Date: Fri, 2 Jun 2000 16:08:57 +1000 (EST) From: Bruce Evans <bde@zeta.org.au> To: "G.B.Naidu" <gbnaidu@sasi.com> Cc: freebsd-hackers@FreeBSD.ORG, freebsd-net@FreeBSD.ORG Subject: Re: DDB is not setting break points... Message-ID: <Pine.BSF.4.21.0006021603001.287-100000@besplex.bde.org> In-Reply-To: <Pine.LNX.4.21.0006011046320.761-100000@pcd75.sasi.com>
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On Thu, 1 Jun 2000, G.B.Naidu wrote: > I am having problems with DDB while setting breakpoints in the kernel. I > entered the DDB by giving kernel -d at boot prompt. After that I tried to > set break point at ip_output() by giving "b ip_output". But it complains > saying that "sumbol not found". I thought this might be due to stripped Early setting of breakpoints by name was broken by the switch to elf in FreeBSD-3.0 (symbols aren't available until the kernel module sysinit runs much later). I think it works for aout kernels in 3.x but not in 4.0 or -current. Use gdb or set breakpoints early by value in broken versions. Bruce To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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