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From: Alexandre Oliva <oliva@adacore.com>
To: Richard Biener <rguenther@suse.de>
Cc: Bernd Edlinger <bernd.edlinger@hotmail.de>,
	"gcc-patches\@gcc.gnu.org" <gcc-patches@gcc.gnu.org>,
	Jakub Jelinek <jakub@redhat.com>
Subject: Re: [PATCH] Add line debug info for virtual thunks (PR ipa/97937)
Date: Wed, 06 Jan 2021 04:01:53 -0300	[thread overview]
Message-ID: <or35ze4kgu.fsf@lxoliva.fsfla.org> (raw)
In-Reply-To: <nycvar.YFH.7.76.2101051322560.17979@zhemvz.fhfr.qr> (Richard Biener's message of "Tue, 5 Jan 2021 13:26:39 +0100 (CET)")

On Jan  5, 2021, Richard Biener <rguenther@suse.de> wrote:

> But isn't this a consumer issue then?  If there is no line info for
> a PC range then gdb shouldn't display any.

No, there *is* line info there, carried over from an earlier .loc
directive, as there isn't anything like ".noloc" to output with a
function that is not expected or supposed to have line number info.

Without that, the assembler just extends the previous .loc directive
onto the function.

-- 
Alexandre Oliva, happy hacker  https://FSFLA.org/blogs/lxo/
   Free Software Activist         GNU Toolchain Engineer
        Vim, Vi, Voltei pro Emacs -- GNUlius Caesar

  reply	other threads:[~2021-01-06  7:02 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-04 20:06 Bernd Edlinger
2021-01-04 21:45 ` Jeff Law
2021-01-06  7:52   ` Bernd Edlinger
2021-01-05 12:26 ` Richard Biener
2021-01-06  7:01   ` Alexandre Oliva [this message]
2021-01-06  7:36     ` Bernd Edlinger
2021-01-06  7:50       ` Richard Biener
2021-01-06 10:07         ` Jakub Jelinek
2021-01-07  7:27           ` Richard Biener
2021-01-05 13:09 ` Alexandre Oliva
2021-01-06 11:49 ` Eric Botcazou
2021-01-06 12:26   ` Bernd Edlinger

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