupies space up to
+ _end. Align after .bss to ensure correct alignment even if the
+ .bss section disappears because there are no input sections. */
+ . = ALIGN(. != 0 ? 32 / 8 : 1);
+ }
+ . = ALIGN(32 / 8);
+ _end = . ;
+ PROVIDE (end = .);
+ /* Stabs debugging sections. */
+ .stab 0 : { *(.stab) }
+ .stabstr 0 : { *(.stabstr) }
+ .stab.excl 0 : { *(.stab.excl) }
+ .stab.exclstr 0 : { *(.stab.exclstr) }
+ .stab.index 0 : { *(.stab.index) }
+ .stab.indexstr 0 : { *(.stab.indexstr) }
+ .comment 0 : { *(.comment) }
+ /* DWARF debug sections.
+ Symbols in the DWARF debugging sections are relative to the beginning
+ of the section so we begin them at 0. */
+ /* DWARF 1 */
+ .debug 0 : { *(.debug) }
+ .line 0 : { *(.line) }
+ /* GNU DWARF 1 extensions */
+ .debug_srcinfo 0 : { *(.debug_srcinfo) }
+ .debug_sfnames 0 : { *(.debug_sfnames) }
+ /* DWARF 1.1 and DWARF 2 */
+ .debug_aranges 0 : { *(.debug_aranges) }
+ .debug_pubnames 0 : { *(.debug_pubnames) }
+ /* DWARF 2 */
+ .debug_info 0 : { *(.debug_info) }
+ .debug_abbrev 0 : { *(.debug_abbrev) }
+ .debug_line 0 : { *(.debug_line) }
+ .debug_frame 0 : { *(.debug_frame) }
+ .debug_str 0 : { *(.debug_str) }
+ .debug_loc 0 : { *(.debug_loc) }
+ .debug_macinfo 0 : { *(.debug_macinfo) }
+ /* SGI/MIPS DWARF 2 extensions */
+ .debug_weaknames 0 : { *(.debug_weaknames) }
+ .debug_funcnames 0 : { *(.debug_funcnames) }
+ .debug_typenames 0 : { *(.debug_typenames) }
+ .debug_varnames 0 : { *(.debug_varnames) }
+ /* These must appear regardless of . */
+}
--- /dev/null
+mainvar == 1
+overriddenvar == 2
+shlibvar1 == 3
+shlib_mainvar () == 1
+shlib_overriddenvar () == 2
+shlib_shlibvar1 () == 3
+shlib_shlibvar2 () == 4
+shlib_shlibcall () == 5
+shlib_shlibcall2 () == 8
+shlib_maincall () == 6
+main_called () == 6
+shlib_checkfunptr1 (shlib_shlibvar1) == 1
+shlib_checkfunptr2 (main_called) == 1
+shlib_getfunptr1 () == shlib_shlibvar1
+shlib_getfunptr2 () == main_called
+shlib_check () == 1
+visibility_check () == 1
+visibility_checkfunptr () == 1
+main_visibility_check () == 1
+visibility_checkvar () == 1
+visibility_checkvarptr () == 1
+main_visibility_checkvar () == 1
+main_visibility_checkcom () == 1
+shlib_visibility_checkcom () == 1
+main_visibility_checkweak () == 1
+shlib_visibility_checkweak () == 1
--- /dev/null
+#source: define.s
+#source: undef.s
+#ld: -r
+#readelf: -s
+
+Symbol table '.symtab' contains .* entries:
+#...
+[ ]*[0-9]+: [0-9a-fA-F]* +0 +OBJECT +GLOBAL +HIDDEN +. hidden
+#pass
--- /dev/null
+#source: undef.s
+#ld: -r
+#readelf: -s
+
+Symbol table '.symtab' contains .* entries:
+#...
+[ ]*[0-9]+: [0-9a-fA-F]* +0 +NOTYPE +GLOBAL +HIDDEN +UND hidden
+#pass
--- /dev/null
+#source: hidden2.s
+#ld: -shared -T hidden2.ld --hash-style=sysv
+#readelf: -Ds
+# It is also ok to remove this symbol, but we currently make it local.
+
+Symbol table for image contains [0-9]+ entries:
+#...
