This is a follow on from commit
0d362be5b142 ("Makefile: link with -z noexecstack --no-warn-rwx-segments")for arch/powerpc/boot to address wanrings like: ld: warning: opal-calls.o: missing .note.GNU-stack section implies executable stack ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker ld: warning: arch/powerpc/boot/zImage.epapr has a LOAD segment with RWX permissions This fixes issue https://github.com/linuxppc/issues/issues/417 Signed-off-by: Stephen Rothwell <s...@canb.auug.org.au> --- arch/powerpc/boot/wrapper | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) I have only done a positive test on this i.e. I have binutils v2.39 installed. diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper index 55978f32fa77..d78c34bd5d41 100755 --- a/arch/powerpc/boot/wrapper +++ b/arch/powerpc/boot/wrapper @@ -215,6 +215,11 @@ ld_version() }' } +ld_is_lld() +{ + ${CROSS}ld -V 2>&1 | grep -q LLD +} + # Do not include PT_INTERP segment when linking pie. Non-pie linking # just ignores this option. LD_VERSION=$(${CROSS}ld --version | ld_version) @@ -223,6 +228,14 @@ if [ "$LD_VERSION" -ge "$LD_NO_DL_MIN_VERSION" ] ; then nodl="--no-dynamic-linker" fi +# suppress some warnings in recent ld versions +nowarn="-z noexecstack" +if ! ld_is_lld; then + if [ "$LD_VERSION" -ge "$(echo 2.39 | ld_version)" ]; then + nowarn="$nowarn --no-warn-rwx-segments" + fi +fi + platformo=$object/"$platform".o lds=$object/zImage.lds ext=strip @@ -504,7 +517,7 @@ if [ "$platform" != "miboot" ]; then text_start="-Ttext $link_address" fi #link everything - ${CROSS}ld -m $format -T $lds $text_start $pie $nodl $rodynamic $notext -o "$ofile" $map \ + ${CROSS}ld -m $format -T $lds $text_start $pie $nodl $nowarn $rodynamic $notext -o "$ofile" $map \ $platformo $tmp $object/wrapper.a rm $tmp fi -- 2.35.1 -- Cheers, Stephen Rothwell
pgpDNVnp5eMOD.pgp
Description: OpenPGP digital signature
