diff mbox series

[RFC,11/17] efi: libstub: Ignore relocations for .discard sections

Message ID 20210120173800.1660730-12-jthierry@redhat.com
State New
Headers show
Series objtool: add base support for arm64 | expand

Commit Message

Julien Thierry Jan. 20, 2021, 5:37 p.m. UTC 
EFI stub cannot have absolute relocations in sections affecting the
execution flow. However, for sections that get discarded at link time,
it doesn't really matter if they have absolute relocations.

Ignore the relocation associated with such sections.

Signed-off-by: Julien Thierry <jthierry@redhat.com>
---
 drivers/firmware/efi/libstub/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/firmware/efi/libstub/Makefile b/drivers/firmware/efi/libstub/Makefile
index 8a94388e38b3..70e9c7f45d30 100644
--- a/drivers/firmware/efi/libstub/Makefile
+++ b/drivers/firmware/efi/libstub/Makefile
@@ -133,7 +133,7 @@  $(obj)/%.stub.o: $(obj)/%.o FORCE
 #
 quiet_cmd_stubcopy = STUBCPY $@
       cmd_stubcopy =							\
-	$(STRIP) --strip-debug -o $@ $<;				\
+	$(STRIP) --strip-debug --remove-relocations=".discard.*" -o $@ $<;		\
 	if $(OBJDUMP) -r $@ | grep $(STUBCOPY_RELOC-y); then		\
 		echo "$@: absolute symbol references not allowed in the EFI stub" >&2; \
 		/bin/false;						\