+[ ]*[0-9]+: [0-9a-fA-F]* +0 +OBJECT +LOCAL +DEFAULT .* foo
+#pass
--- /dev/null
+SECTIONS
+{
+ . = 0x1000;
+ PROVIDE (foo = .);
+ .data : { *(.data) }
+ .dynamic : { *(.dynamic) }
+}
--- /dev/null
+ .data
+ .hidden foo
+ .global foo
+ .type foo,%object
+ .dc.a foo
--- /dev/null
+#source: define.s
+#source: undef.s
+#ld: -r
+#readelf: -s
+
+Symbol table '.symtab' contains .* entries:
+ +Num: +Value +Size +Type +Bind +Vis +Ndx +Name
+#...
+ +[0-9]+: [0-9a-fA-F]+ +0 +OBJECT +GLOBAL +INTERNAL +. internal
+#pass
--- /dev/null
+#source: undef.s
+#ld: -r
+#readelf: -s
+
+Symbol table '.symtab' contains .* entries:
+ +Num: +Value +Size +Type +Bind +Vis +Ndx +Name
+#...
+ +[0-9]+: [0-9a-fA-F]+ +0 +NOTYPE +GLOBAL +INTERNAL +UND internal
+#pass
--- /dev/null
+#ifdef PROTECTED_CHECK
+#include <features.h>
+#include <stdio.h>
+
+int
+main (void)
+{
+#if defined (__GLIBC__) && (__GLIBC__ > 2 \
+ || (__GLIBC__ == 2 \
+ && __GLIBC_MINOR__ >= 2))
+ puts ("yes");
+#else
+ puts ("no");
+#endif
+ return 0;
+}
+#else
+/* This is the main program for the shared library test. */
+
+#include <stdio.h>
+
+int mainvar = 1;
+int overriddenvar = 2;
+extern int shlibvar1;
+
+extern int shlib_mainvar ();
+extern int shlib_overriddenvar ();
+extern int shlib_shlibvar1 ();
+extern int shlib_shlibvar2 ();
+extern int shlib_shlibcall ();
+extern int shlib_maincall ();
+extern int shlib_checkfunptr1 ();
+extern int shlib_checkfunptr2 ();
+extern int (*shlib_getfunptr1 ()) ();
+extern int (*shlib_getfunptr2 ()) ();
+extern int shlib_check ();
+extern int shlib_shlibcall2 ();
+extern int visibility_check ();
+extern int visibility_checkfunptr ();
+extern void *visibility_funptr ();
+extern int visibility_checkvar ();
+extern int visibility_checkvarptr ();
+extern int visibility_varval ();
+extern void *visibility_varptr ();
+extern int shlib_visibility_checkcom ();
+extern int shlib_visibility_checkweak ();
+
+int shlib_visibility_com = 1;
+
+int shlib_visibility_var_weak = 1;
+
+int
+shlib_visibility_func_weak ()
+{
+ return 1;
+}
+
+#ifdef HIDDEN_WEAK_TEST
+#define WEAK_TEST
+#endif
+
+#ifdef PROTECTED_WEAK_TEST
+#define WEAK_TEST
+#endif
+
+#ifdef PROTECTED_UNDEF_TEST
+#define PROTECTED_TEST
+#endif
+
+#ifndef WEAK_TEST
+extern int visibility ();
+extern int visibility_var;
+#endif
+
+#if !defined (HIDDEN_TEST) && defined (PROTECTED_TEST)
+int
+visibility (void)
+{
+ return 1;
+}
+
+static int
+main_visibility_check (void)
+{
+ return ((int (*) (void)) visibility_funptr ()) != visibility;
+}
+
+int visibility_var = 1;
+
+static int
+main_visibility_checkvar (void)
+{
+ return visibility_varval () != visibility_var
+ && visibility_varptr () != &visibility_var;
+}
+
+#ifndef PROTECTED_UNDEF_TEST
+int shared_data = 1;
+__asm__ (".protected shared_data");
+
+int
+shared_func (void)
+{
+ return 1;
+}
+
+__asm__ (".protected shared_func");
+
+extern int * shared_data_p ();
+typedef int (*func) ();
+extern func shared_func_p ();
+#endif
+#else
+static int
+main_visibility_check (void)
+{
+#ifdef WEAK_TEST
+ return visibility_funptr () == NULL;
+#else
+ return ((int (*) (void)) visibility_funptr ()) == visibility;
+#endif
+}
+
+static int
+main_visibility_checkvar (void)
+{
+#ifdef WEAK_TEST
+ return visibility_varval () == 0
+ && visibility_varptr () == NULL;
+#else
+ return visibility_varval () == visibility_var
+ && visibility_varptr () == &visibility_var;
