From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 11655 invoked by alias); 20 Feb 2013 05:54:15 -0000 Received: (qmail 11244 invoked by uid 48); 20 Feb 2013 05:53:56 -0000 From: "demiurg_spb at freemail dot ru" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/56263] [avr] Provide strict address-space checking Date: Wed, 20 Feb 2013 05:54:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Keywords: diagnostic X-Bugzilla-Severity: enhancement X-Bugzilla-Who: demiurg_spb at freemail dot ru X-Bugzilla-Status: SUSPENDED X-Bugzilla-Priority: P5 X-Bugzilla-Assigned-To: gjl at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.8.0 X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2013-02/txt/msg02023.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56263 --- Comment #5 from demiurg_spb at freemail dot ru 2013-02-20 05:53:53 UTC --- (In reply to comment #4) > (In reply to comment #3) > > (In reply to comment #2) > > > > It's a shortcoming in the Embedded C paper and I agree with you that more > elaborate Embedded C paper would be more convenient here. > > There are two ways out of this: > > 1) Extend the Embedded C paper and propose an addendum to the ISO WG14. > > 2) Implement this extension no matter whether Embedded C comes with this > extension. Find someone who implements this extension, supports it and makes > sure there are no conflicts with the vanilla Embedded C. > > Notice that with the extension, in the following example "init" would be > located in flash but "assign" would still be located in RAM. > > void f_init (void) > { > const __flash char *str = "init"; > } > > void f_assign (void) > { > const __flash char *str; > str = "assign"; > } In my view, in this situation, the data must be placed in a flash ... Standard really needs serious improvement. It's logical, when the right-hand and left-hand side of each other have the appropriate type. Moreover, for the implementation of this simple idea is not objective difficulties.