s390/vdso: Use symbolic constants for the PHDR permission flags

While at it explicitly specify GNU_EH_FRAME PHDR to be read-only.

Inspired by x86 commit 8717b02b8c ("x86/entry/vdso: Include
GNU_PROPERTY and GNU_STACK PHDRs").

Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Jens Remus <jremus@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Jens Remus 2026-07-13 16:42:31 +02:00 • committed by Vasily Gorbik
commit 6e17a45b3c