[PATCH] Makefile: apply dynamic relocations for LLD

[Alistair Delva]

From: Nick Desaulniers <ndesaulniers at google.com>

It seems that for aarch64, unless we apply dynamic relocations to the
location being relocated, we fail to boot.

As Fangrui notes:
  For dynamic relocations using the RELA format (readelf -Wr), GNU ld
  sets the initial content to r_addend; ld.lld doesn't do that by
  default (needs --apply-dynamic-relocs).

Otherwise .rodata appears to be full of NUL-bytes before relocation,
causing crashes when trying to invoke the function pointers in
init_sequence_f from initcall_run_list().

Link: https://reviews.llvm.org/D42797
Suggested-by: Fangrui Song <maskray at google.com>
Signed-off-by: Nick Desaulniers <ndesaulniers at google.com>
Signed-off-by: Alistair Delva <adelva at google.com>
Cc: Simon Glass <sjg at chromium.org>
Cc: Tom Rini <trini at konsulko.com>
Cc: Nick Desaulniers <ndesaulniers at google.com>
---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 010ace9d7c..af06b7aa19 100644
--- a/Makefile
+++ b/Makefile
@@ -1022,7 +1022,7 @@ LDFLAGS_u-boot += $(LDFLAGS_FINAL)
 LDFLAGS_u-boot += $(call ld-option, --no-dynamic-linker)
 
 # ld.lld support
-LDFLAGS_u-boot += -z notext
+LDFLAGS_u-boot += -z notext $(call ld-option,--apply-dynamic-relocs)
 
 LDFLAGS_u-boot += --build-id=none
 
-- 
2.30.2