+#endif
+}
+#endif
+
+/* This function is called by the shared library. */
+
+int
+main_called (void)
+{
+ return 6;
+}
+
+/* This function overrides a function in the shared library. */
+
+int
+shlib_overriddencall2 (void)
+{
+ return 8;
+}
+
+#ifdef HIDDEN_NORMAL_TEST
+int visibility_com;
+__asm__ (".hidden visibility_com");
+
+int
+main_visibility_checkcom (void)
+{
+ return visibility_com == 0;
+}
+
+int
+main_visibility_checkweak (void)
+{
+ return 1;
+}
+#elif defined (HIDDEN_WEAK_TEST)
+int
+main_visibility_checkcom (void)
+{
+ return 1;
+}
+
+#pragma weak visibility_undef_var_weak
+extern int visibility_undef_var_weak;
+__asm__ (".hidden visibility_undef_var_weak");
+
+#pragma weak visibility_undef_func_weak
+extern int visibility_undef_func_weak ();
+__asm__ (".hidden visibility_undef_func_weak");
+
+#pragma weak visibility_var_weak
+extern int visibility_var_weak;
+__asm__ (".hidden visibility_var_weak");
+
+#pragma weak visibility_func_weak
+extern int visibility_func_weak ();
+__asm__ (".hidden visibility_func_weak");
+
+int
+main_visibility_checkweak ()
+{
+ return &visibility_undef_var_weak == NULL
+ && &visibility_undef_func_weak == NULL
+ && &visibility_func_weak == NULL
+ && &visibility_var_weak == NULL;
+}
+#elif defined (HIDDEN_UNDEF_TEST)
+extern int visibility_def;
+__asm__ (".hidden visibility_def");
+extern int visibility_func ();
+__asm__ (".hidden visibility_func");
+
+int
+main_visibility_checkcom (void)
+{
+ return visibility_def == 2;
+}
+
+int
+main_visibility_checkweak (void)
+{
+ return visibility_func () == 2;
+}
+#else
+int
+main_visibility_checkcom (void)
+{
+ return 1;
+}
+
+int
+main_visibility_checkweak (void)
+{
+ return 1;
+}
+#endif
+
+int
+main (void)
+{
+ int (*p) ();
+ int ret = 0;
+
+ printf ("mainvar == %d\n", mainvar);
+ printf ("overriddenvar == %d\n", overriddenvar);
+ printf ("shlibvar1 == %d\n", shlibvar1);
+#ifndef XCOFF_TEST
+ printf ("shlib_mainvar () == %d\n", shlib_mainvar ());
+ printf ("shlib_overriddenvar () == %d\n", shlib_overriddenvar ());
+#endif
+ printf ("shlib_shlibvar1 () == %d\n", shlib_shlibvar1 ());
+ printf ("shlib_shlibvar2 () == %d\n", shlib_shlibvar2 ());
+ printf ("shlib_shlibcall () == %d\n", shlib_shlibcall ());
+#ifndef XCOFF_TEST
+ printf ("shlib_shlibcall2 () == %d\n", shlib_shlibcall2 ());
+ printf ("shlib_maincall () == %d\n", shlib_maincall ());
+#endif
+ printf ("main_called () == %d\n", main_called ());
+ printf ("shlib_checkfunptr1 (shlib_shlibvar1) == %d\n",
+ shlib_checkfunptr1 (shlib_shlibvar1));
+#ifndef XCOFF_TEST
+ printf ("shlib_checkfunptr2 (main_called) == %d\n",
+ shlib_checkfunptr2 (main_called));
+#endif
+ p = shlib_getfunptr1 ();
+ printf ("shlib_getfunptr1 () ");
+ if (p == shlib_shlibvar1)
+ printf ("==");
+ else
+ printf ("!=");
+ printf (" shlib_shlibvar1\n");
+#ifndef XCOFF_TEST
+ p = shlib_getfunptr2 ();
+ printf ("shlib_getfunptr2 () ");
+ if (p == main_called)
+ printf ("==");
+ else
+ printf ("!=");
+ printf (" main_called\n");
+#endif
+ printf ("shlib_check () == %d\n", shlib_check ());
+ printf ("visibility_check () == %d\n", visibility_check ());
+ printf ("visibility_checkfunptr () == %d\n",
+ visibility_checkfunptr ());
+ printf ("main_visibility_check () == %d\n", main_visibility_check ());
+ printf ("visibility_checkvar () == %d\n", visibility_checkvar ());
