From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
	id AA8CC3858C78; Tue, 21 May 2024 16:00:06 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org AA8CC3858C78
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1716307206;
	bh=w2pvC2+qE6E1Bzj/MzyfBfDiHQ5PToHaNMHnilIPD48=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=n78J92v+NIZnWNGMUqx4kU/mR5TCLHf2aA2vgEnDqvHBdi5oZMOzGeia/rZodrwVJ
	 S/Q1MhJrfrCRmsKvw8p0DEgwLneJQjxsEPZ/Ac+RxSa1FHSMd3oF7w9O1OkxgH3wxs
	 1OkS3wUgQLcUYVS5JKagTH5qyfX//Hd/PiyYKmVc=
From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/115170] __cxa_atexit@plt even if -fno-plt
Date: Tue, 21 May 2024 16:00:06 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: middle-end
X-Bugzilla-Version: 15.0
X-Bugzilla-Keywords: 
X-Bugzilla-Severity: normal
X-Bugzilla-Who: pinskia at gcc dot gnu.org
X-Bugzilla-Status: RESOLVED
X-Bugzilla-Resolution: INVALID
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: bug_status resolution
Message-ID: <bug-115170-4-dn7aodXUB5@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-115170-4@http.gcc.gnu.org/bugzilla/>
References: <bug-115170-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
List-Id: <gcc-bugs.sourceware.org>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D115170

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REOPENED                    |RESOLVED
         Resolution|---                         |INVALID

--- Comment #7 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Cristian Rodr=C3=ADguez from comment #6)
> I found it in executable made with current GCC HEAD on x86_64..=20
>=20
> It is sufficient to demonstrate with the example code here
>=20
> https://en.cppreference.com/w/c/program/atexit
>=20
> ggcc-15 -march=3Dnative -Wall -Wextra -O2 -g -fPIE (or -fPIC) -fhardened
> -fno-plt example.c
>=20
>=20
> 1172:       call   1040 <__cxa_finalize@plt>
> 11fd:       jmp    1050 <__cxa_atexit@plt>

That is coming from already compiled code in crt*.o.
__cxa_finalize is from __do_global_dtors_aux in crtstuff.c from libgcc.

This is not from newly compiled code that you used -fno-plt with.=