[deliverable/binutils-gdb.git] / ld / testsuite / ld-ifunc / ifunc.exp

# Expect script for linker support of IFUNC symbols and relocations.
#
#   Copyright (C) 2009-2018 Free Software Foundation, Inc.
#   Contributed by Red Hat.
#
# 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 Nick Clifton <nickc@redhat.com>


# IFUNC support has only been implemented for the ix86, x86_64, powerpc,
# aarch64, sparc, and S/390 so far.
if {!(([istarget "i?86-*-*"]
       || [istarget "x86_64-*-*"]
       || [istarget "powerpc*-*-*"]
       || [istarget "aarch64*-*-*"]
       || [istarget "sparc*-*-*"]
       || [istarget "s390*-*-*"])
      && ([istarget "*-*-elf*"]
	  || [istarget "*-*-nacl*"]
	  || [istarget "*-*-linux*"]
	  || [istarget "*-*-gnu*"])) } {
    verbose "IFUNC tests not run - target does not support IFUNC"
    return
}

# Skip targets where -shared is not supported

if ![check_shared_lib_support] {
    return
}

# This test does not need a compiler...
run_dump_test "ifuncmod5"

# We need a working compiler.  (Strictly speaking this is
# not true, we could use target specific assembler files).
if { [which $CC] == 0 } {
    verbose "IFUNC tests not run - no compiler available"
    return
}

# A procedure to check the OS/ABI field in the ELF header of a binary file.
proc check_osabi { binary_file expected_osabi } {
    global READELF
    global READELFFLAGS

    catch "exec $READELF $READELFFLAGS --file-header $binary_file > readelf.out" got

    if ![string match "" $got] then {
	verbose "proc check_osabi: Readelf produced unexpected out processing $binary_file: $got"
	return 0
    }

    if { ![regexp "\n\[ \]*OS/ABI:\[ \]*(.+)\n\[ \]*ABI" \
	   [file_contents readelf.out] nil osabi] } {
	verbose "proc check_osabi: Readelf failed to extract an ELF header from $binary_file"
	return 0
    }

    if { $osabi == $expected_osabi } {
	return 1
    }

    verbose "Expected OSABI: $expected_osabi, Obtained osabi: $osabi"

    return 0
}

# A procedure to confirm that a file contains the IFUNC symbol.
# Returns -1 upon error, 0 if the symbol was not found and 1 if it was found.
proc contains_ifunc_symbol { binary_file } {
    global READELF
    global READELFFLAGS

    catch "exec $READELF $READELFFLAGS --symbols $binary_file > readelf.out" got

    if ![string match "" $got] then {
	verbose "proc contains_ifunc_symbol: Readelf produced unexpected out processing $binary_file: $got"
	return -1
    }

    # Look for a line like this:
    #    58: 0000000000400600    30 IFUNC   GLOBAL DEFAULT   12 library_func2
    # with perhaps some other info between the visibility and section

    if { ![regexp ".*\[ \]*IFUNC\[ \]+GLOBAL\[ \]+DEFAULT .* \[UND0-9\]+\[ \]+library_func2\n" [file_contents readelf.out]] } {
	return 0
    }

    return 1
}

# A procedure to confirm that a file contains the R_*_IRELATIVE
# relocation.
# Returns -1 upon error, 0 if the relocation was not found and 1 if
# it was found.
proc contains_irelative_reloc { binary_file } {
    global READELF
    global READELFFLAGS

    catch "exec $READELF $READELFFLAGS --relocs --wide $binary_file > readelf.out" got

    if ![string match "" $got] then {
	verbose "proc contains_irelative_reloc: Readelf produced unexpected out processing $binary_file: $got"
	return -1
    }

    # Look for a line like this:
    #    0000000000600ab0  0000000000000025 R_X86_64_IRELATIVE      000000000040061c
    #    080496f4  0000002a R_386_IRELATIVE


    if { ![regexp "\[0-9a-f\]+\[ \]+\[0-9a-f\]+\[ \]+R_\[_0-9A-Z\]+_IREL(|ATIVE)\[ \]*\[0-9a-f\]*\n" [file_contents readelf.out]] } {
	return 0
    }

    return 1
}

# A procedure to confirm that a file contains a relocation that references an IFUNC symbol.
# Returns -1 upon error, 0 if the reloc was not found and 1 if it was found.
proc contains_ifunc_reloc { binary_file } {
    global READELF
    global READELFFLAGS

    catch "exec $READELF $READELFFLAGS --relocs $binary_file > readelf.out" got

    if ![string match "" $got] then {
	verbose "proc contains_ifunc_reloc: Readelf produced unexpected out processing $binary_file: $got"
	return -1
    }

    if [string match "" [file_contents readelf.out]] then {
	verbose "No relocs found in $binary_file"
	return 0
    }

