Re: [PATCH v4 2/5] LoongArch: Use la.pcrel instead of la.abs for exception handlers
From: Xi Ruoyao
Date: Thu Feb 16 2023 - 02:10:41 EST
On Thu, 2023-02-16 at 14:59 +0800, Jinyang He wrote:
> +.macro la.abs reg, sym
> +766:
> + nop
> + nop
> + nop
> + nop
In the "formal" version we can code
lu12i.w reg, 0
ori reg, reg, 0
lu32i.d reg, 0
lu52i.d reg, reg, 0
here. Then we only need to fixup the immediate slot so we can avoid
using parse_r.
> + .pushsection ".laabs", "aw", %progbits
> +768:
> + .word 768b-766b
> + parse_r regno, \reg
> + .word regno
> + .dword \sym
> + .popsection
> +.endm
--
Xi Ruoyao <xry111@xxxxxxxxxxx>
School of Aerospace Science and Technology, Xidian University