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6955136728
bfd/ PR 27311 * elflink.c (_bfd_elf_add_default_symbol): Clear override when undecorated symbol will have a different version. ld/ * testsuite/ld-ifunc/ifunc.exp (libpr16467b.so, libpr16467bn.so): Link with --as-needed.
794 lines
21 KiB
Plaintext
794 lines
21 KiB
Plaintext
# Expect script for linker support of IFUNC symbols and relocations.
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#
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# Copyright (C) 2009-2021 Free Software Foundation, Inc.
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# Contributed by Red Hat.
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#
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# This file is part of the GNU Binutils.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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# MA 02110-1301, USA.
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#
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# Written by Nick Clifton <nickc@redhat.com>
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if { ![is_elf_format] || ![supports_gnu_osabi]
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|| [istarget alpha-*-*]
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|| [istarget arc*-*-*]
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|| [istarget am33*-*-*]
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|| [istarget bfin-*-*]
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|| [istarget cris*-*-*]
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|| [istarget frv-*-*]
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|| [istarget lm32-*-*]
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|| [istarget m32r-*-*]
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|| [istarget m68k-*-*]
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|| [istarget microblaze-*-*]
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|| [istarget mips*-*-*]
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|| [istarget mn10300-*-*]
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|| [istarget nds32*-*-*]
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|| [istarget nios2-*-*]
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|| [istarget or1k-*-*]
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|| [istarget score*-*-*]
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|| [istarget sh*-*-*]
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|| [istarget tic6x-*-*]
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|| [istarget tile*-*-*]
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|| [istarget vax-*-*] } {
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verbose "IFUNC tests not run - target does not support IFUNC"
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return
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}
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# Skip targets where -shared is not supported
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if ![check_shared_lib_support] {
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return
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}
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set saved_ASFLAGS "$ASFLAGS"
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if { [istarget "i?86-*-*"] || [istarget "x86_64-*-*"] } {
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set ASFLAGS "$ASFLAGS -mx86-used-note=no"
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}
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# This test does not need a compiler...
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run_dump_test "ifuncmod5"
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set test_list [lsort [glob -nocomplain $srcdir/$subdir/*.d]]
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foreach t $test_list {
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# We need to strip the ".d", but can leave the dirname.
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verbose [file rootname $t]
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run_dump_test [file rootname $t]
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}
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# We need a working compiler. (Strictly speaking this is
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# not true, we could use target specific assembler files).
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if { ![check_compiler_available] } {
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verbose "IFUNC tests not run - no compiler available"
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return
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}
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# A procedure to check the OS/ABI field in the ELF header of a binary file.
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proc check_osabi { binary_file expected_osabi } {
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global READELF
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global READELFFLAGS
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catch "exec $READELF $READELFFLAGS --file-header $binary_file > readelf.out" got
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if ![string match "" $got] then {
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verbose "proc check_osabi: Readelf produced unexpected out processing $binary_file: $got"
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return 0
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}
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if { ![regexp "\n\[ \]*OS/ABI:\[ \]*(.+)\n\[ \]*ABI" \
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[file_contents readelf.out] nil osabi] } {
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verbose "proc check_osabi: Readelf failed to extract an ELF header from $binary_file"
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return 0
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}
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if { $osabi == $expected_osabi } {
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return 1
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}
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verbose "Expected OSABI: $expected_osabi, Obtained osabi: $osabi"
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return 0
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}
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# A procedure to confirm that a file contains the IFUNC symbol.
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# Returns -1 upon error, 0 if the symbol was not found and 1 if it was found.
