On Fri, May 21, 2021 at 06:26:24PM -0700, Nick Desaulniers wrote: > GDB produces the following warning when debugging kernels built with > CONFIG_RELR: > > BFD: /android0/linux-next/vmlinux: unknown type [0x13] section `.relr.dyn' > > when loading a kernel built with CONFIG_RELR into GDB. It can also > prevent debugging symbols using such relocations. > > Peter sugguests: > [That flag] means that lld will use dynamic tags and section type > numbers in the OS-specific range rather than the generic range. The > kernel itself doesn't care about these numbers; it determines the > location of the RELR section using symbols defined by a linker script. > > Link: https://github.com/ClangBuiltLinux/linux/issues/1057 > Suggested-by: Peter Collingbourne <pcc@xxxxxxxxxx> > Reviewed-by: Nathan Chancellor <nathan@xxxxxxxxxx> > Signed-off-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx> > --- > Changes V1 -> V2: > * rebase > * pick up Nathan's reviewed by tag. > > Makefile | 2 +- > scripts/tools-support-relr.sh | 3 ++- > 2 files changed, 3 insertions(+), 2 deletions(-) Does lld support RELR relocations for any architectures other than arm64? If so, is the "--use-android-relr-tags" option supported on all of those as well? Will