+ printf ("visibility_checkvarptr () == %d\n",
+ visibility_checkvarptr ());
+ printf ("main_visibility_checkvar () == %d\n",
+ main_visibility_checkvar ());
+ printf ("main_visibility_checkcom () == %d\n",
+ main_visibility_checkcom ());
+ printf ("shlib_visibility_checkcom () == %d\n",
+ shlib_visibility_checkcom ());
+ printf ("main_visibility_checkweak () == %d\n",
+ main_visibility_checkweak ());
+ printf ("shlib_visibility_checkweak () == %d\n",
+ shlib_visibility_checkweak ());
+
+#if !defined (PROTECTED_UNDEF_TEST) && defined (PROTECTED_TEST)
+ if (&shared_data != shared_data_p ())
+ ret = 1;
+ p = shared_func_p ();
+ if (shared_func != p)
+ ret = 1;
+ if (shared_data != *shared_data_p ())
+ ret = 1;
+ if (shared_func () != (*p) () )
+ ret = 1;
+#endif
+
+ return ret;
+}
+#endif
--- /dev/null
+#source: define.s
+#source: undef.s
+#ld: -r
+#readelf: -s
+
+Symbol table '.symtab' contains .* entries:
+ +Num: +Value +Size +Type +Bind +Vis +Ndx +Name
+#...
+ +[0-9]+: [0-9a-fA-F]* +0 +OBJECT +GLOBAL +PROTECTED +. protected
+#pass
--- /dev/null
+#source: undef.s
+#ld: -r
+#readelf: -s
+
+Symbol table '.symtab' contains .* entries:
+ +Num: +Value +Size Type +Bind +Vis +Ndx +Name
+#...
+ +[0-9]+: [0-9a-fA-F]* +0 +NOTYPE +GLOBAL +PROTECTED +UND protected
+#pass
--- /dev/null
+#ifndef NULL
+#define NULL ((void *) 0)
+#endif
+
+/* This is part of the shared library ld test. This file becomes part
+ of a shared library. */
+
+/* This variable is supplied by the main program. */
+#ifndef XCOFF_TEST
+extern int mainvar;
+#endif
+
+/* This variable is defined in the shared library, and overridden by
+ the main program. */
+#ifndef XCOFF_TEST
+#ifdef SHARED
+/* SHARED is defined if we are compiling with -fpic/-fPIC. */
+int overriddenvar = -1;
+#else
+/* Without -fpic, newer versions of gcc assume that we are not
+ compiling for a shared library, and thus that overriddenvar is
+ local. */
+extern int overriddenvar;
+#endif
+#endif
+
+/* This variable is defined in the shared library. */
+int shlibvar1 = 3;
+
+/* This variable is defined by another object in the shared library. */
+extern int shlibvar2;
+
+/* These functions return the values of the above variables as seen in
+ the shared library. */
+
+#ifndef XCOFF_TEST
+int
+shlib_mainvar ()
+{
+ return mainvar;
+}
+#endif
+
+#ifndef XCOFF_TEST
+int
+shlib_overriddenvar ()
+{
+ return overriddenvar;
+}
+#endif
+
+int
+shlib_shlibvar1 ()
+{
+ return shlibvar1;
+}
+
+int
+shlib_shlibvar2 ()
+{
+ return shlibvar2;
+}
+
+/* This function calls a function defined by another object in the
+ shared library. */
+
+extern int shlib_shlibcalled ();
+
+int
+shlib_shlibcall ()
+{
+ return shlib_shlibcalled ();
+}
+
+#ifndef XCOFF_TEST
+/* This function calls a function defined in this object in the shared
+ library. The main program will override the called function. */
+
+extern int shlib_overriddencall2 ();
+
+int
+shlib_shlibcall2 ()
+{
+ return shlib_overriddencall2 ();
+}
+
+#ifdef SHARED
+int
+shlib_overriddencall2 ()
+{
+ return 7;
+}
+#endif
+#endif
+
+/* This function calls a function defined by the main program. */
+
+#ifndef XCOFF_TEST
+extern int main_called ();
+
+int
+shlib_maincall ()
+{
+ return main_called ();
+}
+#endif
+
+/* This function is passed a function pointer to shlib_mainvar. It
+ confirms that the pointer compares equally. */
+
+int
+shlib_checkfunptr1 (p)