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proc contains_ifunc_symbol { binary_file } {
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global READELF
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global READELFFLAGS
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catch "exec $READELF $READELFFLAGS --symbols $binary_file > readelf.out" got
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if ![string match "" $got] then {
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verbose "proc contains_ifunc_symbol: Readelf produced unexpected out processing $binary_file: $got"
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return -1
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}
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# Look for a line like this:
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# 58: 0000000000400600 30 IFUNC GLOBAL DEFAULT 12 library_func2
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# with perhaps some other info between the visibility and section
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if { ![regexp ".*\[ \]*IFUNC\[ \]+GLOBAL\[ \]+DEFAULT .* \[UND0-9\]+\[ \]+library_func2\n" [file_contents readelf.out]] } {
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return 0
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}
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return 1
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}
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# A procedure to confirm that a file contains the R_*_IRELATIVE
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# relocation.
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# Returns -1 upon error, 0 if the relocation was not found and 1 if
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# it was found.
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proc contains_irelative_reloc { binary_file } {
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global READELF
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global READELFFLAGS
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catch "exec $READELF $READELFFLAGS --relocs --wide $binary_file > readelf.out" got
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if ![string match "" $got] then {
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verbose "proc contains_irelative_reloc: Readelf produced unexpected out processing $binary_file: $got"
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return -1
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}
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# Look for a line like this:
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# 0000000000600ab0 0000000000000025 R_X86_64_IRELATIVE 000000000040061c
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# 080496f4 0000002a R_386_IRELATIVE
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if { ![regexp "\[0-9a-f\]+\[ \]+\[0-9a-f\]+\[ \]+R_(\[_0-9A-Z\]+_IREL(|ATIVE)|PARISC_IPLT)\[ \]*\[0-9a-f\]*\n" [file_contents readelf.out]] } {
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return 0
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}
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return 1
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}
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# A procedure to confirm that a file contains a relocation that references an IFUNC symbol.
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# Returns -1 upon error, 0 if the reloc was not found and 1 if it was found.
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proc contains_ifunc_reloc { binary_file } {
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global READELF
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global READELFFLAGS
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catch "exec $READELF $READELFFLAGS --relocs $binary_file > readelf.out" got
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if ![string match "" $got] then {
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verbose "proc contains_ifunc_reloc: Readelf produced unexpected out processing $binary_file: $got"
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return -1
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}
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if [string match "" [file_contents readelf.out]] then {
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verbose "No relocs found in $binary_file"
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return 0
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}
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if { ![regexp "\\(\\)" [file_contents readelf.out]] } {
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return 0
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}
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return 1
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}
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set fails 0
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# Disable LTO for these tests.
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set cc_cmd "$CC"
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if {[check_lto_available]} {
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append cc_cmd " -fno-lto"
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}
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# Create the object files, libraries and executables.
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if ![ld_compile "$cc_cmd -c -fPIC" "$srcdir/$subdir/prog.c" "tmpdir/shared_prog.o"] {
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fail "Could not create a PIC object file"
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set fails [expr $fails + 1]
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}
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if ![ld_compile "$cc_cmd -c $NOPIE_CFLAGS" "$srcdir/$subdir/prog.c" "tmpdir/static_prog.o"] {
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fail "Could not create a non-PIC object file"
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set fails [expr $fails + 1]
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}
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if ![ld_compile "$cc_cmd -c -fPIC -DWITH_IFUNC" "$srcdir/$subdir/lib.c" "tmpdir/shared_ifunc.o"] {
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fail "Could not create a PIC object file containing an IFUNC symbol"
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set fails [expr $fails + 1]
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}
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if ![ld_compile "$cc_cmd -c $NOPIE_CFLAGS -DWITH_IFUNC" "$srcdir/$subdir/lib.c" "tmpdir/static_ifunc.o"] {
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fail "Could not create a non-PIC object file containing an IFUNC symbol"
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set fails [expr $fails + 1]
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}
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if ![ld_compile "$cc_cmd -c -DWITHOUT_IFUNC" "$srcdir/$subdir/lib.c" "tmpdir/static_noifunc.o"] {
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fail "Could not create an ordinary non-PIC object file"
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set fails [expr $fails + 1]
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}
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if ![ld_assemble $as "$srcdir/ld-elf/empty.s" "tmpdir/empty.o"] {
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fail "Could not create an empty object file"
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set fails [expr $fails + 1]
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}
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if ![ld_compile "$cc_cmd -c" "$srcdir/$subdir/test-1.c" "tmpdir/test-1.o"] {
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fail "Could not create test-1.o"
