From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 21818 invoked by alias); 18 Nov 2013 16:52:09 -0000 Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org Received: (qmail 21796 invoked by uid 89); 18 Nov 2013 16:52:08 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=0.4 required=5.0 tests=AWL,BAYES_40,RDNS_NONE autolearn=no version=3.3.2 X-Spam-User: qpsmtpd, 2 recipients X-HELO: relay1.mentorg.com Received: from Unknown (HELO relay1.mentorg.com) (192.94.38.131) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Mon, 18 Nov 2013 16:52:07 +0000 Received: from svr-orw-fem-01.mgc.mentorg.com ([147.34.98.93]) by relay1.mentorg.com with esmtp id 1ViS3D-00005d-S6 from Maciej_Rozycki@mentor.com ; Mon, 18 Nov 2013 08:51:51 -0800 Received: from SVR-IES-FEM-01.mgc.mentorg.com ([137.202.0.104]) by svr-orw-fem-01.mgc.mentorg.com over TLS secured channel with Microsoft SMTPSVC(6.0.3790.4675); Mon, 18 Nov 2013 08:51:51 -0800 Received: from [172.30.64.165] (137.202.0.76) by SVR-IES-FEM-01.mgc.mentorg.com (137.202.0.104) with Microsoft SMTP Server id 14.2.247.3; Mon, 18 Nov 2013 16:51:49 +0000 Date: Mon, 18 Nov 2013 16:58:00 -0000 From: "Maciej W. Rozycki" To: Joel Brobecker CC: Tristan Gingold , Richard Sandiford , , Subject: Re: Release 2.24 In-Reply-To: Message-ID: References: <2741C968-721F-46E9-A2BA-E4B0F64C444B@adacore.com> <20130918213245.GO3132@adacore.com> User-Agent: Alpine 1.10 (DEB 962 2008-03-14) MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" X-SW-Source: 2013-11/txt/msg00474.txt.bz2 On Wed, 18 Sep 2013, Maciej W. Rozycki wrote: > > > On the MIPS target we've switched PLT formats produced by LD for MIPS16 > > > and microMIPS binaries and for correct frame unwinding GDB has to > > > understand them. Otherwise it'll fail in odd ways, e.g. when stepping > > > over a function called via PLT. Of course all code required is there in > > > our shared repository, it's just a matter of making the releases in the > > > right order so that ordinary developers have a version of GDB to upgrade > > > to available if needed. > > > > Can you patch gdb-7.6 to understand the new format as well as > > the old one with a patch that could be deemed safe? Perhaps it would > > make sense to make a 7.6.2 release just for MIPS. > > That sounds like a plan, thanks, and should be doable with a reasonable > effort -- the changes really needed by GDB are the addition of > _bfd_mips_elf_get_synthetic_symtab to bfd/elfxx-mips.c, its wiring in > bfd/elf32-mips.c, and then small self-contained pieces in opcodes/ and of > course gdb/. I'll have a look at it and let you know when I'm ready with > a backport. I see 2.24 is about to roll out, so I'll try to find some time this week to make the necessary adjustments for a matching GDB 7.6.2 maintenance release -- assuming as per your recent statement, that making 7.7 can take a while yet. Maciej