Message ID | 20230731065904.5869-3-akihiko.odaki@daynix.com |
---|---|
State | New |
Headers | show |
Series | Accompany -nostdlib with -fno-stack-protector | expand |
Akihiko Odaki <akihiko.odaki@daynix.com> wrote: > A build of GCC 13.2 will have stack protector enabled by default if it > was configured with --enable-default-ssp option. For such a compiler, > it is necessary to explicitly disable stack protector when linking > without standard libraries. > > Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com> Reviewed-by: Juan Quintela <quintela@redhat.com> For whatever is related to migration. My liker options skills are (very) rusty, so I will let others decided if this is the correct way to do it O:-)
On 31/07/2023 08.58, Akihiko Odaki wrote: > A build of GCC 13.2 will have stack protector enabled by default if it > was configured with --enable-default-ssp option. For such a compiler, > it is necessary to explicitly disable stack protector when linking > without standard libraries. > > Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com> > --- > tests/migration/s390x/Makefile | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/tests/migration/s390x/Makefile b/tests/migration/s390x/Makefile > index 6393c3e5b9..6671de2efc 100644 > --- a/tests/migration/s390x/Makefile > +++ b/tests/migration/s390x/Makefile > @@ -6,8 +6,8 @@ all: a-b-bios.h > fwdir=../../../pc-bios/s390-ccw > > CFLAGS+=-ffreestanding -fno-delete-null-pointer-checks -fPIE -Os \ > - -msoft-float -march=z900 -fno-asynchronous-unwind-tables -Wl,-pie \ > - -Wl,--build-id=none -nostdlib > + -msoft-float -march=z900 -fno-asynchronous-unwind-tables \ > + -fno-stack-protector -Wl,-pie -Wl,--build-id=none -nostdlib > > a-b-bios.h: s390x.elf > echo "$$__note" > header.tmp Reviewed-by: Thomas Huth <thuth@redhat.com>
On 31/7/23 08:58, Akihiko Odaki wrote: > A build of GCC 13.2 will have stack protector enabled by default if it > was configured with --enable-default-ssp option. For such a compiler, > it is necessary to explicitly disable stack protector when linking > without standard libraries. > > Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com> > --- > tests/migration/s390x/Makefile | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) Queuing this single patch via misc-fixes.
diff --git a/tests/migration/s390x/Makefile b/tests/migration/s390x/Makefile index 6393c3e5b9..6671de2efc 100644 --- a/tests/migration/s390x/Makefile +++ b/tests/migration/s390x/Makefile @@ -6,8 +6,8 @@ all: a-b-bios.h fwdir=../../../pc-bios/s390-ccw CFLAGS+=-ffreestanding -fno-delete-null-pointer-checks -fPIE -Os \ - -msoft-float -march=z900 -fno-asynchronous-unwind-tables -Wl,-pie \ - -Wl,--build-id=none -nostdlib + -msoft-float -march=z900 -fno-asynchronous-unwind-tables \ + -fno-stack-protector -Wl,-pie -Wl,--build-id=none -nostdlib a-b-bios.h: s390x.elf echo "$$__note" > header.tmp
A build of GCC 13.2 will have stack protector enabled by default if it was configured with --enable-default-ssp option. For such a compiler, it is necessary to explicitly disable stack protector when linking without standard libraries. Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com> --- tests/migration/s390x/Makefile | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)