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set fails [expr $fails + 1]
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}
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if ![ld_compile "$cc_cmd -fPIC -c" "$srcdir/$subdir/test-2.c" "tmpdir/test-2.o"] {
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fail "Could not create test-2.o"
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set fails [expr $fails + 1]
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}
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if { $fails != 0 } {
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return
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}
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if ![ld_link $ld "tmpdir/libshared_ifunc.so" "-shared tmpdir/shared_ifunc.o"] {
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fail "Could not create a shared library containing an IFUNC symbol"
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set fails [expr $fails + 1]
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}
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if ![ar_simple_create $ar "" "tmpdir/libifunc.a" "tmpdir/static_ifunc.o"] {
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fail "Could not create a static library containing an IFUNC symbol"
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set fails [expr $fails + 1]
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}
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if { $fails != 0 } {
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return
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}
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if ![ld_link $CC "tmpdir/dynamic_prog" "-Wl,--no-as-needed,-rpath=./tmpdir,-Bdynamic -Ltmpdir tmpdir/shared_prog.o -lshared_ifunc"] {
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fail "Could not link a dynamic executable"
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set fails [expr $fails + 1]
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}
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if ![ld_link $CC "tmpdir/local_prog" "$NOPIE_LDFLAGS -Wl,--no-as-needed,-rpath=./tmpdir -Ltmpdir tmpdir/static_prog.o -lifunc"] {
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fail "Could not link a dynamic executable using local ifunc"
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set fails [expr $fails + 1]
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}
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if ![string match "" $STATIC_LDFLAGS] {
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if ![ld_link $CC "tmpdir/static_prog" "-static -Ltmpdir tmpdir/static_prog.o -lifunc"] {
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fail "Could not link a static executable"
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set fails [expr $fails + 1]
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}
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}
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if ![ld_link $ld "tmpdir/static_nonifunc_prog" "-static tmpdir/empty.o"] {
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fail "Could not link a non-ifunc using static executable"
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set fails [expr $fails + 1]
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}
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if ![ld_link $CC "tmpdir/test-1" "-Wl,--no-as-needed,-rpath=./tmpdir tmpdir/test-1.o tmpdir/libshared_ifunc.so"] {
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fail "Could not link test-1"
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set fails [expr $fails + 1]
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}
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if ![ld_link $ld "tmpdir/libtest-2.so" "-shared tmpdir/test-2.o"] {
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fail "Could not link libtest-2.so"
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set fails [expr $fails + 1]
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}
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if ![ld_link $ld "tmpdir/libtest-2-now.so" "-shared -z now tmpdir/test-2.o"] {
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fail "Could not link libtest-2-now.so"
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set fails [expr $fails + 1]
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}
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if { $fails == 0 } {
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pass "Building ifunc binaries"
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set fails 0
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} else {
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return
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}
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# Check the executables and shared libraries
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#
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# The linked ifunc using executables and the shared library containing
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# ifunc should have an OSABI field of GNU. The linked non-ifunc using
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# executable should have an OSABI field of NONE (aka System V).
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switch -glob $target_triplet {
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hppa*-*-linux* { set expected_none {UNIX - GNU} }
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default { set expected_none {UNIX - System V} }
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}
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if {! [check_osabi tmpdir/libshared_ifunc.so {UNIX - GNU}]} {
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fail "Shared libraries containing ifunc does not have an OS/ABI field of GNU"
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set fails [expr $fails + 1]
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}
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if {! [check_osabi tmpdir/local_prog {UNIX - GNU}]} {
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fail "Local ifunc-using executable does not have an OS/ABI field of GNU"
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set fails [expr $fails + 1]
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}
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if { ![string match "" $STATIC_LDFLAGS] \
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&& ![check_osabi tmpdir/static_prog {UNIX - GNU}]} {
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fail "Static ifunc-using executable does not have an OS/ABI field of GNU"
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set fails [expr $fails + 1]
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}
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if {! [check_osabi tmpdir/dynamic_prog $expected_none]} {
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fail "Dynamic ifunc-using executable does not have an OS/ABI field of $expected_none"
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set fails [expr $fails + 1]
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}
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if {! [check_osabi tmpdir/static_nonifunc_prog $expected_none]} {
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fail "Static non-ifunc-using executable does not have an OS/ABI field of $expected_none"
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set fails [expr $fails + 1]
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}
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# The linked ifunc using executables and the shared library containing
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# ifunc should contain an IFUNC symbol. The non-ifunc using executable
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# should not.
