linux-kernel - Re: [PATCH 7/7] DWARF: add the config option

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Message-ID: <CAMe9rOpHtXtcaPza8e2eU-aoeLfqhErV_23rPpM86YGnOWud4A@mail.gmail.com>
Date:   Sat, 20 May 2017 13:01:32 -0700
From:   "H.J. Lu" <hjl.tools@...il.com>
To:     Josh Poimboeuf <jpoimboe@...hat.com>
Cc:     Andy Lutomirski <luto@...nel.org>,
        "H. Peter Anvin" <hpa@...or.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Jiri Slaby <jslaby@...e.cz>,
        Andrew Morton <akpm@...ux-foundation.org>,
        live-patching@...r.kernel.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "the arch/x86 maintainers" <x86@...nel.org>,
        Jiri Kosina <jikos@...nel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH 7/7] DWARF: add the config option

On Sat, May 20, 2017 at 9:20 AM, Josh Poimboeuf <jpoimboe@...hat.com> wrote:

>>
>> (H.J., could we get a binutils feature that allows is to do:
>>
>> pushq %whatever
>> .cfi_adjust_sp -8
>> ...
>> popq %whatever
>> .cfi_adjust_sp 8
>>

Np.  Compiler needs to generate this.

-- 
H.J.