Commit e3d1d0a9 authored Dec 30, 2022 by Hongchen Zhang

LoongArch: fix vmlinux ld error

LoongArch inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I6BWFP



--------------------------------

When CONFIG_DEBUG_INFO_BTF is enabled, ld load error. To
fix this issue, we should use -mdirect-extern-access.

Signed-off-by: Xing Li <lixing@loongson.cn>
Signed-off-by: Hongchen Zhang <zhanghongchen@loongson.cn>
Change-Id: I698169b2af48369d531ef3aa4f9c53b97096da83

parent f3f1f3b9

arch/loongarch/Makefile

+1 −0

Original line number	Diff line number	Diff line
		@@ -54,6 +54,7 @@ LDFLAGS_vmlinux += -G0 -static -n -nostdlib
		# upgrade the compiler or downgrade the assembler.
		ifdef CONFIG_AS_HAS_EXPLICIT_RELOCS
		cflags-y += -mexplicit-relocs
		KBUILD_CFLAGS_KERNEL += -mdirect-extern-access
		else
		cflags-y += $(call cc-option,-mno-explicit-relocs)
		KBUILD_AFLAGS_KERNEL += -Wa,-mla-global-with-pcrel

drivers/firmware/efi/libstub/Makefile

+1 −1

Original line number	Diff line number	Diff line
		@@ -27,7 +27,7 @@ cflags-$(CONFIG_ARM) := $(subst $(CC_FLAGS_FTRACE),,$(KBUILD_CFLAGS)) \
		cflags-$(CONFIG_RISCV) := $(subst $(CC_FLAGS_FTRACE),,$(KBUILD_CFLAGS)) \
		-fpic
		cflags-$(CONFIG_LOONGARCH) := $(subst $(CC_FLAGS_FTRACE),,$(KBUILD_CFLAGS)) \
		-fpic
		-fpie

		cflags-$(CONFIG_EFI_GENERIC_STUB) += -I$(srctree)/scripts/dtc/libfdt