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if {[contains_ifunc_symbol tmpdir/libshared_ifunc.so] != 1} {
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fail "Shared libraries containing ifunc does not contain an IFUNC symbol"
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set fails [expr $fails + 1]
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}
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if {[contains_ifunc_symbol tmpdir/local_prog] != 1} {
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fail "Local ifunc-using executable does not contain an IFUNC symbol"
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set fails [expr $fails + 1]
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}
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if { ![string match "" $STATIC_LDFLAGS] \
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&& [contains_ifunc_symbol tmpdir/static_prog] != 1} {
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fail "Static ifunc-using executable does not contain an IFUNC symbol"
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set fails [expr $fails + 1]
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}
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if {[contains_ifunc_symbol tmpdir/dynamic_prog] != 0} {
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fail "Dynamic ifunc-using executable contains an IFUNC symbol"
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set fails [expr $fails + 1]
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}
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if {[contains_ifunc_symbol tmpdir/static_nonifunc_prog] != 0} {
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fail "Static non-ifunc-using executable contains an IFUNC symbol"
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set fails [expr $fails + 1]
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}
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if {[contains_ifunc_symbol tmpdir/test-1] != 0} {
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fail "test-1 contains IFUNC symbols"
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set fails [expr $fails + 1]
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}
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if {[contains_ifunc_symbol tmpdir/libtest-2.so] != 0} {
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fail "libtest-2.so contains IFUNC symbols"
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set fails [expr $fails + 1]
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}
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if {[contains_ifunc_symbol tmpdir/libtest-2-now.so] != 0} {
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fail "libtest-2-now.so contains IFUNC symbols"
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set fails [expr $fails + 1]
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}
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# The linked ifunc using executables and shared libraries should contain
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# a dynamic reloc referencing the IFUNC symbol. (Even the static
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# executable which should have a dynamic section created for it). The
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# non-ifunc using executable should not.
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if {[contains_irelative_reloc tmpdir/libshared_ifunc.so] != 1} {
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fail "ifunc-using shared library does not contain R_*_IRELATIVE relocation"
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set fails [expr $fails + 1]
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}
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if {[contains_irelative_reloc tmpdir/local_prog] != 1} {
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fail "Local ifunc-using executable does not contain R_*_IRELATIVE relocation"
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set fails [expr $fails + 1]
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}
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if { ![string match "" $STATIC_LDFLAGS] \
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&& [contains_irelative_reloc tmpdir/static_prog] != 1} {
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fail "Static ifunc-using executable does not contain R_*_IRELATIVE relocation"
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set fails [expr $fails + 1]
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}
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if {[contains_ifunc_reloc tmpdir/dynamic_prog] != 0} {
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fail "Dynamic ifunc-using executable contains a reloc against an IFUNC symbol"
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set fails [expr $fails + 1]
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}
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if {[contains_ifunc_reloc tmpdir/static_nonifunc_prog] == 1} {
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fail "Static non-ifunc-using executable contains a reloc against an IFUNC symbol!"