+ int (*p) ();
+{
+ return p == shlib_shlibvar1;
+}
+
+/* This function is passed a function pointer to main_called. It
+ confirms that the pointer compares equally. */
+
+#ifndef XCOFF_TEST
+int
+shlib_checkfunptr2 (p)
+ int (*p) ();
+{
+ return p == main_called;
+}
+#endif
+
+/* This function returns a pointer to shlib_mainvar. */
+
+int
+(*shlib_getfunptr1 ()) ()
+{
+ return shlib_shlibvar1;
+}
+
+/* This function returns a pointer to main_called. */
+
+#ifndef XCOFF_TEST
+int
+(*shlib_getfunptr2 ()) ()
+{
+ return main_called;
+}
+#endif
+
+/* This function makes sure that constant data and local functions
+ work. */
+
+#ifndef __STDC__
+#define const
+#endif
+
+static int i = 6;
+static const char *str = "Hello, world\n";
+
+int
+shlib_check ()
+{
+ const char *s1, *s2;
+
+ if (i != 6)
+ return 0;
+
+ /* To isolate the test, don't rely on any external functions, such
+ as strcmp. */
+ s1 = "Hello, world\n";
+ s2 = str;
+ while (*s1 != '\0')
+ if (*s1++ != *s2++)
+ return 0;
+ if (*s2 != '\0')
+ return 0;
+
+ if (shlib_shlibvar1 () != 3)
+ return 0;
+
+ return 1;
+}
+
+#ifdef HIDDEN_WEAK_TEST
+#define HIDDEN_UNDEF_TEST
+#define WEAK_TEST
+#endif
+
+#ifdef PROTECTED_WEAK_TEST
+#define PROTECTED_UNDEF_TEST
+#define WEAK_TEST
+#endif
+
+#if defined (HIDDEN_UNDEF_TEST) || defined (PROTECTED_UNDEF_TEST)
+#ifdef WEAK_TEST
+#pragma weak visibility
+#endif
+extern int visibility ();
+#else
+int
+visibility ()
+{
+ return 2;
+}
+#endif
+
+#ifdef HIDDEN_NORMAL_TEST
+__asm__ (".hidden visibility_normal");
+
+int
+visibility_normal ()
+{
+ return 2;
+}
+#endif
+
+int
+visibility_checkfunptr ()
+{
+#ifdef WEAK_TEST
+ return 1;
+#else
+#ifdef HIDDEN_NORMAL_TEST
+ int (*v) () = visibility_normal;
+#else
+ int (*v) () = visibility;
+#endif
+ return (*v) () == 2;
+#endif
+}
+
+int
+visibility_check ()
+{
+#ifdef WEAK_TEST
+ if (&visibility)
+ return visibility () == 1;
+ else
+ return 1;
+#else
+#ifdef HIDDEN_NORMAL_TEST
+ return visibility_normal () == 2;
+#else
+ return visibility () == 2;
+#endif
+#endif
+}
+
+void *
+visibility_funptr ()
+{
+#ifdef WEAK_TEST
+ if (&visibility == NULL)
+ return NULL;
+ else
+#endif
+ return visibility;
+}
+
+#if defined (HIDDEN_UNDEF_TEST) || defined (PROTECTED_UNDEF_TEST)
+#ifdef WEAK_TEST
+#pragma weak visibility_var
+#endif
+extern int visibility_var;
+#else
+int visibility_var = 2;
+#endif
+
+#ifdef HIDDEN_NORMAL_TEST
+__asm__ (".hidden visibility_var_normal");
+
+int visibility_var_normal = 2;
+#endif
+
+int
+visibility_checkvarptr ()
+{
+#ifdef WEAK_TEST
+ if (&visibility_var)
+ return visibility_var == 1;
+ else
+ return 1;
+#else
+#ifdef HIDDEN_NORMAL_TEST
+ int *v = &visibility_var_normal;
+#else
+ int *v = &visibility_var;
+#endif
+ return *v == 2;
+#endif
+}
+
+int
+visibility_checkvar ()
+{
+#ifdef WEAK_TEST
+ return 1;
+#else
+#ifdef HIDDEN_NORMAL_TEST
+ return visibility_var_normal == 2;
+#else
+ return visibility_var == 2;
+#endif
+#endif
+}
+
+void *
+visibility_varptr ()
+{
+#ifdef WEAK_TEST
+ if (&visibility_var == NULL)
+ return NULL;
+ else
+#endif
+ return &visibility_var;
+}
+
+int
+visibility_varval ()
+{
+#ifdef WEAK_TEST
+ if (&visibility_var == NULL)
+ return 0;
+ else
+#endif
+ return visibility_var;
+}
+
+#if defined (HIDDEN_TEST) || defined (HIDDEN_UNDEF_TEST)
+__asm__ (".hidden visibility");
+__asm__ (".hidden visibility_var");
+#else
