Date: Fri, 9 Mar 2012 13:31:19 -0500 From: Jung-uk Kim <jkim@FreeBSD.org> To: freebsd-current@FreeBSD.org Cc: Dimitry Andric <dim@freebsd.org>, Jia-Shiun Li <jiashiun@gmail.com> Subject: Re: boot2 overflow when building with clang Message-ID: <201203091331.22124.jkim@FreeBSD.org> In-Reply-To: <4F594BF4.9060802@FreeBSD.org> References: <CAHNYxxM%2BJSVZZG9KGRa%2BVAEj2yzkHTFv%2BtBZioXJ9G-3L2vUUQ@mail.gmail.com> <4F594BF4.9060802@FreeBSD.org>
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On Thursday 08 March 2012 07:16 pm, Dimitry Andric wrote: > On 2012-03-07 05:51, Jia-Shiun Li wrote: > > I am not familiar with boot2, but it looks like allocated size > > for boot2 is not enough to hold code generated by clang. > > Reverting r232570 fixes it. > > Please test the attached diff. Since it modifies bsd.sys.mk, > either run "make install" in share/mk, or use "make buildenv" > before rebuilding sys/boot/i386/boot2. > > It would also be nice if you could test the actual installation of > the bootstrap, and its proper operation. However, be sure to have > some way of recovering the first 16 sectors of your disk before you > do so. :) As jhb pointed out, it does not work because BSS for boot2 is not automatically cleared. I fixed this in my branch: http://svn.freebsd.org/changeset/base/232736 http://svn.freebsd.org/changeset/base/232737 Jung-uk Kim
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