From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FROM,HTML_MESSAGE,MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.2 Received: (qmail 28767 invoked from network); 3 May 2020 17:07:28 -0000 Received-SPF: pass (minnie.tuhs.org: domain of minnie.tuhs.org designates 45.79.103.53 as permitted sender) receiver=inbox.vuxu.org; client-ip=45.79.103.53 envelope-from= Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 3 May 2020 17:07:28 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id A71589C961; Mon, 4 May 2020 03:07:26 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id D735B9B934; Mon, 4 May 2020 03:07:07 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="ahXqmY+s"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id 2DFD89B934; Mon, 4 May 2020 03:07:05 +1000 (AEST) Received: from mail-oi1-f171.google.com (mail-oi1-f171.google.com [209.85.167.171]) by minnie.tuhs.org (Postfix) with ESMTPS id B715694621 for ; Mon, 4 May 2020 03:07:04 +1000 (AEST) Received: by mail-oi1-f171.google.com with SMTP id x10so4598389oie.1 for ; Sun, 03 May 2020 10:07:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=LblVk5REfLqoVA3slNXDw8VguYOmRyW3q0ijt/mqv4s=; b=ahXqmY+sJTh1urPHIdFn/mMvVxawk0rA9jVupDTAT4uaHsDsnOc/sbRO9sufQQPQCt qgXUP04xArw89ulwiRZgd1e0cOfSbTt4k20S4cjveeeqwWsw+ywKkwBr2hK7Kw4AGye/ ARWWrUGe6L8ybZiSThR3c4ytDobuoqhTPuJBJOCo6nvwS5H2VDrWENSfhPDvU5QJFbN9 hqu/auRrpyKdr9oXJT4InYj7JtmaFokSsxmLyM/oUN9JNZgNoXa0vVHLVltvD7nSmeOn YjMPStLMzU9bdp2JggG6uegNOG6OgF10KcqpvYDzVGZbEx5ij0S79XOXaMl9QNvwlTB7 fvTA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=LblVk5REfLqoVA3slNXDw8VguYOmRyW3q0ijt/mqv4s=; b=ogeDwBH2mUiHzb637UkhiYn64FaO6d+KFGVl7qf7tlac9kt3gFXTd/snBoJGhXbxzh bRn3/Kst++j4IbccdiBIALjJWy/JZJs46gHk93XsYz9CxZ/MuzT0W256F89dFmk0Ow6a Rzg2KZFGkWN4sbSHoChMQoBEsczdLE6OSwyi2fiuRAAR/AibYBUBI2oKtuTOk+uGevRb yyZn9l9A6zGAmSPjTI1DTxzo4zKBHHzeFpOSXsOu7QAQN7gMcKOKeB/YJYchulp/VRCn iBQtqbSZrbQ3j03+wQnHAla9A2EAiPxD1u3j98vA1QB3+UIEjpddTpzJI+yNbaZ2Fbo2 ICGw== X-Gm-Message-State: AGi0PuabfXVceteUplf3Mg9E6+DW3F0jkTHWm3KT6VpNyJTpj/0rlWB/ X87BJr61JrkvBOVkfMVuddm7xt41zkYeE7ZbnhU= X-Google-Smtp-Source: APiQypIa31wx61JWqR1YYVcf1zW6q+wLADz2Ls2LxFpZh6w/VSlvVtfrEy+OIvzQS+SQtHuiwmBgrGGQ1w2dsB6Lz6U= X-Received: by 2002:aca:6508:: with SMTP id m8mr6428847oim.54.1588525624189; Sun, 03 May 2020 10:07:04 -0700 (PDT) MIME-Version: 1.0 References: <2F4C604D-F01C-4A82-948A-7E77093B48A1@planet.nl> <21F16C75-62AB-422A-A43F-981407E11434@planet.nl> In-Reply-To: From: Henry Bent Date: Sun, 3 May 2020 13:06:54 -0400 Message-ID: To: Clem Cole Content-Type: multipart/alternative; boundary="0000000000008be94505a4c171b6" Subject: Re: [TUHS] SDB debugger X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: The Unix Heritage Society mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: TUHS main list , Paul Ruizendaal Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" --0000000000008be94505a4c171b6 Content-Type: text/plain; charset="UTF-8" On Sun, 3 May 2020 at 12:53, Henry Bent wrote: > On Sun, 3 May 2020 at 12:14, Clem Cole wrote: > >> >> Paul W -- do you remember if DEC TLG did a version of dbx for Ultrix >> (Leslie might remember)? FWIW: I know that DEC had a number of different >> debugger projects so on the UNIX side over the years, and I really don't >> remember what was done for the VAX, as I was not there at the time. By >> MIPS/Alpha in the mid-late 90's there was a whole new debugger stream that >> had been developed at part of GEM, but there was another one that came from >> MIPs too which was based on dbx. >> > > Perhaps unsurprisingly, as Ultrix 1 was basically just 4.2BSD with some > tweaks/addons, dbx has been there since the beginning as /usr/ucb/dbx. The > binary in 1.1 has SCCS strings mostly dating it to '83 and the 2.0 source > tree has dates that are mostly December '84. > Ultrix-32m 1.0 also has dbx, with dates no later than August '83. These dates mostly correspond to the 4.2 source tree on TUHS ( https://minnie.tuhs.org/cgi-bin/utree.pl?file=4.2BSD/usr/src/ucb/dbx ) but not exactly - the 4.2 tree has a newer object.c, implying that DEC was getting early copies of 4.2. The later fixes in Ultrix 1.1 also imply that DEC was getting regular updates from UCB. -Henry --0000000000008be94505a4c171b6 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
On Sun, 3 May 2020 at 12:53, Henry Bent &= lt;henry.r.bent@gmail.com>= wrote:
O= n Sun, 3 May 2020 at 12:14, Clem Cole <clemc@ccc.com> wrote:
=
Paul W -- do you remember if DEC TLG did a version of dbx fo= r Ultrix (Leslie might remember)?=C2=A0 FWIW: I know that DEC had a number = of different debugger projects so on the UNIX side over the years, and I re= ally don't remember what was done for the VAX, as I was not there at th= e time.=C2=A0 By MIPS/Alpha in the mid-late 90's there was a whole new = debugger stream that had been developed at part of GEM,=C2=A0but there was = another one that came from MIPs too which was based on dbx.

Perhaps unsurprisingly, as Ultrix = 1 was basically just 4.2BSD with some tweaks/addons, dbx has been there sin= ce the beginning as /usr/ucb/dbx.=C2=A0 The binary in 1.1 has SCCS strings = mostly dating it to '83 and the 2.0 source tree has dates that are most= ly December '84.

Ultr= ix-32m 1.0 also has dbx, with dates no later than August '83.=C2=A0 The= se dates mostly correspond to the 4.2 source tree on TUHS ( https:/= /minnie.tuhs.org/cgi-bin/utree.pl?file=3D4.2BSD/usr/src/ucb/dbx ) but n= ot exactly - the 4.2 tree has a newer object.c, implying that DEC was getti= ng early copies of 4.2.=C2=A0 The later fixes in Ultrix 1.1 also imply that= DEC was getting regular updates from UCB.

-He= nry
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