From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 14601 invoked by alias); 23 Jun 2011 23:17:41 -0000 Received: (qmail 14586 invoked by uid 22791); 23 Jun 2011 23:17:40 -0000 X-SWARE-Spam-Status: No, hits=-2.7 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Thu, 23 Jun 2011 23:17:27 +0000 From: "hjl.tools at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/46770] Replace .ctors/.dtors with .init_array/.fini_array on targets supporting them X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: hjl.tools at gmail dot com X-Bugzilla-Status: ASSIGNED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: hjl.tools at gmail dot com X-Bugzilla-Target-Milestone: --- 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 Date: Thu, 23 Jun 2011 23:17:00 -0000 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: 2011-06/txt/msg02139.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46770 --- Comment #66 from H.J. Lu 2011-06-23 23:17:04 UTC --- (In reply to comment #65) > The mainline versions of both GNU ld and gold now put .ctors sections into > .init_array sections, and put .dtors sections into .fini_array sections. > .ctors/.dtors sections with priorities are sorted correctly with > .init_array/.fini_array sections with priorities. > > The gcc patch is still useful as it will permit eliminating the support for > constructors and destructors in crtbegin.o and crtend.o. If we can do that I > believe that crtend.o can be removed, and crtbegin.o will only be needed to > call > _Jv_RegisterClasses. [hjl@gnu-6 libgcc]$ readelf -s crtend.o Symbol table '.symtab' contains 11 entries: Num: Value Size Type Bind Vis Ndx Name 0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND 1: 0000000000000000 0 FILE LOCAL DEFAULT ABS crtstuff.c 2: 0000000000000000 0 SECTION LOCAL DEFAULT 1 3: 0000000000000000 0 SECTION LOCAL DEFAULT 2 4: 0000000000000000 0 SECTION LOCAL DEFAULT 3 5: 0000000000000000 0 SECTION LOCAL DEFAULT 4 6: 0000000000000000 0 OBJECT LOCAL DEFAULT 4 __FRAME_END__ 7: 0000000000000000 0 SECTION LOCAL DEFAULT 5 8: 0000000000000000 0 OBJECT LOCAL DEFAULT 5 __JCR_END__ 9: 0000000000000000 0 SECTION LOCAL DEFAULT 7 10: 0000000000000000 0 SECTION LOCAL DEFAULT 6 We need __FRAME_END__ for exception handling and __JCR_END__ for _Jv_RegisterClasses.