linux-kernel - Re: [PATCH 2/2] recordmcount: Handle sections with no non-weak symbols

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Message-ID: <20220502195251.5d862365@rorschach.local.home>
Date:   Mon, 2 May 2022 19:52:51 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Christophe Leroy <christophe.leroy@...roup.eu>
Cc:     "Naveen N. Rao" <naveen.n.rao@...ux.vnet.ibm.com>,
        "llvm@...ts.linux.dev" <llvm@...ts.linux.dev>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Nathan Chancellor <nathan@...nel.org>,
        "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>
Subject: Re: [PATCH 2/2] recordmcount: Handle sections with no non-weak
 symbols

On Mon, 2 May 2022 14:44:56 +0000
Christophe Leroy <christophe.leroy@...roup.eu> wrote:

> If we do that after the linking, won't it be a nightmare with the 
> trampolines installed by the linker when the destination is over the 24 
> bits limit ?

Not sure what you mean. The locations I'm talking about is the full
address saved in the __mcount_loc table (data section).

-- Steve