    if { ![regexp "\\(\\)" [file_contents readelf.out]] } {
	return 0
    }

    return 1
}

set fails 0

# Create the object files, libraries and executables.
if ![ld_compile "$CC -c -fPIC" "$srcdir/$subdir/prog.c" "tmpdir/shared_prog.o"] {
    fail "Could not create a PIC object file"
    set fails [expr $fails + 1]
}
if ![ld_compile "$CC -c $NOPIE_CFLAGS" "$srcdir/$subdir/prog.c" "tmpdir/static_prog.o"] {
    fail "Could not create a non-PIC object file"
    set fails [expr $fails + 1]
}
if ![ld_compile "$CC -c -fPIC -DWITH_IFUNC" "$srcdir/$subdir/lib.c" "tmpdir/shared_ifunc.o"] {
    fail "Could not create a PIC object file containing an IFUNC symbol"
    set fails [expr $fails + 1]
}
if ![ld_compile "$CC -c $NOPIE_CFLAGS -DWITH_IFUNC" "$srcdir/$subdir/lib.c" "tmpdir/static_ifunc.o"] {
    fail "Could not create a non-PIC object file containing an IFUNC symbol"
    set fails [expr $fails + 1]
}
if ![ld_compile "$CC -c -DWITHOUT_IFUNC" "$srcdir/$subdir/lib.c" "tmpdir/static_noifunc.o"] {
    fail "Could not create an ordinary non-PIC object file"
    set fails [expr $fails + 1]
}
if ![ld_assemble $as "$srcdir/ld-elf/empty.s" "tmpdir/empty.o"] {
    fail "Could not create an empty object file"
    set fails [expr $fails + 1]
}
if ![ld_compile "$CC -c" "$srcdir/$subdir/test-1.c" "tmpdir/test-1.o"] {
    fail "Could not create test-1.o"
    set fails [expr $fails + 1]
}
if ![ld_compile "$CC -fPIC -c" "$srcdir/$subdir/test-2.c" "tmpdir/test-2.o"] {
    fail "Could not create test-2.o"
    set fails [expr $fails + 1]
}

if { $fails != 0 } {
    return
}

if ![ld_link $ld "tmpdir/libshared_ifunc.so" "-shared tmpdir/shared_ifunc.o"] {
    fail "Could not create a shared library containing an IFUNC symbol"
    set fails [expr $fails + 1]
}
if ![ar_simple_create $ar "" "tmpdir/libifunc.a" "tmpdir/static_ifunc.o"] {
    fail "Could not create a static library containing an IFUNC symbol"
    set fails [expr $fails + 1]
}

if { $fails != 0 } {
    return
}

if ![ld_link $CC "tmpdir/dynamic_prog" "-Wl,--no-as-needed,-rpath=./tmpdir,-Bdynamic -Ltmpdir tmpdir/shared_prog.o -lshared_ifunc"] {
    fail "Could not link a dynamic executable"
    set fails [expr $fails + 1]
}
if ![ld_link $CC "tmpdir/local_prog" "$NOPIE_LDFLAGS -Wl,--no-as-needed,-rpath=./tmpdir -Ltmpdir tmpdir/static_prog.o -lifunc"] {
    fail "Could not link a dynamic executable using local ifunc"
    set fails [expr $fails + 1]
}
if ![string match "" $STATIC_LDFLAGS] {
    if ![ld_link $CC "tmpdir/static_prog" "-static -Ltmpdir tmpdir/static_prog.o -lifunc"] {
	fail "Could not link a static executable"
	set fails [expr $fails + 1]
    }
    if ![ld_link $ld "tmpdir/static_nonifunc_prog" "-static tmpdir/empty.o"] {
	fail "Could not link a non-ifunc using static executable"
	set fails [expr $fails + 1]
    }
}
if ![ld_link $CC "tmpdir/test-1" "-Wl,--no-as-needed,-rpath=./tmpdir tmpdir/test-1.o tmpdir/libshared_ifunc.so"] {
    fail "Could not link test-1"
    set fails [expr $fails + 1]
}
if ![ld_link $ld "tmpdir/libtest-2.so" "-shared tmpdir/test-2.o"] {
    fail "Could not link libtest-2.so"
    set fails [expr $fails + 1]
}
if ![ld_link $ld "tmpdir/libtest-2-now.so" "-shared -z now tmpdir/test-2.o"] {
    fail "Could not link libtest-2-now.so"
    set fails [expr $fails + 1]
}

if { $fails == 0 } {
  pass "Building ifunc binaries"
  set fails 0
} else {
    return
}

# Check the executables and shared libraries
#
# The linked ifunc using executables and the shared library containing
# ifunc should have an OSABI field of GNU.  The linked non-ifunc using
# executable should have an OSABI field of NONE (aka System V).

case $target_triplet in {
    { hppa*-*-linux* } { set expected_none {UNIX - GNU} }
    default { set expected_none {UNIX - System V} }
}

if {! [check_osabi tmpdir/libshared_ifunc.so {UNIX - GNU}]} {
    fail "Shared libraries containing ifunc does not have an OS/ABI field of GNU"
    set fails [expr $fails + 1]
}
if {! [check_osabi tmpdir/local_prog {UNIX - GNU}]} {
    fail "Local ifunc-using executable does not have an OS/ABI field of GNU"
    set fails [expr $fails + 1]
}
if { ![string match "" $STATIC_LDFLAGS] \
     && ![check_osabi tmpdir/static_prog {UNIX - GNU}]} {
    fail "Static ifunc-using executable does not have an OS/ABI field of GNU"
    set fails [expr $fails + 1]
}
if {! [check_osabi tmpdir/dynamic_prog $expected_none]} {
    fail "Dynamic ifunc-using executable does not have an OS/ABI field of $expected_none"
    set fails [expr $fails + 1]
}
if {! [check_osabi tmpdir/static_nonifunc_prog $expected_none]} {
    fail "Static non-ifunc-using executable does not have an OS/ABI field of $expected_none"
    set fails [expr $fails + 1]
}

# The linked ifunc using executables and the shared library containing
# ifunc should contain an IFUNC symbol.  The non-ifunc using executable
# should not.

