From owner-freebsd-dtrace@FreeBSD.ORG Thu Jan 9 18:48:33 2014 Return-Path: Delivered-To: dtrace@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id D5C3486B for ; Thu, 9 Jan 2014 18:48:33 +0000 (UTC) Received: from nm31-vm6.bullet.mail.bf1.yahoo.com (nm31-vm6.bullet.mail.bf1.yahoo.com [72.30.239.14]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 4E0E3125D for ; Thu, 9 Jan 2014 18:48:33 +0000 (UTC) Received: from [98.139.212.149] by nm31.bullet.mail.bf1.yahoo.com with NNFMP; 09 Jan 2014 18:45:13 -0000 Received: from [98.139.211.199] by tm6.bullet.mail.bf1.yahoo.com with NNFMP; 09 Jan 2014 18:45:13 -0000 Received: from [127.0.0.1] by smtp208.mail.bf1.yahoo.com with NNFMP; 09 Jan 2014 18:45:13 -0000 X-Yahoo-Newman-Id: 86002.73460.bm@smtp208.mail.bf1.yahoo.com X-Yahoo-Newman-Property: ymail-3 X-YMail-OSG: z5jdTcsVM1kdhFzfaTRZwPLYvErCyWhh4yd_K.4Gef6Fugj wAF90d6b7tS.Td2TYU1N9EaLKWs76UNdgvbbjvIOvHHFyKyMOrejVmNCYjGA t33QUOlYMiKYyAN7BKK.pBGTJvkNEBoJ2MTvSgBqK5gUc0PWg7uepMVpkYd6 1wCK8HLAIuTFNDq6C7oJs7.tToPZHHntXZ1BLDY32CvCTXLV4xFoGa1MPEF2 F_9JGb_kIQWcYLUBqsyi3owNKJjGFsGSB2PPqC4GXxpp.EYTk2CINDMSBJQz FTxSN1.UgcCwdcHuq08bc7B3Yvwaz3nftrDJhe9OeApwMm2v0Cdd5k8ct2xJ AB_rBc8H4gJBdrhbiiiWIB7_dOsUAVN_5e1cTb86pkNGY6WTkYVxiizZSrVY rVUqsRupzPuDRfj0vCA8h53yD8OroJArhq60HJvGHIdDoqF0.s8_KEcWNK6m GKhAe9hIGUd7zDwmDoy4Y0UoH3ECDAZeA5z_yTyg.Fz.._7kHFpNDdKaZYbA zBQQzzaKDhju3HlqgCWrVYvRrNtOqrN3AGwOWbjYJNOXpmna3J1vacrre471 qDOpfUwaib8v.ehaNYq.Hsbaz.42lenuN3CcMfD1nQGcqEwpzICsCi8NzJBo fQDeQV8U2geMgJDOBZVIR68oxvwvH_JsrUZEA8LyFM1Pbi4ailP_A5Xk2IsC J X-Yahoo-SMTP: xcjD0guswBAZaPPIbxpWwLcp9Unf X-Rocket-Received: from [192.168.0.102] (pfg@190.157.126.109 with plain [98.139.211.125]) by smtp208.mail.bf1.yahoo.com with SMTP; 09 Jan 2014 10:45:12 -0800 PST Message-ID: <52CEEE3B.7010400@FreeBSD.org> Date: Thu, 09 Jan 2014 13:45:15 -0500 From: Pedro Giffuni Organization: FreeBSD User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: dtrace@freebsd.org Subject: CTF vs dwarf4 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-dtrace@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: "A discussion list for developers working on DTrace in FreeBSD." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 09 Jan 2014 18:48:33 -0000 Hello; Just thought I'd point out, for those not following toolchain@, that there are issues with newer compilers using dwarf4 by default[1]. It looks like instead of waiting for the elftoolchain project to catch up with the dwarf standard we could be using dwarf support from LLVM instead though [2]. Apparently the linux dtrace port is having similar issues. Another task for the Dtrace TODO list I guess, but perhaps the Illumos guys following the list may have some input. Regards, Pedro. [1] http://docs.freebsd.org/cgi/mid.cgi?29C2D69E-9EC8-418D-A333-FC1A8DA2133B [2] http://docs.freebsd.org/cgi/mid.cgi?CAPyFy2Bnpha=+49E+rL0Rd=TKtgOybGQAtOWE8m5sPCNiT5_Pw