+#if defined (PROTECTED_TEST) || defined (PROTECTED_UNDEF_TEST) || defined (PROTECTED_WEAK_TEST)
+__asm__ (".protected visibility");
+__asm__ (".protected visibility_var");
+#endif
+#endif
+
+#ifdef HIDDEN_NORMAL_TEST
+int shlib_visibility_com;
+__asm__ (".hidden shlib_visibility_com");
+
+int
+shlib_visibility_checkcom ()
+{
+ return shlib_visibility_com == 0;
+}
+
+int
+shlib_visibility_checkweak ()
+{
+ return 1;
+}
+#elif defined (HIDDEN_WEAK_TEST)
+#pragma weak shlib_visibility_undef_var_weak
+extern int shlib_visibility_undef_var_weak;
+__asm__ (".hidden shlib_visibility_undef_var_weak");
+
+#pragma weak shlib_visibility_undef_func_weak
+extern int shlib_visibility_undef_func_weak ();
+__asm__ (".hidden shlib_visibility_undef_func_weak");
+
+#pragma weak shlib_visibility_var_weak
+extern int shlib_visibility_var_weak;
+__asm__ (".hidden shlib_visibility_var_weak");
+
+#pragma weak shlib_visibility_func_weak
+extern int shlib_visibility_func_weak ();
+__asm__ (".hidden shlib_visibility_func_weak");
+
+int
+shlib_visibility_checkcom ()
+{
+ return 1;
+}
+
+int
+shlib_visibility_checkweak ()
+{
+ return &shlib_visibility_undef_var_weak == NULL
+ && &shlib_visibility_undef_func_weak == NULL
+ && &shlib_visibility_func_weak == NULL
+ && &shlib_visibility_var_weak == NULL;
+}
+#else
+int
+shlib_visibility_checkcom ()
+{
+ return 1;
+}
+
+int
+shlib_visibility_checkweak ()
+{
+ return 1;
+}
+#endif
+
+#ifdef PROTECTED_TEST
+#ifdef SHARED
+int shared_data = 100;
+#else
+extern int shared_data;
+#endif
+
+int *
+shared_data_p ()
+{
+ return &shared_data;
+}
+
+int
+shared_func ()
+{
+ return 100;
+}
+
+void *
+shared_func_p ()
+{
+ return shared_func;
+}
+#endif
--- /dev/null
+/* This is part of the shared library ld test. This file becomes part
+ of a shared library. */
+
+/* This variable is defined here, and referenced by another file in
+ the shared library. */
+int shlibvar2 = 4;
+
+/* This variable is defined here, and shouldn't be used to resolve a
+ reference with non-default visibility in another shared library. */
+int visibility_com = 2;
+
+/* This function is called by another file in the shared library. */
+
+int
+shlib_shlibcalled ()
+{
+ return 5;
+}
+
+#ifdef DSO_DEFINE_TEST
+int
+visibility ()
+{
+ return 2;
+}
+
+int visibility_var = 2;
+
+int visibility_def = 2;
+
+int
+visibility_func ()
+{
+ return 2;
+}
+#endif
+
+#ifdef HIDDEN_WEAK_TEST
+int visibility_var_weak = 2;
+
+int
+visibility_func_weak ()
+{
+ return 2;
+}
+#endif
+
+#ifndef SHARED
+# ifndef XCOFF_TEST
+int overriddenvar = -1;
+
+int
+shlib_overriddencall2 ()
+{
+ return 7;
+}
+# endif
+# ifdef PROTECTED_TEST
+int shared_data = 100;
+# endif
+#endif
--- /dev/null
+int main_hidden_data = 1;
+
+int
+main_hidden_func ()
+{
+ return 1;
+}
--- /dev/null
+#pragma weak main_hidden_data
+extern int main_hidden_data;
+__asm__ (".hidden main_hidden_data");
+
+#pragma weak main_hidden_func
+extern int main_hidden_func ();
+__asm__ (".hidden main_hidden_func");
+
+int
+_start (void)
+{
+ int ret = 0;
+
+ if (&main_hidden_data != 0)
+ ret = 1;
+ if (main_hidden_func != 0)
+ ret = 1;
+
+ return ret;
+}
+
+int
+__start (void)
+{
+ return _start ();
+}
--- /dev/null
+ .protected protected
+ .hidden hidden
+ .internal internal
--- /dev/null
+# Expect script for ld-visibility tests
+# Copyright (C) 2000-2022 Free Software Foundation, Inc.
