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Subject: Re: [PATCH v2 8/8] LoongArch: Add ORC unwinder support
To:     Jinyang He <hejinyang@loongson.cn>,
        Huacai Chen <chenhuacai@kernel.org>
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Cc:     Josh Poimboeuf <jpoimboe@kernel.org>,
        Peter Zijlstra <peterz@infradead.org>,
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From:   Tiezhu Yang <yangtiezhu@loongson.cn>
Message-ID: <555f22ca-3199-d459-856d-c0e470005b92@loongson.cn>
Date:   Tue, 17 Oct 2023 20:39:28 +0800
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On 10/15/2023 08:57 PM, Jinyang He wrote:
> On 2023-10-14 19:37, Huacai Chen wrote:

...

>
> Hi, Tiezhu,
>
> We can think the jirl with link register is a call instruction.
> loongarch_suspend_enter:
>     jirl   a0, t0, 0 /* Call BIOS's STR sleep routine */
> Its link register is a0, (not ra), we also think it is a call
> instruction. The func is also stack banlaced. So the func can be a
> regular function.

Yes, thank you, I will modify jirl decoder to handle this special case
in hibernate_asm.o.

Thanks,
Tiezhu