From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andreas Schwab Subject: Re: compile error on latest git m68k kernel Date: Wed, 10 Nov 2010 12:03:19 +0100 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mail-out.m-online.net ([212.18.0.9]:52718 "EHLO mail-out.m-online.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754258Ab0KJLDV (ORCPT ); Wed, 10 Nov 2010 06:03:21 -0500 In-Reply-To: (Geert Uytterhoeven's message of "Wed, 10 Nov 2010 11:34:47 +0100") Sender: linux-m68k-owner@vger.kernel.org List-Id: linux-m68k@vger.kernel.org To: Geert Uytterhoeven Cc: Michael Schmitz , Linux/m68k Geert Uytterhoeven writes: > On Wed, Nov 10, 2010 at 11:02, Andreas Schwab wrote: >> Geert Uytterhoeven writes: >>> On Wed, Nov 10, 2010 at 08:08, Michael Schmitz >>> wrote: >>>> seen this before? >>> >>> Not this particular one... >>> >>>> LD .tmp_vmlinux1 >>>> fs/built-in.o: In function `alignfile': >>>> binfmt_elf.c:(.text+0x307bc): undefined reference to `__divdi3' >>>> fs/built-in.o: In function `elf_core_dump': >>>> binfmt_elf.c:(.text+0x3139c): undefined reference to `__divdi3' >>>> make: *** [.tmp_vmlinux1] Error 1 >> >> Where is that called? The right fix in most cases is to use do_div from >> . > > alignfile: roundup(*foffset, 4) > elf_core_dump: roundup(offset, ELF_EXEC_PAGESIZE) > (assumed it's caused by the roundup() calls, assembly output?) > > Both are divisions by a power-of-two, but the dividend is a (signed!) long long. I cannot reproduce that. Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different."