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set fails [expr $fails + 1]
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}
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if { $fails == 0 } {
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pass "Checking ifunc binaries"
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}
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run_cc_link_tests [list \
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[list \
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"Build libpr16467a.so" \
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"-shared -Wl,--version-script=pr16467a.map" \
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"-fPIC" \
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{ pr16467a.c } \
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{} \
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"libpr16467a.so" \
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] \
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[list \
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"Build libpr16467b.a" \
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"" \
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"-fPIC" \
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{ pr16467b.c } \
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{} \
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"libpr16467b.a" \
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] \
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[list \
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"Build libpr16467b.so" \
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"-shared -Wl,--as-needed tmpdir/pr16467b.o tmpdir/libpr16467a.so \
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-Wl,--version-script=pr16467b.map" \
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"-fPIC" \
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{ dummy.c } \
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{} \
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"libpr16467b.so" \
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] \
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[list \
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"Build libpr16467c.a" \
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"" \
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"" \
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{ pr16467c.c } \
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{} \
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"libpr16467c.a" \
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] \
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[list \
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"Build libpr16467an.so" \
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"-shared -Wl,-z,now -Wl,--version-script=pr16467a.map" \
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"-fPIC" \
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{ pr16467a.c } \
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{} \
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"libpr16467an.so" \
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] \
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[list \
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"Build libpr16467bn.so" \
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"-shared -Wl,--as-needed tmpdir/pr16467b.o tmpdir/libpr16467an.so \
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-Wl,--version-script=pr16467b.map" \
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"-fPIC" \
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{ dummy.c } \
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{} \
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"libpr16467bn.so" \
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] \
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]
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run_ld_link_exec_tests [list \
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[list \
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"Common symbol override ifunc test 1a" \
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"-static" \
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"" \
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{ ifunc-common-1a.c ifunc-common-1b.c } \
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"ifunc-common-1a" \
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"ifunc-common-1.out" \
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"-g" \
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] \
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[list \
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"Common symbol override ifunc test 1b" \
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"-static" \
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"" \
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{ ifunc-common-1b.c ifunc-common-1a.c } \
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"ifunc-common-1b" \
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"ifunc-common-1.out" \
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"-g" \
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] \
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]
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# Run-time tests which require working IFUNC support.
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if { ![check_ifunc_available] } {
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return
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}
|
|
|
|
run_cc_link_tests [list \
|
|
[list \
|
|
"Build ifunc-lib.so" \
|
|
"-shared" \
|
|
"-fPIC" \
|
|
{ ifunc-lib.c } \
|
|
{} \
|
|
"libifunc-lib.so" \
|
|
] \
|
|
[list \
|
|
"Build ifunc-libn.so" \
|
|
"-shared -Wl,-z,now" \
|
|
"-fPIC" \
|
|
{ ifunc-lib.c } \
|
|
{} \
|
|
"libifunc-libn.so" \
|
|
] \
|
|
]
|
|
|
|
run_ld_link_exec_tests [list \
|
|
[list \
|
|
"Run pr16467" \
|
|
"-Wl,--no-as-needed tmpdir/pr16467c.o tmpdir/libpr16467b.so tmpdir/libpr16467a.so" \
|
|
"" \
|
|
{ dummy.c } \
|
|
"pr16467" \
|
|
"pr16467.out" \
|
|
"" \
|
|
] \
|
|
[list \
|
|
"Run pr16467 (-z now)" \
|
|
"-Wl,-z,now -Wl,--no-as-needed tmpdir/pr16467c.o tmpdir/libpr16467bn.so tmpdir/libpr16467an.so" \
|
|
"" \
|
|
{ dummy.c } \
|
|
"pr16467n" \
|
|
"pr16467.out" \
|
|
"" \
|
|
] \
|
|
[list \
|
|
"Run ifunc-main" \
|
|
"-Wl,--no-as-needed tmpdir/libifunc-lib.so" \
|
|
"" \
|
|
{ ifunc-main.c } \
|
|
"ifunc-main" \
|
|
"ifunc-main.out" \
|
|
] \
|
|
[list \
|
|
"Run ifunc-main with -fpic" \
|
|
"-Wl,--no-as-needed tmpdir/libifunc-lib.so" \
|
|
"" \
|
|
{ ifunc-main.c } \
|
|
"ifunc-main" \
|
|
"ifunc-main.out" \
|
|
"-fpic" \
|
|
] \
|
|
[list \
|
|
"Run ifunc-main (-z now)" \
|
|
"-Wl,-z,now -Wl,--no-as-needed tmpdir/libifunc-libn.so" \
|
|
"" \
|
|
{ ifunc-main.c } \
|
|
"ifunc-mainn" \
|
|
"ifunc-main.out" \
|
|
] \
|
|
[list \
|
|
"Run ifunc-main with PIE (-z now)" \
|
|
"-pie -Wl,-z,now -Wl,--no-as-needed tmpdir/libifunc-libn.so" \
|
|
"" \
|
|
{ ifunc-main.c } \
|
|
"ifunc-mainpn" \
|
|
"ifunc-main.out" \
|
|
"-fpie" \
|
|
] \
|
|
]
