From owner-freebsd-hackers@freebsd.org Fri Nov 22 20:42:41 2019 Return-Path: Delivered-To: freebsd-hackers@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 7FD401C11F1 for ; Fri, 22 Nov 2019 20:42:41 +0000 (UTC) (envelope-from cse.cem@gmail.com) Received: from mail-oi1-f195.google.com (mail-oi1-f195.google.com [209.85.167.195]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 47KSzh204Zz4Dt2; Fri, 22 Nov 2019 20:42:40 +0000 (UTC) (envelope-from cse.cem@gmail.com) Received: by mail-oi1-f195.google.com with SMTP id j7so7725117oib.3; Fri, 22 Nov 2019 12:42:40 -0800 (PST) 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:reply-to :from:date:message-id:subject:to:cc; bh=hZbMQW6MIbYK6fTq0DIf68EBsdaeu3MDsawo3VB6NRs=; b=T9lSkrc6BQu5zjkSpICjMj0xqh76ywTlQVuXpSzJQa556tgKFxyUDwOZ6N+/ZUKXcR qxVAiDhffwGLu1HoCQBzncVXULiUYELbDg/HtX0aAhbMTy6Ymq9Zy5OEiGU6rcRcibxa f5sDTxvjtaxqU2mWRZ8K14eb0hCxqxIbeDMcmV30vbIsLayRc7OPEkRE6L3Nt/X+AhFP eooSq3cpZegNO0P2gfcbA9A5yXBGbPwCBpSt/at7SshlRHs3UazlwCOvYlmZ4zM5icMO m1g/BRDjFvIX7NemwnBGLENEbMgx24xy03qAhR1UQ/1B84v4sfmL+nPPP5S8yt7ess9Q L0aA== X-Gm-Message-State: APjAAAUqzuPf0oG95Vax2cvpQz7rtub3CeyvoDrqp8Fi4YMXr2bXs/Zz m+QScfzSstq6lrdwd+x3qZdt4qA2 X-Google-Smtp-Source: APXvYqy5B549FgogWEb7jU0zS9yztGvu1gVTYMjYcfozuC8UFf3wbnJD8CxVNi2LHP5uOrAiaSGxNg== X-Received: by 2002:aca:f141:: with SMTP id p62mr13623087oih.3.1574455358872; Fri, 22 Nov 2019 12:42:38 -0800 (PST) Received: from mail-ot1-f50.google.com (mail-ot1-f50.google.com. [209.85.210.50]) by smtp.gmail.com with ESMTPSA id o2sm2415562oih.19.2019.11.22.12.42.38 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 22 Nov 2019 12:42:38 -0800 (PST) Received: by mail-ot1-f50.google.com with SMTP id z25so7339724oti.5; Fri, 22 Nov 2019 12:42:38 -0800 (PST) X-Received: by 2002:a9d:3f07:: with SMTP id m7mr11624836otc.219.1574455358363; Fri, 22 Nov 2019 12:42:38 -0800 (PST) MIME-Version: 1.0 References: <7679128e-d565-0132-2fe2-cc1083abfa8d@gmail.com> In-Reply-To: <7679128e-d565-0132-2fe2-cc1083abfa8d@gmail.com> Reply-To: cem@freebsd.org From: Conrad Meyer Date: Fri, 22 Nov 2019 12:42:27 -0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: Linking Linux library to FreeBSD program. To: Theron Cc: Gleb Popov , freebsd-hackers Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 47KSzh204Zz4Dt2 X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of csecem@gmail.com designates 209.85.167.195 as permitted sender) smtp.mailfrom=csecem@gmail.com X-Spamd-Result: default: False [-3.04 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; HAS_REPLYTO(0.00)[cem@freebsd.org]; R_SPF_ALLOW(-0.20)[+ip4:209.85.128.0/17]; REPLYTO_ADDR_EQ_FROM(0.00)[]; RCVD_COUNT_THREE(0.00)[4]; TO_DN_ALL(0.00)[]; FREEMAIL_TO(0.00)[gmail.com]; FORGED_SENDER(0.30)[cem@freebsd.org,csecem@gmail.com]; MIME_TRACE(0.00)[0:+]; R_DKIM_NA(0.00)[]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:209.85.128.0/17, country:US]; TAGGED_FROM(0.00)[]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; FROM_NEQ_ENVFROM(0.00)[cem@freebsd.org,csecem@gmail.com]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; TAGGED_RCPT(0.00)[]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[freebsd.org]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[195.167.85.209.list.dnswl.org : 127.0.5.0]; IP_SCORE(-1.04)[ipnet: 209.85.128.0/17(-3.17), asn: 15169(-1.96), country: US(-0.05)]; RWL_MAILSPIKE_POSSIBLE(0.00)[195.167.85.209.rep.mailspike.net : 127.0.0.17]; RCVD_TLS_ALL(0.00)[] X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 22 Nov 2019 20:42:41 -0000 On Fri, Nov 22, 2019 at 5:35 AM Theron wrote: > > On 2019-11-22 02:36, Gleb Popov wrote: > > What course of action could be taken in this situation? My plan is to > > generate a native wrapper library for libcudart.so in which every exported > > function would call Linux binary linked to real libcudart.so and route > > function arguments via RPC or some other mechanism. This looks awful for > > sure, but I don't see any other solutions. > > https://github.com/shkhln/nvshim appears to allow using Nvidia Linux > binary by FreeBSD executable, but for Vulkan. Does that look like it > could be extended to support CUDA? That looks really promising. I was going to suggest looking at https://github.com/taviso/loadlibrary for rough inspiration, but nvshim looks a lot closer (and is specifically aimed at Nvidia userspace Linux libraries already). Best, Conrad