+#
+# 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 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., 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 arm*-*-linux*] \
+ && ![istarget alpha*-*-linux*] \
+ && ![istarget sparc*-*-linux*] \
+ && ![istarget s390*-*-linux*] \
+ && ![istarget sh\[34\]*-*-linux*] \
+ && ![istarget x86_64-*-linux*] } {
+ return
+}
+
+set test_list [lsort [glob -nocomplain $srcdir/$subdir/*-elf.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]
+}
+
+set tmpdir tmpdir
+set SHCFLAG ""
+set shared_needs_pic "no"
+set COMPRESS_LDFLAG "-Wl,--compress-debug-sections=zlib-gabi"
+
+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 $tmpdir/movw-detect.o"] {
+ set shared_needs_pic "yes"
+ }
+ }
+}
+
+set support_protected "no"
+
+if { [istarget *-*-linux*]
+ || [istarget *-*-nacl*]
+ || [istarget *-*-gnu*] } {
+ if [ld_compile "$CC_FOR_TARGET -g -DPROTECTED_CHECK" $srcdir/$subdir/main.c $tmpdir/main.o] {
+ if [ld_link $CC_FOR_TARGET $tmpdir/main "$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_FOR_TARGET
+ 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.
+ set shared -shared
+ if { [is_elf_format] && [check_shared_lib_support] } {
+ append shared " -Wl,-z,notext"
+ }
+ if {![ld_link $CC_FOR_TARGET $tmpdir/$progname.so "$shared $shldflags $tmpdir/$sh1 $tmpdir/$sh2"]} {
+ if { [ string match $visibility "hidden_undef" ]
+ && [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 "undefined reference to \`\.?visibility\'" $link_output]
+ && [regexp "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.
+ set rpath $tmpdir
+ if ![ld_link $CC_FOR_TARGET $tmpdir/$progname "-Wl,-rpath,$rpath $tmpdir/$main $tmpdir/$progname.so"] {
+ if { [ string match $visibility "hidden" ]
+ && [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 "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"
+ }}
+ return
+ }
+
+ if { [ string match $visibility "hidden" ]
+ || [ string match $visibility "hidden_undef" ]
+ || [ string match $visibility "protected_undef" ] } {
+ fail "$testname"
+ }
+
+ if ![isnative] {
+ unsupported "$testname"
+ return
+ }
+
+ # Run the resulting program
+ send_log "$tmpdir/$progname >$tmpdir/$progname.out\n"
+ verbose "$tmpdir/$progname >$tmpdir/$progname.out"
+ 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_FOR_TARGET
+ global SHCFLAG
+ global srcdir
+ global subdir
+ global tmpdir
+ global picflag
+ global target_triplet
+ global support_protected
+ global shared_needs_pic
+ global PLT_CFLAGS
+ global NOPIE_CFLAGS
+ global COMPRESS_LDFLAG
+ global NOSANITIZE_CFLAGS
+ global NOLTO_CFLAGS
+
+ 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 ""
+ }}}}}}}}}
+
+ # 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_FOR_TARGET -g $PLT_CFLAGS $SHCFLAG $VSBCFLAG $NOSANITIZE_CFLAGS $NOLTO_CFLAGS" $srcdir/$subdir/main.c $tmpdir/mainnp.o] {
+ unsupported "visibility ($visibility) (non PIC)"
+ unsupported "visibility ($visibility)"
+ } else {
+ # The shared library is composed of two files. First compile them
+ # without using -fpic. That should work on an ELF system,
+ # although it will be less efficient because the dynamic linker
+ # will need to do more relocation work. However, note that not
+ # using -fpic will cause some of the tests to return different
+ # results. Make sure that PLT is used since PLT is expected.