|
|
|
|
# Run-time tests which require working ifunc attribute support.
|
|
if { ![check_ifunc_attribute_available] } {
|
|
return
|
|
}
|
|
|
|
run_cc_link_tests [list \
|
|
[list \
|
|
"Build pr18808a.o" \
|
|
"" \
|
|
"" \
|
|
{ pr18808a.c } \
|
|
"" \
|
|
"" \
|
|
] \
|
|
[list \
|
|
"Build libpr18808.so" \
|
|
"-shared" \
|
|
"-fPIC -O2 -g" \
|
|
{ pr18808b.c } \
|
|
{} \
|
|
"libpr18808.so" \
|
|
] \
|
|
[list \
|
|
"Build libpr18808n.so" \
|
|
"-shared -Wl,-z,now" \
|
|
"-fPIC -O2 -g" \
|
|
{ pr18808b.c } \
|
|
{} \
|
|
"libpr18808n.so" \
|
|
] \
|
|
[list \
|
|
"Build pr18841a.o" \
|
|
"" \
|
|
"$NOPIE_CFLAGS" \
|
|
{ pr18841a.c } \
|
|
"" \
|
|
"" \
|
|
] \
|
|
[list \
|
|
"Build libpr18841b.so" \
|
|
"-shared" \
|
|
"-fPIC -O0 -g" \
|
|
{ pr18841b.c } \
|
|
{} \
|
|
"libpr18841b.so" \
|
|
] \
|
|
[list \
|
|
"Build libpr18841c.so" \
|
|
"-shared" \
|
|
"-fPIC -O0 -g" \
|
|
{ pr18841c.c } \
|
|
{} \
|
|
"libpr18841c.so" \
|
|
] \
|
|
[list \
|
|
"Build libpr18841bn.so" \
|
|
"-Wl,-z,now -shared" \
|
|
"-fPIC -O0 -g" \
|
|
{ pr18841b.c } \
|
|
{} \
|
|
"libpr18841bn.so" \
|
|
] \
|
|
[list \
|
|
"Build libpr18841cn.so" \
|
|
"-shared" \
|
|
"-Wl,-z,now -fPIC -O0 -g" \
|
|
{ pr18841c.c } \
|
|
{} \
|
|
"libpr18841cn.so" \
|
|
] \
|
|
[list \
|
|
"Build libpr23169a.so" \
|
|
"-shared" \
|
|
"-fPIC -O2 -g" \
|
|
{ pr23169a.c } \
|
|
{} \
|
|
"libpr23169a.so" \
|
|
] \
|
|
[list \
|
|
"Build libpr23169b.so" \
|
|
"-shared -Wl,-z,now" \
|
|
"-fPIC -O2 -g" \
|
|
{ pr23169a.c } \
|
|
{} \
|
|
"libpr23169b.so" \
|
|
] \
|
|
[list \
|
|
"Build pr23169a" \
|
|
"$NOPIE_LDFLAGS -Wl,--no-as-needed tmpdir/libpr23169a.so" \
|
|
"$NOPIE_CFLAGS -O2 -g" \
|
|
{ pr23169b.c pr23169c.c } \
|
|
{{readelf {--dyn-syms} pr23169a.rd} \
|
|
{readelf {-r -W} pr23169b.rd}} \
|
|
"pr23169a" \
|
|
] \
|
|
[list \
|
|
"Build pr23169b" \
|
|
"-pie -Wl,--no-as-needed tmpdir/libpr23169a.so" \
|
|
"-fPIE -O2 -g" \
|
|
{ pr23169b.c pr23169c.c } \
|
|
{{readelf {--dyn-syms} pr23169c.rd} \
|
|
{readelf {-r -W} pr23169b.rd}} \
|
|
"pr23169b" \
|
|
] \
|
|
[list \
|
|
"Build pr23169c" \