if {[contains_ifunc_symbol tmpdir/libshared_ifunc.so] != 1} {
    fail "Shared libraries containing ifunc does not contain an IFUNC symbol"
    set fails [expr $fails + 1]
}
if {[contains_ifunc_symbol tmpdir/local_prog] != 1} {
    fail "Local ifunc-using executable does not contain an IFUNC symbol"
    set fails [expr $fails + 1]
}
if { ![string match "" $STATIC_LDFLAGS] \
     && [contains_ifunc_symbol tmpdir/static_prog] != 1} {
    fail "Static ifunc-using executable does not contain an IFUNC symbol"
    set fails [expr $fails + 1]
}
if {[contains_ifunc_symbol tmpdir/dynamic_prog] != 0} {
    fail "Dynamic ifunc-using executable contains an IFUNC symbol"
    set fails [expr $fails + 1]
}
if {[contains_ifunc_symbol tmpdir/static_nonifunc_prog] != 0} {
    fail "Static non-ifunc-using executable contains an IFUNC symbol"
    set fails [expr $fails + 1]
}
if {[contains_ifunc_symbol tmpdir/test-1] != 0} {
    fail "test-1 contains IFUNC symbols"
    set fails [expr $fails + 1]
}
if {[contains_ifunc_symbol tmpdir/libtest-2.so] != 0} {
    fail "libtest-2.so contains IFUNC symbols"
    set fails [expr $fails + 1]
}
if {[contains_ifunc_symbol tmpdir/libtest-2-now.so] != 0} {
    fail "libtest-2-now.so contains IFUNC symbols"
    set fails [expr $fails + 1]
}

# The linked ifunc using executables and shared libraries should contain
# a dynamic reloc referencing the IFUNC symbol.  (Even the static
# executable which should have a dynamic section created for it).  The
# non-ifunc using executable should not.

if {[contains_irelative_reloc tmpdir/libshared_ifunc.so] != 1} {
    fail "ifunc-using shared library does not contain R_*_IRELATIVE relocation"
    set fails [expr $fails + 1]
}
if {[contains_irelative_reloc tmpdir/local_prog] != 1} {
    fail "Local ifunc-using executable does not contain R_*_IRELATIVE relocation"
    set fails [expr $fails + 1]
}
if { ![string match "" $STATIC_LDFLAGS] \
    && [contains_irelative_reloc tmpdir/static_prog] != 1} {
    fail "Static ifunc-using executable does not contain R_*_IRELATIVE relocation"
    set fails [expr $fails + 1]
}
if {[contains_ifunc_reloc tmpdir/dynamic_prog] != 0} {
    fail "Dynamic ifunc-using executable contains a reloc against an IFUNC symbol"
    set fails [expr $fails + 1]
}
if {[contains_ifunc_reloc tmpdir/static_nonifunc_prog] == 1} {
    fail "Static non-ifunc-using executable contains a reloc against an IFUNC symbol!"
    set fails [expr $fails + 1]
}

if { $fails == 0 } {
  pass "Checking ifunc binaries"
}

run_cc_link_tests [list \
    [list \
	"Build libpr16467a.so" \
	"-shared -Wl,--version-script=pr16467a.map" \
	"-fPIC" \
	{ pr16467a.c } \
	{} \
	"libpr16467a.so" \
    ] \
    [list \
	"Build libpr16467b.a" \
	"" \
	"-fPIC" \
	{ pr16467b.c } \
	{} \
	"libpr16467b.a" \
    ] \
    [list \
	"Build libpr16467b.so" \
	"-shared tmpdir/pr16467b.o tmpdir/libpr16467a.so \
	 -Wl,--version-script=pr16467b.map" \
	"-fPIC" \
	{ dummy.c } \
	{} \
	"libpr16467b.so" \
    ] \
    [list \
	"Build libpr16467c.a" \
	"" \
	"" \
	{ pr16467c.c } \
	{} \
	"libpr16467c.a" \
    ] \
    [list \
	"Build libpr16467an.so" \
	"-shared -Wl,-z,now -Wl,--version-script=pr16467a.map" \
	"-fPIC" \
	{ pr16467a.c } \
	{} \
	"libpr16467an.so" \
    ] \
    [list \
	"Build libpr16467bn.so" \
	"-shared tmpdir/pr16467b.o tmpdir/libpr16467an.so \
	 -Wl,--version-script=pr16467b.map" \
	"-fPIC" \
	{ dummy.c } \
	{} \
	"libpr16467bn.so" \
    ] \
]

run_ld_link_exec_tests [list \
    [list \
	"Common symbol override ifunc test 1a" \
	"-static" \
	"" \
	{ ifunc-common-1a.c ifunc-common-1b.c } \
	"ifunc-common-1a" \
	"ifunc-common-1.out" \
	"-g" \
    ] \
    [list \
	"Common symbol override ifunc test 1b" \
	"-static" \
	"" \
	{ ifunc-common-1b.c ifunc-common-1a.c } \
	"ifunc-common-1b" \
	"ifunc-common-1.out" \
	"-g" \
    ] \
]

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]
}

# Run-time tests which require working IFUNC support.
if { ![check_ifunc_available] } {
    return
}

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" \
	"" \
	"" \
	{ 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" \
    ] \
]

