Messages in this thread Patch in this message | | | From | Jiaxun Yang <> | Subject | [PATCH v2] MIPS: Truncate load-y into 32bit for 32bit kernel | Date | Tue, 7 Apr 2020 16:06:11 +0800 |
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LLD failed to link vmlinux with 64bit load address for 32bit ELF while bfd will strip 64bit address into 32bit silently. To fix LLD build, we should truncate load address provided by platform into 32bit for 32bit kernel.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Reviewed-by: Fangrui Song <maskray@google.com> Tested-by: Nathan Chancellor <natechancellor@gmail.com>
-- V2: Take MaskRay's shell magic. --- arch/mips/Makefile | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/arch/mips/Makefile b/arch/mips/Makefile index e1c44aed8156..f8fd3c39fb55 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -286,6 +286,9 @@ ifdef CONFIG_64BIT $(error CONFIG_CPU_DADDI_WORKAROUNDS unsupported without -msym32) endif endif +else + # Truncate address into 32-bit + load-y := 0x$(shell echo "$(load-y)" | rev | head -c 8 | rev) endif KBUILD_AFLAGS += $(cflags-y) -- 2.26.0.rc2
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