|
|
"$NOPIE_LDFLAGS -Wl,--no-as-needed tmpdir/libpr23169a.so" \
|
|
"-fPIE -O2 -g" \
|
|
{ pr23169b.c pr23169c.c } \
|
|
{{readelf {--dyn-syms} pr23169a.rd} \
|
|
{readelf {-r -W} pr23169b.rd}} \
|
|
"pr23169c" \
|
|
] \
|
|
[list \
|
|
"Build pr23169d" \
|
|
"$NOPIE_LDFLAGS -Wl,--no-as-needed,-z,now tmpdir/libpr23169b.so" \
|
|
"$NOPIE_CFLAGS -O2 -g" \
|
|
{ pr23169b.c pr23169c.c } \
|
|
{{readelf {--dyn-syms} pr23169a.rd} \
|
|
{readelf {-r -W} pr23169b.rd}} \
|
|
"pr23169d" \
|
|
] \
|
|
[list \
|
|
"Build pr23169f" \
|
|
"$NOPIE_LDFLAGS -Wl,--no-as-needed,-z,now tmpdir/libpr23169b.so" \
|
|
"-fPIE -O2 -g" \
|
|
{ pr23169b.c pr23169c.c } \
|
|
{{readelf {--dyn-syms} pr23169a.rd} \
|
|
{readelf {-r -W} pr23169b.rd}} \
|
|
"pr23169f" \
|
|
] \
|
|
]
|
|
|
|
run_ld_link_exec_tests [list \
|
|
[list \
|
|
"Run pr18808" \
|
|
"-Wl,--no-as-needed tmpdir/pr18808a.o tmpdir/libpr18808.so" \
|
|
"" \
|
|
{ dummy.c } \
|
|
"pr18808" \
|
|
"pr18808.out" \
|
|
] \
|
|
[list \
|
|
"Run pr18808 (-z now)" \
|
|
"-Wl,-z,now -Wl,--no-as-needed tmpdir/pr18808a.o tmpdir/libpr18808n.so" \
|
|
"" \
|
|
{ dummy.c } \
|
|
"pr18808n" \
|
|
"pr18808.out" \
|
|
] \
|
|
[list \
|
|
"Run pr18841 with libpr18841b.so" \
|
|
"$NOPIE_LDFLAGS -Wl,--no-as-needed tmpdir/pr18841a.o tmpdir/libpr18841b.so" \
|
|
"$NOPIE_CFLAGS" \
|
|
{ dummy.c } \
|
|
"pr18841b" \
|
|
"pr18841.out" \
|
|
] \
|
|
[list \
|
|
"Run pr18841 with libpr18841c.so" \
|
|
"$NOPIE_LDFLAGS -Wl,--as-needed tmpdir/pr18841a.o tmpdir/libpr18841c.so" \
|
|
"$NOPIE_CFLAGS" \
|
|
{ dummy.c } \
|
|
"pr18841c" \
|
|
"pr18841.out" \
|
|
] \
|
|
[list \
|
|
"Run pr18841 with libpr18841bn.so (-z now)" \
|
|
"$NOPIE_LDFLAGS -Wl,-z,now -Wl,--no-as-needed tmpdir/pr18841a.o tmpdir/libpr18841bn.so" \
|
|
"$NOPIE_CFLAGS" \
|
|
{ dummy.c } \
|
|
"pr18841bn" \
|
|
"pr18841.out" \
|
|
] \
|
|
[list \
|
|
"Run pr18841 with libpr18841cn.so (-z now)" \
|
|
"$NOPIE_LDFLAGS -Wl,-z,now -Wl,--as-needed tmpdir/pr18841a.o tmpdir/libpr18841cn.so" \
|
|
"$NOPIE_CFLAGS" \
|
|
{ dummy.c } \
|
|
"pr18841cn" \
|
|
"pr18841.out" \
|
|
] \
|
|
]