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" \
	"-Wl,--no-as-needed tmpdir/pr18841a.o tmpdir/libpr18841b.so" \
	"" \
	{ dummy.c } \
	"pr18841b" \
	"pr18841.out" \
    ] \
    [list \
	"Run pr18841 with libpr18841c.so" \
	"-Wl,--as-needed tmpdir/pr18841a.o tmpdir/libpr18841c.so" \
	"" \
	{ dummy.c } \
	"pr18841c" \
	"pr18841.out" \
    ] \
    [list \
	"Run pr18841 with libpr18841bn.so (-z now)" \
	"-Wl,-z,now -Wl,--no-as-needed tmpdir/pr18841a.o tmpdir/libpr18841bn.so" \
	"" \
	{ dummy.c } \
	"pr18841bn" \
	"pr18841.out" \
    ] \
    [list \
	"Run pr18841 with libpr18841cn.so (-z now)" \
	"-Wl,-z,now -Wl,--as-needed tmpdir/pr18841a.o tmpdir/libpr18841cn.so" \
	"" \
	{ dummy.c } \
	"pr18841cn" \
	"pr18841.out" \
    ] \
]
Commit	Line	Data
d8045f23 NC	1	# Expect script for linker support of IFUNC symbols and relocations.
d8045f23 NC	2	#
219d1afa	3	# Copyright (C) 2009-2018 Free Software Foundation, Inc.
d8045f23 NC	4	# Contributed by Red Hat.
	5	#
	6	# This file is part of the GNU Binutils.
	7	#
	8	# This program is free software; you can redistribute it and/or modify
	9	# it under the terms of the GNU General Public License as published by
	10	# the Free Software Foundation; either version 3 of the License, or
	11	# (at your option) any later version.
	12	#
	13	# This program is distributed in the hope that it will be useful,
	14	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	# GNU General Public License for more details.
	17	#
	18	# You should have received a copy of the GNU General Public License
	19	# along with this program; if not, write to the Free Software
	20	# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
	21	# MA 02110-1301, USA.
	22	#
	23	# Written by Nick Clifton <nickc@redhat.com>
	24
	25
d0c9aeb3	26	# IFUNC support has only been implemented for the ix86, x86_64, powerpc,
e44c481a	27	# aarch64, sparc, and S/390 so far.
e054468f AM	28	if {!(([istarget "i?86--"]
e054468f AM	29	\|\| [istarget "x86_64--"]
d0c9aeb3	30	\|\| [istarget "powerpc--*"]
1419bbe5	31	\|\| [istarget "aarch64--*"]
e44c481a AK	32	\|\| [istarget "sparc--*"]
e44c481a AK	33	\|\| [istarget "s390--*"])
e054468f	34	&& ([istarget "--elf*"]
5a68afcf	35	\|\| [istarget "--nacl*"]
c65c21e1 AM	36	\|\| [istarget "--linux*"]
c65c21e1 AM	37	\|\| [istarget "--gnu*"])) } {
d8045f23 NC	38	verbose "IFUNC tests not run - target does not support IFUNC"
	39	return
	40	}
	41
47523653 AM	42	# Skip targets where -shared is not supported
	43
	44	if ![check_shared_lib_support] {
	45	return
	46	}
	47
f657f8c4 NC	48	# This test does not need a compiler...
	49	run_dump_test "ifuncmod5"
	50
d8045f23 NC	51	# We need a working compiler. (Strictly speaking this is
	52	# not true, we could use target specific assembler files).
	53	if { [which $CC] == 0 } {
	54	verbose "IFUNC tests not run - no compiler available"
	55	return
	56	}
	57
	58	# A procedure to check the OS/ABI field in the ELF header of a binary file.
	59	proc check_osabi { binary_file expected_osabi } {
	60	global READELF
	61	global READELFFLAGS
	62
	63	catch "exec $READELF $READELFFLAGS --file-header $binary_file > readelf.out" got
	64
	65	if ![string match "" $got] then {
	66	verbose "proc check_osabi: Readelf produced unexpected out processing $binary_file: $got"
	67	return 0
	68	}
	69
	70	if { ![regexp "\n\[ \]OS/ABI:\[ \](.+)\n\[ \]*ABI" \
	71	[file_contents readelf.out] nil osabi] } {
	72	verbose "proc check_osabi: Readelf failed to extract an ELF header from $binary_file"
	73	return 0
	74	}
	75
	76	if { $osabi == $expected_osabi } {
	77	return 1
	78	}
	79
	80	verbose "Expected OSABI: $expected_osabi, Obtained osabi: $osabi"
5a68afcf	81
d8045f23 NC	82	return 0
	83	}
	84
	85	# A procedure to confirm that a file contains the IFUNC symbol.
	86	# Returns -1 upon error, 0 if the symbol was not found and 1 if it was found.
	87	proc contains_ifunc_symbol { binary_file } {
	88	global READELF
	89	global READELFFLAGS
	90
	91	catch "exec $READELF $READELFFLAGS --symbols $binary_file > readelf.out" got
	92
	93	if ![string match "" $got] then {
	94	verbose "proc contains_ifunc_symbol: Readelf produced unexpected out processing $binary_file: $got"
	95	return -1
	96	}
	97
	98	# Look for a line like this:
	99	# 58: 0000000000400600 30 IFUNC GLOBAL DEFAULT 12 library_func2
4115bfc6	100	# with perhaps some other info between the visibility and section