+ if { ![ld_compile "$CC_FOR_TARGET -g $NOPIE_CFLAGS $PLT_CFLAGS $SHCFLAG $VSBCFLAG $NOSANITIZE_CFLAGS $NOLTO_CFLAGS" $srcdir/$subdir/sh1.c $tmpdir/sh1np.o]
+ || ![ld_compile "$CC_FOR_TARGET -g $NOPIE_CFLAGS $PLT_CFLAGS $SHCFLAG $VSBCFLAG $NOSANITIZE_CFLAGS $NOLTO_CFLAGS" $srcdir/$subdir/sh2.c $tmpdir/sh2np.o] } {
+ unsupported "visibility ($visibility) (non PIC)"
+ } 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
+ }
+ }
+
+ # 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
+ # 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
+ }
+ }
+ 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 \
+ "-Wl,-T,$srcdir/$subdir/elf-offset.ld,--hash-style=sysv"
+ }
+
+ # Now compile the code using -fpic.
+
+ if { ![ld_compile "$CC_FOR_TARGET -g $SHCFLAG $VSBCFLAG $NOSANITIZE_CFLAGS $NOLTO_CFLAGS -DSHARED $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o]
+ || ![ld_compile "$CC_FOR_TARGET -g $SHCFLAG $VSBCFLAG $NOSANITIZE_CFLAGS $NOLTO_CFLAGS -DSHARED $picflag" $srcdir/$subdir/sh2.c $tmpdir/sh2p.o] } {
+ unsupported "visibility ($visibility)"
+ } else {
+ if { [ string match $visibility "protected" ]
+ || [ string match $visibility "protected_undef_def" ] } {
+ if [ string match $support_protected "no" ] {
+ setup_xfail $target_triplet
+ }
+ }
+ 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_FOR_TARGET -g $SHCFLAG $VSBCFLAG $NOSANITIZE_CFLAGS $NOLTO_CFLAGS -DSHARED $picflag" $srcdir/$subdir/main.c $tmpdir/mainp.o] {
+ unsupported "visibility ($visibility) (PIC main, non PIC so)"
+ unsupported "visibility ($visibility) (PIC main)"
+ } else {
+ if { [ remote_file host exists $tmpdir/sh1np.o ]
+ && [ remote_file host exists $tmpdir/sh2np.o ] } {
+ # 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
+ }
+ }
+ 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 {
+ unsupported "visibility (PIC main, non PIC so)"
+ }
+
+ 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" ] {
+ setup_xfail $target_triplet
+ }
+ }
+ visibility_test $visibility vmpp "visibility ($visibility) (PIC main)" mainp.o sh1p.o sh2p.o elfvsb
+ } else {
+ unsupported "visibility ($visibility) (PIC main)"
+ }
+ }}
+}
+
+# Old version of GCC for MIPS default to enabling -fpic
+# and get confused if it is used on the command line.
+if { [istarget mips*-*-*] && ! [at_least_gcc_version 4 3] } then {
+ set picflag ""
+} else {
+ # Unfortunately, the gcc argument is -fpic and the cc argument is
+ # -KPIC. We have to try both.
+ set picflag "-fpic"
+ send_log "$CC_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] } {
+ 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_FOR_TARGET -g $NOSANITIZE_CFLAGS $NOLTO_CFLAGS" $srcdir/$subdir/common.c tmpdir/common.o] } {
+ unsupported "common hidden symbol"
+} else {
+ if ![ld_link $ld tmpdir/common "tmpdir/common.o"] {
+ fail "common hidden symbol"
+ } else {
+ pass "common hidden symbol"
+ }
+}
+
+if { ![ld_compile "$CC_FOR_TARGET -g $NOSANITIZE_CFLAGS $NOLTO_CFLAGS" $srcdir/$subdir/test.c tmpdir/test.o] } {
+ unsupported "weak hidden symbol"
+} else {
+ if { ![ld_compile "$CC_FOR_TARGET -g $NOSANITIZE_CFLAGS $NOLTO_CFLAGS -DSHARED $picflag" $srcdir/$subdir/sh3.c tmpdir/sh3.o] } {
+ unsupported "weak hidden symbol"
+ } else {
+ if ![ld_link $ld tmpdir/sh3.so "-shared tmpdir/sh3.o"] {
+ fail "weak hidden symbol"
+ } else {
+ if ![ld_link $ld tmpdir/weak "tmpdir/test.o tmpdir/sh3.so"] {
+ fail "weak hidden symbol DSO last"
+ } else {
+ pass "weak hidden symbol DSO last"
+ }
+ 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 / binutils-gdb.git / commitdiff