Andreas Schwab schwab@suse.de
Mon Jul 25 08:08:30 GMT 2022

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On Jul 25 2022, liuzhensong wrote:

> diff --git a/bfd/elfnn-loongarch.c b/bfd/elfnn-loongarch.c
> index 4efe3d9370c..43182ead8cd 100644
> --- a/bfd/elfnn-loongarch.c
> +++ b/bfd/elfnn-loongarch.c
> @@ -132,6 +132,7 @@ struct loongarch_elf_link_hash_table
>  
>  #define elf_backend_want_dynrelro 1
>  #define elf_backend_rela_normal 1
> +#define elf_backend_default_execstack 0

AFAICS, the loongarch kernel defaults to executable stack:

arch/loongarch/include/asm/elf.h:#define elf_read_implies_exec(ex, exec_stk) (exec_stk == EXSTACK_DEFAULT)

Which means this change is wrong.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."

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