d8045f23	101
4115bfc6	102	if { ![regexp ".\[ \]IFUNC\[ \]+GLOBAL\[ \]+DEFAULT .* \[UND0-9\]+\[ \]+library_func2\n" [file_contents readelf.out]] } {
d8045f23 NC	103	return 0
	104	}
	105
	106	return 1
	107	}
	108
cbe950e9 L	109	# A procedure to confirm that a file contains the R_*_IRELATIVE
	110	# relocation.
	111	# Returns -1 upon error, 0 if the relocation was not found and 1 if
	112	# it was found.
	113	proc contains_irelative_reloc { binary_file } {
	114	global READELF
	115	global READELFFLAGS
	116
	117	catch "exec $READELF $READELFFLAGS --relocs --wide $binary_file > readelf.out" got
	118
	119	if ![string match "" $got] then {
	120	verbose "proc contains_irelative_reloc: Readelf produced unexpected out processing $binary_file: $got"
	121	return -1
	122	}
	123
	124	# Look for a line like this:
	125	# 0000000000600ab0 0000000000000025 R_X86_64_IRELATIVE 000000000040061c
	126	# 080496f4 0000002a R_386_IRELATIVE
	127
	128
425621e7	129	if { ![regexp "\[0-9a-f\]+\[ \]+\[0-9a-f\]+\[ \]+R_\[_0-9A-Z\]+_IREL(\|ATIVE)\[ \]\[0-9a-f\]\n" [file_contents readelf.out]] } {
cbe950e9 L	130	return 0
	131	}
	132
	133	return 1
	134	}
	135
d8045f23 NC	136	# A procedure to confirm that a file contains a relocation that references an IFUNC symbol.
	137	# Returns -1 upon error, 0 if the reloc was not found and 1 if it was found.
	138	proc contains_ifunc_reloc { binary_file } {
	139	global READELF
	140	global READELFFLAGS
	141
	142	catch "exec $READELF $READELFFLAGS --relocs $binary_file > readelf.out" got
	143
	144	if ![string match "" $got] then {
	145	verbose "proc contains_ifunc_reloc: Readelf produced unexpected out processing $binary_file: $got"
	146	return -1
	147	}
	148
	149	if [string match "" [file_contents readelf.out]] then {
	150	verbose "No relocs found in $binary_file"
	151	return 0
	152	}
	153
	154	if { ![regexp "\\(\\)" [file_contents readelf.out]] } {
	155	return 0
	156	}
	157
	158	return 1
	159	}
	160
	161	set fails 0
	162
	163	# Create the object files, libraries and executables.
be19bd51 L	164	if ![ld_compile "$CC -c -fPIC" "$srcdir/$subdir/prog.c" "tmpdir/shared_prog.o"] {
be19bd51 L	165	fail "Could not create a PIC object file"
d8045f23 NC	166	set fails [expr $fails + 1]
d8045f23 NC	167	}
640d0ed8	168	if ![ld_compile "$CC -c $NOPIE_CFLAGS" "$srcdir/$subdir/prog.c" "tmpdir/static_prog.o"] {
be19bd51	169	fail "Could not create a non-PIC object file"
d8045f23 NC	170	set fails [expr $fails + 1]
d8045f23 NC	171	}
be19bd51 L	172	if ![ld_compile "$CC -c -fPIC -DWITH_IFUNC" "$srcdir/$subdir/lib.c" "tmpdir/shared_ifunc.o"] {
be19bd51 L	173	fail "Could not create a PIC object file containing an IFUNC symbol"
d8045f23 NC	174	set fails [expr $fails + 1]
d8045f23 NC	175	}
640d0ed8	176	if ![ld_compile "$CC -c $NOPIE_CFLAGS -DWITH_IFUNC" "$srcdir/$subdir/lib.c" "tmpdir/static_ifunc.o"] {
be19bd51	177	fail "Could not create a non-PIC object file containing an IFUNC symbol"
d8045f23 NC	178	set fails [expr $fails + 1]
d8045f23 NC	179	}
be19bd51 L	180	if ![ld_compile "$CC -c -DWITHOUT_IFUNC" "$srcdir/$subdir/lib.c" "tmpdir/static_noifunc.o"] {
	181	fail "Could not create an ordinary non-PIC object file"
	182	set fails [expr $fails + 1]
	183	}
	184	if ![ld_assemble $as "$srcdir/ld-elf/empty.s" "tmpdir/empty.o"] {
	185	fail "Could not create an empty object file"
d8045f23 NC	186	set fails [expr $fails + 1]
d8045f23 NC	187	}
2955ec4c L	188	if ![ld_compile "$CC -c" "$srcdir/$subdir/test-1.c" "tmpdir/test-1.o"] {
	189	fail "Could not create test-1.o"
	190	set fails [expr $fails + 1]
	191	}
	192	if ![ld_compile "$CC -fPIC -c" "$srcdir/$subdir/test-2.c" "tmpdir/test-2.o"] {
	193	fail "Could not create test-2.o"
	194	set fails [expr $fails + 1]
	195	}
d8045f23 NC	196
	197	if { $fails != 0 } {
	198	return
	199	}
	200
d9816402	201	if ![ld_link $ld "tmpdir/libshared_ifunc.so" "-shared tmpdir/shared_ifunc.o"] {
d8045f23 NC	202	fail "Could not create a shared library containing an IFUNC symbol"
	203	set fails [expr $fails + 1]
	204	}
	205	if ![ar_simple_create $ar "" "tmpdir/libifunc.a" "tmpdir/static_ifunc.o"] {
	206	fail "Could not create a static library containing an IFUNC symbol"
	207	set fails [expr $fails + 1]
	208	}
	209
	210	if { $fails != 0 } {
	211	return
	212	}
	213
d9816402	214	if ![ld_link $CC "tmpdir/dynamic_prog" "-Wl,--no-as-needed,-rpath=./tmpdir,-Bdynamic -Ltmpdir tmpdir/shared_prog.o -lshared_ifunc"] {