|
|
|
|
# The pr23169 testcase is not valid. In general, you can't call ifunc
|
|
# resolvers in another binary unless you know what you're doing. In
|
|
# particular you must ensure that the binary containing the resolver
|
|
# is relocated before the resolver is called (for example, the
|
|
# function addresses returned by the resolver may be loaded from the
|
|
# GOT).
|
|
# That does not happen for the pr23169 testcase where the resolver is
|
|
# in the executable (which is relocated last by ld.so).
|
|
if { [isnative]
|
|
&& !([istarget "powerpc-*-*"]
|
|
|| [istarget "aarch64*-*-*"]
|
|
|| [istarget "sparc*-*-*"]
|
|
|| [istarget "riscv*-*-*"]) } {
|
|
run_ld_link_exec_tests [list \
|
|
[list \
|
|
"Run pr23169a" \
|
|
"$NOPIE_LDFLAGS -Wl,--no-as-needed tmpdir/libpr23169a.so" \
|
|
"" \
|
|
{ pr23169b.c pr23169c.c } \
|
|
"pr23169a" \
|
|
"pass.out" \
|
|
"$NOPIE_CFLAGS -O2 -g" \
|
|
] \
|
|
[list \
|
|
"Run pr23169b" \
|
|
"-pie -Wl,--no-as-needed tmpdir/libpr23169a.so" \
|
|
"" \
|
|
{ pr23169b.c pr23169c.c } \
|
|
"pr23169b" \
|
|
"pass.out" \
|
|
"-fPIE -O2 -g" \
|
|
] \
|
|
[list \
|
|
"Run pr23169c" \
|
|
"$NOPIE_LDFLAGS -Wl,--no-as-needed tmpdir/libpr23169a.so" \
|
|
"" \
|
|
{ pr23169b.c pr23169c.c } \
|
|
"pr23169c" \
|
|
"pass.out" \
|
|
"-fPIE -O2 -g" \
|
|
] \
|
|
[list \
|
|
"Run pr23169d" \
|
|
"$NOPIE_LDFLAGS -Wl,--no-as-needed,-z,now tmpdir/libpr23169b.so" \
|
|
"" \
|
|
{ pr23169b.c pr23169c.c } \
|
|
"pr23169d" \
|
|
"pass.out" \
|
|
"$NOPIE_CFLAGS -O2 -g" \
|
|
] \
|
|
[list \
|
|
"Run pr23169f" \
|
|
"$NOPIE_LDFLAGS -Wl,--no-as-needed,-z,now tmpdir/libpr23169b.so" \
|
|
"" \
|
|
{ pr23169b.c pr23169c.c } \
|
|
"pr23169f" \
|
|
"pass.out" \
|
|
"-fPIE -O2 -g" \
|
|
] \
|
|
]
|
|
if { $STATIC_PIE_LDFLAGS != "" } then {
|
|
run_ld_link_exec_tests [list \
|
|
[list \
|
|
"Run pr23169g" \
|
|
"$STATIC_PIE_LDFLAGS" \
|
|
"" \
|
|
{ pr23169a.c pr23169b.c pr23169c.c } \
|
|
"pr23169g" \
|
|
"pass.out" \
|
|
"-fPIE -O2 -g" \
|
|
] \
|
|
]
|
|
}
|
|
}
|
|
|
|
set ASFLAGS "$saved_ASFLAGS"
|