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SubjectRe: [PATCH 4/5] LoongArch: Stop using undocumented assembler options
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On 07/28/2022 12:29 AM, Xi Ruoyao wrote:
> Now we can handle GOT and GOT-based relocations properly, remove the
> undocumented `-Wa,-mla-{global,local}-with-{pcrel,abs}` assembler hacks.
>
> Adjust assembly code to explicitly use "la.pcrel" where necessary.
>
> Signed-off-by: Xi Ruoyao <xry111@xry111.site>
> ---
> arch/loongarch/Makefile | 5 +----
> arch/loongarch/kernel/head.S | 10 +++++-----
> 2 files changed, 6 insertions(+), 9 deletions(-)
>
> diff --git a/arch/loongarch/Makefile b/arch/loongarch/Makefile
> index 039dcc4fe1f3..9552c7880d34 100644
> --- a/arch/loongarch/Makefile
> +++ b/arch/loongarch/Makefile
> @@ -40,10 +40,7 @@ endif
>
> cflags-y += -G0 -pipe -msoft-float
> LDFLAGS_vmlinux += -G0 -static -n -nostdlib
> -KBUILD_AFLAGS_KERNEL += -Wa,-mla-global-with-pcrel
> -KBUILD_CFLAGS_KERNEL += -Wa,-mla-global-with-pcrel
> -KBUILD_AFLAGS_MODULE += -Wa,-mla-global-with-abs
> -KBUILD_CFLAGS_MODULE += -fplt -Wa,-mla-global-with-abs,-mla-local-with-abs
> +KBUILD_CFLAGS_MODULE += -fplt

The -fplt flag may be removed, the compiler defaults to -fplt if not
specified (riscv is also not manually specified as -fplt).

Thanks,
Youling

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