linux-kernel - Re: [PATCH v1 5/6] objtool: Add skipped member in struct reloc

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Message-ID: <20230803121103.GE214207@hirez.programming.kicks-ass.net>
Date:   Thu, 3 Aug 2023 14:11:03 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Tiezhu Yang <yangtiezhu@...ngson.cn>
Cc:     Josh Poimboeuf <jpoimboe@...nel.org>,
        Huacai Chen <chenhuacai@...nel.org>, loongarch@...ts.linux.dev,
        linux-kernel@...r.kernel.org, loongson-kernel@...ts.loongnix.cn
Subject: Re: [PATCH v1 5/6] objtool: Add skipped member in struct reloc

On Thu, Aug 03, 2023 at 07:36:24PM +0800, Tiezhu Yang wrote:

> > 			".long " __stringify_label(c) "b - .\n\t"          \

> I discussed offline with the engineers who are familiar with gnu
> assembler of LoongArch, maybe it can modify the gnu assembler
> to use R_LARCH_32_PCREL to replace a pair of R_LARCH_ADD32 and
> R_LARCH_SUB32, then I will test it again and drop this change if
> possible.

Yes, this is exactly what PC relative relocations are for.