2024-01-13 06:35:01

by Max Filippov

[permalink] [raw]
Subject: [PATCH] xtensa: don't produce FDPIC output with fdpic toolchain

The kernel doesn't use features of the FDPIC toolchain, disable FDPIC
code generation when using such toolchain and select ordinary ELF linker
emulation.

Signed-off-by: Max Filippov <[email protected]>
---
arch/xtensa/Makefile | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/xtensa/Makefile b/arch/xtensa/Makefile
index bfd8e433ed62..4c14a02179eb 100644
--- a/arch/xtensa/Makefile
+++ b/arch/xtensa/Makefile
@@ -35,15 +35,19 @@ KBUILD_CFLAGS += -ffreestanding -D__linux__
KBUILD_CFLAGS += -pipe -mlongcalls -mtext-section-literals
KBUILD_CFLAGS += $(call cc-option,-mforce-no-pic,)
KBUILD_CFLAGS += $(call cc-option,-mno-serialize-volatile,)
+KBUILD_CFLAGS += $(call cc-option,-mno-fdpic,)
ifneq ($(CONFIG_KERNEL_ABI_CALL0),)
KBUILD_CFLAGS += -mabi=call0
KBUILD_AFLAGS += -mabi=call0
endif

KBUILD_AFLAGS += -mlongcalls -mtext-section-literals
+KBUILD_AFLAGS += $(call cc-option,-mno-fdpic,)
+
+KBUILD_LDFLAGS += -m elf32xtensa

ifneq ($(CONFIG_LD_NO_RELAX),)
-KBUILD_LDFLAGS := --no-relax
+KBUILD_LDFLAGS += --no-relax
endif

CHECKFLAGS += -D$(if $(CONFIG_CPU_BIG_ENDIAN),__XTENSA_EB__,__XTENSA_EL__)
--
2.39.2