Date: 23 Oct 2001 17:12:10 +0200 From: Dag-Erling Smorgrav <des@ofug.org> To: Bruce Evans <bde@zeta.org.au> Cc: <arch@FreeBSD.ORG> Subject: Re: Debugging interfaces Message-ID: <xzp8ze22xx1.fsf@flood.ping.uio.no> In-Reply-To: <20011023235726.M63643-100000@delplex.bde.org> References: <20011023235726.M63643-100000@delplex.bde.org>
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Bruce Evans <bde@zeta.org.au> writes: > On 23 Oct 2001, Dag-Erling Smorgrav wrote: > > We currently have three distinct debugging interfaces in the system: > > ktrace(2), ptrace(2) and procfs(5). I think you'll all agree that > > that's two too many. I propose to remove at least one of them. > Well, one too many. It might be worth separating gdb-type debugging > from program-tracing type debugging. Gdb uses ptrace() and works just fine without procfs. I'm not exactly sure *how* it works though. > Don't forget strace (in ports). It's like truss but is much more > complete. It seems to use mainly the pioctl interface :-). Someone > once said that (Linux-only at the time) strace only needed a couple > of minor extensions to ptrace for it to be ported to FreeBSD. Thanks. I'll look at strace and see what needs to be done to keep it working. DES -- Dag-Erling Smorgrav - des@ofug.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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