From owner-freebsd-current@FreeBSD.ORG Sat Aug 29 10:33:22 2009 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 2BA98106566B for ; Sat, 29 Aug 2009 10:33:22 +0000 (UTC) (envelope-from dfr@rabson.org) Received: from itchy.rabson.org (router.rabson.org [80.177.232.241]) by mx1.freebsd.org (Postfix) with ESMTP id DAD6C8FC0C for ; Sat, 29 Aug 2009 10:33:21 +0000 (UTC) Received: from [IPv6:2001:470:909f:1:225:ff:feed:9426] (unknown [IPv6:2001:470:909f:1:225:ff:feed:9426]) by itchy.rabson.org (Postfix) with ESMTP id D91585DF6; Sat, 29 Aug 2009 11:32:50 +0100 (BST) Message-Id: From: Doug Rabson To: Roman Divacky In-Reply-To: <20090829092557.GA475@freebsd.org> Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (Apple Message framework v935.3) Date: Sat, 29 Aug 2009 11:32:50 +0100 References: <8819E53E-9F96-43E2-B7F5-F5393F5AE126@rabson.org> <20090829092557.GA475@freebsd.org> X-Mailer: Apple Mail (2.935.3) Cc: FreeBSD Current Subject: Re: New BSD licensed debugger X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 29 Aug 2009 10:33:22 -0000 On 29 Aug 2009, at 10:25, Roman Divacky wrote: > On Fri, Aug 28, 2009 at 08:23:34PM +0100, Doug Rabson wrote: >> As one or two of you know, I've been working recently on writing a >> new >> debugger, primarily for the FreeBSD platform. For various reasons, >> I've been writing it in a relatively obscure C-like language called D >> (see http://www.digitalmars.com/d/1.0/index.html for more details >> including a free download of a FreeBSD D compiler. >> >> So far, I have a pretty useful (if a little raw at the edges) command >> line debugger which supports ELF, Dwarf debugging information and >> (currently) 32 bit FreeBSD and Linux. The engine includes parsing and >> evaluation of arbitrary C expressions along with the usual debugging >> tools such as breakpoints, source code listing, single-step etc. All >> the code is new and BSD licensed. Currently, the thing supports >> userland debugging of i386 targets via ptrace and post-mortem core >> file debugging of same. I'll be adding amd64 support real soon (TM) >> and maybe support for GDB's remote debugging protocol later. > > nice :) > >> If anyone is interested in taking a look at a 'Technology Preview', >> I've put up a git repository at http://people.freebsd.org/~dfr/ >> ngdb.git. To build it you need to install 'omake' from /usr/ports/ >> devel/omake and you will need a D compiler. There are three options >> there - DMD which you can download from >> http://www.digitalmars.com/d/download.html is free, closed source and >> works pretty well. GDC is a D front end to GCC and you can find it >> in >> ports - it works well enough but hasn't been updated for ages. >> Personally, >> I use LDC which is a D front end to LLVM but that doesn't build >> out-of-the >> box (I have a private hacked version of LDC and some associated >> libraries). > > cool to see more LLVM usage in freebsd ;) LLVM is cool. GCC generates better debugging information though :) > > fwiw there's also http://wiki.freebsd.org/TheBsdDebugger I'm aware of it - not sure how active that project is. The web page hasn't changed in ages.