d8045f23 NC	215	fail "Could not link a dynamic executable"
	216	set fails [expr $fails + 1]
	217	}
640d0ed8	218	if ![ld_link $CC "tmpdir/local_prog" "$NOPIE_LDFLAGS -Wl,--no-as-needed,-rpath=./tmpdir -Ltmpdir tmpdir/static_prog.o -lifunc"] {
e054468f AM	219	fail "Could not link a dynamic executable using local ifunc"
	220	set fails [expr $fails + 1]
	221	}
98d72909 L	222	if ![string match "" $STATIC_LDFLAGS] {
	223	if ![ld_link $CC "tmpdir/static_prog" "-static -Ltmpdir tmpdir/static_prog.o -lifunc"] {
	224	fail "Could not link a static executable"
	225	set fails [expr $fails + 1]
	226	}
	227	if ![ld_link $ld "tmpdir/static_nonifunc_prog" "-static tmpdir/empty.o"] {
	228	fail "Could not link a non-ifunc using static executable"
	229	set fails [expr $fails + 1]
	230	}
d8045f23	231	}
d9816402	232	if ![ld_link $CC "tmpdir/test-1" "-Wl,--no-as-needed,-rpath=./tmpdir tmpdir/test-1.o tmpdir/libshared_ifunc.so"] {
2955ec4c L	233	fail "Could not link test-1"
	234	set fails [expr $fails + 1]
	235	}
d9816402	236	if ![ld_link $ld "tmpdir/libtest-2.so" "-shared tmpdir/test-2.o"] {
2955ec4c L	237	fail "Could not link libtest-2.so"
	238	set fails [expr $fails + 1]
	239	}
e492d2f8 L	240	if ![ld_link $ld "tmpdir/libtest-2-now.so" "-shared -z now tmpdir/test-2.o"] {
	241	fail "Could not link libtest-2-now.so"
	242	set fails [expr $fails + 1]
	243	}
d8045f23 NC	244
	245	if { $fails == 0 } {
	246	pass "Building ifunc binaries"
	247	set fails 0
	248	} else {
	249	return
	250	}
	251
cbe950e9	252	# Check the executables and shared libraries
d8045f23	253	#
cbe950e9	254	# The linked ifunc using executables and the shared library containing
9c55345c	255	# ifunc should have an OSABI field of GNU. The linked non-ifunc using
cbe950e9	256	# executable should have an OSABI field of NONE (aka System V).
d8045f23	257
d9816402 AM	258	case $target_triplet in {
	259	{ hppa--linux* } { set expected_none {UNIX - GNU} }
	260	default { set expected_none {UNIX - System V} }
	261	}
	262
9c55345c TS	263	if {! [check_osabi tmpdir/libshared_ifunc.so {UNIX - GNU}]} {
9c55345c TS	264	fail "Shared libraries containing ifunc does not have an OS/ABI field of GNU"
cbe950e9 L	265	set fails [expr $fails + 1]
cbe950e9 L	266	}
9c55345c TS	267	if {! [check_osabi tmpdir/local_prog {UNIX - GNU}]} {
9c55345c TS	268	fail "Local ifunc-using executable does not have an OS/ABI field of GNU"
e054468f AM	269	set fails [expr $fails + 1]
e054468f AM	270	}
98d72909 L	271	if { ![string match "" $STATIC_LDFLAGS] \
98d72909 L	272	&& ![check_osabi tmpdir/static_prog {UNIX - GNU}]} {
9c55345c	273	fail "Static ifunc-using executable does not have an OS/ABI field of GNU"
d8045f23 NC	274	set fails [expr $fails + 1]
d8045f23 NC	275	}
d9816402 AM	276	if {! [check_osabi tmpdir/dynamic_prog $expected_none]} {
d9816402 AM	277	fail "Dynamic ifunc-using executable does not have an OS/ABI field of $expected_none"
d8045f23 NC	278	set fails [expr $fails + 1]
d8045f23 NC	279	}
d9816402 AM	280	if {! [check_osabi tmpdir/static_nonifunc_prog $expected_none]} {
d9816402 AM	281	fail "Static non-ifunc-using executable does not have an OS/ABI field of $expected_none"
be19bd51 L	282	set fails [expr $fails + 1]
be19bd51 L	283	}
d8045f23	284
cbe950e9 L	285	# The linked ifunc using executables and the shared library containing
	286	# ifunc should contain an IFUNC symbol. The non-ifunc using executable
	287	# should not.
d8045f23	288
cbe950e9 L	289	if {[contains_ifunc_symbol tmpdir/libshared_ifunc.so] != 1} {
	290	fail "Shared libraries containing ifunc does not contain an IFUNC symbol"
	291	set fails [expr $fails + 1]
	292	}
e054468f AM	293	if {[contains_ifunc_symbol tmpdir/local_prog] != 1} {
	294	fail "Local ifunc-using executable does not contain an IFUNC symbol"
	295	set fails [expr $fails + 1]
	296	}
98d72909 L	297	if { ![string match "" $STATIC_LDFLAGS] \
98d72909 L	298	&& [contains_ifunc_symbol tmpdir/static_prog] != 1} {
d8045f23 NC	299	fail "Static ifunc-using executable does not contain an IFUNC symbol"
	300	set fails [expr $fails + 1]
	301	}
2955ec4c L	302	if {[contains_ifunc_symbol tmpdir/dynamic_prog] != 0} {
2955ec4c L	303	fail "Dynamic ifunc-using executable contains an IFUNC symbol"
d8045f23 NC	304	set fails [expr $fails + 1]
	305	}
	306	if {[contains_ifunc_symbol tmpdir/static_nonifunc_prog] != 0} {
