From owner-freebsd-mips@freebsd.org Thu Aug 18 02:29:10 2016 Return-Path: Delivered-To: freebsd-mips@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 338C9BBE7B8 for ; Thu, 18 Aug 2016 02:29:10 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-io0-x241.google.com (mail-io0-x241.google.com [IPv6:2607:f8b0:4001:c06::241]) (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 EF6921F21 for ; Thu, 18 Aug 2016 02:29:09 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: by mail-io0-x241.google.com with SMTP id q83so1414265iod.2 for ; Wed, 17 Aug 2016 19:29:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to; bh=gcri/Ha9SORmWy7Di9m+SJuhzId92D8hsjMnlGZ9eMs=; b=RuXxmNnVo6pXUr7zNIcnrsvOY72pjg3DUREwAvzNTUXw8D+cB6qTLRNYS8TBeH+xYj Ybznj+mROTtGMIUwpr1HjTrOqLdvhQMBWvDeFg9S5W5TByxtHgmENAN13r4x3OLVljR5 RpsMmW/3+wOBpfZdy2szy6Rt9bWAtVST3i/1g6IBtgSC16m3vdH1sJQnwfgt4ExYEtDp eieN+DKq9kcsCddC2kXbzJQBvl7h+W0f8lx9b6CBTixF59GIyw7uPAqZq26/+7U5b32C yefrts45vCApoEi1p8NywXBJZ+NlE76gBiQ9WKyJQDwHXenM6Na1cs18xqzHNoSEk8bx 3bwA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:sender:in-reply-to:references:from :date:message-id:subject:to; bh=gcri/Ha9SORmWy7Di9m+SJuhzId92D8hsjMnlGZ9eMs=; b=CTr2p+z/hny1NyKK3TZcllAA7XxKhjvDfjxrmYOmObJ/oy9jaPXJMTkV3YwoLW4OAV Iqrjg9mVf/lPmdCen88Ig4GbOb4+BwD3E+plPRM/0Vc+xw153F/WwFGHeoH8naaRo5J0 LDrZWk5XyBYlhOUZ3UiUQJIbZ1gINrhUhpO10O25HM7ySMytdjyW5SQE6LRv8nM+DeA3 3FbfbBGTDTyTZlnlLa8uidsw3tUZEGEK2cRnOank9PiHQs1N2wB7RhLG6OPSnlm896ag bGCqbe0zHr9iR1cNqQ3kN5Do7SiJie+pbzADgVEN5l/rkcrU3RD8U6i8zJQrN+k6DZ5o 8Tlw== X-Gm-Message-State: AEkoousnTLYr6dcCOO9HRKlt5L22au2qsUDRaFmwGpbbP9jRRJELGWRq9Qn3XUs4cDs89KCAHTyK9+9MiruR9Q== X-Received: by 10.107.53.163 with SMTP id k35mr374193ioo.75.1471487349115; Wed, 17 Aug 2016 19:29:09 -0700 (PDT) MIME-Version: 1.0 Sender: adrian.chadd@gmail.com Received: by 10.36.141.129 with HTTP; Wed, 17 Aug 2016 19:29:08 -0700 (PDT) In-Reply-To: References: From: Adrian Chadd Date: Wed, 17 Aug 2016 19:29:08 -0700 X-Google-Sender-Auth: 7-q4rhds9YMZ6cCbVCdcu1GpiVU Message-ID: Subject: Re: kernel using gcc-5.3 fails to boot right To: "freebsd-mips@freebsd.org" Content-Type: text/plain; charset=UTF-8 X-BeenThere: freebsd-mips@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Porting FreeBSD to MIPS List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 18 Aug 2016 02:29:10 -0000 thanks to warner, I went looking at relocation tables. It stems from how we're doing LO16/HI16 - we expect HI first, then LO - then we update where_hi16. This .. doesn't work in the new world. eg: 0000bf9c R_MIPS_HI16 ctl3_lock 0000bfa0 R_MIPS_LO16 ctl3_lock 0000bfa8 R_MIPS_HI16 M_IPFW 0000bfac R_MIPS_LO16 M_IPFW 0000bfb8 R_MIPS_LO16 .bss 0000bfa4 R_MIPS_HI16 __mtx_unlock_flags 0000bfcc R_MIPS_LO16 __mtx_unlock_flags -adrian