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identity=mailfrom; envelope-from="arnold@skeeve.com"; helo=freefriends.org; client-ip=96.88.95.60 Received: from freefriends.org (freefriends.org [96.88.95.60]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by tb-mx0.topicbox.com (Postfix) with ESMTPS for <9fans@9fans.net>; Wed, 27 Oct 2021 10:45:34 -0400 (EDT) (envelope-from arnold@skeeve.com) X-Envelope-From: arnold@skeeve.com X-Envelope-To: <9fans@9fans.net> Received: from freefriends.org (freefriends.org [96.88.95.60]) by freefriends.org (8.14.7/8.14.7) with ESMTP id 19REjWDP004234 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for <9fans@9fans.net>; Wed, 27 Oct 2021 08:45:33 -0600 Received: (from arnold@localhost) by freefriends.org (8.14.7/8.14.7/Submit) id 19REjWU8004233 for 9fans@9fans.net; Wed, 27 Oct 2021 08:45:32 -0600 From: arnold@skeeve.com Message-Id: <202110271445.19REjWU8004233@freefriends.org> X-Authentication-Warning: frenzy.freefriends.org: arnold set sender to arnold@skeeve.com using -f Date: Wed, 27 Oct 2021 08:45:32 -0600 To: 9fans@9fans.net Subject: Re: [9fans] v9fs vs mmap (not quite SOLVED) References: In-Reply-To: User-Agent: Heirloom mailx 12.5 7/5/10 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Topicbox-Policy-Reasoning: allow: sender is a member Topicbox-Message-UUID: 8e053146-3734-11ec-ad85-89d6109be00c Archived-At: =?UTF-8?B?PGh0dHBzOi8vOWZhbnMudG9waWNib3guY29tL2dyb3Vwcy85?= =?UTF-8?B?ZmFucy9UYjA2NWY0ZGY2N2E4YmFiOS1NMTQ5Nzg5ZWM3NTUzZDQyZTFmYmE0?= =?UTF-8?B?ZWZmPg==?= List-Help: List-Id: "9fans" <9fans.9fans.net> List-Post: List-Software: Topicbox v0 List-Subscribe: Precedence: list Reply-To: 9fans <9fans@9fans.net> List-Unsubscribe: , Topicbox-Delivery-ID: 2:9fans:437d30aa-c441-11e9-8a57-d036212d11b0:522be890-2105-11eb-b15e-8d699134e1fa:M149789ec7553d42e1fba4eff:1:FEfEJGYokPxhFSMsN6jdgE1aJIfStoNHeWEj3_lqMdY Richard Miller <9fans@hamnavoe.com> wrote: > >> 1. Some of the fpga tools are closed-source so I can't check with > >> confidence that they will never try to use mmap. > >=20 > > Um, nm(1) on the binary to see what it calls? > > If you were distributing closed-source proprietary tools, would you leave > the symbol tables intact to assist reverse engineering? Of course not. But even stripped binaries have some symbols in them, especially for functions that are in the shared libc library on Linux. If the binaries are totally statically linked and stripped, then yes, you're out of luck. Try it. If I'm wrong, then I'm wrong. It won't be the first time. :-) Arnold ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/Tb065f4df67a8bab9-M14978= 9ec7553d42e1fba4eff Delivery options: https://9fans.topicbox.com/groups/9fans/subscription