	307	fail "Static non-ifunc-using executable contains an IFUNC symbol"
	308	set fails [expr $fails + 1]
	309	}
2955ec4c L	310	if {[contains_ifunc_symbol tmpdir/test-1] != 0} {
	311	fail "test-1 contains IFUNC symbols"
	312	set fails [expr $fails + 1]
	313	}
	314	if {[contains_ifunc_symbol tmpdir/libtest-2.so] != 0} {
	315	fail "libtest-2.so contains IFUNC symbols"
	316	set fails [expr $fails + 1]
	317	}
e492d2f8 L	318	if {[contains_ifunc_symbol tmpdir/libtest-2-now.so] != 0} {
	319	fail "libtest-2-now.so contains IFUNC symbols"
	320	set fails [expr $fails + 1]
	321	}
d8045f23	322
cbe950e9 L	323	# The linked ifunc using executables and shared libraries should contain
	324	# a dynamic reloc referencing the IFUNC symbol. (Even the static
	325	# executable which should have a dynamic section created for it). The
	326	# non-ifunc using executable should not.
d8045f23	327
cbe950e9 L	328	if {[contains_irelative_reloc tmpdir/libshared_ifunc.so] != 1} {
	329	fail "ifunc-using shared library does not contain R_*_IRELATIVE relocation"
	330	set fails [expr $fails + 1]
	331	}
e054468f AM	332	if {[contains_irelative_reloc tmpdir/local_prog] != 1} {
	333	fail "Local ifunc-using executable does not contain R_*_IRELATIVE relocation"
	334	set fails [expr $fails + 1]
	335	}
98d72909 L	336	if { ![string match "" $STATIC_LDFLAGS] \
98d72909 L	337	&& [contains_irelative_reloc tmpdir/static_prog] != 1} {
cbe950e9	338	fail "Static ifunc-using executable does not contain R_*_IRELATIVE relocation"
d8045f23 NC	339	set fails [expr $fails + 1]
d8045f23 NC	340	}
2955ec4c L	341	if {[contains_ifunc_reloc tmpdir/dynamic_prog] != 0} {
2955ec4c L	342	fail "Dynamic ifunc-using executable contains a reloc against an IFUNC symbol"
d8045f23 NC	343	set fails [expr $fails + 1]
	344	}
	345	if {[contains_ifunc_reloc tmpdir/static_nonifunc_prog] == 1} {
	346	fail "Static non-ifunc-using executable contains a reloc against an IFUNC symbol!"
	347	set fails [expr $fails + 1]
	348	}
	349
	350	if { $fails == 0 } {
	351	pass "Checking ifunc binaries"
	352	}
	353
4584ec12 L	354	run_cc_link_tests [list \
	355	[list \
	356	"Build libpr16467a.so" \
	357	"-shared -Wl,--version-script=pr16467a.map" \
	358	"-fPIC" \
	359	{ pr16467a.c } \
	360	{} \
	361	"libpr16467a.so" \
	362	] \
	363	[list \
	364	"Build libpr16467b.a" \
	365	"" \
	366	"-fPIC" \
	367	{ pr16467b.c } \
	368	{} \
	369	"libpr16467b.a" \
	370	] \
	371	[list \
	372	"Build libpr16467b.so" \
	373	"-shared tmpdir/pr16467b.o tmpdir/libpr16467a.so \
	374	-Wl,--version-script=pr16467b.map" \
	375	"-fPIC" \
	376	{ dummy.c } \
	377	{} \
	378	"libpr16467b.so" \
	379	] \
	380	[list \
	381	"Build libpr16467c.a" \
	382	"" \
	383	"" \
	384	{ pr16467c.c } \
	385	{} \
	386	"libpr16467c.a" \
	387	] \
d6f48aed L	388	[list \
	389	"Build libpr16467an.so" \
	390	"-shared -Wl,-z,now -Wl,--version-script=pr16467a.map" \
	391	"-fPIC" \
	392	{ pr16467a.c } \
	393	{} \
	394	"libpr16467an.so" \
	395	] \
	396	[list \
	397	"Build libpr16467bn.so" \
	398	"-shared tmpdir/pr16467b.o tmpdir/libpr16467an.so \
	399	-Wl,--version-script=pr16467b.map" \
	400	"-fPIC" \
	401	{ dummy.c } \
	402	{} \
	403	"libpr16467bn.so" \
	404	] \
4584ec12 L	405	]
4584ec12 L	406
982c6f26	407	run_ld_link_exec_tests [list \
37a9e49a L	408	[list \
	409	"Common symbol override ifunc test 1a" \
	410	"-static" \
	411	"" \
	412	{ ifunc-common-1a.c ifunc-common-1b.c } \
	413	"ifunc-common-1a" \
	414	"ifunc-common-1.out" \
	415	"-g" \
	416	] \
	417	[list \
	418	"Common symbol override ifunc test 1b" \
	419	"-static" \
	420	"" \
	421	{ ifunc-common-1b.c ifunc-common-1a.c } \
	422	"ifunc-common-1b" \
	423	"ifunc-common-1.out" \
	424	"-g" \
	425	] \
c22ee0ad L	426	]
	427
	428	set test_list [lsort [glob -nocomplain $srcdir/$subdir/*.d]]
	429	foreach t $test_list {
	430	# We need to strip the ".d", but can leave the dirname.
	431	verbose [file rootname $t]
	432	run_dump_test [file rootname $t]
	433	}
	434
	435	# Run-time tests which require working IFUNC support.
	436	if { ![check_ifunc_available] } {
	437	return
	438	}
	439
5f7cbeec L	440	run_cc_link_tests [list \
	441	[list \
	442	"Build ifunc-lib.so" \
	443	"-shared" \
	444	"-fPIC" \
	445	{ ifunc-lib.c } \
	446	{} \
	447	"libifunc-lib.so" \
	448	] \
d6f48aed L	449	[list \
	450	"Build ifunc-libn.so" \
	451	"-shared -Wl,-z,now" \
	452	"-fPIC" \
	453	{ ifunc-lib.c } \
	454	{} \
	455	"libifunc-libn.so" \
