linux-kernel - Re: [PATCH 1/8] LoongArch: Add CONFIG_CC_HAS_EXPLICIT

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Message-ID: <CAAhV-H4Gz5pGO0-bRWu_x5TZrOX77_uJjfEQPGo+Fgyk7irRdA@mail.gmail.com>
Date:   Mon, 29 Aug 2022 12:31:31 +0800
From:   Huacai Chen <chenhuacai@...nel.org>
To:     Xi Ruoyao <xry111@...111.site>
Cc:     loongarch@...ts.linux.dev, LKML <linux-kernel@...r.kernel.org>,
        WANG Xuerui <kernel@...0n.name>,
        Youling Tang <tangyouling@...ngson.cn>,
        Jinyang He <hejinyang@...ngson.cn>
Subject: Re: [PATCH 1/8] LoongArch: Add CONFIG_CC_HAS_EXPLICIT_RELOCS

On Mon, Aug 29, 2022 at 12:20 AM Xi Ruoyao <xry111@...111.site> wrote:
>
> On Sun, 2022-08-28 at 22:15 +0800, Huacai Chen wrote:
> > > +config CC_HAS_EXPLICIT_RELOCS
> > > +       def_bool $(cc-option,-mexplicit-relocs) && $(as-
> > > instr,x:pcalau12i \$t0$(comma)%pc_hi20(x))
> > Is it possible that we only change the Makefile and not touch Kconfig?
>
> I guess we can, but if we'll introduce objtool we can
>
>   select HAVE_OBJTOOL if CC_HAS_EXPLICIT_RELOCS
>
> then.
OK, you can keep your way.

Huacai
>
> --
> Xi Ruoyao <xry111@...111.site>
> School of Aerospace Science and Technology, Xidian University