Date: Sat, 29 Aug 2009 11:25:57 +0200 From: Roman Divacky <rdivacky@freebsd.org> To: Doug Rabson <dfr@rabson.org> Cc: FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: New BSD licensed debugger Message-ID: <20090829092557.GA475@freebsd.org> In-Reply-To: <8819E53E-9F96-43E2-B7F5-F5393F5AE126@rabson.org> References: <8819E53E-9F96-43E2-B7F5-F5393F5AE126@rabson.org>
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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 ;) fwiw there's also http://wiki.freebsd.org/TheBsdDebugger
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