	456	] \
5f7cbeec L	457	]
5f7cbeec L	458
982c6f26	459	run_ld_link_exec_tests [list \
4584ec12 L	460	[list \
4584ec12 L	461	"Run pr16467" \
d9816402	462	"-Wl,--no-as-needed tmpdir/pr16467c.o tmpdir/libpr16467b.so tmpdir/libpr16467a.so" \
4584ec12 L	463	"" \
	464	{ dummy.c } \
	465	"pr16467" \
	466	"pr16467.out" \
	467	"" \
	468	] \
d6f48aed L	469	[list \
	470	"Run pr16467 (-z now)" \
	471	"-Wl,-z,now -Wl,--no-as-needed tmpdir/pr16467c.o tmpdir/libpr16467bn.so tmpdir/libpr16467an.so" \
	472	"" \
	473	{ dummy.c } \
	474	"pr16467n" \
	475	"pr16467.out" \
	476	"" \
	477	] \
5f7cbeec L	478	[list \
5f7cbeec L	479	"Run ifunc-main" \
d9816402	480	"-Wl,--no-as-needed tmpdir/libifunc-lib.so" \
5f7cbeec L	481	"" \
	482	{ ifunc-main.c } \
	483	"ifunc-main" \
	484	"ifunc-main.out" \
	485	] \
	486	[list \
	487	"Run ifunc-main with -fpic" \
d9816402	488	"-Wl,--no-as-needed tmpdir/libifunc-lib.so" \
5f7cbeec L	489	"" \
	490	{ ifunc-main.c } \
	491	"ifunc-main" \
	492	"ifunc-main.out" \
	493	"-fpic" \
	494	] \
d6f48aed L	495	[list \
	496	"Run ifunc-main (-z now)" \
	497	"-Wl,-z,now -Wl,--no-as-needed tmpdir/libifunc-libn.so" \
	498	"" \
	499	{ ifunc-main.c } \
	500	"ifunc-mainn" \
	501	"ifunc-main.out" \
	502	] \
	503	[list \
	504	"Run ifunc-main with PIE (-z now)" \
	505	"-pie -Wl,-z,now -Wl,--no-as-needed tmpdir/libifunc-libn.so" \
	506	"" \
	507	{ ifunc-main.c } \
	508	"ifunc-mainpn" \
	509	"ifunc-main.out" \
	510	"-fpie" \
	511	] \
37a9e49a	512	]
97dc35c8 L	513
	514	# Run-time tests which require working ifunc attribute support.
	515	if { ![check_ifunc_attribute_available] } {
	516	return
	517	}
	518
	519	run_cc_link_tests [list \
205ac185 L	520	[list \
	521	"Build pr18808a.o" \
	522	"" \
	523	"" \
	524	{ pr18808a.c } \
	525	"" \
	526	"" \
	527	] \
97dc35c8 L	528	[list \
	529	"Build libpr18808.so" \
	530	"-shared" \
	531	"-fPIC -O2 -g" \
	532	{ pr18808b.c } \
	533	{} \
	534	"libpr18808.so" \
	535	] \
d6f48aed L	536	[list \
	537	"Build libpr18808n.so" \
	538	"-shared -Wl,-z,now" \
	539	"-fPIC -O2 -g" \
	540	{ pr18808b.c } \
	541	{} \
	542	"libpr18808n.so" \
	543	] \
205ac185 L	544	[list \
	545	"Build pr18841a.o" \
	546	"" \
	547	"" \
	548	{ pr18841a.c } \
	549	"" \
	550	"" \
	551	] \
cae1fbbb	552	[list \
4e1626f5	553	"Build libpr18841b.so" \
cae1fbbb L	554	"-shared" \
	555	"-fPIC -O0 -g" \
	556	{ pr18841b.c } \
	557	{} \
4e1626f5 L	558	"libpr18841b.so" \
	559	] \
	560	[list \
	561	"Build libpr18841c.so" \
	562	"-shared" \
	563	"-fPIC -O0 -g" \
	564	{ pr18841c.c } \
	565	{} \
	566	"libpr18841c.so" \
cae1fbbb	567	] \
d6f48aed L	568	[list \
	569	"Build libpr18841bn.so" \
	570	"-Wl,-z,now -shared" \
	571	"-fPIC -O0 -g" \
	572	{ pr18841b.c } \
	573	{} \
	574	"libpr18841bn.so" \
	575	] \
	576	[list \
	577	"Build libpr18841cn.so" \
	578	"-shared" \
	579	"-Wl,-z,now -fPIC -O0 -g" \
	580	{ pr18841c.c } \
	581	{} \
	582	"libpr18841cn.so" \
	583	] \
97dc35c8 L	584	]
97dc35c8 L	585
982c6f26	586	run_ld_link_exec_tests [list \
97dc35c8 L	587	[list \
97dc35c8 L	588	"Run pr18808" \
d9816402	589	"-Wl,--no-as-needed tmpdir/pr18808a.o tmpdir/libpr18808.so" \
97dc35c8	590	"" \
205ac185	591	{ dummy.c } \
97dc35c8 L	592	"pr18808" \
	593	"pr18808.out" \
	594	] \
d6f48aed L	595	[list \
	596	"Run pr18808 (-z now)" \
	597	"-Wl,-z,now -Wl,--no-as-needed tmpdir/pr18808a.o tmpdir/libpr18808n.so" \
	598	"" \
	599	{ dummy.c } \
	600	"pr18808n" \
	601	"pr18808.out" \
	602	] \
cae1fbbb	603	[list \
4e1626f5	604	"Run pr18841 with libpr18841b.so" \
d9816402	605	"-Wl,--no-as-needed tmpdir/pr18841a.o tmpdir/libpr18841b.so" \
4e1626f5	606	"" \
205ac185	607	{ dummy.c } \
4e1626f5 L	608	"pr18841b" \
	609	"pr18841.out" \
	610	] \
	611	[list \
	612	"Run pr18841 with libpr18841c.so" \
d9816402	613	"-Wl,--as-needed tmpdir/pr18841a.o tmpdir/libpr18841c.so" \
cae1fbbb	614	"" \
205ac185	615	{ dummy.c } \
4e1626f5	616	"pr18841c" \
cae1fbbb L	617	"pr18841.out" \
cae1fbbb L	618	] \
d6f48aed L	619	[list \
	620	"Run pr18841 with libpr18841bn.so (-z now)" \
	621	"-Wl,-z,now -Wl,--no-as-needed tmpdir/pr18841a.o tmpdir/libpr18841bn.so" \
	622	"" \
	623	{ dummy.c } \
	624	"pr18841bn" \
	625	"pr18841.out" \
	626	] \
	627	[list \
	628	"Run pr18841 with libpr18841cn.so (-z now)" \
	629	"-Wl,-z,now -Wl,--as-needed tmpdir/pr18841a.o tmpdir/libpr18841cn.so" \
	630	"" \
	631	{ dummy.c } \
	632	"pr18841cn" \
	633	"pr18841.out" \
	634	] \
97dc35c8	635	]