diff options
| author | Bill Wendling <morbo@google.com> | 2020-11-18 14:39:10 -0800 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-11-26 22:05:43 +1100 |
| commit | 26ba9f9651d802ba38583138f43fea5dc7eb0fd6 (patch) | |
| tree | 52e1bb4ddf2dfd74f3742b96eb36f4a89898d0e2 /arch | |
| parent | a538d184e3f0e3b5f800c5ab148e83bb5cdd0133 (diff) | |
powerpc/boot/wrapper: Add "-z rodynamic" when using LLD
Normally all read-only sections precede SHF_WRITE sections. .dynamic
and .got have the SHF_WRITE flag; .dynamic probably because of
DT_DEBUG. LLD emits an error when this happens, so use "-z rodynamic"
to mark .dynamic as read-only.
Signed-off-by: Bill Wendling <morbo@google.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20201118223910.2711337-1-morbo@google.com
Diffstat (limited to 'arch')
| -rwxr-xr-x | arch/powerpc/boot/wrapper | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper index cd58a62e810d..e1194955adbb 100755 --- a/arch/powerpc/boot/wrapper +++ b/arch/powerpc/boot/wrapper @@ -46,6 +46,7 @@ compression=.gz uboot_comp=gzip pie= format= +rodynamic= # cross-compilation prefix CROSS= @@ -353,6 +354,7 @@ epapr) platformo="$object/pseries-head.o $object/epapr.o $object/epapr-wrapper.o" link_address='0x20000000' pie=-pie + rodynamic=$(if ${CROSS}ld -V 2>&1 | grep -q LLD ; then echo "-z rodynamic"; fi) ;; mvme5100) platformo="$object/fixed-head.o $object/mvme5100.o" @@ -493,7 +495,7 @@ if [ "$platform" != "miboot" ]; then text_start="-Ttext $link_address" fi #link everything - ${CROSS}ld -m $format -T $lds $text_start $pie $nodl -o "$ofile" $map \ + ${CROSS}ld -m $format -T $lds $text_start $pie $nodl $rodynamic -o "$ofile" $map \ $platformo $tmp $object/wrapper.a rm $tmp fi |