On Fri, Feb 24, 2023 at 7:58 AM Björn Töpel <bjorn@xxxxxxxxxx> wrote:
Alexandre Ghiti <alex@xxxxxxxx> writes:Off the top of my head, no idea.
+cc linux-kbuild, llvm, Nathan, Nick
On 2/15/23 15:36, Alexandre Ghiti wrote:
From: Alexandre Ghiti <alex@xxxxxxxx>I tried a lot of things, but I struggle to understand, does anyone have
any idea? FYI, the same problem happens with LLVM.
(Maybe as a follow up to this series, I wonder if pursuing
ARCH_HAS_RELR for ARCH=riscv is worthwhile?)
Don't ask me *why*, but adding --emit-relocs to your linker flags solvesThere was a patch just this week to use $(OBJCOPY) to strip these from
"the NULL .rela.dyn" both for GCC and LLVM.
The downside is that you end up with a bunch of .rela cruft in your
vmlinux.
vmlinux (for x86). Looks like x86 uses --emit-relocs for KASLR:
https://lore.kernel.org/lkml/20230320121006.4863-1-petr.pavlu@xxxxxxxx/