From owner-svn-src-all@freebsd.org Wed Apr 20 20:23:24 2016 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 6A041B16B2D for ; Wed, 20 Apr 2016 20:23:24 +0000 (UTC) (envelope-from wma@semihalf.com) Received: from mail-ig0-x236.google.com (mail-ig0-x236.google.com [IPv6:2607:f8b0:4001:c05::236]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 34F261F39 for ; Wed, 20 Apr 2016 20:23:24 +0000 (UTC) (envelope-from wma@semihalf.com) Received: by mail-ig0-x236.google.com with SMTP id g8so61120447igr.0 for ; Wed, 20 Apr 2016 13:23:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=semihalf-com.20150623.gappssmtp.com; s=20150623; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=orfUqQmoktrLWOxrwUh1MScRCsJbSQowZWGSRPnkTrA=; b=1fEAgX7VMeoETkauRSHKRu0mzatEFT/eKiB5FCBmpd5XlwVan4+G0WdRMUI+8DhaBN 0MQhJ5OOShddTe8kCPPqdgPqbsgCL2rTxl0icB5THfXMN2d4mooOAzvNqrU0ZtcE6np9 7YqomtNShSHj68KuQpL5feceMtjR9oaAkUAOQ//vXLIrT9uBVV9B9ZmtVmH4s4XqGB2K sZTZdmk9ZQ2ig7xQpjJwCPWDTwW/kFkRodosuWqTvPEr6TVcsRaiNVRG40I1pmF5mMdB pVZZhQY//Ww8j0O24feP1lrMWM5d2iv6BnGe43oOWxMcMGP47DmKaqBj9B+0xkPCaVR3 2fKw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=orfUqQmoktrLWOxrwUh1MScRCsJbSQowZWGSRPnkTrA=; b=da955SmlZFRvUUicYeGqXu/BvLMrL3skHn3mq/5XkeMi2LbIEb341Kn24NqCo2lN/B rpmW1zIIryUCOwcge+VZ3Pv2/9/Hf8lYUMptlxnPSFo4uj6Yy9EG943BlgvzZRtOUR+E 4giASlZTSCsSaJjxhSGLdv3wiv6ia3Qb8a/95/7hmIk0QYPDGRniTMehFD7GUKtAPyO4 Hh4ouUsvmSZt+fdqnrl4ACfgFXWOtA1x4a+jgdVWLLvr3fY4mAYod4og6RUZRTmN3JRk 7pi2q3Ch+fnQPOBGqi1s3sDhKQx0be0pGDyG1xBvCMlGNqa1ur/MlNTAUEKDOASmzrfp x7Lg== X-Gm-Message-State: AOPr4FUOes9vtHvSO7BcB5iZP6tJGGk9I9p9SBL1hQnF5pfP6Bsn9gd+enYQFsLwFJNouSqtyL/dJertupjbOA== X-Received: by 10.50.221.67 with SMTP id qc3mr6214915igc.77.1461183803642; Wed, 20 Apr 2016 13:23:23 -0700 (PDT) MIME-Version: 1.0 Received: by 10.79.133.134 with HTTP; Wed, 20 Apr 2016 13:23:04 -0700 (PDT) In-Reply-To: <19FE0F58-8B36-427F-9517-8C14765B9F8B@gmail.com> References: <201604201758.u3KHwDNq028372@repo.freebsd.org> <19FE0F58-8B36-427F-9517-8C14765B9F8B@gmail.com> From: Wojciech Macek Date: Wed, 20 Apr 2016 13:23:04 -0700 Message-ID: Subject: Re: svn commit: r298358 - in head: contrib/gdb/gdb gnu/usr.bin/gdb/kgdb To: "Ngie Cooper (yaneurabeya)" Cc: Wojciech Macek , src-committers , svn-src-all@freebsd.org, svn-src-head@freebsd.org Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.21 X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 20 Apr 2016 20:23:24 -0000 Fixed. 2016-04-20 13:09 GMT-07:00 Ngie Cooper (yaneurabeya) : > > > On Apr 20, 2016, at 10:58, Wojciech Macek wrote: > > > > Author: wma > > Date: Wed Apr 20 17:58:13 2016 > > New Revision: 298358 > > URL: https://svnweb.freebsd.org/changeset/base/298358 > > > > Log: > > Fix KGDB backtrace on ARM > > > > Modify trapframe decoding to properly analyze trapframe. > > > > Provide method for fixup_pc. It happens, that in some kernel > > functions, the GDB stack frame decoder cannot determine both > > func name and frame size. This is because these functions > > either contain invalid instruction, or their format does > > not match standard schema. Detect that scenarios and move > > PC accordingly to jump into known function schema, which > > GDB is able to parse. > > > > Obtained from: Semihalf > > Sponsored by: Juniper Networks > > Reviewed by: kib, zbb > > Differential Revision: https://reviews.freebsd.org/D5976 > > This broke the build on i386: > https://jenkins.freebsd.org/job/FreeBSD_HEAD_i386/2909/ .